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  • 1.
    Andersson, Ingela
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Stockholm University, Department of Physical Geography and Quarternary Geology.
    Jarsjö, Jerker
    Stockholm University, Department of Physical Geography and Quarternary Geology.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Geography. Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Saving the Baltic Sea, the Inland Waters of Its Drainage Basin, or Both? Spatial Perspectives on Reducing P-Loads in Eastern Sweden2014In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 43, no 7, p. 914-925Article in journal (Refereed)
    Abstract [en]

    Nutrient loads from inland sources to the Baltic Sea and adjacent inland waters need to be reduced in order to prevent eutrophication and meet requirements of the European Water Framework Directive (WFD) and the Baltic Sea Action Plan (BSAP). We here investigate the spatial implications of using different possible criteria for reducing water-borne phosphorous (P) loads in the Northern Baltic Sea River Basin District (NBS-RBD) in Sweden. Results show that most catchments that have a high degree of internal eutrophication do not express high export of P from their outlets. Furthermore, due to lake retention, lake catchments with high P-loads per agricultural area (which is potentially of concern for the WFD) did not considerably contribute to the P-loading of the Baltic Sea. Spatially uniform water quality goals may, therefore, not be effective in NBS-RBD, emphasizing more generally the need for regional adaptation of WFD and BSAP-related goals.

  • 2.
    Andersson, Ingela
    et al.
    Södertörn University, School of Life Sciences, Environmental science. Södertörn University, School of Life Sciences, Geography. Stockholm University, Department of Physical Geography and Quarternary Geology.
    Petersson, Mona
    Södertörn University, School of Life Sciences, Environmental science. Södertörn University, School of Life Sciences, Geography.
    Jarsjö, Jerker
    Stockholm University, Department of Physical Geography and Quarternary Geology.
    Impact of the European Water Framework Directive on local-level water management: Case study Oxunda Catchment, Sweden2012In: Land use policy, ISSN 0264-8377, E-ISSN 1873-5754, Vol. 29, no 1, p. 73-82Article in journal (Refereed)
    Abstract [en]

    The Water Framework Directive (WFD) of the European Union provides a common framework for water policy that focuses on holistic and integrated water management in river basins. In many member states, implementation of the WFD has shifted the main responsibility for local water issues from the municipal level to the regional or supra-regional levels. In this study, we investigated how the implementation of the WFD has influenced local-level water management including the interpretation of the new environmental quality standards. Specifically, we considered Sweden, which has traditionally had relatively strong governance at the municipal level. Because a sufficient amount of time has now passed for evaluation of WFD-related effects on operational water handling, we interviewed individuals directly involved in water planning and land use planning at the municipal level in one sub catchment in the Northern Baltic Sea River Basin District of Sweden, as well as representatives for superior levels and associations. Despite divergent views regarding the priority of water issues in physical planning among the local-level planners interviewed, they had all participated in successful inter-municipal pre-WFD collaboration projects. Although such collaborations could help increase the understanding and acceptance of WFD-related goals and costs, as well as facilitate conflict solving, as shown in the Oxunda Catchment, they have not gained much attention in the WFD implementation process. Additionally, physical planners have generally been reluctant to accept new environmental quality standards resulting from WFD implementation, in part because they lack precise definitions, but also because they could challenge the municipal routine of weighing various objectives against each other. Furthermore, despite WFD-related increases in ambition levels, lack of resource improvements at the municipal level were identified as potential problems by local environmental planners.

  • 3.
    Asghar, Naveed
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology. Örebro universitet.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Geography.
    Johansson, Magnus
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology. Örebro univarsitet.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Local land-scape effects on population dynamics of Ixodes ricinus2016In: Geospatial Health, ISSN 1827-1987, Vol. 11, p. 283-289, article id 487Article in journal (Refereed)
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  • 4.
    Bonow, Madeleine
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Hammer, Monica
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Hästföretagande i storstadens närhet2017In: Genus och företagande / [ed] Madeleine Bonow, Paulina Rytkönen, Svenska sällskapet för antropologi och geografi , 2017, p. 159-182Chapter in book (Other academic)
    Abstract [sv]

    För 150 år sedan bodde större delen av Sveriges befolkning på landsbygden och var sysselsatta i primärnäringarna, men under de senaste 120 åren har den svenska landsbygden genomgått en kraftfull strukturomvandling. idag är det endast 15% av Sveriges befolkning som bor utanför någon av Sveriges tätorter. Det vill säga 85% av befolkningen bor på 1,3 procent av landarealen och ytterst få är sysselsatta i de gröna näringarna. Den pågående omstruktureringen av lantbruket innebär att många av de mindre gårdarna läggs ned och blir fritidshus eller hästgårdar. Samtidigt som nötkreaturen minskar i antal ökar antalet hästar och Sverige har blivit ett av de hästtätaste länderna i Europa.

    Ungefär en halv miljon svenskar rider regelbundet och närmare en tredjedel av alla invånare i Sverige har på något sätt kontakt med hästar och de olika verksamheter som de ger upphov till. Denna ökning av sporthästar är särskilt märkbar i tätortsnära områden. I Stockholm och Uppsala län finns omkring 44 000 hästar och ca 78% av dessa finns i urbana eller tätortsnära områden. Hästarna har till viss del blivit landsbygdens räddning. hästar behöver mat, husrum och livsutrymme, vilket har skapat en välkommen extra inkomstkälla för lantbruket. Det är relativt vanligt att lantbrukare producerar och säljer hästfoder eller hyr ut stallplatser. Enligt lantbrukarnas Riksförbund, är hästnäringen den femte största inkomstkällan för jordbruket.  Hästen är även på andra sätt en viktig resurs i arbetet med att utveckla nya former för jordbruksföretagande och bidra till en levande landsbygd. Det ökande antalet hästar medför mer arbete för veterinärer, hovslagare och tränare/instruktörer. Dessutom växer det fram nya yrkesgrupper med specialinriktning mot hästar. Syftet med den här studien är att belysa kvinnliga hästföretagares syn på tätortsnära hästverksamheter och diskutera svårigheter och möjligheter för utvecklingen av hästnäringen med fokus på Stockholm- och Uppsalaområdet.

  • 5.
    Fridfeldt, Anders
    et al.
    Stockholms universitet.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Geography. Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Rämgård, Margareta
    Malmö högskola.
    Trygger, Sophie
    Stockholms universitet.
    Schaerström, Anders
    Medicinsk geografi på svenska universitet2014In: Geografiska Notiser, ISSN 0016-724X, Vol. 72, no 4, p. 182-187Article in journal (Other academic)
  • 6.
    Hammer, Monica
    et al.
    Södertörn University, School of Life Sciences, Environmental science.
    Balfors, Berit
    Mörtberg, Ulla
    Petersson, Mona
    Södertörn University, School of Life Sciences, Environmental science. Södertörn University, School of Life Sciences, Geography.
    Quin, Andrew
    Governance of Water Resources in the Phase of Change: A Case Study of the Implementation of the EU Water Framework Directive in Sweden2011In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 40, no 2, p. 210-220Article in journal (Refereed)
    Abstract [en]

    In this article, focusing on the ongoing implementation of the EU Water Framework Directive, we analyze some of the opportunities and challenges for a sustainable governance of water resources from an ecosystem management perspective. In the face of uncertainty and change, the ecosystem approach as a holistic and integrated management framework is increasingly recognized. The ongoing implementation of the Water Framework Directive (WFD) could be viewed as a reorganization phase in the process of change in institutional arrangements and ecosystems. In this case study from the Northern Baltic Sea River Basin District, Sweden, we focus in particular on data and information management from a multi-level governance perspective from the local stakeholder to the River Basin level. We apply a document analysis, hydrological mapping, and GIS models to analyze some of the institutional framework created for the implementation of the WFD. The study underlines the importance of institutional arrangements that can handle variability of local situations and trade-offs between solutions and priorities on different hierarchical levels.

  • 7.
    Hammer, Monica
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Bonow, Madeleine
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Perspectives on horse keeping and welfare in peri-urban landscapes2019In: Equine Cultures in Transition: Ethical Questions / [ed] Jonna Bornemark, Petra Andersson, Ulla Ekström von Essen, London: Routledge, 2019, p. 240-256Chapter in book (Refereed)
  • 8.
    Hammer, Monica
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Bonow, Madeleine
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    The role of horse keeping in transforming peri-urban landscapes: A case study from metropolitan Stockholm, Sweden2017In: Norsk Geografisk Tidsskrift, ISSN 0029-1951, E-ISSN 1502-5292, Vol. 71, no 3, p. 146-158Article in journal (Refereed)
    Abstract [en]

    The authors analyze sustainable cultural landscapes through the lens of ecosystem services. Their case study focuses on transformation of the peri-urban landscape of the Stockholm region, Sweden. Peri-urban landscapes are characterized by diversified and fragmented land uses that are strongly related to urban lifestyles. The rapidly increasing trend for recreational horse keeping is replacing traditional agriculture. Horse keepers’ and local government perspectives on horse keeping are examined, as well as the related demand for ecosystem services, which affects the landscape. The article is based on government documents, interviews with local government officials, and field visits to 16 horse-keeping facilities in two municipalities. Horse keeping was found important for sustaining cultural ecosystem services related to a rural cultural landscape and for maintaining traditional agriculture that provides provisioning ecosystem services. However, several differences between traditional agriculture and horse keeping that affect the demand for ecosystem services related to land use were found to shift the focus from provisioning services to recreational services. The authors conclude that horse keeping, as an emerging crosscutting issue in peri-urban landscapes, needs new more integrative planning processes that account for the full range of ecosystem services and links between cultural services and ecosystem functioning.

  • 9.
    Hammer, Monica
    et al.
    Södertörn University, School of Life Sciences, Environmental science.
    Petersson, Mona
    Södertörn University, School of Life Sciences, Geography.
    Mörtberg, Ulla
    KTH, Miljöbedömning och -förvaltning.
    Jarsjö, Jerker
    Andersson, Ingela
    Cross-scale linkages and trade-offs in multilevel water governance: A case study from the Northern Baltic Sea River Basin District2011In: International Council for the Exploration of the Sea Annual Conference, Copenhagen: International Council for the Exploration of the Sea , 2011, p. ICES CM2011/R:21-Conference paper (Refereed)
  • 10.
    Janzén, Therese
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Hammer, Monica
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Factors responsible for Ixodes ricinus presence and abundance across a natural-urban gradient2023Data set
    Abstract [en]

    In 2017, ticks and field data were collected from 12 different sites in Stockholm County originally chosen as random controls for another study but was never used. In 2019, we collected ticks and field data at 35 randomly selected sites along the natural-urban gradient. To calculate and urbanization index, we used the proportion of artificial surfaces surrounding each site. All sampling sites were visited once with a total of 295 sampling plots inventoried for ticks and field data. For each sampling plot, we recorded date, time, temperature, weather conditions, number of ticks, vegetation height and tree stem density surrounding the inventory plot. To retrieve large landscape characteristics, we established 10 buffer zones ranging from 100m to 1000m around each sampling site in GIS using satellite land cover maps (retrieved from: https://www.naturvardsverket.se/verktyg-och-tjanster/kartor-och-karttjanster/nationella-marktackedata/ladda-ner-nationella-marktackedata/). These maps have a spatial resolution of 10m and include the following main categories 1) Forest and seminatural areas, 2) Open areas, 3) Arable land, 4) Wetlands, 5) Artificial surfaces and 6) Inland and marine water. These main categories are further divided into subcategories with detailed information regarding the different land cover classes. In the analyses, we used the main categories, with the exception of Forest and seminatural areas where we included eight individual forest types: Pine forest, Spruce forest, Mixed coniferous forest, Mixed forest, Broadleaved forest, Broadleaved hardwood forest, Broadleaved forest with hardwood forest and Temporarily non-forest. To calculate landscape configuration metrics at each sampling site, we used land cover data from the GIS buffers with a 1000m radius, exported to GeoTIFF format and analyzed them with FRAGSTATS version 4. For landscape heterogeneity we used Shannons’ diversity index (SHDI) and to measure the aggregation of landscape attributes we used Contagion (CONTAG). As measures of forest configuration, we used percent of forest cover (PLAND) and total forest edge length (TE). All statistical analyses were performed with R version 4.0.3. To analyze the effect of possible risk factors for tick abundance in different greenspaces across the natural-urban gradient, we used generalized linear mixed models assuming Poisson distributed residuals. As the data contained a larger proportion of zeros than would be expected according to a Poisson or a negative binomial distribution causing overdispersion, we fitted zero-inflated Poisson models using the package glmmTMB (generalized linear mixed models using Template Model Builder).

  • 11.
    Janzén, Therese
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Södertörn University, Centre for Baltic and East European Studies (CBEES), Baltic & East European Graduate School (BEEGS).
    Choudhury, Firoza
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Hammer, Monica
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Ticks: public health risks in urban green spaces2024In: BMC Public Health, E-ISSN 1471-2458, Vol. 24, no 1, article id 1031Article in journal (Refereed)
    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.

  • 12.
    Janzén, Therese
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Hammer, Monica
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Factors responsible for Ixodes ricinus presence and abundance across a natural-urban gradient2023In: PLOS ONE, E-ISSN 1932-6203, Vol. 18, no 5, article id e0285841Article in journal (Refereed)
    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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  • 13.
    Janzén, Therese
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Södertörn University, Centre for Baltic and East European Studies (CBEES), Baltic & East European Graduate School (BEEGS).
    Larsson, Josefine
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Marint centrum Simrishamn, Sweden.
    Hammer, Monica
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Ixodes-borne bacterial pathogen distribution across a natural-urban gradientManuscript (preprint) (Other academic)
  • 14.
    Janzén, Therese
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Södertörn University, Centre for Baltic and East European Studies (CBEES), Baltic & East European Graduate School (BEEGS).
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Hammer, Monica
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Aspán, Anna
    National Veterinary Institute (SVA).
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Equine Granulocytic Anaplasmosis in Southern Sweden: Associations with coniferous forest, water bodies and landscape heterogeneity2019In: Agriculture, Ecosystems & Environment, ISSN 0167-8809, E-ISSN 1873-2305, Vol. 285, article id 106626Article in journal (Refereed)
    Abstract [en]

    Landscape characteristics influence both vector and host habitats affecting the spatial and temporal distribution of vector-borne diseases. Anaplasma phagocytophilum is one of the most widespread tick-borne diseases in Europe causing tick-borne fever (TBF) in domestic ruminants, and granulocytic anaplasmosis in humans, horses and companion animals. The aim of this study was to identify landscape factors associated with Equine Granulocytic Anaplasmosis (EGA) cases in a refined temporal and spatial analysis by combining land cover data and presence/absence disease data, using a geographical information system (GIS). This study is a retrospective analysis utilizing 1030 EGA diagnostic test results extracted from the National Veterinary Institute (SVA, Sweden). The association between EGA and different land cover types was analyzed with generalized linear models. To analyze the relation between landscape heterogeneity and EGA, we calculated the Gini-Simpson index. Our results showed a significant increase in the proportion positive EGA cases from 2002 to 2015 and marked differences in the seasonal within year distribution of EGA cases. The association with landscape configuration is shown by the positive relationship between A. phagocytophilum and coniferous forest, water bodies, and landscape heterogeneity, respectively. The information on the eco-epidemiological drivers for EGA can be central for disease control and prevention. Our method of linking land cover to disease risk may be applied to other vector-borne diseases and to other study regions.

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  • 15.
    Kumblad, Linda
    et al.
    Stockholm University, Sweden.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Aronsson, Helena
    Swedish University of Agricultural Sciences, Sweden.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Norberg, Lisbet
    Swedish University of Agricultural Sciences, Sweden.
    Winqvist, Camilla
    Rejlers Sverige AB, Sweden.
    Rydin, Emil
    Stockholm University, Sweden.
    Hammer, Monica
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Managing multi-functional peri-urban landscapes: Impacts of horse-keeping on water quality2024In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 53, p. 452-469Article in journal (Refereed)
    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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  • 16. Petersson, Mona
    Compositional variability of settling organic particles in non-tidal coastal and shelf environments2001Other (Other academic)
  • 17.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Geografi i ett mastersprogram om infektionssjukdomar och att byta campus mot distans i en pandemi2020In: Geografiska Notiser, ISSN 0016-724X, Vol. 78, no 4, p. 181-185Article in journal (Other academic)
    Abstract [sv]

    Artikeln tar upp geografiämnets roll i ett mastersprogram om infektionssjukdomar och de erfarenheter som gjordes under 2020 när kursen blev distanskurs under pågående covid-19-pandemi. Texten belyser geografiämnets bidrag och hur kunskap om kartografiska grunder behövs i dagens samhälle där vi dagligen omges av kartor utan att stanna upp och tänka över att kartan är en konstruktion där någon valt hur och vad som skall visas. Kortfattat beskrivs även några geografiska aspekter på hälsa  och ohälsa. Texten beskriver också hur kursens övningar behövde anpassas till distansövningar och att studenterna uttryckte behov av kursgemenskap och att kunna ta del av varandras frågor. 

  • 18.
    Petersson, Mona
    Södertörn University College, School of Life Sciences.
    Kustlandskapets förändring och nyttjande i Estland under förhistorisk tid2008In: Leva vid Östersjöns kust: en antologi om naturförutsättningar och resursutnyttjande på båda sidor av Östersjön ca 800-1800 : rapport 2 / från projektet Förmoderna kustmiljöer, naturresurser, klimat, och samhälle vid östersjökusten före 1800 - ett miljöhistoriskt projekt, Huddinge: Södertörns högskola , 2008, p. 15-22Chapter in book (Other academic)
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    Kustlandskapets förändring och nyttjande i Estland under förhistorisk tid
  • 19.
    Petersson, Mona
    Södertörn University, School of Life Sciences.
    Strandförskjutningen i Södermanland2006In: Människan anpassaren - människan överskridaren: rapport från projektet: Förmoderna kustmiljöer. Naturresurser, klimat och samhälle vid östersjökusten före 1800 - ett miljöhistoriskt projekt, Huddinge: Södertörns högskola , 2006, p. 33-46Chapter in book (Other academic)
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    Strandförskjutningen i Södermanland
  • 20. Petersson, Mona
    et al.
    Floderus, Soren
    Use of amino acid composition to investigate settling and resuspension of a spring bloom in the southern Skagerrak2001In: Limnology and Oceanography, ISSN 0024-3590, E-ISSN 1939-5590, Vol. 46, no 5, p. 1111-1120Article in journal (Refereed)
    Abstract [en]

    Short-term changes in amino acid composition of near-bed particulate flux were studied at an upper shelf location in the southern Skagerrak, 55 m deep. Sediment trap samples were collected with a 3-d sampling interval from late April to late June 1992. A high settling rate (85 g m(-2) d(-1)) was intercepted in May, coinciding with high shear velocity and settling of fresh phytoplankton. During the peak in the settling rate, a decrease in the mole percentage of glycine was noticed. At the end of June, smaller peaks of high flux corresponded to periods of increased shear velocity; during this time, the amino acid composition did not change. A Q-mode factor analysis on the amino acid variation of collected particles showed a relation between certain samples consisting of fresh phytoplankton material. If organic carbon is compared to the shear velocity, the related phytoplankton samples had a positive correlation, whereas the more degraded samples had a negative correlation. The observed patterns suggest a coupling between food web dynamics and particle composition on the one hand and availability of benthic fluff at the sediment surface on the other. The length of the period affected by fresh material could be sorted out by using the amino acid composition and be made comparable to samples influenced by more degraded material.

  • 21. Petersson, Mona
    et al.
    Lund-Hansen, Lars Chresten
    Nurjaya, Wayan
    Vertical sediment fluxes and wave induced sediment resuspension in a shallow water coastal lagoon1999In: Estuaries, ISSN 1559-2723, Vol. 22, no 1, p. 39-46Article in journal (Refereed)
    Abstract [en]

    The present study describes variations in the vertical fluxes measured concurrently with sediment traps at both a shallow water (4 m) and a deeper water (7.5 m) position in a coastal lagoon in April 1995. A tripod equipped with five sediment traps (trap openings at 0.35 m, 0.75 m, 1.05 m, 1.40 m, and 1.80 m above the seabed) was placed at the shallow water position. This tripod was deployed three times during the study period and deployment periods varied between 2 d and 5 d, The second sediment trap, placed at the deep water position in the central part of the lagoon, measured vertical flux for intervals of 12 h at 1.4 m above the seabed. The horizontal distance between the sediment traps was 8 km. The average maximum vertical flux at the shallow water position reached 27.9 g m(-2) d(-1) during a period of high, westerly wind speeds, and a maximum vertical flux of 16.9 g m(-2) d(-1) was reached at the deep water position during a period of high, easterly wind speeds. Both strong resuspension events were closely related to increased wave shear stress derived from surface waves. Maximum wave-induced resuspension rate was 10 times higher at the shallow water position and 3.8 times higher at the deep water position compared with the net sedimentation rate in the lagoon. Small resuspension events occurred at the shallow water position during periods of increased current shear stress. Estimations of conditions for transport of sediment between shallow water and deep water showed that particles must be resuspended to a height between 3 m and 4 m and that current speeds must be higher than about 0.1 m s(-1). An average sedimentation rate of 3.8 g m(-2) d(-1) was obtained at the shallow water position during a period without wave shear stress and low current shear stress. This rate measured by sediment traps is similar to a net sedimentation rate in the lagoon of 4.4 g m(-2) d(-1), which was determined by radiocarbon dating of a sediment core (Kristensen et al. 1995).

  • 22.
    Rytkönen, Paulina
    et al.
    Södertörn University, School of Social Sciences, Business Studies.
    Petersson, Mona
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    I’m a vegan! Student’s perception of the Anthropocene and pedagogical challenges in a university “food” course2021In: Nordic Association for Food Studies Workshop 2020: Foodways at a crossroads: Sustainability, Gastronomy and Rethinking the traditions of how to Eat / [ed] Julia Carrillo; Kajsa Hult; Inger M. Jonsson; Henrik Scander; Lotte Wellton, Örebro: Örebro University , 2021, p. 39-41Conference paper (Other academic)
    Abstract [en]

    This conference paper highlights the unanticipated conflicts and pedagogical challenges  arisen in a university 'food course'. Students are active in their critique against the subordinated role of animalsin the Anthropocene. In society, such views are limited to a small share ofthe population (24 % vegetarians and 1 % vegans in Sweden in 2018) and there are few arenas where ‘the vegan point of view’ can be included in the efforts to improve sustainability in the food industry. The course offered anopportunity to understand veganism and how to overcome the lack of dialogue between vegans and non-vegans in society, especially since 30 percent of the students are vegans and the rest are sympathetic to vegan ideals. Our main conclusion is that the challenges experienced during the course, especially concerning the normative aspects of veganism can contribute to the development of better didactic and pedagogical approaches for a changing society in which a higher awareness of ethical andenvironmental aspects are needed. 

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