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  • 1.
    Albert, Séréna
    et al.
    Stockholm University, Sweden.
    Hedberg, Per
    Stockholm University, Sweden .
    Motwani, Nisha H.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Sjöling, Sara
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Winder, Monika
    Stockholm University, Sweden.
    Nascimento, Francisco J A
    Stockholm University, Sweden.
    Phytoplankton settling quality has a subtle but significant effect on sediment microeukaryotic and bacterial communities2021Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 11, nr 1, artikkel-id 24033Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    In coastal aphotic sediments, organic matter (OM) input from phytoplankton is the primary food resource for benthic organisms. Current observations from temperate ecosystems like the Baltic Sea report a decline in spring bloom diatoms, while summer cyanobacteria blooms are becoming more frequent and intense. These climate-driven changes in phytoplankton communities may in turn have important consequences for benthic biodiversity and ecosystem functions, but such questions are not yet sufficiently explored experimentally. Here, in a 4-week experiment, we investigated the response of microeukaryotic and bacterial communities to different types of OM inputs comprising five ratios of two common phytoplankton species in the Baltic Sea, the diatom Skeletonema marinoi and filamentous cyanobacterium Nodularia spumigena. Metabarcoding analyses on 16S and 18S ribosomal RNA (rRNA) at the experiment termination revealed subtle but significant changes in diversity and community composition of microeukaryotes in response to settling OM quality. Sediment bacteria were less affected, although we observed a clear effect on denitrification gene expression (nirS and nosZ), which was positively correlated with increasing proportions of cyanobacteria. Altogether, these results suggest that future changes in OM input to the seafloor may have important effects on both the composition and function of microbenthic communities.

    Fulltekst (pdf)
    fulltext
  • 2.
    Asghar, Naveed
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Biologi. Örebro universitet.
    Lee, Yi-Ping
    Umeå universitet.
    Nilsson, Emma
    Umeå universitet.
    Lindqvist, Rickard
    Umeå universitet.
    Melik, Wessam
    Örebro universitet.
    Kröger, Andrea
    6Helmholtz Centre for Infection Research, Braunschweig, Germany / University of Magdeburg, Magdenbrug, Germany.
    Överby, Anna K.
    Umeå universitet.
    Johansson, Magnus
    Örebro universitet.
    The role of the poly(A) tract in the replication and virulence of tick-borne encephalitis virus2016Inngår i: Scientific Reports, E-ISSN 2045-2322, nr 6, artikkel-id 39265Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The tick-borne encephalitis virus (TBEV) is a flavivirus transmitted to humans, usually via tick bites. The virus causes tick-borne encephalitis (TBE) in humans, and symptoms range from mild flu-like symptoms to severe and long-lasting sequelae, including permanent brain damage. It has been suggested that within the population of viruses transmitted to the mammalian host, quasispecies with neurotropic properties might become dominant in the host resulting in neurological symptoms. We previously demonstrated the existence of TBEV variants with variable poly(A) tracts within a single blood-fed tick. To characterize the role of the poly(A) tract in TBEV replication and virulence, we generated infectious clones of Torö-2003 with the wild-type (A)3C(A)6 sequence (Torö-6A) or with a modified (A)3C(A)38 sequence (Torö-38A). Torö-38A replicated poorly compared to Torö-6A in cell culture, but Torö-38A was more virulent than Torö-6A in a mouse model of TBE. Next-generation sequencing of TBEV genomes after passaging in cell culture and/or mouse brain revealed mutations in specific genomic regions and the presence of quasispecies that might contribute to the observed differences in virulence. These data suggest a role for quasispecies development within the poly(A) tract as a virulence determinant for TBEV in mice.

  • 3.
    Blom, Eva-Lotta
    et al.
    University of Gothenburg.
    Kvarnemo, Charlotta
    University of Gothenburg.
    Dekhla, Isabelle
    University of Gothenburg.
    Schöld, Sofie
    University of Gothenburg.
    Andersson, Mathias H.
    Swedish Defence Research Agency.
    Svensson, Ola
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Matematikens didaktik. University of Gothenburg.
    Amorim, M Clara P
    ISPA-Instituto Universitário, Lisboa, Portugal; Universidade de Lisboa, Lisboa, Portugal.
    Continuous but not intermittent noise has a negative impact on mating success in a marine fish with paternal care2019Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 9, nr 1, artikkel-id 5494Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Anthropogenic underwater noise is a global pollutant of increasing concern but its impact on reproduction in fish is largely unknown. Hence, a better understanding of its consequences for this important link to fitness is crucial. Working in aquaria, we experimentally tested the impact of broadband noise exposure (added either continuously or intermittently), compared to a control, on the behaviour and reproductive success of the common goby (Pomatoschistus microps), a vocal fish with exclusive paternal care. Compared to the intermittent noise and control treatments, the continuous noise treatment increased latency to female nest inspection and spawning and decreased spawning probability. In contrast, many other female and male pre-spawning behaviours, and female ventilation rate (proxies for stress levels) did not differ among treatments. Therefore, it is likely that female spawning decisions were delayed by a reduced ability to assess male acoustic signals, rather than due to stress per se and that the silent periods in the intermittent noise treatment provided a respite where the females could assess the males. Taken together, we show that noise (of similar frequency range as anthropogenic boat noise) negatively affects reproductive success, particularly under a continuous noise exposure.

    Fulltekst (pdf)
    Continuous but not intermittent noise has a negative impact on mating success in a marine fish with paternal care
  • 4.
    Dahl, Martin
    et al.
    Stockholm University.
    Asplund, Maria E
    University of Gothenburg.
    Björk, Mats
    Stockholm University.
    Deyanova, Diana
    Stockholm University / University of Gothenburg.
    Infantes, Eduardo
    University of Gothenburg / Norwegian Institute for Water Research (NIVA), Oslo, Norway.
    Isaeus, Martin
    AquaBiota Water Research, Stockholm, Sweden.
    Nyström Sandman, Antonia
    AquaBiota Water Research, Stockholm, Sweden.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap. Stockholm University / University of Gothenburg.
    The influence of hydrodynamic exposure on carbon storage and nutrient retention in eelgrass (Zostera marina L.) meadows on the Swedish Skagerrak coast2020Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 10, nr 1, artikkel-id 13666Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Cold-temperate seagrass (Zostera marina) meadows provide several important ecosystem services, including trapping and storage of sedimentary organic carbon and nutrients. However, seagrass meadows are rapidly decreasing worldwide and there is a pressing need for protective management of the meadows and the organic matter sinks they create. Their carbon and nutrient storage potential must be properly evaluated, both at present situation and under future climate change impacts. In this study, we assessed the effect of wave exposure on sedimentary carbon and nitrogen accumulation using existing data from 53 Z. marina meadows at the Swedish west coast. We found that meadows with higher hydrodynamic exposure had larger absolute organic carbon and nitrogen stocks (at 0-25 cm depth). This can be explained by a hydrodynamically induced sediment compaction in more exposed sites, resulting in increased sediment density and higher accumulation (per unit volume) of sedimentary organic carbon and nitrogen. With higher sediment density, the erosion threshold is assumed to increase, and as climate change-induced storms are predicted to be more common, we suggest that wave exposed meadows can be more resilient toward storms and might therefore be even more important as carbon- and nutrient sinks in the future.

  • 5.
    Lee, Y.
    et al.
    University of Tokyo, Bunkyo-ku, Tokyo, Japan.
    Matsushima, N.
    University of Tokyo, Bunkyo-ku, Tokyo, Japan.
    Yada, S.
    KTH.
    Nita, S.
    University of Tokyo, Bunkyo-ku, Tokyo, Japan.
    Kodama, T.
    University of Tokyo, Bunkyo-ku, Tokyo, Japan.
    Amberg, Gustav
    Södertörns högskola. KTH.
    Shiomi, J.
    University of Tokyo, Bunkyo-ku, Tokyo, Japan.
    Revealing How Topography of Surface Microstructures Alters Capillary Spreading2019Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 9, nr 1, artikkel-id 7787Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Wetting phenomena, i.e. the spreading of a liquid over a dry solid surface, are important for understanding how plants and insects imbibe water and moisture and for miniaturization in chemistry and biotechnology, among other examples. They pose fundamental challenges and possibilities, especially in dynamic situations. The surface chemistry and micro-scale roughness may determine the macroscopic spreading flow. The question here is how dynamic wetting depends on the topography of the substrate, i.e. the actual geometry of the roughness elements. To this end, we have formulated a toy model that accounts for the roughness shape, which is tested against a series of spreading experiments made on asymmetric sawtooth surface structures. The spreading speed in different directions relative to the surface pattern is found to be well described by the toy model. The toy model also shows the mechanism by which the shape of the roughness together with the line friction determines the observed slowing down of the spreading.

  • 6.
    Ngisiange, Noah
    et al.
    Stockholm University, Sweden; Kenya Marine and Fisheries Research Institute, Kenya.
    Tarimo, Barnabas
    University of Dar es Salaam, Tanzania.
    Daudi, Lillian
    Kenya Marine and Fisheries Research Institute, Kenya.
    Mwangi, Stephen
    Kenya Marine and Fisheries Research Institute, Kenya.
    Malesa, Fadhili
    University of Dar es Salaam, Tanzania.
    George, Rushingisha
    Tanzania Fisheries Research Institute, Tanzania.
    Kyewalyanga, Margareth S
    University of Dar es Salaam, Tanzania.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Osore, Melckzedeck
    Kenya Marine and Fisheries Research Institute, Kenya.
    Mwaluma, James
    Kenya Marine and Fisheries Research Institute, Kenya.
    Winder, Monika
    Stockholm University, Sweden.
    Seasonal fish larvae abundance and composition in seagrass habitats of coastal East Africa2024Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 14, nr 1, s. 11203-, artikkel-id 11203Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Seagrass habitats play a major role in fisheries productivity through nursery functions and feeding grounds for diverse fish species. However, little is known about the seasonal distribution of fish larvae at large spatial scales in coastal East Africa. We investigated drivers of the seasonal fish larvae abundance and composition in seagrass habitats in Kenya and Tanzania. We found a high diversity of fish larvae (54 families) inhabiting seagrass habitats that differed between sites and seasons. Fish larvae abundance were highest in Kenya, particularly during the northeast monsoon season. Overall, total larval abundances per site were low, reaching less than 190 individuals/100 m3 in Kenya and less than 40 individuals/100 m3 in Tanzania, likely related to the low productivity and strong hydrodynamic processes in this region. Our data suggests that most of the fish spawn year-round in these tropical waters as we did not find strong seasonal patterns. All sites had a high relative abundance of larvae from demersal spawning fishes, indicating that many fish species move to coastal sites for spawning. Primary productivity and dissolved oxygen, driven by hydrodynamics conditions are positively related to fish larvae productivity both in Kenya and Tanzania. These findings indicate that the occurrence of both resident and transient fish larvae in seagrass meadows is driven by strong hydrodynamic and tidal processes that transport fish larvae across adjacent habitats.

  • 7.
    Perry, Diana
    et al.
    Swedish University of Agricultural Sciences, Sweden.
    Tamarit, Elena
    University of Gothenburg, Sweden.
    Sundell, Erika
    Swedish University of Agricultural Sciences, Sweden.
    Axelsson, Michael
    University of Gothenburg, Sweden.
    Bergman, Sanne
    UiT – the Arctic University of Norway, Norway.
    Gräns, Albin
    Swedish University of Agricultural Sciences, Sweden.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Sturve, Joachim
    University of Gothenburg, Sweden.
    Wennhage, Håkan
    Swedish University of Agricultural Sciences, Sweden.
    Physiological responses of Atlantic cod to climate change indicate that coastal ecotypes may be better adapted to tolerate ocean stressors2024Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 14, nr 1, artikkel-id 12896Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Healthy ecosystems and species have some degree of resilience to changing conditions, however as the frequency and severity of environmental changes increase, resilience may be diminished or lost. In Sweden, one example of a species with reduced resilience is the Atlantic cod (Gadus morhua). This species has been subjected to overfishing, and with additional pressures such as habitat degradation and changing environmental conditions there has been little to no recovery, despite more than a decade of management actions. Given the historical ecological, economical, and cultural significance of cod, it is important to understand how Atlantic cod respond to global climate change to recover and sustainably manage this species in the future. A multi-stressor experiment was conducted to evaluate physiological responses of juvenile cod exposed to warming, ocean acidification, and freshening, changes expected to occur in their nursery habitat. The response to single drivers showed variable effects related to fish biometrics and increased levels of oxidative stress dependent parameters. Importantly, two separate responses were seen within a single treatment for the multi-stressor and freshening groups. These within-treatment differences were correlated to genotype, with the offshore ecotype having a heightened stress response compared to the coastal ecotype, which may be better adapted to tolerate future changes. These results demonstrate that, while Atlantic cod have some tolerance for future changes, ecotypes respond differently, and cumulative effects of multiple stressors may lead to deleterious effects for this important species.

  • 8.
    Shen, Biao
    et al.
    Kyushu University, Fukuoka, Japan.
    Yamada, Masayuki
    Kyushu University, Fukuoka, Japan.
    Hidaka, Sumitomo
    Kyushu University, Fukuoka, Japan.
    Liu, Jiewei
    KTH.
    Shiomi, Junichiro
    University of Tokyo, Tokyo, Japan.
    Amberg, Gustav
    KTH.
    Do-Quang, Minh
    KTH.
    Kohno, Masamichi
    Kyushu University, Fukuoka, Japan.
    Takahashi, Koji
    Kyushu University, Fukuoka, Japan.
    Takata, Yasuyuki
    Kyushu University, Fukuoka, Japan.
    Early Onset of Nucleate Boiling on Gas-covered Biphilic Surfaces2017Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 7, artikkel-id 2036Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    For phase-change cooling schemes for electronics, quick activation of nucleate boiling helps safeguard the electronics components from thermal shocks associated with undesired surface superheating at boiling incipience, which is of great importance to the long-term system stability and reliability. Previous experimental studies show that bubble nucleation can occur surprisingly early on mixed-wettability surfaces. In this paper, we report unambiguous evidence that such unusual bubble generation at extremely low temperatures-even below the boiling point-is induced by a significant presence of incondensable gas retained by the hydrophobic surface, which exhibits exceptional stability even surviving extensive boiling deaeration. By means of high-speed imaging, it is revealed that the consequently gassy boiling leads to unique bubble behaviour that stands in sharp contrast with that of pure vapour bubbles. Such findings agree qualitatively well with numerical simulations based on a diffuse-interface method. Moreover, the simulations further demonstrate strong thermocapillary flows accompanying growing bubbles with considerable gas contents, which is associated with heat transfer enhancement on the biphilic surface in the low-superheat region.

  • 9.
    Stickley, Andrew
    et al.
    Södertörns högskola, Institutionen för samhällsvetenskaper, SCOHOST (Stockholm Centre for Health and Social Change). Kyoto University, Kyoto, Japan.
    Baburin, Aleksei
    National Institute for Health Development, Tallinn, Estonia.
    Jasilionis, Domantas
    Max Planck Institute for Demographic Research, Rostock, Germany; Vytautas Magnus University, Kaunas, Lithuania.
    Krumins, Juris
    University of Latvia, Riga, Latvia.
    Martikainen, Pekka
    Max Planck Institute for Demographic Research, Rostock, Germany; University of Helsinki, Helsinki, Finland; Centre for Health Equity Studies (CHESS), Stockholm University and Karolinska Institutet, Stockholm, Sweden.
    Kondo, Naoki
    Kyoto University, Kyoto, Japan; The University of Tokyo, Tokyo, Japan.
    Leinsalu, Mall
    Södertörns högskola, Institutionen för samhällsvetenskaper, Sociologi. Södertörns högskola, Institutionen för samhällsvetenskaper, SCOHOST (Stockholm Centre for Health and Social Change). National Institute for Health Development, Tallinn, Estonia.
    Macroeconomic changes and educational inequalities in traffic fatalities in the Baltic countries and Finland in 2000-2015: a register-based study2021Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 11, nr 1, artikkel-id 2397Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This study examined trends and inequalities in road traffic accident (RTA) mortality in the Baltic countries (Estonia, Latvia, Lithuania) and Finland in relation to large-scale macroeconomic changes in the 2000s. Educational inequalities in RTA mortality in 2000-2003, 2004-2007, 2008-2011 and 2012-2015 among 30-74 year olds were examined using census-linked longitudinal mortality data and by estimating the relative and slope index of inequality. Overall RTA mortality decreased substantially between 2000-2003 and 2012-2015. From 2004-2007 to 2008-2011, the RTA mortality decline accelerated but was larger in the Baltic countries. Among men the RTA mortality decline was mostly driven by a larger fall among the high and middle educated. Among women, the changes in RTA mortality by educational level had no clear pattern. From 2000-2003 to 2012-2015 relative educational inequalities in RTA mortality increased among men, although more in the Baltic countries. Among women the pattern was mixed across countries. Absolute inequalities fell in all countries among both sexes. Educational inequalities in male RTA mortality may be growing because of increasingly less access to safer cars and a more hazardous driving culture among the lower educated.

    Fulltekst (pdf)
    fulltext
  • 10.
    Stickley, Andrew
    et al.
    Södertörns högskola, Institutionen för samhällsvetenskaper, SCOHOST (Stockholm Centre for Health and Social Change). National Institute of Mental Health, Tokyo, Japan.
    Leinsalu, Mall
    Södertörns högskola, Institutionen för samhällsvetenskaper, Sociologi. Södertörns högskola, Institutionen för samhällsvetenskaper, SCOHOST (Stockholm Centre for Health and Social Change). National Institute for Health Development, Tallinn, Estonia.
    DeVylder, Jordan E
    Fordham University, New York City, NY, USA.
    Inoue, Yosuke
    University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
    Koyanagi, Ai
    Universitat de Barcelon, Barcelona, Spain / ICREA, Barcelona, Spain.
    Sleep problems and depression among 237 023 community-dwelling adults in 46 low- and middle-income countries2019Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 9, nr 1, artikkel-id 12011Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Sleep problems are considered a core symptom of depression. However, there is little information about the comorbidity of sleep problems and depression in low- and middle-income countries (LMICs), and whether sleep problems with depression confer additional risk for decrements in health compared to sleep problems alone. This study thus examined the association between sleep problems and depression and whether sleep problems with depression are associated with an increased risk for poorer health in 46 LMICs. Cross-sectional, community-based data from 237 023 adults aged ≥18 years from the World Health Survey (WHS) 2002-2004 were analyzed. Information on sleep problems (severe/extreme) and International Classification of Diseases 10th Revision depression/depression subtypes was collected. Multivariable logistic (binary and multinomial) and linear regression analyses were performed. Sleep problems were associated with subsyndromal depression (odds ratio [OR]: 2.23, 95% confidence interval [CI]: 1.84-2.70), brief depressive episode (OR = 2.48, 95% CI = 2.09-2.95) and depressive episode (OR = 3.61, 95% CI = 3.24-4.03). Sleep problems with depression (vs. sleep problems alone) conferred additional risk for anxiety, perceived stress and decrements in health in the domains of mobility, self-care, pain, cognition, and interpersonal activities. Clinicians should be aware that the co-occurrence of sleep problems and depression is associated with a variety of adverse health outcomes in LMICs. Detecting this co-occurrence may be important for treatment planning.

  • 11.
    Stickley, Andrew
    et al.
    Södertörns högskola, Institutionen för samhällsvetenskaper, SCOHOST (Stockholm Centre for Health and Social Change). Kyoto University, Kyoto, Japan; National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan.
    Neligan, Aidan
    Homerton University Hospital NHS Foundation Trust, UK; UCL Queen Square Institute of Neurology, UK.
    Baburin, Aleksei
    National Institute for Health Development, Tallinn, Estonia.
    Jasilionis, Domantas
    Max Planck Institute for Demographic Research, Rostock, Germany; Vytautas Magnus University, Kaunas, Lithuania.
    Krumins, Juris
    University of Latvia, Riga, Latvia.
    Martikainen, Pekka
    Max Planck Institute for Demographic Research, Rostock, Germany; University of Helsinki, Helsinki, Finland; Stockholm University, Stockholm, Sweden.
    Kondo, Naoki
    Kyoto University, Kyoto, Japan.
    Sumiyoshi, Tomiki
    National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan.
    Shin, Jae Il
    Yonsei University College of Medicine, Korea.
    Oh, Hans
    University of Southern California, USA.
    Waldman, Kyle
    Harvard University, Cambridge, MA, USA.
    Leinsalu, Mall
    Södertörns högskola, Institutionen för samhällsvetenskaper, SCOHOST (Stockholm Centre for Health and Social Change). National Institute for Health Development, Tallinn, Estonia.
    Educational inequalities in epilepsy mortality in the Baltic countries and Finland in 2000-20152022Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 12, nr 1, artikkel-id 4597Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Little is known about socioeconomic differences in epilepsy mortality. This study examined educational inequalities in epilepsy mortality in the general population in the Baltic countries and Finland in 2000-2015. Education-specific mortality estimates for individuals aged 30-74 in Estonia, Latvia and Lithuania were obtained from census-linked mortality datasets while data for Finland came from the register-based population and death data file of Statistics Finland. Trends and educational inequalities in epilepsy mortality were assessed using age-standardised mortality rates (ASMRs) per 100,000 person years and age-adjusted mortality rate ratios (RRs) calculated using Poisson regression. ASMRs were higher in men than women in all countries. ASMRs reduced in 2000-2015 among all men and women except for Finnish women. Among men, an inverse educational gradient in epilepsy mortality in 2000-2007 widened in 2008-2015 with ASMRs falling among high and mid educated men in all countries but increasing among low educated men in three countries. An inverse educational gradient in female mortality remained in all countries throughout 2000-2015. Although epilepsy mortality fell in the Baltic countries and Finland (men only) in 2000-2015, this masked a clear inverse educational gradient in mortality that became steeper across the period.

    Fulltekst (pdf)
    fulltext
  • 12.
    Stickley, Andrew
    et al.
    Södertörns högskola, Institutionen för samhällsvetenskaper, SCOHOST (Stockholm Centre for Health and Social Change). National Center of Neurology and Psychiatry, Japan; Kyoto University, Japan.
    Sumiyoshi, T.
    National Center of Neurology and Psychiatry, Japan.
    Kondo, N.
    Kyoto University, Japan.
    Leinsalu, Mall
    Södertörns högskola, Institutionen för samhällsvetenskaper, SCOHOST (Stockholm Centre for Health and Social Change). National Institute for Health Development, Estonia.
    Inoue, Y.
    National Center for Global Health and Medicine, Japan.
    Ruchkin, V.
    Uppsala University, Sweden; Sala Forensic Psychiatric Clinic, Sweden.
    Shin, J. I.
    Yonsei University College of Medicine, South Korea.
    McKee, M.
    London School of Hygiene & Tropical Medicine, UK.
    Psychological distress and voting behaviour in nine countries of the former Soviet Union2023Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 13, nr 1, artikkel-id 22709Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Poorer mental health is linked to a lower likelihood of voting in elections. However, little is known about this association in non-Western settings. This study examined the association between psychological distress and voting in nine countries of the former Soviet Union (FSU). Data were analysed from 18,000 respondents aged ≥ 18 in Armenia, Azerbaijan, Belarus, Georgia, Moldova, Kazakhstan, Kyrgyzstan, Russia and Ukraine collected during the Health in Times of Transition (HITT) survey in 2010/11. Information was collected on previous voting behaviour and future voting intentions. Psychological distress was assessed with a 12-item scale. In pooled multivariable logistic regression analyses psychological distress was significantly associated with ‘never voting’ (not having voted previously or intending to vote in future) and ‘past voting only’ (having voted previously but not intending to vote in future). In stratified analyses psychological distress was linked to never voting in women and working-age adults. The significant association between psychological distress and voting was observed only in hybrid political regimes. Psychological distress is associated with a reduced likelihood of voting in FSU countries especially among women, working-age adults and those in hybrid political regimes. 

  • 13.
    Tarimo, Barnabas
    et al.
    Stockholm University, Sweden; University of Dar Es Salaam, Zanzibar, Tanzania.
    Winder, Monika
    Stockholm University, Sweden.
    Mtolera, Matern S. P.
    University of Dar Es Salaam, Zanzibar, Tanzania.
    Muhando, Christopher A.
    University of Dar Es Salaam, Zanzibar, Tanzania.
    Gullström, Martin
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Seasonal distribution of fish larvae in mangrove-seagrass seascapes of Zanzibar (Tanzania)2022Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 12, nr 1, artikkel-id 4196Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Fish larvae supply in nearshore vegetated habitats, such as seagrass meadows and mangroves, contributes significantly to sustainable fish stocks. Yet, little information is available on distribution patterns of fish larvae in mangrove and seagrass habitats of the western Indian Ocean. The present study investigated the abundance, diversity and assemblage composition of fish larvae in mangrove creeks, inshore seagrass meadows (located adjacent to mangroves) and nearshore seagrass meadows (located in-between mangroves and coral reefs) in two coastal seascapes of Zanzibar (Tanzania) across seasons for 1 year. The highest mean abundances of fish larvae were recorded in mangrove creeks, while nearshore- and inshore seagrass meadows showed similar mean abundance levels. Generally, fish larvae representing 42 families were identified, with the fourteen most abundant families comprising 83% of all specimens. Fish larvae communities were dominated by specimens of the postflexion growth stage in all habitats, except in mangrove creeks in one of the two seascapes (i.e. Chwaka Bay) from April through June when abundances of the preflexion and very small-sized individuals were exceptionally high. Slightly higher fish larvae abundances were observed in mangroves during the southeast monsoon compared to the northeast monsoon, and there were also differences across months within monsoon periods for all three habitats studied. Assemblage composition of larvae did, however, not vary significantly in time or space. Our findings suggest that mangroves and seagrass meadows are highly linked shallow-water habitats with high retention of fish larvae contributing to similarity in assemblage compositions across shallow coastal seascapes. Conservation and management efforts should prioritize connected shallow-water seascapes for protection of fish larvae and to uphold sustainable coastal fisheries.

  • 14. Wang, Jiayu
    et al.
    Do-Quang, Minh
    KTH.
    Cannon, James J.
    University of Tokyo, Tokyo, Japan.
    Yue, Feng
    University of Tokyo, Tokyo, Japan.
    Suzuki, Yuji
    University of Tokyo, Tokyo, Japan.
    Amberg, Gustav
    KTH.
    Shiomi, Junichiro
    KTH.
    Surface structure determines dynamic wetting2015Inngår i: Scientific Reports, E-ISSN 2045-2322, Vol. 5, artikkel-id 8474Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Liquid wetting of a surface is omnipresent in nature and the advance of micro-fabrication and assembly techniques in recent years offers increasing ability to control this phenomenon. Here, we identify how surface roughness influences the initial dynamic spreading of a partially wetting droplet by studying the spreading on a solid substrate patterned with microstructures just a few micrometers in size. We reveal that the roughness influence can be quantified in terms of a line friction coefficient for the energy dissipation rate at the contact line, and that this can be described in a simple formula in terms of the geometrical parameters of the roughness and the line-friction coefficient of the planar surface. We further identify a criterion to predict if the spreading will be controlled by this surface roughness or by liquid inertia. Our results point to the possibility of selectively controlling the wetting behavior by engineering the surface structure.

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