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  • 1.
    Brown, Ludovick
    et al.
    Département de biologie, Université de Sherbrooke, Sherbrooke, Canada.
    Fuchs, Boris
    Department of Forestry and Wildlife Management, Inland Norway University of Applied Sciences, Koppang, Norway.
    Arnemo, Jon M.
    Department of Forestry and Wildlife Management, Inland Norway University of Applied Sciences, Koppang, Norway; Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden.
    Kindberg, Jonas
    Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden; Norwegian Institute for Nature Research, Trondheim, Norway.
    Rodushkin, Ilia
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering. ALS Scandinavia AB, Luleå, Sweden.
    Zedrosser, Andreas
    Department of Natural Sciences and Environmental Health, University of South-Eastern Norway, Bø in Telemark, Norway; Institute for Wildlife Biology and Game Management, University for Natural Resources and Life Sciences, Vienna, Austria.
    Pelletier, Fanie
    Département de biologie, Université de Sherbrooke, Sherbrooke, Canada.
    Lead exposure in brown bears is linked to environmental levels and the distribution of moose kills2023In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 873, article id 162099Article in journal (Refereed)
    Abstract [en]

    Lead (Pb) is heterogeneously distributed in the environment and multiple sources like Pb ammunition and fossil fuel combustion can increase the risk of exposure in wildlife. Brown bears (Ursus arctos) in Sweden have higher blood Pb levels compared to bears from other populations, but the sources and routes of exposure are unknown. The objective of this study was to quantify the contribution of two potential sources of Pb exposure in female brown bears (n = 34 individuals; n = 61 samples). We used multiple linear regressions to determine the contribution of both environmental Pb levels estimated from plant roots and moose (Alces alces) kills to blood Pb concentrations in female brown bears. We found positive relationships between blood Pb concentrations in bears and both the distribution of moose kills by hunters and environmental Pb levels around capture locations. Our results suggest that the consumption of slaughter remains discarded by moose hunters is a likely significant pathway of Pb exposure and this exposure is additive to environmental Pb exposure in female brown bears in Sweden. We suggest that spatially explicit models, incorporating habitat selection analyses of harvest data, may prove useful in predicting Pb exposure in scavengers.

  • 2.
    Nilsson, Jens
    Luleå University of Technology, Department of Social Sciences, Technology and Arts, Social Sciences.
    Sandström, Camilla (Data collector)
    Umeå University.
    Databas: Adaptiva, effektiva och legitima förvaltningsystem? En inventering av aktuell kunskap om viltförvaltningen i Norden2023Data set
    Abstract [en]

    Database for the wildlife research project 'Adaptiva, effektiva och legitima förvaltningsystem?En inventering av aktuell kunskap om viltförvaltningen i Norden', funded by the Swedish Environmental Protection Agency (Naturvårdsverket).

    Download full text (xlsx)
    Database Nilsson, Sandström & Sandström
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