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  • 251.
    Hagelin, Anna
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Calles, Olle
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Greenberg, Larry
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Nyqvist, Daniel
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Bergman, Eva
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    The Migratory Behaviour and Fallback Rate of Landlocked Atlantic Salmon (Salmo salar) in a Regulated River: does Timing Matter?2016In: Rivers Research and Applications: an international journal devoted to river research and management, ISSN 1535-1459, E-ISSN 1535-1467, Vol. 32, no 6, p. 1402-1409Article in journal (Refereed)
    Abstract [en]

    The behavior of early (June-July) and late (August-September) migrating, adult Atlantic salmon, in The River Klaralven, Sweden, was analyzed using radio telemetry. River Klaralven is a regulated river without functioning fishways, instead upstream migrating salmon are trapped and trucked past eight hydropower plants before released back to the river. We distinguished two parts of the spawning migration, that is, one part being the migration from the place where the fish was released to the spawning grounds. The other part was a holding phase on the spawning grounds with little or no movements before spawning. The late salmon spent less of their total time on holding, 36.2%, and more on migration, 63.8%, compared with early migrating salmon, which distributed their time rather evenly between migration, 47.5%, and holding, 52.5%. In total, early salmon used 30% more time migrating and 156% more time holding than late salmon. Some Atlantic salmon (Salmo salar) fell back over the hydropower plant after release and got excluded from spawning. The fallback rates of transported, tagged spawners were higher in the early than in the late group in both years. The fallback rate in 2012 was 42.8% of the early group and 15.1% in the late. In 2013, there were 51.7 % fallbacks in the early group and 3.4% in the late. The salmon fell back on average 9days after being released in 2012 and 16days in 2013. A high mean daily discharge on the day of release increased the probability of becoming a fallback. Copyright (c) 2016 John Wiley & Sons, Ltd.

  • 252.
    Hagelin, Anna
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Calles, Olle
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Greenberg, Larry
    Karlstad University, Faculty of Social and Life Sciences, Department of Biology.
    Piccolo, John J.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Bergman, Eva
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Spawning migration of wild and supplementary stocked landlocked atlantic salmon (Salmo Salar)2016In: Rivers Research and Applications: an international journal devoted to river research and management, ISSN 1535-1459, E-ISSN 1535-1467, Vol. 32, no 3, p. 383-389Article in journal (Refereed)
    Abstract [en]

    Upstream migration by adult salmonids is impeded by dams in many regulated rivers, as is the case for landlocked Atlantic salmon, Salmo salar, in the River Klarälven, Sweden. There, the salmon cannot reach the spawning grounds due to the presence of eight dams. Hence, hatchery-reared smolts are released downstream of the dams, and upstream migrating spawners are caught in a trap at the lowermost dam before transported by truck to the spawning grounds past the dams. To identify the spawning grounds and compare the behavior of wild and hatchery-reared Atlantic salmon during upstream migration and spawning, 34 wild and 28 hatchery-reared, radio-tagged Atlantic salmon were followed during their spawning migration from August to October 2011. Half (50%) of the hatchery fish, but only 11,8% of the wild fish ended up as fallbacks, i.e. they migrated past the first downstream power station, and did not spawn. A significantly higher proportion (21.4%) of hatchery- reared salmon moved in an erratic way, with several up and down stream movements, when compared to the wild salmon (5.9%). When looking at the salmon that stayed in the river (exc. fallbacks), wild individuals exhibited a holding behavior (little or no movements before presumed spawning) more often (86.7%) than the reared ones (50%). The wild salmon also held position (and presumably spawned) for longer time (25.4 days) than the reared salmon (16.1 days). Reared salmon held position, on average, 10 km further upstream than wild salmon, passing the presumed best-quality spawning habitat. The migration speed (average 17.4 km/day) between two logger stations did not differ between wild and reared fish or between sexes. Our results suggest that the reproductive success of hatchery-reared Atlantic salmon is relatively low and their capacity as supplementary spawners to the wild population in the Klarälven, is probably small.

  • 253.
    Hagelin, Anna
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Museth, Jon
    Norsk institutt for naturforskning NINA.
    Greenberg, Larry
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Kraabol, Morten
    Multiconsult.
    Calles, Olle
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Bergman, Eva
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Upstream fishway performance by Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) spawners at complex hydropower dams –is prior experience a success criterion?Manuscript (preprint) (Other academic)
    Abstract [en]

    Passage of hydropower plants by upstream-migrating salmonid spawners is associated with increased mortality, delays, injuries and reduced migration success, and consequently the need for a more comprehensive understanding of fish behavior downstream of dams is widely recognized. Studies of passage typically involve tagging fish, and in many cases, the fish used in these studies are caught in the fishways, and hence have prior experience negotiating them. In this study, we studied fishway passage of tagged landlocked Atlantic salmon (Salmo salar) in the River Klarälven, Sweden and brown trout (Salmo trutta) in the River Gudbrandslågen, Norway, and the influence of prior experience on passage success in 2012 and 2013. In the River Klarälven, fishway efficacy varied from 18 (2012) to 88% (2013). Most salmon (81%) entered the fishway trap on days without spill, and salmon moved from the turbine area to the spill zone when there was spill, with small individuals showing a stronger reaction than large fish. Analysis of fish with and without prior trap experience showed that a higher percentage of the “naïve” fish (70% of salmon and 43% of the trout) entered the fishway traps than the “experienced” ones (25% of the salmon and 15 % of the trout). Delays for fish that entered the trap ranged from 3-70 days for salmon and 2-47 days for trout, and there was no difference in median delay between naïve and experienced fish for each species. Manual positioning of radio-tagged salmon revealed that 11% of the naïve fish and 50% of the experienced fish ceased migration after tagging and release. In addition, a greater percentage of the salmon that were captured, marked and released in the lake attempted to enter the fishway (70%) than lake-caught salmon that were also transported 10km to the stream before release (33%). The data based on manual positioning and lake caught salmon indicate that differences in behavior of naïve and experienced individuals are likely stress-related. Moreover, our results suggest that estimates of fishway efficacy using fish with prior fishway experience may be biased, and based on our study, efficacy is underestimated.

  • 254.
    Hallbäck, Christoffer
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Inmätning och utvärdering av potentiellt habitat för Dendrocopos leucotos vid Erken: Mätning och beräkning av mängden levande och döda lövträd.2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The white-backed woodpecker has been a highly threatened in Sweden since 1970 due to drastically changed habitats as a result from industrialized forestry methods with a high focus on conifers. Today there are only 2 known breeding pairs left at Dalälven in Sweden. Compared to Finland and Latvia the white-backed woodpecker exhibits a strong presence with large populations as the forestry industry in these countries differs from Sweden in terms of what type of trees they use and how they manage dead wood. The purpose of this study is to assess whether an area at lake Erken’s northern shore called Hasselhorn in Stockholm County achieves the guidelines determined by Naturvårdsverket. Naturvårdsverket has determined that the white-backed woodpecker at least need 20m3/ha dead deciduous trees in a habitat and an average age of >80 years to be considered as an optimal area for the white-backed woodpecker. The focus area was localized with IR-images to determine an area rich with deciduous trees and an area of 100ha was drafted. Sixty sample points were randomized in the area. All living and dead trees at each points were measured with a tree caliper and clinometer to determine the amount of wood in m3/ha. Age was determined visually for each sample point. The study showed that Hasselhorn currently does no achieve the optimal status for all parameters in the study to make it a suitable habitat for the white-backed woodpecker. On the other hand, the area does meet the guideline set by Naturvårdsverket of more than 20m3/ha dead deciduous wood and more than 75% deciduous trees in the area, however it does not show an average age of >80 years. Species distribution of living deciduous trees exhibits large volumes of aspen, which is considered to be a main source of food since they contain the type of bugs preferred by the white-backed woodpecker. With the right conservation methods, the study shows that Hasselhorn can become a viable habitat for the white-backed woodpecker in the near future.

  • 255.
    Halvorsen, Tor
    et al.
    Universitetet i Bergen.
    Ibsen, HildeKarlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).M´kumbuzi, Vyvienne RPUniversity of Malawi.
    Knowledge for a sustainable world: A Southern African-Nordic contribution2015Collection (editor) (Refereed)
  • 256.
    Hansen, Joan H.
    et al.
    Technical University of Denmark.
    Skov, Christian
    Technical University of Denmark.
    Baktoft, Henrik
    Technical University of Denmark.
    Brönmark, Christer
    Lund University.
    Chapman, Ben B.
    University of Manchester.
    Hulthén, Kaj
    Lund University.
    Hansson, Lars-Anders
    Lund University.
    Nilsson, Per Anders
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013). Lund University.
    Brodersen, Jakob
    EAWAG Swiss Federal Institute of Aquatic Science and Technology, University of Bern.
    Ecological consequences of animal migration: Prey partial migration affects predator ecology and prey communities2019In: Ecosystems (New York. Print), ISSN 1432-9840, E-ISSN 1435-0629, p. 1-15Article in journal (Refereed)
    Abstract [en]

    Patterns of animal migration and the ecological forces that shape them have been studied for centuries. Yet ecological impacts caused by the migration, such as altered predator–prey interactions and effects on community structure, remain poorly understood. This is to a large extent due to the scarcity of naturally replicated migration systems with negative controls, that is, ecosystems without migration. In this study, we tested whether partial migration of certain species within the overall prey community affects foraging ecology of top predators and thereby alters energy pathways in food webs. We carried out the study in independent replicated freshwater lake systems, four with and four without opportunity for prey migration. Specifically, we compared predator foraging mode in lakes where cyprinid prey fish perform seasonal partial migrations into connected streams with lakes lacking migratory opportunities for prey fish. We found clear seasonal bottom-up effects of prey migration on predators, including changes in size structure and total biomass of ingested prey, size-specific changes in littoral versus pelagic origin of diet, and a higher degree of feast-and-famine for predators in systems with migratory prey. Our analyses further showed that partially migratory prey species constitute a larger part of the prey community in systems that allow migration. Hence, prey migrations have important implications for predator foraging ecology and may cause seasonal shifts in the importance of their supporting energy pathways. We suggest that such bottom-up effects of partial migration may be a widespread phenomenon both in aquatic and in terrestrial ecosystems. © 2019, Springer Science+Business Media, LLC, part of Springer Nature.

  • 257.
    Hansson, Emma
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Dominans hos juvenila lax (Salmo salar L.): betydelsen av rommens inkuberingstemperatur2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The Earth's temperature is predicted to increase by 3-5 °C, the warmer climate is expected to have major effects on aquatic ectotherms. Water temperature is an important environmental factor as it has indirect and direct effects on morphological traits and behaviour of salmonid fishes. Studies have shown that salmon whose eggs have been incubated at higher water temperatures grow faster and have lower metabolic rates than those incubated in colder water temperatures. Metabolic rates and changes in growth may affect behaviour such as dominance and aggression. Salmon that had been incubated in natural temperatures (cold) and elevated temperatures (warm) were studied to investigate if there were any differences in aggression and dominance between treatment groups. The results showed that there was no significant difference between individuals experiencing different temperature treatments during embryogenesis in terms of dominance and aggressive behaviours. However, temperature during embryogenesis may impact other types of behaviour and characteristics of salmonids. Since previous studies have shown that a lower metabolic rate affects fish behaviour, other factors may have a greater influence on temperature.

  • 258.
    Hansson, Martin
    et al.
    Lunds universitet.
    Nilsson, Pia
    Arkeologerna, Statens historiska museer.
    Svensson, Eva
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    De obesuttnas arkeologi och  kulturarv (ca. 1700-1900)2018In: META H : historiskarkeologisk tidskrift, ISSN 2002-0406Article in journal (Refereed)
    Abstract [en]

    This paper aims to present a recently started project about the heritage of subaltern people in Sweden. In the paper we focus on the parts of the project that concerns the rural history of the 18th and 19th centuries, especially crofters. The background to the project is the introduction of major changes in the Swedish Historic Environments Act in 2014. A radical novelty is that remains of human activity and buildings executed before AD 1850 now are legally protected sites. With this change a large number of remains, including hitherto un- or underresearched types, are to be included in heritage management, conservation and rescue archaeology. Here we present the background and starting points of the project, in order to show the potential of archaeological studies of landless subalterns in rural areas.

  • 259.
    Hansson, Martin
    et al.
    Lund University.
    Nilsson, Pia
    The National Historical Museum, Linköping.
    Svensson, Eva
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Invisible and Ignored: The Archaeology of Nineteenth-Century Subalterns in Sweden2019In: International Journal of Historical Archaeology, ISSN 1092-7697, E-ISSN 1573-7748, p. 1-21Article in journal (Refereed)
    Abstract [en]

    This paper aims to discuss subalterns in different social environments in Sweden. Thepotential of archaeological studies of landless subalterns in rural and urban areas areshown though a number of case studies. It is argued that archaeology can show themultivocality of the lives of the subalterns, in the same way as it shows how thesubalterns organized their daily life. This is done through the use of the concepts ofmatterscape, powerscape, and mindscape. The subalterns used the physical landscape(matterscape) according to prevailing norms and power structures (powerscape), thuscreating a perceptive understanding of their daily landscape (mindscape).

  • 260.
    Haque, M. Atiqul
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013). Dhaka, Bangladesh.
    Janson, Staffan
    Uppsala Univ, Uppsala.
    Moniruzzaman, Syed
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Public Safety (from 2013). Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Mashreky, Saidur Rahman
    Dhaka, Bangladesh.
    Rahman, Fazlur, A. K. M.
    Dhaka, Bangladesh.
    Islam, Syed Shariful
    Dhaka, Bangladesh.
    Eriksson, Ulla-Britt
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Children'S Exposure To Physical Abuse From A Child Perspective-A Population Based Study In Rural Bangladesh2018In: Injury Prevention, ISSN 1353-8047, E-ISSN 1475-5785, Vol. 24, p. A107-A107, article id PW 2708Article in journal (Refereed)
  • 261.
    Haque, M. Atiqul
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Janson, Staffan
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Moniruzzaman, Syed
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Rahman, A. K. M. F.
    Ctr Injury Prevent & Res Bangladesh, Dhaka, Bangladesh.
    Mashreky, S. R.
    Ctr Injury Prevent & Res Bangladesh, Dhaka, Bangladesh.
    Eriksson, Ulla-Britt
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Bangladeshi school-age children's experiences and perceptions on child maltreatment: A qualitative interview study2017In: Child Care Health and Development, ISSN 0305-1862, E-ISSN 1365-2214, Vol. 43, no 6, p. 876-883Article in journal (Refereed)
    Abstract [en]

    BackgroundChild maltreatment (CM) is a public health problem and is recognized as a huge barrier for child development. Most of the research and definitions on CM are from the perspective of high-income western countries. Because no major studies have been conducted on CM in Bangladesh, the aim of the current study was to explore the experiences of and perceptions on CM in school-age children in rural and urban Bangladesh in order to understand maltreatment in a local context and from a child perspective. MethodsSemistructured individual interviews with 24 children (13 boys and 11 girls), between the ages of 9 and 13years of which 11 were schoolgoing and 13 non-schoolgoing, were conducted during July 2013 and analysed according to qualitative content analysis. ResultsCM was a common and painful experience with serious physical and emotional consequences but highly accepted by the society. Vulnerable groups were especially young children, girls, and poor children. The children's voices were not heard due to their low status and low position in their families, schools, and working places. The main theme that emerged in the analysis was children's subordination, which permeated the five categories: (a) perception of children's situation in society, (b) understanding children's development and needs, (c) CM associated to school achievement, (d) negative impact of CM, and (e) emotional responses. ConclusionsDifferent kinds of abuse are obviously common in Bangladesh, and the schools do not follow the law from 2011 prohibiting corporal punishment at school. The society has to take further steps to live up to the UN Convention on the Rights of the Child, which was ratified already in 1990, to protect the Bangladeshi children from CM.

  • 262.
    Haque, M. Atiqul
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Janson, Staffan
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Moniruzzaman, Syed
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Rahman, A. K. M. Fazlur
    Dhaka, Bangladesh.
    Islam, Syed Shariful
    Dhaka, Bangladesh.
    Mashreky, Saidur Rahman
    Dhaka, Bangladesh.
    Eriksson, Ulla-Britt
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Children's exposure to physical abuse from a child perspective: A population-based study in rural Bangladesh2019In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 14, no 2, article id e0212428Article in journal (Refereed)
    Abstract [en]

    Background Although child physical abuse (CPA) is considered as a major global public health problem, it has not yet been recognized as such in Bangladesh. Very few studies have assessed the prevalence and victims' characteristics of multiple forms of CPA. Objective This population-based study assessed the prevalence of CPA committed by adults in a rural area of Bangladesh and examined its association with demographic and socio-contextual factors. Methods Data were obtained using ISPCAN Child Abuse Screening Tool for Children (ICAST-C) in a random sample of 1416 children (49% girls, 51% boys) aged 11 to 17 years by face-to-face interviews during March-April 2017. The response rate was 91.5%. To estimate predictors of CPA, physical abuse was categorized into frequent and less frequent groups. Results The prevalence of at least one form (>= 1), two forms (>= 2) and three or more forms (>= 3) of CPA were estimated approximately to 99%, 95% and 83% in their lifetime and 93%, 79%, and 57% in the past year respectively. Hitting (except on buttocks), standing/kneeling and slapping were the most common physical abuse whereas given drugs or alcohol, pinched, burned or scalded, beaten-up and locked up were less reported. Female children were faced severe forms of CPA more than that of males. Male children, younger age groups, witnessing adults using weapons at home, bullied by siblings and low level of maternal education were found to be significant risk factors for both >= 1 form and >= 2 forms of frequent CPA whereas adding also adult shouting in a frightening way was found as a significant risk factor for >= 2 forms of frequent CPA. Conclusion Self-reported prevalence of CPA is extremely common in the Bangladeshi rural society. The prevalence was associated with demographic and socio-contextual characteristics of the children such as being younger, witnessing domestic violence and maternal low education. The findings provide evidence to support parents and policy-makers to take effective measures to implement policy and programme on alternative up-bringing methods and creating awareness of negative effects of CM which in turn help Bangladesh to line up with UN Convention on the Rights of the Child, which the country signed in 1990.

  • 263.
    Haque, M. Atiqul
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Janson, Staffan
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013). Karlstad University, Division for Health and Caring Sciences. Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Department of Social and Psychological Studies (from 2013).
    Moniruzzaman, Syed
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Public Safety (from 2013). Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Rahman, AKM Fazlur
    Center for Injury Prevention and Research Bangladesh, House 162, Road 23, New DOHS, Mohakhali, Dhaka 1206, Bangladesh .
    Islam, Syed Shariful
    Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh.
    Mashreky, Saidur Rahman
    Center for Injury Prevention and Research Bangladesh, House 162, Road 23, New DOHS, Mohakhali, Dhaka 1206, Bangladesh .
    Eriksson, Ulla-Britt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Social and Life Sciences, Department of Social Studies. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Child maltreatment portrayed in Bangladeshi newspapersManuscript (preprint) (Other (popular science, discussion, etc.))
  • 264. Harms-Ringdahl, Lars
    et al.
    Bergqvist, Anders
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Strömgren, Mattias
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Säkerhetsutredningar av bränder: Fallstudier av ett stadsgasutsläpp i en lägenhet2013Report (Other academic)
  • 265.
    Hart, Paul BJ
    et al.
    Department of Biology, University of Leicester, Leicester LE1 7RH, UK.
    Bergman, Eva
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Calles, Olle
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Eriksson, Stina
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Gustafsson, Stina
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Lans, Linnea
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Norrgård, Johnny R
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Piccolo, John J
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Rees, Nina
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Watz, Johan
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Österling, Martin
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Greenberg, Larry
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Familiarity with a partner facilitates the movementof drift foraging juvenile grayling (Thymallus thymallus) into a new habitatarea2014In: Environmental Biology of Fishes, ISSN 0378-1909, E-ISSN 1573-5133, Vol. 97, no 5, p. 515-522Article in journal (Refereed)
    Abstract [en]

    Preferring one social partner over another can enhance fitness. This paper reports that juvenile grayling were significantly more likely to enter and forage in new, upstream habitats when paired with familiar versus unfamiliar social partners. Fish paired with unfamiliar partners or when alone were more reluctant to enter the new area. The entry times for both fish in a familiar pair were significantly correlated, but uncorrelated for unfamiliar fish. These differences between familiars and unfamiliars were consistent over a 2-week period. Fish with familiar partners spent more time within three body lengths of each other than did those with unfamiliars. The results are discussed in relation to optimality models of drift foraging, which do not included sociality. It is suggested that the social dimension creates a more dynamic foraging response to variable environmental conditions and could have consequences for growth.

  • 266.
    Hattermann, D.
    et al.
    Liebig University, Giessen, Germany.
    Bernhardt-Römermann, M.
    University Jena, Jena, Germany.
    Otte, A.
    Liebig University, Giessen, Germany.
    Eckstein, Rolf Lutz
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Geese are overlooked dispersal vectors for vascular plants in archipelago environments2019In: Journal of Vegetation Science, ISSN 1100-9233, E-ISSN 1654-1103, Vol. 30, no 3, p. 533-541Article in journal (Refereed)
    Abstract [en]

    Question: We addressed the importance of gut-mediated dispersal by greylag geese for vascular plants in archipelago environments and asked: (a) What proportion of the local species pool is dispersed by geese? (b) Which plant traits characterize species dispersed by geese? (c) Which plant communities are likely to benefit from endozoochory by geese?. Location: Three Swedish Baltic archipelagos. Methods: Goose droppings were collected on 45 islands. Plants germinating from the droppings represent the endozoochorous species pool (ESP). On 108 islands, the presence of vascular plants was recorded in each habitat. These species represent the island species pool (ISP). Differences in functional traits between ESP and ISP were expressed as effect sizes and tested using meta-regressions. Using indicator species analyses and indicator species for managed semi-natural grasslands, we identified the primary habitats of the ESP. Results: Geese dispersed viable diaspores of 97 plant species, which represents 22% of the ISP. Most ESP species were typical for small islands. Geese dispersed a higher proportion of graminoids and less woody plants, higher proportions of chamaephytes and therophytes and less phanerophytes; annuals and bi-annuals were significantly overrepresented. On average, seed volume of the ESP was 95% smaller than that of the ISP. About 51% of all ESP species were dispersed in at least two archipelagos. Geese showed a bias towards species of rocky shore habitats. Conclusion: Geese potentially disperse large amounts of diaspores of many terrestrial island plant species. Through their feeding behaviour, geese select species with certain suites of traits from the regional species pool. Plant dispersal by geese may benefit plants species of rocky shores, but species of formerly managed semi-natural grasslands may also find refuge sites on epilittoral shores after goose-mediated dispersal. The relative importance of geese as dispersal vectors may increase under on-going land-use changes and cessation of grazing networks.

  • 267.
    Hattermann, Dirk
    et al.
    Justus Liebig University, Giessen, Germany.
    Bernhardt-Römermann, Markus
    Friedrich Schiller University , Jena, Germany.
    Otte, Annette
    Justus Liebig University, Giessen, Germany.
    Eckstein, Rolf Lutz
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    New insights into island vegetation composition and species diversity: Consistent and conditional responses across contrasting insular habitats at the plot-scale2018In: PLoS ONE, E-ISSN 1932-6203, Vol. 13, no 7, article id e0200191Article in journal (Refereed)
    Abstract [en]

    Most island-ecology studies focus on the properties of entire island communities, thus neglecting species-environment relationships operating at the habitat-level. Habitat-specific variation in the strength and sign of these relationships will conceal patterns observed on the island scale and may preclude a mechanistic interpretation of patterns and processes. Habitat-specific species-environment relationships may also depend on the descriptor of ecological communities. This paper presents a comprehensive plot-based analysis of local vegetation composition and species diversity (species richness and species evenness) of (i) rocky shore, (ii) semi-natural grassland and (iii) coniferous forest habitats in three Baltic archipelagos in Sweden. To identify differences and consistencies between habitats and descriptors, we assessed the relative contributions of the variable-sets “region”, “topography”, “soil morphology”, “soil fertility”, “soil water”, “light availability”, “distance” and “island configuration” on local vegetation composition, species richness and species evenness. We quantified the impact of “management history” on the descriptors of local grassland communities by a newly introduced grazing history index (GHI). Unlike species diversity, changes in vegetation composition were related to most of the variable-sets. The relative contributions of the variable-sets were mostly habitat-specific and strongly contingent on the descriptor involved. Within each habitat, richness and evenness were only partly affected by the same variable-sets, and if so, their relative contribution varied between diversity proxies. Across all habitats, soil variable-sets showed highly consistent effects on vegetation composition and species diversity and contributed most to the variance explained. GHI was a powerful predictor, explaining high proportions of variation in all three descriptors of grassland species communities. The proportion of unexplained variance was habitat-specific, possibly reflecting a community maturity gradient. Our results reveal that species richness alone is an incomplete representation of local species diversity. Finally, we stress the need of including habitat-based approaches when analyzing complex species-environment relationships on islands.

  • 268.
    Hedelin, Beatrice
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Complexity is no excuse: Introduction of a research model for turning sustainable development from theory into practice2019In: Sustainability Science, ISSN 1862-4065, E-ISSN 1862-4057, Vol. 14, no 3, p. 733-749Article in journal (Refereed)
    Abstract [en]

    An overarching research model is introduced here that can support research for turning sustainable development (SD) from theory into practice. The model describes how existing and future theories, and empirical knowledge related to SD can be utilised to establish explicit linkages—steps—between fundamental SD principles and specific studied practices. The research model is intended to support planning, design and communication of a range of research endeavours such as individual studies, larger projects and research programmes. It internalises a number of insights from the current stock of SD literature such as explicitly linking local solutions to general SD principles, the need to embrace complexity and to use theory, the need for interdisciplinarity, and acknowledging SD as both substance and process. The model and its utilisation are explained and illustrated here by reference to a research example from river basin planning. The model is a critical and constructive attempt to establish structure and strategy in relation to the overwhelming complexity of the sustainability challenge—a challenge which urgently calls for reflective and effective research approaches.

  • 269.
    Hedelin, Beatrice
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Further development of a sustainable procedure framework for strategic natural resources and disaster risk management2015In: Journal of Natural Resources Policy Research, ISSN 1939-0459, E-ISSN 1939-0467, Vol. 7, no 4, p. 247-266Article in journal (Refereed)
    Abstract [en]

    A sustainable procedure can be described as a political conversation about desirable futures informed by scientific knowledge from a broad range of disciplines that are effectively integrated, and by the knowledge and perspectives of the concerned actors. A theoretical framework that defines what an integrated and participatory procedure implies has been successfully applied in the fields of strategic natural resources and disaster risk management (NRM and DRM). With a focus already on disciplinary integration, value integration, participation and democracy, the framework is here developed further with respect to organizational issues, such as coordination and collaboration among organizations of different types at different scales and with different mandates and incentives. The study thus establishes a new integrated approach to systematized scientific knowledge in relation to the concept of sustainable development, via the sustainability principles of integration and participation – a theoretical baseline for the trans-disciplinary development of sustainable NRM and DRM procedures.

  • 270.
    Hedelin, Beatrice
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    The EU floods directive in Sweden: Opportunities for integrated and participatory flood risk planning2017In: Journal of Flood Risk Management, ISSN 1753-318X, E-ISSN 1753-318X, Vol. 10, no 2, p. 226-237Article in journal (Refereed)
    Abstract [en]

    This study analyses the implementation of the EU Floods Directive in Sweden. The question here centres on the possibilities promoted by the directive for sustainable flood risk management, with an emphasis on integrated and participatory management forms. Key persons are interviewed, using a set of criteria for sustainable river basin management as a theoretical framework. The study shows that work in this area is guided by a wide array of values, and that the involved experts provide a broad knowledge basis for this work. The need for better coordination between authorities, pieces of legislation and policy fields however remains critical while the merits of participatory planning approaches are not yet sufficiently utilised. One of the primary tasks here is to develop a shared understanding of the formal context and roles of the process while also developing forms for effective collaboration both within the new administration and between the administration and other key actors, most importantly the municipalities. The case of Sweden can provide useful insights into this process for other member states.

  • 271.
    Hedelin, Beatrice
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    The EU Floods Directive trickling down: Tracing the ideas of integrated and participatory flood risk management in Sweden2017In: Water Policy, ISSN 1366-7017, E-ISSN 1996-9759, Vol. 19, no 2, p. 286-303Article in journal (Refereed)
    Abstract [en]

    This study examines how the EU Floods Directive - an extensive and innovative legislative instrument for integrated and participatory flood risk planning in all EU member states - influences local flood risk management in one member state, Sweden. The study identifies that: many municipalities have received new knowledge; crosssectoral organisational structures for water and flood risk issues at the local level are being formed or strengthened; and the flood risk issue has been elevated up the political agenda. There are also however clear signs that a number of other fundamental issues are not being adequately addressed in the complex institutional setting that results from the directive's implementation. These issues are undoubtedly obstructing the development of a more integrated and participatory flood risk management system. Of key importance here are questions relating to how roles and mandates are communicated and adopted, the lack of coordination between the Floods Directive and the Water Framework Directive, and the inadequate involvement of the municipal level and other stakeholders. Practical recommendations on how to redirect development towards more positive outcomes in these areas are thus formulated.

  • 272.
    Hedelin, Beatrice
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013). Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety (from 2013).
    Evers, Mariele
    Bonn University, Germany.
    Alkan-Olsson, Johanna
    Lund University, Sweden.
    Jonsson, Anna
    Swedish Meteorological and Hydrological Institute, Sweden.
    Participatory modelling for sustainable development: Key issues derived from five cases of natural resource and disaster risk management2017In: Environmental Science and Policy, ISSN 1462-9011, E-ISSN 1873-6416, Vol. 76, p. 185-196Article in journal (Refereed)
    Abstract [en]

    Stakeholder participation is considered a key principle for sustainable development in the context of natural resource and disaster risk management. Participatory modelling (PM) is an interactive and iterative process in which stakeholder involvement is supported by modelling and communication tools. Planning and decision making for sustainable development (SD)integrate three substantive dimensions social, ecological and economic. The procedural dimension of SD, however, is equally important, and here we see great potential for PM. In this study, we evaluate five PM research projects against criteria for the procedural dimension of SD. This provides a basis for identifying key issues and needs for further research into PM for SD. While the cases show great potential, especially for supporting knowledge integration, learning and transparent handling of values and perspectives, they indicate a particular need to develop PM in respect of organizational integration. This issue is closely connected to the possibility of effectively implementing PM in practice.

  • 273.
    Hedelin, Beatrice
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Hjerpe, Mattias
    Linköpings universitet.
    Examining the benefits of collaboration: the Provider-User Matrix for collaborative flood risk management illustrated by the case of the Ljusnan River, Sweden2015In: Journal of Natural Resources Policy Research, ISSN 1939-0459, E-ISSN 1939-0467, Vol. 1, p. 53-69Article in journal (Refereed)
    Abstract [en]

    This paper examines the benefits of collaboration in flood risk management by introducing a Provider-User Matrix. The matrix is illustrated through a Swedish case of polycentric decision-making. In the Swedish case the users have not yet benefited from collaboration-benefits such as a more advanced understanding of the flood response system or from sharing detailed hydrological data; benefits that should be easily implemented. The Provider-User Matrix offers both a more holistic way to study benefits and a way to start raising the efficiency of collaboration, by identifying mismatches between the benefits provided and the benefits that users need.

  • 274.
    Hedgespeth, Melanie
    et al.
    Lund University.
    Nilsson, Per Anders
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013). Lund University.
    Berglund, Olof
    Lund University.
    Assessing potential vulnerability and response of fish to simulated avian predation after exposure to psychotropic pharmaceuticals2016In: Toxics, ISSN 2305-6304, Vol. 4, no 9Article in journal (Refereed)
    Abstract [en]

    Psychotropic pharmaceuticals present in the environment may impact organisms both directly and via interaction strengths with other organisms, including predators; therefore, this study examined the potential effects of pharmaceuticals on behavioral responses of fish to avian predators. Wild-caught juvenile perch (Perca fluviatilis) were assayed using a striking bird model after a seven-day exposure to psychotropic pharmaceuticals (the antidepressants fluoxetine or sertraline, or the -blocker propranolol) under the hypotheses that exposure would increase vulnerability to avian predation via increasing the probability of predator encounter as well as degrading evasive behaviors upon encounter. None of the substances significantly affected swimming activity of the fish, nor did they increase vulnerability by affecting encounter probability or evasive endpoints compared to control treatments. Counter to our expectations, fish exposed to 100 g/L fluoxetine (but no other concentrations or pharmaceuticals) were less likely to enter the open area of the arena, i.e., less likely to engage in risky behavior that could lead to predator encounters. Additionally, all fish exposed to environmentally relevant, low concentrations of sertraline (0.12 g/L) and propranolol (0.1 g/L) sought refuge after the simulated attack. Our unexpected results warrant further research as they have interesting implications on how these psychotropic pharmaceuticals may affect predator-prey interactions spanning the terrestrial-aquatic interface.

  • 275.
    Hellmann Hansen, Sascha
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Conditions for Urban Sustainability in South Africa: Waste management and everyday life practices2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The concentration of populations in urban areas is unprecedented, and cities will continue to grow. This increases pressure on cities to provide services for their growing populations, such as waste management. The Sustainable Development Goals, specifically SDG11, focuses on urbanisation: Make cities & human settlements inclusive, safe, resilient and sustainable. Target 11.6 proposes paying special attention to waste management. Waste generation is increasing due to changed patterns of consumption, and the planet is now facing a global waste crisis. Cities worldwide have to transition into waste smart entities by minimising and reducing waste for the sake of becoming sustainable, safe cities for their inhabitants.

     

    For South Africa, the challenge is not only linked to urbanisation and population growth. The country is named the most inequitable country in the world and faces a multifaceted challenge as they also battle resilient structures of the past.

     

    The purpose of this study is to identify obstacles and opportunities for transitioning to sustainable urban waste management in South Africa. To do so a methodology inspired by ethnography has been applied in order to uncover the everyday practices of people, as well as analysing the current plan for waste management. All data was interpreted through the lens of previous research on South African policy-making, and the theory of structuration was used to enable discussion on obstacles and opportunities for urban sustainability and waste management.

     

    Conclusively, the biggest obstacle for sustainable waste management is the inequality and exclusion from opportunities. This lack of opportunity means that citizens are first and foremost preoccupied with their day-to-day needs, such as job- and food security, leaving waste management further down the list. To get residents to care about waste livelihoods must be improved, and a path to inclusion and opportunity has to be found. The dire unequal terms of life for many citizens must be addressed in order to achieve the urban sustainability it strives for.

  • 276. Helmersson, Monica
    et al.
    Svensson, Eva
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Sammanställning av Arkeologiska rapporter angående undersökningar av medeltida lämningar i Värmlands län1996Report (Other academic)
  • 277.
    Henning, Linda
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Flytförmåga hos frön från växter i terrestra och semiakvatiska habitat2019Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesis
    Abstract [en]

    Previous studies have shown that the floating ability of seeds is related to morphological features. The floating ability of seeds could be important for dispersal and related to the species composition of plants along streams. The floating ability of seeds from five terrestrial and five semiaquatic plant species was tested in stagnant water under a period of 14 days. The hypothesis was that seeds from semiaquatic species would have better floating ability because they are more likely to rely on water for seed dispersal. The floating ability of each species was tested by placing 50 seeds in each of five plastic cups and then monitoring the seeds’ floating ability daily. I could not find support for my hypothesis as there was no significant difference in floating ability. There was a correlation between seed mass and buoyancy across all species, where seeds with low mass floated and heavier seeds sank. My experiment involved rather few species with seeds that varied a lot in form and weight. My results suggest that morphology influences the floating ability more than habitat.

  • 278.
    Henrik, Eriksson
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    NRTK-mätningar och kartering i Borgvik: En jämförelse mellan mätmetoderna snabbpunktsmätning och intervallmätning2015Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
  • 279.
    Henriksson Severin, Adrian
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013). Karlstad University, Faculty of Social and Life Sciences, Centre for Climate and Safety.
    Riskperception vs. beteende: En kvantitativ enkätstudie om riskperception och säkerhetsbeteende2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This study is based on theories of risk perception and Theory of Planned Behavior (TPB). The purpose of the study was to investigate individuals' risk perception and safety behavior in relation to traffic accidents, based on theories of risk perception and Theory of Planned Behavior (TPB). The survey also wanted to study whether risk perception and safety behavior vary depending on who is at risk of being exposed to the risk and who should perform a certain behavior. Furthermore, it is linked to background variables like gender and previous experiences. The study was conducted in Swedish context.

    The method was quantitative and data method was questionnaire. The survey was based on the theories and the investigation purpose. Furthermore, the survey was spread on Facebook and had a comfort check. In total, 102 people answered the questionnaire.

    The study found that past experience has a very small impact on individuals' risk perception of traffic accidents, both in terms of the individual's risk but also the risk for people in general. Gender, on the other hand, affects the individual's risk perception to a greater extent. Research also found that previous experiences have a very small impact on the safety behavior of individuals, both in terms of the risk of the individual's own behavior but also regarding the individual's requests for people in general. Furthermore, it has been shown that gender has an influence on safety behavior, both regarding the risk of the individual's own behavior, but also regarding the individual's requests for people in general. Finally, the study found that risk perception and behavior are not independent of each other where one is influenced by the other, but rather they depend on and affect each other.

    One note is that the study showed that laws can create a conscious security work. This means that the new law on mobile use when driving in Sweden is the right way to go to manifest safe behavior.

     

  • 280.
    Hogen, Joakim
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Public Safety. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Linn, Ekholm
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Public Safety. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Rolig lek eller blodigt allvar?: En kvalitativ studie av lekplatssäkerhetsarbete på kommunala lekplatser i Sverige2017Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Introduction: Injuries due to accidents are an underlying cause for a large proportion of the number of health care visits in Sweden every year. According to statistics from the National Board of Health and Welfare in Sweden (socialstyrelsen.se) between 1308,25 and 1405,66 health care visits per 100.000 residents are generated each year for the period 2001-2014 due to accidents, and falling is the largest underlying category. Falling can in turn be studied through a number of subcategories, where fall from equipment on playground is one of them, and this is the subcategory studied in this paper. Statistics from the National Board of Health and Welfare show an increase of the number of health care visits per 100.000 residents in Sweden due to this category during the period 2001-2014, despite the fact that since 1999 there are European standards with the purpose of raising the safety of playgrounds. The statistics also show that in Sweden there are large regional differences in injury prevalence for this category of accidents, which is the reason why this became the focus of this study.

     

    One of the reasons this is an important area for injury prevention work is that it’s a shared societal responsibility, another reason is that the studied population has the largest statistical life expectancy left, so injuries that affect their health can also affect the future wellbeing of the society.  The municipalities’ work regarding this area is dictated by European Standards to ensure the safety of playgrounds. Beyond the specifications for the equipment itself, the standards dictate that a series of inspections of varying degrees are preformed throughout the year to ensure the standards are met.

     

    Aim: The aim of this study is to examine if there are any identifiable and differing factors in the way that municipalities work with playgrounds and playground safety, both practically and theoretically, based on if they are located in a region with high injury prevalence or in a region with low injury prevalence of this type of injury.

     

    Method: The study was designed as a qualitative interview study where representatives of 11 different municipalities were interviewed with the purpose to map out how they worked with playgrounds and playground safety within their municipality. The data collected was then analysed using thematically/ phenomenological content analysis to see if any differing factors between the two groups could be detected.

     

    Results: No major unambiguous differences were discovered between the two compared groups included in the study, but certain tendencies could be found in the material. Four themes were uncovered, enabling factors for the practical work, hindering factors for the practical work, enabling factors for the theoretical work and hindering factors for the theoretical work. These themes in turn produce a number of categories and subcategories. The results show a wider range of both hindering and enabling factors of both the practical and theoretical work in the municipalities from regions with high injury prevalence, compared to the municipalities from regions with low injury prevalence.

     

    Conclusion: The result indicates that there are differences in how the municipalities from regions with low injury prevalence work regarding playground safety compared to municipalities from regions with high injury prevalence. However, further research will be required to fully uncover and explore which these factors are.

  • 281. Holm, Ingunn
    et al.
    Stene, KathrineSvensson, EvaKarlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Liminal landscapes: Beyond the concepts of 'marginality' and 'periphery'2008Conference proceedings (editor) (Refereed)
  • 282. Hulthén, K.
    et al.
    Chapman, B.B.
    Nilsson, Anders
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Vinterstare, J.
    Hansson, L-A.
    Skov, C.
    Brodersen, J.
    Baktoft, H.
    Brönmark, C.
    Escaping peril: perceived predation risk affects migratory propensity2015In: Biology Letters, ISSN 1744-9561, E-ISSN 1744-957X, Vol. 11, article id 20150466Article in journal (Refereed)
  • 283.
    Hulthén, Kaj
    et al.
    Lunds universitet.
    Chapman, Ben
    University of Manchester.
    Nilsson, Per Anders
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013). Lunds universitet.
    Hansson, Lars-Anders
    Lunds universitet.
    Skov, Christian
    Technical University of Denmark (DTU).
    Brodersen, Jakob
    EAWAG Swiss Federal Institute of Aquatic Science and Technology.
    Vimterstare, Jerker
    Lunds universitet.
    Brönmark, Christer
    Lunds universitet.
    A predation cost to bold fish in the wild2017In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 7, article id 1239Article in journal (Refereed)
  • 284.
    Hultman, Anja
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Fångsttrender i norra Vänern: Tidsserieanalyser av yrkesfiskets fångster med bottengarn, 1994–20162017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Vänern is a lake which has a naturally low concentration of nutrients and phosphorus. The depth and size of the lake results in many different habitats for animals and plants. Vänern was regulated in 1937, which has led to a significant reduction in water levels. Since 2008, the water level in the lake has been regulated to decrease the risk of floods. Due to the water regulations, and the reduced fluctuations in water levels, important processes in the ecosystem of Lake Vänern has changed. Spawning and nursery areas for fish have deteriorated which increases the risk for negative effects on habitats and species. During the 20th century the population of salmon and trout in Lake Vänern was substantially affected by water regulations and expansion of hydropower facilities and the fish populations are estimated to be weak. Today compensatory stocking of smolt is taking place in the lake. The commercial fishing in Lake Vänern is the most extensive commercial freshwater-fishery in the country and is regulated through the number of fishing licenses issued and by dispensations for the amount of fishing gear. To study the conditions and changes on the environment and assure a sustained fishing it is preferable to analyse long-term time-series data. The aim of this study is compile catch data from commercial pound net fishing in northern Vänern during the period 1994 – 2016 to be able to conduct a time series analysis to identify any rising or declining trends in fishing. The result of the time-series analyses showed a declining trend of CPUE (catch per unit effort) of the total catch in Kattfjorden and Hammarösjön, and a rising trend of CPUE of the total catch in Ölmeviken.

  • 285.
    Hunter, Aaron W.
    et al.
    Univ Tokyo, Dept Earth & Planetary Sci, Tokyo 1130033, Japan.;Nat Hist Museum, Dept Palaeontol, London SW7 5BD, England..
    Rees, Jan
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences. Karlstad Univ, Dept Biol, SE-65188 Karlstad, Sweden..
    A new echinoderm faunule from the Lower Jurassic (Pliensbachian) of southern Sweden2010In: Bulletin of the Geological Society of Denmark, ISSN 0011-6297, E-ISSN 2245-7070, Vol. 58, p. 67-73Article in journal (Refereed)
    Abstract [en]

    In Sweden, Jurassic echinoderms are extremely rare. This present study documents an Early Jurassic echinoderm assemblage collected from a temporary exposure near Helsingborg in Skane, southern Sweden, which includes a previously undescribed species of isocrinid crinoid, Isocrinus ranae sp. nov., and an acrosaleniid echinoid. The Swedish specimens demonstrate that even limited echinoderm material from small exposures can be assigned to a high systematic level and provide data of considerable significance to the evolution of the group as a whole.

  • 286.
    Hutchings, Jeffrey A.
    Dalhousie University, Canada; Flødevigen Marine Research Station, Norway; University of Agder, Norway.
    Barlaup, Björn T
    Norwegian Research Centre, Norway.
    Bergman, Eva
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Clarke, Keith D.
    Fisheries and Oceans Canad, Canada.
    Greenberg, Larry
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Lake, Colin
    Glenora Fisheries Station, Canada.
    Piironen, Jorma
    Natural Resources Institute Finland (Luke), Finland.
    Sirois, Pascal
    Université du Québec à Chicoutimi, Canada.
    Sundt-Hansen, Line E
    Université du Québec à Chicoutimi, Canada.
    Fraser, Dylan J.
    Concordia University, Canada.
    Life-history variability and conservation status of landlocked Atlantic salmon: an overview2019In: Canadian Journal of Fisheries and Aquatic Sciences, ISSN 0706-652X, E-ISSN 1205-7533, Vol. 76, no 10, p. 1697-1708Article in journal (Refereed)
    Abstract [en]

    Nonanadromous Atlantic salmon (Salmo salar) exhibit a combination of variation in life history, habitat, and species co-existence matched by few vertebrates. Distributed in eastern North America and northern Europe, habitat ranges from hundreds of metres of river to Europe’s largest lakes. As juveniles, those with access to a lake usually migrate to feed and grow prior to reproduction. Prey such as smelt (Osmerus mordax, Osmerus eperlanus) and vendace (Coregonus albula) facilitate large body size (50–85 cm at maturity) and persistence in high-diversity (>20 fish species) environments; small-bodied salmon (10–30 cm at maturity), relying on insects as prey, coexist with few (fewer than five) other fishes. At maturity, weight varies more than 400-fold (17 to 7200 g) among populations, fecundity more than 150-fold (33 to 5600), and longevity almost fivefold (3 to 14 years). Landlocked salmon are managed to support sustainable fishing, achieve conservation and restoration targets, and mitigate threats; successes are evident but multiple challenges persist. Extraordinary variability in life history coupled with extensive breadth of habitat and species co-existence render landlocked Atlantic salmon singularly impressive from a biodiversity perspective.

  • 287.
    Ibsen, Hilde
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    "Nothing for us without us": Kayamandi "sweet home"2016Conference paper (Other academic)
  • 288.
    Ibsen, Hilde
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    South Africa as a democratic developmental state: From visions in Pretoria to realities in the Eastern Cape2015In: The democratic developmental state.: Southern African and Nordic Experiences, Cape Town February 9-11, 2015, 2015Conference paper (Refereed)
  • 289.
    Ibsen, Hilde
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    The end of poverty: Black women´s entry to the middle class in South Africa2015Other (Refereed)
  • 290.
    Ibsen, Hilde
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Towards a people driven approach to development: Lessons learnt from Cradock in the Eastern Cape, South Africa2017In: Proceedings to the 2017 SANORD conference, 2017Conference paper (Refereed)
  • 291.
    Ibsen, Hilde
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Walk the talk for sustainable everyday life: Experiences from eco-village living in Sweden2010In: Environmental Policy and Household Behaviour: Sustainability and Everyday Life / [ed] Patrik Söderholm, London: Earthscan Publications Ltd., 2010, 1, p. 262-Chapter in book (Refereed)
  • 292.
    Ibsen, Hilde
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Engel-Hills, Penelope
    Cape Peninsula of Technology.
    "Thinking through methods": Participatory health research for well-being2017In: Proceedings to the 2017 SANORD conference, 2017Conference paper (Refereed)
  • 293.
    Ibsen, Hilde
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Halvorsen, TorUniversitetet i Bergen.Evans, Henri-CountUniversity of Kwa-Zulu-Natal.Penderis, SharonThe University of the Western Cape.
    Knowledge for justice: Critical perspectives from southern African-Nordic research partnerships2017Collection (editor) (Refereed)
  • 294.
    Ibsen, Hilde
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Penderis, Sharon
    University of the Western Cape.
    Universities and research for a South African democratic developmental state2018In: Proceedings to the CROP/UWC conference on Perspectives on the democratic developmental stat, 2018Conference paper (Refereed)
  • 295.
    Ibsen, Hilde
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Penderis, Sharon
    University of the Western Cape.
    Bengtsson, Karin
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Department of Educational Studies (from 2013).
    To fit or not to fit, is that the question?: Global goals, basic education and theories of knowledge in South Africa and Sweden2017In: Knowledge for justice: Critical perspectives from southern African-Nordic research partnership / [ed] Tor Halvorsen, Hilde Ibsen, Henri-Count Evans, Sharon Penderis, Cape Town: African Mind , 2017, p. 93-114Chapter in book (Refereed)
  • 296.
    Ibsen, Hilde
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    Penderis, Sharon
    University of the Western Cape.
    Bengtsson, Karin
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Department of Educational Studies (from 2013).
    To fit or not to fit, is that the question?: People centred development, indigenous knowledge and higher education institutions2015Conference paper (Other academic)
  • 297.
    Iserell, Vladimir
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences (from 2013).
    En trygg stad?: Stockholmarnas riskuppfattning, anno 20162017Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    The thesis studies how perceived risks affect the daily life of inhabitants of Stockholm, Sweden. The study was conducted through qualitative method and an inductive approach was selected by the author. 24 interviews with Stockholmers were conducted within the framework of the projects. These through the means of content analysis processed interviews were used as a basis for the conclusions presented in the study. The thesis considers the ambiguity in the question of perception of environment and the security/safety thereof, which characterises the existence of Stockholmers. The ambiguous perception of security and safety is by the author named partial safety. Coexistence of the sense of safety and unsafety characterizes partial security. The experience of partial safety is seen as a more comprehensive context and it is shown how it, when applied to the everyday life of Stockholmers, has a negative impact on their quality of life, imposes limits on their freedom of movement and -action, as well as ultimately makes the city less accessible.

  • 298.
    Jaldell, Henrik
    et al.
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Karlstad Business School.
    Ryen, Linda
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Karlstad Business School.
    Sund, Björn
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Karlstad Business School.
    Andersson, Ragnar
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Are national injury prevention and research efforts matching the distribution of injuries across sectors?2015In: Injury Prevention, ISSN 1353-8047, E-ISSN 1475-5785, Vol. 21, no e1, p. e113-e115Article in journal (Refereed)
    Abstract [en]

    In 2011, 88% of all unintentional injury fatalities occurred in home and leisure environments in Sweden, while transportation fatalities accounted for 10% and work/school injuries for 2%. The corresponding proportions among non-fatal injuries were 75, 12 and 13%, respectively. However, 83% of the national governmental expenditure on unintentional injury prevention in 2011 was allocated to transportation safety, 7% to home and leisure, and 10% to the work sector including schools. Likewise, around 85% of the governmental research budget aimed for unintentional injury research was allocated to the transportation sector, 9% to home and leisure environments, and 6% to the work and school sector. Our results reveal a striking lack of correspondence between problem profile and governmental countermeasures.

  • 299.
    Jansson, Jimmy
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Förekomsten av systematiskt säkerhetsarbete och riskhantering i skolan: En studie av respektive utbildningsplaner för lärare och rektorer2014Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Abstract

    The Swedish school is the biggest place of work in the country. Statistics about the Swedish school shows that both students and teachers work in an environment who has elements of violations, threats and violence, and study environments where many students do not feel they have a study environment during class. The purpose with this study has been to investigate if teachers and principals is given the right conditions in their respective educations to pursue their professional profession to achieve the objectives of the goals with the systematic safety and work environment of the school's safety concerns. The study has been designed as an investigation about respective educations syllabus and has been examined by the presence about systematic safety and knowledge about work environment law in respective courses. The examination about respective educations syllabus has been done by a qualitative content analysis. The result of the study is that the teacher education has content of systematic safety in the theme safety. To this theme can categories communication/conflict management, leadership and law linked. The result shows also that the principal education also has content on systematic safety by the theme safety. To this theme can categories law and communication/conflict management linked. The result of the study shows that the education of teachers and principals don’t give the right tools to face the risks about safety and work environment that is found in everyday school life. The result shows that it is a need to correcting respective education with more contents about systematic safety and work environment.

  • 300.
    Jelk, Caroline
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Environmental and Life Sciences.
    Skillnader i inomartsvariation i morfologiska karaktärer av Empetrum hermaphroditum mellan habitat2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This study is based on data of a previous study investigating whether snow depth affects average growth and reproduction of Empetrum hermaphroditum over a latitudinal and climatic gradient (Bienau et al. 2014). I tested the effects region and snow depth on intraspecific variation of growth-related variables instead, to clarify whether the species has the potential to cope with changes in snow depth and increased growing season in the future. Earlier research results led to the hypothesis that intraspecific variation depends on resources in the habitat and raises the question of whether there is higher variation in Empetrum in favorable habitats such as birch forests and habitats with deep snow cover than in adverse habitats such as those with a shallow snow cover. My analyses suggest that there were significant differences in variability between habitats in some morphological characters. However, not all of these characters follow the expected pattern that the favorable habitats would have a greater variety. Overall, significant differences were found in variation in the length of the main and the lateral shoots, leaf vitality on the main shoots and the dry weight of the stem. These results imply that the above hypothesis is correct for some growth-related variables. 

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