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  • 1.
    Vinogradova, Olena
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Gaillard, Marie-José
    Linnaeus University, Sweden.
    Andrén, Elinor
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Palm, Veronica
    Södertörns högskola, Institutionen för historia och samtidsstudier, MARIS (Marinarkeologiska forskningsinstitutet).
    Rönnby, Johan
    Södertörns högskola, Institutionen för historia och samtidsstudier, MARIS (Marinarkeologiska forskningsinstitutet). Södertörns högskola, Institutionen för historia och samtidsstudier, Arkeologi.
    Dahl, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Almgren, Elisabeth
    Uppsala University, Sweden.
    Karlsson, Jon
    Umeå University, Sweden.
    Nielsen, Anne Birgitte
    Lund University, Sweden.
    Åkesson, Christine
    Lund University, Sweden; St Andrews University, UK.
    Andrén, Thomas
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    3000 Years of past regional and local land-use and land-cover change in the southeastern Swedish coastal area: Early human-induced increases in landscape openness as a potential nutrient source to the Baltic Sea coastal waters2024Ingår i: The Holocene, ISSN 0959-6836, E-ISSN 1477-0911, Vol. 34, nr 1, s. 56-73Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Reconstructions of past land use and related land-cover changes at local and regional scales are needed to evaluate the potential long-term impacts of land use on the coastal waters of the Baltic Sea. In this purpose, we selected the Gamleby area at the Swedish Baltic Sea coast for a case study. We use a new, high resolution pollen record from a small lake (Lillsjön) located 3.6 km NNW of the bay Gamlebyviken and detailed analysis of the available archeological data to reconstruct local land-use changes over the last 3000 years. To estimate land-cover change at local (2–3 km radius area) and regional (50 km radius area) scales we use four additional, published pollen records from two small and two large lakes (25–70 km S of Lillsjön) and the Landscape Reconstruction Algorithm, a pollen-vegetation modeling scheme. Results show that regional and local (small lakes Lillsjön and Hyttegöl) land-cover changes are comparable over the last 1500 years (Late Iron Age to present), and that landscape openness was much larger locally than regionally (difference of 20–40% cover over the last 500 years). The periods of largest potential impacts on the Gamlebyviken Bay from regional and local land use are 200–950 CE (Late Iron Age) and 1450 CE to present, and of lowest potential impacts 950–1450 CE. The question on whether the large landscape openness 1150–50 BCE and significant afforestation 50 BCE–200 CE reconstructed for Lillsjön’s area are characteristic of the Gamlebyviken region will require additional pollen records in the catchment area. 

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  • 2.
    Dahl, Martin
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Bernabeu, I.
    Consejo Superior de Investigaciones Científicas (CEAB‐CSIC), Spain.
    Serrano, O.
    Consejo Superior de Investigaciones Científicas (CEAB‐CSIC),Spain, Edith Cowan University, Australia.
    Leiva-Dueñas, C.
    Aarhus University, Denmark.
    Linderholm, H. W.
    University of Gothenburg, Sweden.
    Asplund, M. E.
    University of Gothenburg, Sweden.
    Björk, M.
    Stockholm University, Sweden.
    Ou, T.
    University of Gothenburg, Sweden.
    Svensson, J. R.
    University of Gothenburg, Sweden.
    Andrén, Elinor
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Andrén, Thomas
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Bergman, S.
    UiT—The Arctic University of Norway, Norway.
    Braun, Sara
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Eklöf, A.
    Stockholm University, Sweden.
    Ežerinskis, Z.
    Center for Physical Sciences and Technology, Lithuania.
    Garbaras, A.
    Center for Physical Sciences and Technology, Lithuania.
    Hällberg, P.
    Stockholm University, Sweden.
    Löfgren, E.
    Stockholm University, Sweden.
    Kylander, M. E.
    Stockholm University, Sweden.
    Masqué, P.
    Edith Cowan University, Australia, PrincipalityofMonaco,Monaco.
    Šapolaitė, J.
    Center for Physical Sciences and Technology, Lithuania.
    Smittenberg, R.
    Stockholm University, Sweden, Principality of Monaco, Monaco.
    Mateo, M. A.
    Consejo Superior de Investigaciones Científicas (CEAB‐CSIC), Spain, Edith Cowan University, Australia.
    A 2,000-Year Record of Eelgrass (Zostera marina L.): Colonization Shows Substantial Gains in Blue Carbon Storage and Nutrient Retention2024Ingår i: Global Biogeochemical Cycles, ISSN 0886-6236, E-ISSN 1944-9224, Vol. 38, nr 3, artikel-id e2023GB008039Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Assessing historical environmental conditions linked to habitat colonization is important for understanding long-term resilience and improving conservation and restoration efforts. Such information is lacking for the seagrass Zostera marina, an important foundation species across cold-temperate coastal areas of the Northern Hemisphere. Here, we reconstructed environmental conditions during the last 14,000 years from sediment cores in two eelgrass (Z. marina) meadows along the Swedish west coast, with the main aims to identify the time frame of seagrass colonization and describe subsequent biogeochemical changes following establishment. Based on vegetation proxies (lipid biomarkers), eelgrass colonization occurred about 2,000 years ago after geomorphological changes that resulted in a shallow, sheltered environment favoring seagrass growth. Seagrass establishment led to up to 20- and 24-fold increases in sedimentary carbon and nitrogen accumulation rates, respectively. This demonstrates the capacity of seagrasses as efficient ecosystem engineers and their role in global change mitigation and adaptation through CO2 removal, and nutrient and sediment retention. By combining regional climate projections and landscape models, we assessed potential climate change effects on seagrass growth, productivity and distribution until 2100. These predictions showed that seagrass meadows are mostly at risk from increased sedimentation and hydrodynamic changes, while the impact from sea level rise alone might be of less importance in the studied area. This study showcases the positive feedback between seagrass colonization and environmental conditions, which holds promise for successful conservation and restoration efforts aimed at supporting climate change mitigation and adaptation, and the provision of several other crucial ecosystem services. © 2024. The Authors.

  • 3.
    Buijs, Arjen E.
    et al.
    Wageningen University, Netherlands; Wageningen University and Research Centre, Netherlands.
    Gulsrud, Natalie M.
    University of Copenhagen, Denmark.
    Rodela, Romina
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Wageningen University and Research Centre, Netherlands.
    Diduck, Alan P.
    The University of Winnipeg, Canada.
    van der Jagt, Alexander P. N.
    Wageningen University, Netherlands; Heriot-Watt University, United Kingdom.
    Raymond, Christopher M.
    University of Helsinki, Finland.
    Advancing environmental justice in cities through the Mosaic Governance of nature-based solutions2024Ingår i: Cities, ISSN 0264-2751, E-ISSN 1873-6084, Vol. 147, artikel-id 104799Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Nature-based solutions (NBS) are championed for providing co-benefits to cities and residents, yet their environmental justice impacts are increasingly debated. In this paper, we explore whether and how hybrid governance approaches, such as Mosaic Governance, may contribute to just transformations and sustainable cities through fostering long-term collaborations between local governments, local communities, and grassroots initiatives. Based on case studies in three major European cities, we propose and then exemplify six possible pathways to increase environmental justice: greening the neighborhood, diversifying values and practices, empowering people, bridging across communities, linking to institutions, and scaling of inclusive discourses and practices. Despite the diversity of environmental justice outcomes across cases, our results consistently show that Mosaic Governance particularly contributes to recognition justice through diversifying NBS practices in alignment with community values and aspirations. The results demonstrate the importance of a wider framing of justice in the development of NBS, sensitive to social, cultural, economic and political inequities as well understanding potential pathways to enhance not only environmental justice, but also social justice at large. Especially in marginalised communities, Mosaic Governance holds much potential to advance social justice by enabling empowering, bridging, and linking pathways across diverse communities and NBS practices.

  • 4.
    Bjärstig, Therese
    et al.
    Department of Political Science Umeå University, Sweden.
    Johansson, Johanna
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Mancheva, Irina
    Department of Political Science, Umeå University, Sweden.
    Sandström, Camilla
    Department of Political Science, Umeå University, Sweden.
    Collaboration as a policy instrument in public administration: Evidence from forest policy and governance2024Ingår i: Environmental Policy and Governance, ISSN 1756-932X, E-ISSN 1756-9338Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    In recent decades, collaboration has become a common policy instrument in public administration, both internationally and in Sweden. Inspired by scholarly literature on collaborative governance, the aim of this study is to analyze the crucial role of public administration in the design and implementation of collaborative governance. Drawing on several years of research on Swedish forest policy and governance, our work is based on extensive empirical material, including 88 semi-structured interviews, observations, written comments from open public consultations and actors, enacted policy documents, open public hearings and a survey. Our results confirm that factors related to process design strongly affect the outputs and outcomes of collaboration in public administration. We assert that public officials should meticulously design and adapt the collaborative process during its initiation and progress, according to the policy problem and actors' incentives and motivations to participate. However, despite good intentions by public officials, the overarching priorities and contextual factors governing the policy area must be set by elected decision makers at an early stage to establish democratic accountability and high levels of policy legitimacy and acceptance. A major implication for public administration is that the increasing use of collaborative governance may be highly inefficient if it is difficult for participants to draft shared objectives and provide intended outputs because of low levels of trust, and different interpretations of knowledge and norms. Finally, in contentious policy areas, such as forest policy, political priorities must sometimes be set by elected decision makers rather than through collaborative processes.

  • 5.
    Porsani, Juliana
    et al.
    Linköping University, Sweden.
    Lalander, Rickard
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Lehtilä, Kari
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Lima Costa, Suzane
    UFBA - Federal University of Bahia, Brazil.
    da Conceição Carvalho, Jocimar
    IFBA – Federal Insitute of Education, Science, and Technology of Bahia, Brazil.
    Expressing and enacting decoloniality through indigenous tourism: Experiences from the Pataxó Jaqueira Reserve in Brazil2024Ingår i: Social Sciences and Humanities Open, ISSN 2590-2911, Vol. 9, artikel-id 100859Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This study analyses the narratives expressed by the Pataxó indigenous people of Brazil within their indigenous tourism project, the “Jaqueira Reserve”. Our findings show that the indigenous people's role as protagonists in this setting foregrounds their voices, allowing them to retell and reposition themselves in history and to re-envision the future by presenting different ways of thinking and being. We contend that this Pataxó experience illustrates how decolonial endeavours are being crafted on an everyday basis in ways that strengthen indigenous cultural and environmental rights. Accordingly, we conclude that indigenous tourism has a transformational potential in the sense that it can counter the colonialization of mind and ideas and coloniality's violent oppression/exploitation of culture and nature. 

  • 6.
    Saunders, Fred
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Tafon, Ralph
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Knol-Kauffman, Maaike
    University of Tromsø, Norway.
    Selim, Samiya Ahmed
    Leibniz Centre for Tropical Marine Research (ZMT), Germany; University of Liberal Arts Bangladesh (ULAB), Bangladesh.
    Introductory commentary: Marine conflicts and pathways to sustainability in an era of Blue Growth and climate change2024Ingår i: Maritime Studies, ISSN 1872-7859, E-ISSN 2212-9790, Vol. 23, nr 1, artikel-id 3Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Worldwide, marine conflicts are growing in frequency and intensity due to increasing global demands for resources (Blue Growth) and climate change. This article introduces a collection in Maritime Studies on marine conflicts and pathways to sustainability in an era of Blue Growth and climate change. We posit that while conflict can be problematic, it can also play a positive role in bringing about societal change, by highlighting unsustainable and unjust practices and be a trigger for sustainability transformation. However, left unattended, festering marine conflict can hinder just and equitable sustainability transformation. We present two distinct, yet arguably complementary, lenses through which researchers working with sustainability engage with marine conflicts. First, a social-ecological systems approach engages in conflicts by examining the interdependencies between human and ecological systems and related governance arrangements, promoting collaborative learning and action, and exploring adaptive governance strategies that seek sustainability conflict resolution. Second, a political ecology approach addresses conflicts by examining power dynamics and resource (mal)distributions, arguing for fair governance, and emphasizing the need to address historical and current injustices that are at the root of conflicts. Next, we present insights on diverse sustainability transformational pathways, including the importance of searching for common ground and the need for the reconfiguration of power relations as key steps to understand and inform sustainability conflict research. We conclude by indicating that more sustainability research in marine conflict settings is needed and by forwarding intersectionality as a promising approach to productively reframe and disrupt the debilitating effects of deep-rooted marine sustainability conflicts. 

  • 7.
    Löfroth, Therese
    et al.
    Swedish University of Agricultural Sciences, Sweden.
    Merinero, Sonia
    Universidad Rey Juan Carlos, Spain.
    Johansson, Johanna
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Nordström, Eva-Maria
    Swedish University of Agricultural Sciences, Sweden.
    Sahlström, Emma
    Swedish University of Agricultural Sciences, Sweden.
    Sjögren, Jörgen
    Swedish University of Agricultural Sciences, Sweden.
    Ranius, Thomas
    Swedish University of Agricultural Sciences, Sweden.
    Land-sparing benefits biodiversity while land-sharing benefits ecosystem services: Stakeholders’ perspectives on biodiversity conservation strategies in boreal forests2024Ingår i: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 53, nr 1, s. 20-33Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Biodiversity conservation and economic profit from forests can be combined by various land-sparing and land-sharing approaches. Using a semi-structured survey, we evaluated support for scenarios representing contrasting conservation strategies in a managed boreal forest landscape. Land-sparing approaches were supported by the conservation organisation, regional administrations and the forest company, mainly motivated by the benefit for biodiversity based on ecological theory. Land-sharing approaches were supported by one recreational organisation, some municipalities and the forest owners’ association, mainly motivated by the delivery of ecosystem services. Stakeholder groups using certain ecosystem services had motivations that we related to an anthropocentric mindset, while others focused more on species conservation, which can be related both to an anthropocentric or an ecocentric mindsets. Forest conservation planning should consider stakeholders’ preferences to handle land-use conflicts. Since reaching consensus among multiple stakeholders seems unfeasible, a combination of land-sparing and land-sharing approaches is probably the best compromise.

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  • 8.
    Kumblad, Linda
    et al.
    Stockholm University, Sweden.
    Petersson, Mona
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Aronsson, Helena
    Swedish University of Agricultural Sciences, Sweden.
    Dinnétz, Patrik
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Norberg, Lisbet
    Swedish University of Agricultural Sciences, Sweden.
    Winqvist, Camilla
    Rejlers Sverige AB, Sweden.
    Rydin, Emil
    Stockholm University, Sweden.
    Hammer, Monica
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Managing multi-functional peri-urban landscapes: Impacts of horse-keeping on water quality2024Ingår i: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 53, s. 452-469Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Eutrophication assessments in water management to quantify nutrient loads and identify mitigating measures seldom include the contribution from horse facilities. This may be due to lack of appropriate methods, limited resources, or the belief that the impact from horses is insignificant. However, the recreational horse sector is growing, predominantly in multi-functional peri-urban landscapes. We applied an ecosystem management approach to quantify nutrient loads from horse facilities in the Stockholm Region, Sweden. We found that horses increased the total loads with 30-40% P and 20-45% N, with average area-specific loads of 1.2 kg P and 7.6 kg N ha-1 year-1. Identified local risk factors included manure management practices, trampling severity, soil condition and closeness to water. Comparisons of assessment methods showed that literature standard values of area-specific loads and water runoff may be sufficient at the catchment level, but in small and more complex catchments, measurements and local knowledge are needed.

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  • 9.
    Porseryd, Tove
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. The Swedish Society for Nature Conservation, Sweden.
    Volkova Hellström, Kristina
    The Swedish Society for Nature Conservation, Sweden.
    Dinnétz, Patrik
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Pesticide residues in ornamental plants marketed as bee friendly: Levels in flowers, leaves, roots and soil2024Ingår i: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 345, artikel-id 123466Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Ornamental plants rich in pollen and nectar are often marketed as “pollinator-friendly” by flower retailers. However, even though the plants are attractive from a foraging perspective, i.e pollen and nectar rich, bees and other pollinating insects could be at risk from exposure of pesticide residues on the plants or from pesticide used during production. Pesticides used in ornamental plant production could lead to environmental emissions both during cultivation, at retailer displays and when planted in gardens by the consumers. This study aims to investigate what pesticides that are used in the production of perennial ornamental plants sold in Sweden and if the residues could pose a risk for wild pollinators. We analyze an array of 536 pesticides in whole flowers, leaves, roots and soil of 54 individual (46 had flowers) perennial plants specifically marketed as “bee friendly”. In addition, seeds from 65 seed bags were analyzed for the same pesticides. Our result show for the first time the distribution of pesticide residues between flowers, leaves, roots and soils of ornamental plants. We also show that all ornamental plants analyzed contained at least one pesticide, and that some samples contained up to 19 different substances.

  • 10.
    Gallardo Fernández, Gloria L.
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Avila, Marcela
    Universidad Arturo Prat, Chile; , Universidad de Magallanes, Chile.
    Saunders, Fred
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Riquelme, Ricardo
    Universidad Arturo Prat, Chile.
    Rodriguez, Daniel
    Universidad Arturo Prat, Chile.
    Aroca, Gesica
    Universidad Arturo Prat, Chile.
    Gutierrez, Juan
    Universidad Arturo Prat, Chile.
    Prospects of equitable and sustainable seaweed aquaculture: a case study of changing gender and socio-economic relations in Maullín, Chile2024Ingår i: Maritime Studies, ISSN 1872-7859, E-ISSN 2212-9790, Vol. 23, nr 1, artikel-id 7Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This article examines the development of marine tenure in the Maullín River, Chile. It starts with the emergence of artisanal red algae (Gracilaria chilensis) gathering and the changes resulting from the governmental ad hoc allocation of small-scale aquaculture concessions. We aim to track this transition, its drivers, effects on the work organization, gender relations, market relations and the sustainability/equity challenges currently confronting the community. We use a feminist political ecology approach to direct our multi-method data collection strategy and to analyse the empirical material. The State by enabling local tenure for the development of marine aquaculture concessions played an influential role in Maullín community attaining de facto territorial tenure. This led to the establishment of residential aquaculture communities while facilitating the integration of women in aquaculture activities. We see both steps as positive economic and social development opportunities in Maullín. While marine tenure has provided livelihood chances, low prices caused by the producers’ disadvantaged market position and the lack of supportive alliance building pose ongoing problems. We conclude that these factors are serious challenges to the sustainability of aquacultural livelihoods at Maullín River. While the case depicts aspects of women’s empowerment such as their engagement in developing potential post-production innovation ideas, entrepreneurial abilities to conduct market transactions as well as their better competence in literacy, math and financial expertise, there is still a long way to reach gender equality in the male-dominated aquacultural sector. © 2024, The Author(s).

  • 11.
    Tarasova, Ekaterina
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Rethinking justice as recognition in energy transitions and planned coal phase-out in Poland2024Ingår i: Energy Research & Social Science, ISSN 2214-6296, E-ISSN 2214-6326, Vol. 112, artikel-id 103507Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The implications of energy transitions extend beyond the often-discussed effects on jobs and retraining opportunities for workers in the carbon-intensive industries. This paper argues that the concept of justice as recognition has an untapped potential for exploring diverse types of injustices that have not received sufficient attention so far. This paper contributes to the critical discussion of the concept of recognition-based energy justice by considering recognition theory by Fraser, which has become an established approach in energy justice literature, and other recognition theories, which have already been discussed in environmental justice literature, in the context of energy transitions. Five conceptions of recognition are distinguished: the understanding of recognition as (a) equal standing without cultural domination, disrespect, and non-recognition; (b) deeper inclusion (inclusive narratives, rhetoric and greetings); (c) respect for identity and culture; (d) self-esteem; and (e) the absence of violence. The conceptual discussion is followed by an empirical analysis of recognition-based justice in the case of the planned coal phase-out in Poland. Building on semi-structured interviews with stakeholders and diverse texts, the analysis demonstrates that in the case of the planned coal phase-out in Poland, three aspects of recognition may be particularly relevant – non-recognition in energy transitions, the self-esteem of local communities, and respect for culture and identity. The paper then argues that a pluralist approach to studies of recognition in energy transitions based on awareness about socio-cultural contexts of studied cases is necessary.

  • 12.
    Janzén, Thérese
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Södertörns högskola, Centrum för Östersjö- och Östeuropaforskning (CBEES), Baltic & East European Graduate School (BEEGS).
    Ticks - ecology, new hazards, and relevance for public health2024Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [sv]

    Fästingar är näst efter myggor de viktigaste vektorerna för spridning av sjukdomar både till människor och husdjur. I länderna runt Östersjön finns två medicinskt viktiga fästingarter som ökar i utbredning och antal, vilket också utgör ett ökat hot mot folkhälsan. Syftet med avhandlingen var att studera eko-epidemiologisk dynamik och viktiga mekanismer för spridningen av fästingar och fästingburna bakterier i en urban gradient.

    Grönområden i och runt städer utgör mötesplatser för människor, husdjur, fästingar och fästingburna patogener. I Stockholms län undersöktes effekterna av grönområdenas egenskaper på förekomst av fästingar och deras patogener utefter den urbana gradienten. Alla insamlade fästingar artbestämdes med molekylära metoder, och samtliga tillhörde arten Ixodes ricinus. Fästingar var vanliga i rurala områden och naturliga miljöer, men förekom även i urbana parker. Viktiga faktorer för förekomst av fästingar var den signifikant negativa effekten av vegetationshöjd vid insamlingsplatsen, och den signifikant positiva effekten av barrblandskog i det omgivande landskapet.

    I studien av patogener var prevalensen av Borrelia burgdorferi sensu lato 24% och för Anaplasma phagocytophilum 7.5%. Fästingar infekterade med B. miyamotoi påträffades vid några få platser med en prevalens på 0.9%. Den dominerande arten inom gruppen av B. burgdorfgeri (s.l.) var B. afzelii. Trädtäthet runt insamlingsplatsen hade en signifikant positiv effekt på prevalensen av B. burgdorferi (s.l.). Utbredningen av lövskogar och skogskanter hade signifikant positiva effekter på prevalensen av A. phagocytophilum, och fästingar infekterade med A. phagocytophilum förekom även i urbana parker. Den fästingburna sjukdomen granulocytär anaplasmos hos häst, ökade signifikant från 2002 till 2015, med flest fall på sensommar och tidig höst.

    Folkhälsorisker för fästingburna sjukdomar i ett urbant grönområde uppskattades med hjälp av information om fästingförekomst, patogenprevalens, befolkningstäthet och besöksantal. Resultatet visade en måttlig till hög risk för fästingburna sjukdomar i hela det undersökta grönområdet. Vid intervjuer med besökare påvisades en hög medvetenhet om fästingar och fästingspridda sjukdomar, men att skyddsåtgärder endast tillämpades vid specifika fritidsaktiviteter såsom bärplockning.

    Resultatet från avhandlingen visar på en betydande risk för spridning av fästingburna sjukdomar längs med hela den urbana gradienten, inklusive områden som traditionellt ansetts ha en låg risk. Resultaten som visar på eko-epidemiologiska mekanismer för spridning av granulocytär anaplasmos hos häst är relevanta också ur ett folkhälsoperspektiv eftersom bakterierna orsakar sjukdom även hos människor. Trots risker med fästingar och deras sjukdomar är grönområden ytterst viktiga för folkhälsan utifrån andra hälsoaspekter, men det behövs initiativ och medvetenhet för att motverka riskerna.

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    Ticks: ecology, new hazards and relevance for public health
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  • 13.
    Janzén, Therese
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Södertörns högskola, Centrum för Östersjö- och Östeuropaforskning (CBEES), Baltic & East European Graduate School (BEEGS).
    Choudhury, Firoza
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Hammer, Monica
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Petersson, Mona
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Dinnétz, Patrik
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Ticks: public health risks in urban green spaces2024Ingår i: BMC Public Health, E-ISSN 1471-2458, Vol. 24, nr 1, artikel-id 1031Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Urban green spaces are important for human health, but they may expose visitors to tick-borne diseases. This not only presents a potential public health challenge but also undermines the expected public health gains from urban green spaces. The aim of this study is to assess the public health risk of tick-borne diseases in an urban green space used for recreation in Stockholm, Sweden.

    Methods: We used a mixed method approach identifying both the magnitude of the tick hazard and the extent of the human exposure to tick-borne diseases. At six entry points to an urban green space, we sampled ticks and documented microhabitat conditions from five randomly assigned 2 m × 2 m plots. Surrounding habitat data was analyzed using geographical information system (GIS). Nymphs and adult ticks were tested for Borrelia burgdorferi sensu lato and Anaplasma phagocytophilum using TaqMan qPCR. Positive B. burgdorferi (s.l.) ticks were further analyzed by nested PCR amplification and sequence analysis. Population census data and visitor count data were used to estimate the degree of human exposure to tick-borne diseases. To further understand the degree to which visitors get in contact with infected ticks we also conducted interviews with visitors to green spaces.

    Results: High tick densities were commonly found in humid broadleaved forest with low field vegetation. High pathogen prevalence was significantly correlated with increasing proportions of artificial areas. Integrating the tick hazard with human exposure we found that the public health risk of tick-borne diseases was moderate to high at most of the studied entry points. Many of the visitors frequently used urban green spaces. Walking was the most common activity, but visitors also engaged in activities with higher risk for tick encounters. Individual protective measures were connected to specific recreational activities such as picking berries or mushrooms.

    Conclusions: The number of visitors can be combined with tick inventory data and molecular analyses of pathogen prevalence to make crude estimations of the public health risk of tick-borne diseases in urban green spaces. The risk of encountering infected ticks is omnipresent during recreational activities in urban green spaces, highlighting the need for public health campaigns to reduce the risk of tick-borne diseases.

  • 14.
    Rodela, Romina
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Dominguez, Daniela
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik.
    An Outlook into Activism by Mothers,Fathers, and others for More Sustainable Living Environments2023Rapport (Övrigt vetenskapligt)
    Abstract [en]

    Social movements are known to be a driving force of change processes. Scholars long had an interest in how social movements form, develop and fade out, and how such activism is shaping public discourse and policy change at different levels. Also, there has been growing interest in studying what motivates people to engage in activism and what they get activated about. Of special interest is the last wave of mothering activism – understood to be activism undertaken by mothers who mobilise and become active in groups and movements made of other mothers seeking change in the context of environmental equity and climate justice (Sengupta, 2022). Overall, mothering activism emphasizes the interconnectedness of personal and social change, the importance of addressing the needs and experiences of families and communities, and it puts forward care as a fundamental pillar and cornerstone for a better society.The latter is of a special interest to research that seeks to advance understanding of how an ethics of care could inform more contemporary governance models. Thus,we are interested to learn more about how mothering activism might be challenging models and ideas of care,and how it might be contributing at pushing and redefining care in the context of inter- and intra- generational equity. To the best of our knowledge no study of this specific aspect is currently available. With the ambition to fill this gap we undertook an inventory of mothering activism at a global scale. In this report we introduce the database developed in that process and summarise some first trends we observed emerging from that preliminary investigation.

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  • 15.
    Rodela, Romina
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Stuber, Adam B.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik.
    An Overview of Youth-led Legal Mobilization Cases in Response to the Environmental Crisis: Stockholm 22 June 20232023Rapport (Övrigt vetenskapligt)
    Abstract [en]

    Over recent years youth has emerged as an influential voice on the topic of climate change, raising the alarm about climate change-related risks and calling for policy action. Youth have been active and mobilising across squares and streets from where they called upon those in power to act on their duties to protect citizens from environmental harm and to secure a sustainable future. In addition to street protest, youth of different ages, including children, have been turning to courts to sue national governments for non compliance with national and/or international law, or conventions. Youth-led litigation appears to be emerging as a significant tool for promoting the representation and inclusion of young people’s voices in contemporary decision-making processes. In this report, we present the outcomes of a project activity where we sought to map and compile informationon litigation cases. The result of this activity is a descriptive database summarizing the status of youth-led litigation cases as of April 2023. In this document,we provide a summary of that information and highlight a few observed trends, which can serve as a resource for those interested in studying youth-led mobilization and its governance outcomes for a more sustainable future.

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    An Overview of Youth-led Legal Mobilization Cases in Response to the Environmental Crisis
  • 16.
    Tafon, Ralph Voma
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Saunders, Fred
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Zaucha, Jacek
    University of Gdansk, Sopot, Poland.
    Matczak, Magdalena
    Spatial Policy Unit, Poland.
    Stalmokaitė, Ignė
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Gilek, Michael
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Turski, Jakub
    Spatial Policy Unit, Gdansk, Poland.
    Blue justice through and beyond equity and participation: a critical reading of capability-based recognitional justice in Poland’s marine spatial planning2023Ingår i: Journal of Environmental Planning and Management, ISSN 0964-0568, E-ISSN 1360-0559, s. 1-23Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    While blue justice has gained traction, recognition and capability, which are necessary conditions for procedural and distributive justice, remain under-developed. We develop a four-dimensional blue justice framework that builds on recognition and capabilities to critically examine and advance justice in Poland’s marine spatial planning (MSP). We find that misrecognition of differential identities and capacities scripted powerless stakeholders out of participation and reduced possibilities for fair distribution. Conversely, MSP regulation augmented the rights of powerful actors through granting de jure “objecting” rights to some, inviting only strategic sectors to agenda-setting fora and, limiting MSP communication to meeting legal requirements. Several stakeholders also see defence and wind energy as key winners of MSP. While society will benefit from national security and energy sufficiency, especially given Russia’s increased weaponization of energy, many believe that financial profits from wind energy will accrue to developers. We offer governmental and planning measures to enhance capabilities. 

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    fulltext
  • 17.
    Fortes, Bartira
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Porsani, Juliana
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Lalander, Rickard
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Contesting Extractivism through Amazonian Indigenous Artivism: Decolonial reflections on possibilities for crafting a pluriverse from within2023Ingår i: Alternautas, ISSN 2057-4924, Vol. 10, nr 1, s. 155-190Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This article provides an analysis of Amazonian Indigenous peoples’ “artivism” – understood as artistic expressions with activist orientation. It approaches artivism within the context of the emergence of Contemporary Indigenous Art in Brazil and its significance in the resistance against the centuries-long oppression of native peoples, illustrated by the advancement of extractivism in the Amazon. We focus on the artworks by four prominent Indigenous artivists: Jaider Esbell’s critical engagements with art history; Denilson Baniwa’s reanthropophagy movement; Daiara Tukano’s critique of articide; and Emerson Pontes’ transformation into Uýra, the Walking Tree. Altogether, the messages embedded in their artworks contest the dominant growth-oriented development narrative anchored on the pre-eminence of the human-nature ontological dualism, where Nature is reduced to economic resource, along with a view of development that positions western ways of knowing, being and living at the forefront of a civilizational continuum. We conclude by elucidating the central decolonizing role of Indigenous artivism and its potential to strengthen Indigenous’ voices and agendas which include exercising self-determination, resisting extractivism, and crafting more plural and just worlds.

  • 18.
    Sokolova, Tatiana
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Co-producing ‘The Future(s) We Want’: How does political imagination translate into democratised knowledge-action models for sustainability transformations?2023Ingår i: Environmental Science and Policy, ISSN 1462-9011, E-ISSN 1873-6416, Vol. 144, s. 162-173Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Democratic societies face the challenge of effecting sustainability transformations, allowing for variously imagined futures and underpinned by a diversity of practices of knowledge production and action. This article investigates how political imagination of sustainable futures informs the ways knowledge and action are understood and linked in sustainability and research policy, and what potential implications this has for democratic transformative change. Empirically, the article analyses the overarching sustainability and research policies in Sweden, focusing on the central documents produced by the government and public research financiers. The analysis shows parallels between the conceptualisations of sustainability and knowledge-action, characterised by linearity, instrumentalisation of knowledge and circumscription of power-sharing spaces for knowledge creation against the background of endorsement of collaborations between academia and society. Such conceptualisations, apart from sending mixed signals to sustainability researchers and practitioners, potentially enable knowledge and action processes driven by impact, competitiveness and atomisation, precluding the exercise of the intrinsic value of democratic knowledge and action practices necessary for reflexive governance of transformations towards sustainability.

  • 19.
    Olsén, K. Håkan
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Bonow, Madeleine
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Crucian carp (Carassius carassius (L.)), an anonymous fish with great skills2023Ingår i: Ichthyological Research, ISSN 1341-8998, E-ISSN 1616-3915, Vol. 70, s. 313-331Artikel, forskningsöversikt (Refereegranskat)
    Abstract [en]

    The crucian carp (Carassius carassius) is a cyprinid fish with its natural distribution in Europe and the western part of Asia. Due to its hardiness and unique ability to survive winter anoxia, it has been translocated to small lakes and ponds, and in Northern Europe since medieval times has been used as a food source. Crucian carp was the only fish in the pond that survived anoxia. Small lakes and ponds with winter anoxia result in dense populations of stunted and slender fish. In lakes with other fish species present, the crucians' numbers and densities are low and they grow to large sizes. In the presence of piscivores such as pike, crucians are deep bodied. The presence of pike-eating crucians, or the pike odors, induce a change in the body form of crucians. The change in body form makes it more difficult for pikes to swallow crucians and the handling time increases. Closely related invasive Carassius species have become a serious threat to crucian carp populations in Central-Eastern Europe and South-Eastern England through competition for space and food resources and hybridization. The crucian carp's close relationship to goldfish (Carassius auratus), the most studied species concerning sex pheromones, has made it possible to demonstrate that sex pheromones are also present in a wild Carassius species and in their natural environment. The results indicate that two species use the same sex hormonal pheromone system. The crucian carp has become an important model for laboratory studies of olfaction and taste.

  • 20.
    Gallardo Fernández, Gloria L.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Cuncumén Puso la Primera Piedra: Tras la historia campesina del Alto Choapa. De la reforma agraria a los desafíos socioambientales del presente2023 (uppl. 1)Bok (Övrigt vetenskapligt)
    Abstract [es]

    La historia de los sectores populares en el valle del Choapa, pese a su extension y riqueza, ha sido abordada solo de manera parcial y fragmentaria. Se extraña una obra de conjunto que releve a los actores populares en la compleja trama de relaciones económicas, sociales, politicas y culturales. En este punto, precisamente, radica la originalidad de este libro de la destacada socióloga, Gloria L. Gallardo Fernández, quién fija su punto de atención en el valle de Cuncumén, al interior de la comuna de Salamanca, para luego analizar de forma longitudinal la historia agraria y minera de los habitantes de la región.

    El texto no se agota en la descripción de las estructuras materiales, agrícolas y mineras; el foco se encuentra puesto en los hombres y las mujeres de Cuncumén. Es decir, en los actores o protagonistas de la historia. Son sus vivencias, sus dificultades, sus luchas, expresadas como relatos vividos, cargados de dolores, esperanzas, épicas y pasiones, los que articulan parte importante de la narración contenida en este texto y que la autora hace desde tres ejes analíticos: el desarrollo de las actividades mineras, la estructuración de la tenencia de la tierra y la lucha campesina por esta. 

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    Cuncumén Puso la Primera Piedra: Tras la historia campesina del Alto Choapa. De la reforma agraria a los desafíos socioambientales del presente
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  • 21.
    Abdelgadir, Mohanad
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Södertörns högskola, Centrum för Östersjö- och Östeuropaforskning (CBEES), Baltic & East European Graduate School (BEEGS).
    Alharbi, Randa
    University of Tabuk, Saudi Arabia.
    AlRashidi, Monif
    University of Ha'il, Saudi Arabia.
    Alatawi, Abdulaziz S.
    University of Tabuk, Saudi Arabia.
    Sjöling, Sara
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Dinnétz, Patrik
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Distribution of denitrifiers predicted by correlative niche modeling of changing environmental conditions and future climatic scenarios across the Baltic Sea2023Ingår i: Ecological Informatics, ISSN 1574-9541, E-ISSN 1878-0512, Vol. 78, artikel-id 102346Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Denitrifying microbial communities provide an important ecosystem function in aquatic systems. Yet, knowledge on predictive and modeling of these complex and changing communities is limited. The emergently challenging question of how the geographical distribution of denitrifiers responds to ongoing and future environmental change is not yet fully understood. In our study we use metadata-based correlative niche modeling to analyze the geographical distribution of selected putative denitrifiers in the genus Sphingomonas, Mycoplana, Shewanella, and Alteromonas at different predicted environmental conditions and future climatic scenarios across the Baltic Sea. Using the predictive power of an ensemble modeling approach and eight different machine-learning algorithms, habitat suitability and the distribution of the selected denitrifiers were evaluated using geophysical and bioclimatic variables, benthic conditions, and four Representative Concentration Pathway (RCP) trajectories of future global warming scenarios. All algorithms provided successful prediction capabilities both for variable importance, and for habitat suitability with Area Under the Curve (AUC) values between 0.89 and 1.00. Model findings revealed that salinity and nitrate concentrations significantly explained the variation in distribution of the selected denitrifiers. Rising temperatures of 0.8 to 1.8 °C at future RCP60–2050 trajectories are predicted to diminish or eliminate the bioclimatic suitable habitats for denitrifier distributions across the Baltic Sea. Multi-collated terrestrial and marine environmental variables contributed to the successful prediction of denitrifier distributions within the study area. The correlative niche modeling approach with high AUC values presented in the study allowed for accurate projections of the future distributions of the selected denitrifiers. The modeling approach can be used to improve our understanding of how ongoing and predicted future environmental changes may affect habitat suitability for organisms with denitrification capacity across the Baltic Sea.

  • 22.
    Ismail, R. O.
    et al.
    Stockholm University, Sweden; University of Dar es Salaam, Tanzania.
    Asplund, M. E.
    University of Gothenburg, Sweden.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    George, R.
    Stockholm University, Sweden; Tanzania Fisheries Research Institute (TAFIRI), Tanzania.
    Dahl, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Buriyo, A. S.
    University of Dar es Salaam, Tanzania.
    Mtolera, M. S. P.
    University of Dar es Salaam, Tanzania.
    Björk, M.
    Stockholm University, Sweden.
    Effects of calcification on air-water CO2 fluxes in tropical seagrass meadows: A mesocosm experiment2023Ingår i: Journal of Experimental Marine Biology and Ecology, ISSN 0022-0981, E-ISSN 1879-1697, Vol. 561, artikel-id 151864Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Seagrass meadows deliver a range of ecosystem services, where one of the more important is the capacity to store carbon and serve as sinks for atmospheric carbon dioxide. The capacity of seagrass meadows for carbon storage might, however, be modified and complicated by several factors; one important factor is the possible effects of calcification within the meadows. In tropical areas, seagrass meadows can contain high proportions of calcareous organisms, which through their calcification may cause release of CO2. To study this aspect of the CO2 balance within tropical seagrass systems, we investigated the air-water CO2 flux in seagrass mesocosms with different plant community compositions, i.e. mixtures of seagrass and calcifying macroalgae, having similar overall photosynthetic oxygen evolution rates. The measured CO2 fluxes changed both in rate and direction over the day and were significantly related to plant community composition. Downward fluxes of CO2 were found only over vegetation with high proportion of seagrass and in the afternoon, whereas occurrence of calcifying algae appeared to reverse the flow. A partial least squares (PLS) regression model indicated that pH, pCO2 and dissolved inorganic carbon (DIC) were the primary environmental variables predicting the CO2 fluxes. Our findings show that algal calcification might partly counteract the carbon sequestration in seagrass meadows.

  • 23.
    Hale, S. E.
    et al.
    Norwegian Geotechnical Institute (NGI), Norway.
    Tann, L. V. D.
    Norwegian Geotechnical Institute (NGI), Norway.
    Rebelo, A. J.
    Agricultural Research Council, South Africa; Stellenbosch University, South Africa.
    Esler, K. J.
    Stellenbosch University, South Africa.
    de Lima, A. P. M.
    International Institute for Sustainability, Brazil; Pontifical Catholic University of Rio de Janeiro, Brazil.
    Rodrigues, A. F.
    International Institute for Sustainability, Brazil; Pontifical Catholic University of Rio de Janeiro, Brazil.
    Latawiec, A. E.
    International Institute for Sustainability, Brazil; Pontifical Catholic University of Rio de Janeiro, Brazil; Opole University of Technology, Poland; University of East Anglia, UK.
    Ramírez-Agudelo, N. A.
    Universitat Politècnica de Catalunya, Spain.
    Roca Bosch, E.
    Universitat Politècnica de Catalunya, Spain.
    Suleiman, L.
    KTH, Royal Institute of Technology, Sweden.
    Singh, Nandita
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Oen, A. M. P.
    Norwegian Geotechnical Institute (NGI), Norway.
    Evaluating Nature-Based Solutions for Water Management in Peri-Urban Areas2023Ingår i: Water, E-ISSN 2073-4441, Vol. 15, nr 5, artikel-id 893Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The term nature-based solutions (NBS) has gained traction in recent years and has been applied in many settings. There are few comprehensive assessment frameworks available that can guide NBS planning and implementation while at the same time capturing the short- and long-term impacts and benefits of the NBS. Here a recently presented framework, which builds on the theory of change and was developed to assess NBS at different phases of the project cycle, was applied to seven diverse case studies. The case studies addressed water quality and quantity issues in peri-urban areas across the global north and south. Framework indicators covering the sustainability dimensions (environmental, social and economic) were assessed at three stages of the framework: context, process and results. The work sought to investigate the following research objectives: (1) Can this framework be robust and yet flexible enough to be applied across a diverse selection of NBS projects that are at different phases of the project cycle and address different kinds of water challenges within varied ecological, social and economic contexts? (2) Is it possible to draw generalisations from a comparative analysis of the application of the framework to the case studies? Results showed that the framework was able to be applied to the case studies; however, their diversity showed that NBS projects designed in one context, for a specific purpose in a specific location, can not necessarily be transferred easily to another location. There were several process-based indicators that were universally significant for the case studies, including expertise, skills and knowledge of the involved actors, roles and responsibilities of involved actors and political support. The result-based indicators were case study-specific when environmental indicators were case study-specific, and important social indicators were environmental identity and recreational values. Overall, the use of the framework benefits the recognition of the implementation’s advances, such as the change in context, the processes in place and the results obtained.

  • 24.
    Rodela, Romina
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Dominguez, Daniela
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik.
    Exploratory Mapping of Decision Support Tools for Inclusive Spatial Planning in the European Geographical Context2023Rapport (Övrigt vetenskapligt)
    Abstract [en]

    Urbanization is putting a lot of pressure on city planners who need to navigate the many needs that different stakeholder groups have in terms of access to services, infrastructure, and other amenities in urban areas. This, combined with ambitions for more sustainable living environments, often puts planners and practitioners in challenging situations where they need to navigate complex combinations of needs and priorities with limited or little information available for them to use. Given the complexity and the push for evidence-based policymaking, we are witnessing a more or less steady growth of Decision Support Tools and Systems - often referred with the acronym DST and DSS - meant to assist practitioners in planning and designing our cities and living environments. This report serves as a summary of our efforts in inventorying and summarizing currently available Decision Support Tools, providing a valuable resource for those engaged in the dynamic field of urban planning and governance.

    Ladda ner fulltext (pdf)
    fulltext
  • 25.
    Morf, Andrea
    et al.
    Swedish Institute for the Marine Environment, University of Gothenburg, Gothenburg, Sweden.
    Sandström, Annica
    Luleå University of Technology, Luleå, Sweden.
    Söderström, Sara
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. The Fisheries Secretariate (FishSec), Stockholm, Sweden.
    Exploring enablers and obstacles to policy-oriented learning in Swedish marine national park planning2023Ingår i: Environmental Policy and Governance, ISSN 1756-932X, E-ISSN 1756-9338, Vol. 33, nr 1, s. 17-30Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This article deepens our understanding of the preconditions for policy-oriented learning in conflictive marine conservation, provides an analytical framework for further studies and formulates recommendations for practitioners on what to consider when establishing protected areas. Our seas are under increasing pressure but lag behind in protection. Climate change, intensifying use and biodiversity loss challenge current practises and imply trade-offs between conservation and use. While nature conservation ranks high internationally, national protection attempts often result in controversies, with actors aligning in opposing advocacy coalitions-for and against the proposals. Policy-oriented learning is one way to overcome controversies. It involves processes whereby actors gain new knowledge and experiences, leading to changed beliefs about the problems and possible solutions. We aimed to explore and explain policy-oriented learning through a comparative longitudinal case study of two Swedish national park planning processes with different outcomes: Koster Sea national park, established 2009, and Sankt Anna archipelago remaining without park. Which characteristics related to context, actors and processes influence policy-oriented learning in conflictive marine conservation processes? The results suggest that a set of complementary factors explain the different outcomes. First, learning is facilitated by contexts where actors from both coalitions depend on the resource and its protection and have experience of collaboration, and where conservation planning is well integrated with other governance processes. Second, engaged key actors with moderate views facilitating interactions and able to identify common interests and deescalate conflicts are important - supported, third, by various forums allowing exchange of knowledge and learning across coalitions.

  • 26.
    Högström, J.
    et al.
    KTH Royal Institute of Technology, Sweden.
    Brokking, P.
    KTH Royal Institute of Technology, Sweden.
    Balfors, B.
    KTH Royal Institute of Technology, Sweden.
    Hammer, Monica
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Stjernberg, M.
    Nordregio, Sweden.
    Lidmo, J.
    Nordregio, Sweden.
    Exploring local spatial planning as practices of process design in the Stockholm region, Sweden2023Ingår i: European Planning Studies, ISSN 0965-4313, E-ISSN 1469-5944Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The quest for sustainable urban development requires innovative planning approaches more apt to cater for transformative action. Based on a case study approach, this study aims to explore the potential for local planning to develop practical approaches able to accelerate the transition towards sustainable urban development. To guide spatial development towards sustainability, the analysis of the results shows that local planners need to envision a process design as to advance the understanding of how a site or area can be developed. The act of process design involves pending between processes of contextualization (i.e. exploring five distinguishable domains of planning inquiry) and concretization (i.e. deciding upon a course of action by executing activities that form a process trajectory). Regarding the potential of local planning to develop transformative approaches, it is concluded that: (i) local planners possess capabilities that allow them to probe the future of places and produce insights about prospective change, (ii) the transformative capacity of local planning practices is bound to the development of the identified domains of planning inquiry and (iii) forthcoming evaluations organized around the act of process design can reveal insights regarding the possibilities to put the notion of sustainability into practice at the local level.

  • 27.
    Stalmokaitė, Ignė
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Tafon, Ralph
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Saunders, Fred
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Gee, Kira
    Helmholtz Zentrum Hereon, Germany.
    Gilek, Michael
    Armoškaitė, A.
    Latvian Institute of Aquatic Ecology, Latvia; Aalborg University Copenhagen, Denmark.
    Ikauniece, A.
    Latvian Institute of Aquatic Ecology, Latvia.
    Matczak, M.
    Gdynia Maritime University, Poland.
    Turski, J.
    Gdynia Maritime University, Poland.
    Zaucha, J.
    Gdynia Maritime University, Poland; University of Gdańsk, Poland.
    Exploring social justice in marine spatial planning: planner and stakeholder perspectives and experiences in the Baltic Sea Region2023Ingår i: Journal of Environmental Planning and Management, ISSN 0964-0568, E-ISSN 1360-0559Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This article contributes to the increasing traction of social justice in marine spatial planning (MSP) by exploring perceptions and experiences of social justice from the viewpoint of planners and different social groups who were included and (self)excluded in MSP processes. The study builds on empirical material from Poland, Latvia, and Germany consisting of interviews, MSP legislation, and documents that were analysed through the lens of a multidimensional social justice framework centring on recognition, representation, distribution, and capabilities. Results indicate that MSP institutional arrangements constrain possibilities for marginalised and less consolidated actor groups (residents, coastal tourism, and small-scale fisheries) to enjoy the same degree of recognition that is given to groups representing strategic national interests (renewable energy and shipping). We also highlight the role of planners’ self-reflectivity in enhancing/depriving capabilities of vulnerable social groups whose wellbeing and multidimensional relationships with the sea call for institutional responses adaptive to specific planning contexts. 

  • 28.
    Janzén, Therese
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Hammer, Monica
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Petersson, Mona
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Dinnétz, Patrik
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Factors responsible for Ixodes ricinus presence and abundance across a natural-urban gradient2023Ingår i: PLOS ONE, E-ISSN 1932-6203, Vol. 18, nr 5, artikel-id e0285841Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    To better understand the spatial distribution of the common tick Ixodes ricinus, we investigated how local site factors and landscape characteristics influence tick presence and abundance in different greenspaces along the natural-urban gradient in Stockholm County, Sweden. Ticks and field data were collected in 2017 and 2019 and analyzed in relation to habitat type distributions estimated from land cover maps using geographical information system (GIS). A total of 1378 (992 larvae, 370 nymphs, 13 females, and 3 males) questing ticks were collected from 295 sampling plots in 47 different greenspaces. Ticks were present in 41 of the 47 greenspaces and our results show that both local site features such as vegetation height, and landscape characteristics like the amount of mixed coniferous forest, significantly affect tick abundance. Tick abundance was highest in rural areas with large natural and seminatural habitats, but ticks were also present in parks and gardens in highly urbanized areas. Greenspaces along the natural-urban gradient should be included in surveillance for ticks and tick-borne diseases, including highly urbanized sites that may be perceived by the public as areas with low risk for tick encounters.

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  • 29.
    Dahl, Martin
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Centro de Estudios Avanzados de Blanes, Consejo Superior de Investigaciones Científicas (CEAB-CSIC), Blanes, Spain.
    Asplund, Maria E.
    University of Gothenburg, Sweden.
    Bergman, Sanne
    Stockholm University, Sweden.
    Björk, Mats
    Stockholm University, Sweden.
    Braun, Sara
    Stockholm University, Sweden.
    Löfgren, Elin
    Stockholm University, Sweden.
    Martí, Elisa
    University of Cadiz, Spain.
    Masque, Pere
    Edith Cowan University, Australia; IAEA Marine Environment Laboratories, Principality of Monaco, Monaco.
    Svensson, Robin
    University of Gothenburg, Sweden.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    First assessment of seagrass carbon accumulation rates in Sweden: A field study from a fjord system at the Skagerrak coast2023Ingår i: PLOS Climate, E-ISSN 2767-3200, Vol. 2, nr 1, artikel-id e0000099Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Seagrass meadows are globally important blue carbon sinks. In northern cold-temperate regions, eelgrass (Zostera marina) is the dominant seagrass species, and although their sedimentary carbon stocks have been quantified across regions, information regarding the CO2 withdrawal capacity as carbon sinks remains scarce. Here we assessed the carbon (Corg) accumulation rates (CARs) and stocks as well as the organic matter sources in five seagrass meadows in the Gullmar Fjord area on the Swedish Skagerrak coast. We found that the mean (±SD) CAR was 14 ± 3 g Corg m-2 yr-1 over the last ~120–140 years (corresponding to a yearly uptake of 52.4 ± 12.6 g CO2 m-2). The carbon sink capacity is in line with other Z. marina areas but relatively low compared to other seagrass species and regions globally. About half of the sedimentary carbon accumulation (7.1 ± 3.3 g Corg m-2 yr-1) originated from macroalgae biomass, which highlights the importance of non-seagrass derived material for the carbon sink function of seagrass meadows in the area. The Corg stocks were similar among sites when comparing at a standardized depth of 50 cm (4.6–5.9 kg Corg m-2), but showed large variation when assessed for the total extent of the cores (ranging from 0.7 to 20.6 kg Corg m-2 for sediment depths of 11 to at least 149 cm). The low sediment accretion rates (1.18–1.86 mm yr-1) and the relatively thick sediment deposits (with a maximum of >150 cm of sediment depth) suggests that the carbon stocks have likely been accumulated for an extended period of time, and that the documented loss of seagrass meadows in the Swedish Skagerrak region and associated erosion of the sediment could potentially have offset centuries of carbon sequestration.

  • 30.
    Tucker, Catherine M.
    et al.
    University of Florida, United States.
    Hribar, Mateja Šmid
    Research Centre of the Slovenian Academy of Sciences and Arts - ZRC SAZU, Slovenia.
    Urbanc, Mimi
    Research Centre of the Slovenian Academy of Sciences and Arts - ZRC SAZU, Slovenia.
    Bogataj, Nevenka
    Slovenian Institute for Adult Education, Slovenia.
    Gunya, Alexey
    Russian Academy of Sciences, Russia.
    Rodela, Romina
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Sigura, Maurizia
    University of Udine, Italy.
    Piani, Lucia
    University of Udine, Italy.
    Governance of interdependent ecosystem services and common-pool resources2023Ingår i: Land use policy, ISSN 0264-8377, E-ISSN 1873-5754, Vol. 127, artikel-id 106575Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Environmental governance is recognized as a key issue in many natural and social sciences. It is highly relevant for ecosystem services and common-pool resources as well. Both fields overlap yet have typically been studied separately. Therefore, this study aimed a) to examine the emerging body of literature that incorporates concepts from both fields of research and considers governance challenges, and b) to identify policy tools and recommendations presented for addressing those challenges. The analysis of thirty-nine selected peer-review papers revealed the multiplicity of interacting governance challenges with three major categories: environmental, socioeconomic, and problems of governance itself. Governance is impeded by institutional mismatches, exclusion of local actors, corruption, and perverse policies. The proposed policy recommendations most often suggest changes in institutional arrangements and increasing scientific understanding. Meeting human needs, and increasing social equity and justice were recognized broadly as integral for improving governance, yet correlations among governance problems and solutions appear elusive. These findings extend theoretical reasoning, while carrying practical implications for policy, governance and environmental stewardship. The analysis implies that policies to improve human conditions will be key for improved environmental governance, but more research is needed to learn which types of policy recommendations prove successful given diverse local contexts.

  • 31.
    Leonov, Vadim
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Heat-wave associated vibriosis in Russia, 2003-20212023Ingår i: Turkish Journal of Public Health, E-ISSN 1304-1088, Vol. 21, nr 3, s. 412-416Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objectives: Noteworthy peaks of non-cholera vibriosis occurred in Russia’s Rostov and Volgograd regions in 2007 and 2010. The origins of these emergent vibrio cases have not been fully understood. Here, we investigate a possible link between the heat wave event and disease emergence.

    Methods: This study employed Pearson correlation and regression analyses to identify the linkage between ambient temperature and Vibrio cases.

    Results: The correlation test between the mean summer air temperatures for both regions and the Vibrio-infectious cases per year, shows a significant correlation between the mean summer temperature and the infection: r= 0.62 (p=0.023) for the Rostov region and r = 0.78 (p=0.012) for the Volgograd region.

    Conclusion: The heat waves in the summers of 2007 and 2010 suggest having facilitated the upsurge of V. cholerae non-cholera diseases. The warming tendency has to be considered in predicting outbreaks.

  • 32.
    Katrantsiotis, Christos
    et al.
    Umeå University, Sweden.
    Dahl, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Palm, Veronica
    Södertörns högskola, Institutionen för historia och samtidsstudier, MARIS (Marinarkeologiska forskningsinstitutet). Västerviks Museum, Sweden.
    Rönnby, Johan
    Södertörns högskola, Institutionen för historia och samtidsstudier, Arkeologi. Södertörns högskola, Institutionen för historia och samtidsstudier, MARIS (Marinarkeologiska forskningsinstitutet).
    Andrén, Thomas
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Andrén, Elinor
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Holocene relative sea level changes in the Vastervik-Gamlebyviken region on the southeast coast of Sweden, southern Baltic Sea2023Ingår i: Boreas, ISSN 0300-9483, E-ISSN 1502-3885, Vol. 52, nr 2, s. 206-222Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    We reconstruct the Holocene shore displacement of the Vastervik-Gamlebyviken area on the southeast coast of Sweden, characterised by a maritime cultural landscape and archaeological significance since the Mesolithic. Sediment cores were retrieved from four lake basins that have been raised above sea level due to the postglacial land uplift and eustatic sea level changes after the melting of the Fennoscandian Ice Sheet. The cores were radiocarbon dated and analysed for loss on ignition and diatoms. The isolation thresholds of the basins were determined using LiDAR data. The results provide evidence for the initiation of the first Littorina Sea transgression in this area at 8.5 thousand calibrated years before present (cal. ka BP). A relative sea level rise by similar to 7 m a.s.l. is recorded between 8.0 and 7.5 cal. ka BP with a highstand at similar to 22 m a.s.l. between 7.5 and 6.2 cal. ka BP. These phases coincide with the second and third Littorina Sea transgressions, respectively, in the Blekinge area, southern Sweden and are consistent with the final deglaciation of North America. After 6.2 cal. ka BP, the relative sea level dropped below 22 m a.s.l., and remained at similar to 20 m a.s.l. until 4.6 cal. ka BP coinciding with the fourth Littorina Sea transgression in Blekinge. From 4.6 to 4.2 cal. ka BP, the shore displacement shows a regression rate of 10 mm a(-1) followed by a slowdown with a mean value of 4.6 mm a(-1) until 1.6 cal. ka BP, when the relative sea level dropped below 3.3 m a.s.l. The Middle to Late Holocene highstand and other periods of minor sea level transgressions and/or higher salinity between 6.2 and 1.7 cal. ka BP are attributed to a combination of warmer climate and higher inflow of saline waters in the southern Baltic Sea due to stronger westerlies, caused by variations in the North Atlantic atmospheric patterns.

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  • 33.
    Dusingizimana, T.
    et al.
    University of Rwanda, Rwanda.
    Jones, A.
    University of Michigan, United States.
    Vasanthakaalam, H.
    University of Rwanda, Rwanda.
    Kjellqvist, Tomas
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Household-Level Coverage of Iron-Biofortified Beans in the Northern Province of Rwanda2023Ingår i: Current Developments in Nutrition, ISSN 2475-2991, Vol. 7, nr 6, artikel-id 100106Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Biofortification, the process of enhancing the micronutrient content of staple crops, is a nutrition-sensitive agricultural intervention with the potential to increase micronutrient intakes and improve health outcomes, especially among vulnerable populations. Although data are available on the number of farming households that grow biofortified crops, information on the coverage of biofortified foods in the general population is limited. Such information is critical to assess the performance of biofortification programs and guide decisions related to program implementation while ascertaining progress toward achieving expected impacts. Objective: This study aimed to assess the household coverage of iron-biofortified beans (IBBs) in rural areas of the Northern Province of Rwanda. Methods: We applied methods previously used to assess coverage in large-scale food fortification programs to develop coverage indicators for IBBs. These indicators were 1) consumption of beans in any form; 2) awareness of IBBs; 3) availability of IBBs; 4) consumption of IBBs (ever); and 5) consumption of IBBs (current). Results: Of the 535 households surveyed, 98% consumed beans in any form and 79% were aware of IBBs. Among the 321 households that provided bean samples, only 40% of the samples were biofortified (as determined by a breeding specialist) and only 21% of respondents were able to correctly identify IBBs. Although 52% of households reported to be ever consuming biofortified beans, only 10% of households were currently consuming these beans. Conclusions: Despite relatively high awareness of IBBs among surveyed households, a few households currently consume IBBs, highlighting the need to explore strategies to promote consumption. More research is also required to investigate factors hindering the consumption of IBBs. © 2023

  • 34.
    Porsani, Juliana
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Lalander, Rickard
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Lehtilä, Kari
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Da Conceição-Carvalho, Jocimar
    Federal Institute of Bahia (IFBA), Brazil.
    Braz-Bomfim, Juari
    Municipal Secretariat for Indigenous Issues in Santa Cruz de Cabralia, Brazil.
    Indigenously controlled tourism as struggle for autonomy: the Pataxó Jaqueira Reserve in Brazil2023Ingår i: Revista iberoamericana de estudios de desarrollo / Iberoamerican Journal of Development Studies, E-ISSN 2254-2035Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This study analyses the emblematic experience of an indigenous group in Brazil, the Pataxó, who was able to set up and exercise strong control over an indigenous tourism project: the Jaqueira Reserve. Based on document analysis, interviews, and observations, we show how the Jaqueira Reserve was consolidated not only as a strongly autonomous initiative but also as constituent of a greater quest for autonomy (to craft aspired livelihoods conducive to cultural revitalization and environmental protection). The Pataxó experience shows that indigenous tourism can be an instrument in greater indigenous struggles, and as such can develop not only despite marginalization but also against it.

  • 35.
    Lundmark, Sofia
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Medieteknik.
    Jonsson, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Medieteknik.
    Myhre, Marica
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik.
    Hjuberger, Alethe
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik.
    Rodela, Romina
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Listening to the Future: using Participatory Sound Fiction to Engage Young People in Urban Design2023Ingår i: Mindtrek '23: Proceedings of the 26th International Academic Mindtrek Conference, New York: Association for Computing Machinery (ACM), 2023, s. 223-232Konferensbidrag (Refereegranskat)
    Abstract [en]

    In spatial planning of urban areas, there is a need for new methods for meaningful inclusion of less represented voices as those of young people. This study focuses on how participatory design, design fiction and sound design can be combined to engage youth in urban planning processes. This is investigated by developing and testing a method called participatory sound fiction. The method was tested with a group of young residents in a suburban area in Sweden. Sound fictions of the suburb in 2170 were created and discussed among the youth participants. The results show that through discussions and speculations about the future, important insights were revealed about the youths’ reality, which can be of value in spatial planning processes as well as in understandings of how the youth experiences their living area. Furthermore, the study found that sound can broaden youths’ perspective on their immediate environment, that participatory sound fiction has the potential to engage youths, and that youths prefer to discuss the present to feel that their voices are being heard.

  • 36.
    Lalander, Rickard
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Lembke, Magnus
    Stockholm University, Sweden.
    Porsani, Juliana
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Livelihood Alterations and Indigenous Innovators in the Ecuadorian Amazon2023Ingår i: Alternautas, E-ISSN 2057-4924, Vol. 10, nr 1, s. 95-125Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This article approaches livelihood alterations in Indigenous communities of the Ecuadorian Amazon as means of adaptation and resistance to socio-environmental impacts brought along by the expansion of global capitalism. The cases comprise collective Indigenous endeavors in typically capitalist sectors -tourism and mining -illustrated by the experiences of Kichwa community tourism in Shiripuno in the central Amazon, and sustainable mining in the southern Amazonian Shuar community of Congüime (Kenkuim). Theaim is to unravel these emerging livelihood strategies in relation to Indigenous ethno-cultural identity. Methodologically, we rely on comparative and ethnographic work in the field with Indigenous actors, and on a theoretical framework anchored in the concepts of innovators, cultural boundary changes (Fredrik Barth), social fields of force (William Roseberry), and intercultural regimes (Fernando Galindo and Xavier Albó). In both empirical cases -Indigenous-controlled tourism and mining -communities are framing their ethnic identity to engage with, and positively reposition themselves in relation to the wider society. We hold that these endeavors must be comprehended as highly innovative, and that indigeneity and cultural boundaries can be strengthened bysocio-cultural changes toward livelihoods previously considered as “unauthentic” or “non-Indigenous”. We also argue that these new livelihood orientations have (purposely) altered gender relations within the communities in benefit of women. Additionally, our cases suggest that cultural strengthening and gender empowerment, among other positive outcomes, requires a nuanced apprehension of indigeneity as a partly floating concept and instrument gaining ground amid the increasing interconnectedness of ancienttraditions and capitalist modernity.

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    Livelihood Alterations and Indigenous Innovatorsin the Ecuadorian Amazon
  • 37.
    Broman, Elias
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Stockholm University, Sweden.
    Abdelgadir, Mohanad
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Bonaglia, Stefano
    University of Gothenburg, Sweden.
    Forsberg, Sara C.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Stockholm University, Sweden.
    Wikström, Johan
    Stockholm University, Sweden.
    Gunnarsson, Jonas S.
    Stockholm University, Sweden.
    Nascimento, Francisco J. A.
    Stockholm University, Sweden.
    Sjöling, Sara
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Long-Term Pollution Does Not Inhibit Denitrification and DNRA by Adapted Benthic Microbial Communities2023Ingår i: Microbial Ecology, ISSN 0095-3628, E-ISSN 1432-184X, Vol. 86, s. 2357-2372Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Denitrification in sediments is a key microbial process that removes excess fixed nitrogen, while dissimilatory nitrate reduction to ammonium (DNRA) converts nitrate to ammonium. Although microorganisms are responsible for essential nitrogen (N) cycling, it is not yet fully understood how these microbially mediated processes respond to toxic hydrophobic organic compounds (HOCs) and metals. In this study, we sampled long-term polluted sediment from the outer harbor of Oskarshamn (Baltic Sea), measured denitrification and DNRA rates, and analyzed taxonomic structure and N-cycling genes of microbial communities using metagenomics. Results showed that denitrification and DNRA rates were within the range of a national reference site and other unpolluted sites in the Baltic Sea, indicating that long-term pollution did not significantly affect these processes. Furthermore, our results indicate an adaptation to metal pollution by the N-cycling microbial community. These findings suggest that denitrification and DNRA rates are affected more by eutrophication and organic enrichment than by historic pollution of metals and organic contaminants.

  • 38.
    Tafon, Ralph
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Armoskaite, Aurelija
    Aalborg University, Denmark; Latvian Institute of Aquatic Ecology, Latvia.
    Gee, Kira
    Helmholtz Zentrum Hereon, Germany.
    Gilek, Michael
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Ikauniece, Anda
    Latvian Institute of Aquatic Ecology, Latvia.
    Saunders, Fred
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Mainstreaming coastally just and equitable marine spatial planning: Planner and stakeholder experiences and perspectives on participation in Latvia2023Ingår i: Ocean and Coastal Management, ISSN 0964-5691, E-ISSN 1873-524X, Vol. 242, artikel-id 106681Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Community participation and influence are vitally important for meeting the multidimensional sustainability aims of marine spatial planning (MSP) and more specifically for procedural and distributive justice. While participation has received substantial research interest, we identify a need to: 1) develop equity-based principles for coastal community participation that can be used to assess and reform MSP practices; 2) generate rich empirical accounts of coastal community participation and representation linked to real-world MSP practices. Here we present the results of a study that synthesizes critical MSP and blue justice scholarship to develop principles and indicators of coastally equitable and just planning. Drawing on interviews with planners and stakeholders and analysis of planning and legal documents, these principles are used to assess participatory processes linked to Latvian MSP practices in the period 2015 to 2019. Our analysis shows that equitable and just MSP needs to be based on participation that is timely, inclusive, supportive & localized, collaborative, methodical and impactful. When applied to the Latvian case these six principles provide a comprehensive and versatile heuristic approach to assess participation in MSP. In the context of Latvian MSP practices, we revealed a fundamental challenge of maintaining inclusive and localized participation throughout the full planning cycle. To counteract the successive narrowing/hardening of participatory space our results indicate a need for continuously promoting diversity of voices and perspectives, opportunities for collaborative sense making, visioning and critique. This will help to bridge diverse MSP divides (e.g., between land and sea, between local, national, and global values and priorities, between science and local knowledge, and between blue growth, conservation, and justice goals). If applied more generally in research and as part of MSP evaluation an equity-based approach can promote the mainstreaming of coastally just and equitable MSP practices. Finally, considering contextual factors (e.g., history, culture, power, legislation) that shape participation and representation is crucial when applying the equity principles to a particular MSP setting to acknowledge and accommodate its particular characteristics and challenges.

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  • 39.
    Tarasova, Ekaterina
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Linköping University, Sweden.
    Rohracher, H.
    Linköping University, Sweden.
    Marginalising household users in smart grids2023Ingår i: Technology in society, ISSN 0160-791X, E-ISSN 1879-3274, Vol. 72, artikel-id 102185Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Unless just and inclusive, transitions to low carbon-energy systems are unlikely to receive sufficient legitimacy and broad public support. While research on inequalities and injustices in energy transitions is growing, these issues remain less explored in the case of the digitalisation of the energy systems through smart grids and smart homes. This paper aims to synthetise our understandings of inequality, exclusion and vulnerability in energy transitions by systemically analysing different dimensions of marginalisation in the transition to a digitalised electricity infrastructure in Sweden. To synthetise understandings of marginalisation and exclusion, conceptualisations of these processes in different social science approaches to energy studies are reviewed. Moreover, an empirical analysis of interviews with a range of Swedish actors such as energy utilities, social housing developers or pensioner organisations is carried out and enriched by previous research on smart grid users. The empirical analysis demonstrates what specific forms that diverse categories of marginalisation, as already identified generally in different social science approaches to energy studies, may take in smart grids. We argue that marginalisation of household users in smart grids may take place along multiple dimensions, relating to matters of literacy, participation, infrastructure, and the economy. The analysis suggests that bundles of marginalisation aspects concerning household users in sustainable energy transitions should be recognised and addressed simultaneously. 

  • 40.
    Yau, Y. Y. Y.
    et al.
    University of Gothenburg, Sweden.
    Reithmaier, G.
    University of Gothenburg, Sweden.
    Majtenyi-Hill, C.
    University of Gothenburg, Sweden.
    Serrano, O.
    Ctr Estudios Avanzados Blanes, Spain; Edith Cowan Univ, Australia.
    Pineiro-Juncal, N.
    Ctr Estudios Avanzados Blanes, Spain.
    Dahl, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Ctr Estudios Avanzados Blanes, Spain.
    Mateo, M. A.
    Ctr Estudios Avanzados Blanes, Spain; Edith Cowan Univ, Australia; Universidade de Aveiro, Spain; Universidade de Santiago de Compostela, Spain.
    Bonaglia, S.
    University of Gothenburg, Sweden.
    Santos, I. R.
    University of Gothenburg, Sweden.
    Methane Emissions in Seagrass Meadows as a Small Offset to Carbon Sequestration2023Ingår i: Journal of Geophysical Research - Biogeosciences, ISSN 2169-8953, E-ISSN 2169-8961, Vol. 128, nr 6, artikel-id e2022JG007295Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Seagrass meadows are effective carbon sinks due to high primary production and sequestration in sediments. However, methane (CH4) emissions can partially counteract their carbon sink capacity. Here, we measured diffusive sediment-water and sea-air CO2 and CH4 fluxes in a coastal embayment dominated by Posidonia oceanica in the Mediterranean Sea. High-resolution timeseries observations revealed large spatial and temporal variability in CH4 concentrations (2-36 nM). Lower sea-air CH4 emissions were observed in an area with dense seagrass meadows compared to patchy seagrass. A 6%-40% decrease of CH4 concentration in the surface water around noon indicates that photosynthesis likely limits CH4 fluxes. Sediments were the major CH4 source as implied from radon (a natural porewater tracer) observations and evidence for methanogenesis in deeper sediments. CH4 sediment-water fluxes (0.1 +/- 0.1-0.4 +/- 0.1 mu mol m(-2) d(-1)) were higher than average sea-air CH4 emissions (0.12 +/- 0.10 mu mol m(-2) d(-1)), suggesting that dilution and CH4 oxidation in the water column could reduce net CH4 fluxes into the atmosphere. Overall, relatively low sea-air CH4 fluxes likely represent the net emissions from subtidal seagrass habitat not influenced by allochthonous CH4 sources. The local CH4 emissions in P. oceanica can offset less than 1% of the carbon burial in sediments (142 +/- 69 g CO2eq m(-2) yr(-1)). Combining our results with earlier observations in other seagrass meadows worldwide reveals that global CH4 emissions only offset a small fraction (<2%) of carbon sequestration in sediments from seagrass meadows. Plain Language Summary Seagrass meadows are hotspots for marine carbon storage in sediments. Part of the sediment carbon can be released as carbon dioxide and methane (CH4). Methane has 45-96 times more powerful global warming effect than carbon dioxide. If seagrass meadows release CH4, the emissions counteract their climate mitigation potential. We measured greenhouse gas concentrations and fluxes in a seagrass-dominated Mediterranean embayment. Low CH4 coincided with oxygen produced from seagrass photosynthesis. Areas with dense seagrass meadows had lower CH4 emissions. Overall, seagrass-dominated coasts were a small source of CH4 that offset only <2% of carbon buried in sediments on local and global scales. Hence, seagrass meadows remain an effective carbon sink.

  • 41.
    Tafon, Ralph
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Saunders, Fred
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Pikner, Tarmo
    Tallinn University, Estonia.
    Gilek, Michael
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Multispecies blue justice and energy transition conflict: examining challenges and possibilities for synergy between low-carbon energy and justice for humans and nonhuman nature2023Ingår i: Maritime Studies, ISSN 1872-7859, E-ISSN 2212-9790, Vol. 22, artikel-id 45Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This paper explores deep insights into sustainability transition tensions and pathways in terms of place-based conflict and potential for synergies between offshore wind energy (OWE) development and justice for humans and nonhuman nature. Specifically, we build a capability and recognition-based multispecies blue justice framework that at once centers ecological reflexivity (i.e., environmental awareness-raising, proxy representation of nature, and institutional recognition and protection of rights of nature and human-nature relationality), decenters anthropocentric frames of justice, and sheds light on injustices, human and nonhuman that climate and energy transitions may create or reinforce. This framework then informs analysis of a sustainability transition conflict, specifically a longstanding OWE conflict on Hiiumaa island, Estonia. This analysis unravels justice concerns, human and nonhuman, raised by proxy representatives of nature (i.e., grassroots actors and environmental stewards), the knowledge contestations involved, and the resolution measures undertaken thus far. Next, we discuss the possible transformative role of the OWE conflict, including how a Supreme Court ruling invalidating the OWE plan has fostered reflexive planning and may have set a legal precedent that may have human and nonhuman justice implications for the handling of future planning cases. We then highlight remaining challenges for socially and ecologically responsive OWE deployment. These include the judicial non-recognition of nature’s right as well as environmental values and sociocultural ties to nature as rights worth protecting, and the likely effects that formalization of European Union ambitions to speed-up and ramp-up renewable energy could have locally. These include prospects for environmental stewards and ocean defenders to steer nature-positive, people-centered energy transitions. Last, we propose conditions for enhanced multispecies justice, including how formal interventions (e.g., law) and informal practices (e.g., negotiation, awareness-raising) can be harnessed to unlock productive conflict and align energy transitions with the norms of justice, human and nonhuman.

    Ladda ner fulltext (pdf)
    fulltext
  • 42.
    Rodela, Romina
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Wageningen Environmental Research, Wageningen University and Research Centre, Wageningen, Netherlands.
    Norss, Emma
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Opening up spatial planning to the participation of children and youth: the Swedish experience2023Ingår i: European Planning Studies, ISSN 0965-4313, E-ISSN 1469-5944, nr 2, s. 252-269Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This article reports on a study examining the pathway to and practices for inclusive participatory planning in Sweden. Recently, the Swedish government has transposed the UN's Convention on the Rights of the Child into national law, making it a requirement for Swedish planners to involve children and youth in participatory spatial planning processes. The challenges planners face when needing to open up planning and engage children and youth in more structured ways, have not been discussed very much just yet. This study uses Sweden-centered empirical literature together with interviews with a selected group of respondents to contribute at that debate.

    Ladda ner fulltext (pdf)
    fulltext
  • 43.
    Goina, M.
    et al.
    KTH Royal Institute of Technology, Sweden.
    Bresin, R.
    KTH Royal Institute of Technology, Sweden.
    Rodela, Romina
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Our Sound Space (OSS): An Installation for Participatory AND Interactive Exploration of Soundscapes2023Ingår i: Proceedings of the Sound and Music Computing Conferences, Sound and Music Computing Network , 2023, s. 255-260Konferensbidrag (Refereegranskat)
    Abstract [en]

    This paper describes the development of an interactive tool which allows playing different soundscapes by mixing diverse environmental sounds on demand. This tool is titled Our Sound Space (OSS) and has been developed as part of an ongoing project where we test methods and tools for the participation of young people in spatial planning. As such OSS is meant to offer new opportunities to engage youth in talks about planning, placemaking and more sustainable living environments. In this paper, we describe an implementation of OSS that we are using as an interactive soundscape installation sited in a public place daily visited by people from a diversity of entities (e.g. university, a gymnasium, a restaurant, start-ups). The OSS installation is designed to allow simultaneous activation of several prerecorded sounds broadcast through four loudspeakers. The installation is interactive, meaning that it can be activated and operated by anyone via smartphones and is designed to allow interaction among multiple people at the same time and space. 

  • 44.
    Mgeleka, Said S. S.
    et al.
    Stockholm University, Sweden; Tanzania Fisheries Research Institute, Tanzania.
    Silas, Mathew Ogalo
    Tanzania Fisheries Research Institute, Tanzania.
    Mtonga, Cretus
    The Nelson Mandela African Institution of Science and Technology, Tanzania; The Leibniz Centre for Tropical Marine Research (ZMT), Germany.
    Rumisha, Cyrus
    Sokoine University of Agriculture, Tanzania.
    Viinamaki, Elina
    Stockholm University, Sweden.
    Polte, Patrick
    Institute of Baltic Sea Fisheries, Rostock, Germany.
    Sköld, Mattias
    Swedish University of Agricultural Sciences, Sweden.
    Winder, Monika
    Stockholm University, Sweden.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Population genetics of the hound needlefish Tylosurus crocodilus (Belonidae) indicate high connectivity in Tanzanian coastal waters2023Ingår i: Marine Biology Research, ISSN 1745-1000, E-ISSN 1745-1019, Vol. 19, nr 4-5, s. 261-270Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The hound needlefish Tylosurus crocodilus (Belonidae) is a highly demanded fish in the local markets of Tanzania, but the growing coastal population threatens its sustainability. As belonids are highly migratory fishes utilising various parts of the seascape, increased fishing pressure may disrupt connectivity patterns on different spatiotemporal scales and disaggregate populations. Using the COI gene, this study assessed the genetic population structure, connectivity patterns, and historical demography of T. crocodilus collected in seven sites spread along Tanzanian coastal waters. Results showed fourteen haplotypes with low overall nucleotide and haplotype diversity. Pairwise F-ST comparisons revealed no significant differences among the sampled sites, except for the northernmost site (Tanga) and an island in the south (Songosongo). Analysis of molecular variance (AMOVA) revealed a non-significant genetic structure among populations (F-ST = 0.01782), suggesting the fishery across Tanzanian waters exploits the same population. Moreover, there was no correlative relationship between genetic and pairwise geographic distances, rejecting the isolation by distance hypothesis. However, neutrality tests and mismatch distribution analysis revealed that recent demographic expansion might exist. Empirical evidence of panmixia suggests high genetic connectivity. In combination with low genetic diversity, management should be directed to actions that prevent genetic diversity loss and the effect of genetic drift on populations.

    Ladda ner fulltext (pdf)
    fulltext
  • 45.
    Elma, Eylem
    et al.
    Newcastle University, UK; Stockholm University, Sweden.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Yahya, Saleh A.S.
    University of Dar es Salaam, Tanzania.
    Jouffray, Jean-Baptiste
    Stockholm University, Sweden.
    East, Holly K.
    Northumbria University, UK.
    Nyström, Magnus
    Stockholm University, Sweden.
    Post-bleaching alterations in coral reef communities2023Ingår i: Marine Pollution Bulletin, ISSN 0025-326X, E-ISSN 1879-3363, Vol. 186, artikel-id 114479Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    We explored the extent of post-bleaching impacts, caused by the 2014–2016 El Niño Southern Oscillation (ENSO) event, on benthic community structure (BCS) and herbivores (fish and sea urchins) on seven fringing reefs, with differing protection levels, in Zanzibar, Tanzania. Results showed post-bleaching alterations in BCS, with up to 68 % coral mortality and up to 48 % increase in turf algae cover in all reef sites. Herbivorous fish biomass increased after bleaching and was correlated with turf algae increase in some reefs, while the opposite was found for sea urchin densities, with significant declines and complete absence. The severity of the impact varied across individual reefs, with larger impact on the protected reefs, compared to the unprotected reefs. Our study provides a highly relevant reference point to guide future research and contributes to our understanding of post-bleaching impacts, trends, and evaluation of coral reef health and resilience in the region.

    Ladda ner fulltext (pdf)
    fulltext
  • 46.
    Lalander, Rickard
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Ubidia, Peter
    Universidad de Otavalo, Ecuador.
    Prácticas ancestrales en tiempos de COVID-19: Reflexiones decoloniales desde tres comunidades Kichwa-Otavalos2023Ingår i: Revista Dialógica Intercultural, ISSN 2960-0847, nr 1, s. 86-119Artikel i tidskrift (Refereegranskat)
    Abstract [es]

    El argumento central del presente artículo es que en las periferias de la modernidad existen prácticas y conocimientos muy valiosos para comprender el mundo y para el manejo de situaciones críticas. En el contexto de la crisis pandémica global del Covid-19, este texto examina y problematiza las reacciones, estrategias y actitudes frente a la pandemia en tres comunidades Kichwas de la Sierra Norte ecuatoriana: La Calera, Huaycopungo y Punyaro. Partiendo desde una lógica teórica decolonial, sobre los mecanismos y estructuras de dominación y subordinación de ciertos grupos sociales y mediante un estudio de caso etnográfico comparativo y participativo, el resultado del artículo indica que el impacto del Covid-19 en las comunidades fue mínima. Asimismo, desde su ontología y tradiciones Kichwas, las tres comunidades reactivaron y expandieron la producción agrícola comunitaria y ampliaron sus prácticas de tratamientos medicinales ancestrales. Del mismo modo, podemos concluir que, desde el inicio de la pandemia, hubo un grado fuerte de desobediencia parcial o completa de las poblaciones indígenas hacia las restricciones y políticas estatales frente al Covid-19, e, incluso, una cantidad de los voceros Kichwas ni siquiera creía en la pandemia o las vacunas.

    Ladda ner fulltext (pdf)
    Prácticas ancestrales en tiempos de Covid-19 Free access
  • 47.
    Dahl, Martin
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Centro de Estudios Avanzados de Blanes, Consejo Superior de Investigaciones Cientificas (CEAB-CISC), Blanes, Spain.
    McMahon, K.
    Edith Cowan University, Australia.
    Lavery, P. S.
    Edith Cowan University, Australia.
    Hamilton, S. H.
    Australian National University, Australia.
    Lovelock, C. E.
    The University of Queensland, Australia.
    Serrano, O.
    Centro de Estudios Avanzados de Blanes, Consejo Superior de Investigaciones Cientificas (CEAB-CISC), Blanes, Spain; Edith Cowan University, Australia.
    Ranking the risk of CO2 emissions from seagrass soil carbon stocks under global change threats2023Ingår i: Global Environmental Change, ISSN 0959-3780, E-ISSN 1872-9495, Vol. 78, artikel-id 102632Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Seagrass meadows are natural carbon storage hotspots at risk from global change threats, and their loss can result in the remineralization of soil carbon stocks and CO2 emissions fueling climate change. Here we used expert elicitation and empirical evidence to assess the risk of CO2 emissions from seagrass soils caused by multiple human-induced, biological and climate change threats. Judgments from 41 experts were synthesized into a seagrass CO2 emission risk score based on vulnerability factors (i.e., spatial scale, frequency, magnitude, resistance and recovery) to seagrass soil organic carbon stocks. Experts perceived that climate change threats (e.g., gradual ocean warming and increased storminess) have the highest risk for CO2 emissions at global spatial scales, while direct threats (i.e., dredging and building of a marina or jetty) have the largest CO2 emission risks at local spatial scales. A review of existing peer-reviewed literature showed a scarcity of studies assessing CO2 emissions following seagrass disturbance, but the limited empirical evidence partly confirmed the opinion of experts. The literature review indicated that direct and long-term disturbances have the greatest negative impact on soil carbon stocks per unit area, highlighting that immediate management actions after disturbances to recover the seagrass canopy can significantly reduce soil CO2 emissions. We conclude that further empirical evidence assessing global change threats on the seagrass carbon sink capacity is required to aid broader uptake of seagrass into blue carbon policy frameworks. The preliminary findings from this study can be used to estimate the potential risk of CO2 emissions from seagrass habitats under threat and guide nature-based solutions for climate change mitigation.

  • 48.
    Stalmokaitė, Ignė
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Larsson Segerlind, Tommy
    Södertörns högskola, Institutionen för samhällsvetenskaper, Företagsekonomi.
    Yliskylä‐Peuralahti, Johanna
    University of Turku, Finland.
    Revival of wind‐powered shipping: Comparing the early‐stage innovation process of an incumbent and a newcomer firm2023Ingår i: Business Strategy and the Environment, ISSN 0964-4733, E-ISSN 1099-0836, Vol. 32, nr 2, s. 958-975Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Despite the urgency of decarbonising, the shipping sector has demonstrated a slow-paced response to climate change challenges. Some frontrunner firms are engaged in sustainability-oriented innovation processes. However, there is limited knowledge of how such processes emerge and contribute to societal sustainability transitions and what the role of technology is in companies' (re)orientation towards sustainable business models. This study contributes to filling these gaps through a comparative case study of the ongoing innovation process within an incumbent and a newcomer firm developing wind-powered energy solutions for deep-sea transportation. The study's findings bear implications for theory and practice. This paper's combination of a dynamic capabilities approach and a multi-level perspective from sustainability transitions research is a conceptual novelty, enabling an understanding of the activities involved in the (re)orientation process towards sustainable business from a company's perspective, as well as broader societal and sustainability needs.

    Ladda ner fulltext (pdf)
    Stalmokaitė, Larsson Segerlind and Yliskylä-Peuralahti, 2022
  • 49.
    Luthman, Ola
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Södertörns högskola, Centrum för Östersjö- och Östeuropaforskning (CBEES), Baltic & East European Graduate School (BEEGS).
    Searching for sustainable aquaculture governance: A focus on ambitions and experience2023Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    Aquaculture is one of the most diverse food-producing industries and is suggested as a key solution to a growing global food demand. It has been argued that aquaculture has the potential to expand sustainably in most parts of the world, especially in the EU where consumption far out weighs production. This positive view surrounding aquaculture’s growth emphasizes its positive social and ecological effects. These include the generation of rural employment opportunities and the production of nutrient-dense food with negligible or even beneficial environmental effects (e.g. nutrient sequestration). However, for the industry to fulfil this potential, it needs informed governance structures and policies about social-ecological systems that are sensitive to local issues and conditions but also linked to the wider transnational/global context. This thesis provides empirical insight into how different levels of governance and policy interact and the ‘sustainability aquaculture development’ that different actors advocate. By using the Social-Ecological Systems (SES) approach as the theoretical foundation, combined with discourse and policy analyses, this thesis delves into how sustainability is framed in different aquaculture governance settings to give nuanced insights into varied sustainability discourses. This includes examining some of the most influential governing actors in the global North, ranging from intergovernmental organizations (IGOs) like the EU and UN to states and certification organizations.

    Based on academic and international governing goals for expanding aquaculture sustainably through multi-stakeholder engagements, and the rapid expansion of Atlantic salmon production, this thesis analyzes how alternative influential governance regimes, like certification programs, compare in terms of environmental stringency with the national regulatory standards of the largest salmon-producing states. One region of interest in this thesis is the Nordics where aquaculture production is unevenly distributed. Norway is one of the most prominent global aquaculture production countries; other states such as Iceland are growing rapidly while countries around the Baltic Sea have very little production. Aquaculture in the Nordics is mostly centered around resource-intensive species with a high market value like Atlantic salmon. Continuing with the ambition to use multi-stakeholder engagements, this thesis also provides empirical insight into how policies and legislation are formed to promote aquaculture. Finally, based on global and regional recognition that food production needs to decrease its dependence on antibiotics, this thesis looks at how some of the most impactful aquaculture markets globally regulate antibiotics usage in aquaculture operations.

    This thesis contributes by developing a conceptual framework to examine how different aspects of sustainability are aspired to and pursued in different aquaculture governance arrangements and settings. Through the application of this framework, the thesis develops critical insights into how governing actors frame sustainable aquaculture, identifying dissonances and synergies between international and national ambitions and making suggestions for how aquaculture sustainability can be improved.

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    Searching for sustainable aquaculture governance: A focus on ambitions and experience
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    presentationsbild
  • 50.
    Silas, Mathew O.
    et al.
    Fisheries Research Institute (TAFIRI), Dar es Salaam, Tanzania.
    Kishe, Mary A.
    Fisheries Research Institute (TAFIRI), Dar es Salaam, Tanzania.
    Semba, Masumbuko R.
    Nelson Mandela African Institution of Science and Technology, Arusha, Tanzania.
    Kuboja, Bigeyo N.
    Fisheries Research Institute (TAFIRI), Dar es Salaam, Tanzania.
    Ngatunga, Benjamin
    Tanzania Tuna Fishery National Alliance, Dar es Salaam, Tanzania.
    Mgeleka, Said S.
    Fisheries Research Institute (TAFIRI), Dar es Salaam, Tanzania; Stockholm University, Sweden.
    Linderholm, Hans W.
    University of Gothenburg, Sweden.
    Dahl, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Seascape configuration influences big blue octopus (Octopus cyanea) catches: Implications for a sustainable fishery2023Ingår i: Fisheries Research, ISSN 0165-7836, E-ISSN 1872-6763, Vol. 264, artikel-id 106716Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Seascape configuration is known to influence fish distribution and abundance in coastal waters. However, there is little information regarding how the shape of the coastal seascape influences catches of landed fisheries species, particularly so in the understudied western Indian Ocean (WIO). With focus on big blue octopus (Octopus cyanea), which is a widely found cephalopod species in the WIO, we compared landed catches (biomass, catch rate, and density) in submerged and exposed reefs, and explored the influence of proximity to fishing villages and reef habitat size on octopus landings. We used fishery-dependent data collected between 2018 and 2020 from eight landing sites spread across the Tanzanian coast. We found a strong relationship between biomass of octopus catch and distance from fished reefs to fishing villages, with higher fished biomass on reefs farther away. Octopus densities were higher, while catch rates were lower, on reefs very close to (within one km distance from) fishing villages compared to more distant reefs. In general, submerged reefs provided higher catches than exposed reefs. The low octopus catches on the exposed reefs were attributed to high fishing pressure, while submerged reefs that are only accessible through diving provide optimal areas for octopuses to grow. Octopus catches were, however, not significantly affected by reef size. The findings suggest that management policies should proportionate fishing efforts to ensure sustainable exploitation of reefs and associated fishery resources.

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