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Magnus Magnusson

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Postdoctor at the Department of Wildlife, Fish, and Environmental Studies

Presentation

I am working with a 4-year FORMAS post doc project called: The Importance of Small mammal Diversity for Human health in Fennoscandia (ISDH).

Main research focus: Disease ecology and small mammal dynamics.

Species included in recent publications: the grey-sided vole (Myodes rufocanus), the bank vole (Myodes glareolus) and the field vole (Microtus agrestis). I am interested in zoonotic diseases, conservation ecology and wildlife education for undergraduate and graduate students.

Main collaborators: Vole, predator and zoonoses group at SLU, Restoration Ecology group at SLU, Rick S. Ostfeld at Cary Institute of Ecosystem Studies, Rolf Anker Ims at Arctic University of Norway and Magnus Evander at Umeå University.

Research

Short description of ISDH:

Globally, ecosystems are exposed to rapid land-use change and climate change. Several species of small mammals in Europe have declined lately which has been linked to climate change and in some cases forestry. Small mammals are hosts to pathogens causing severe human diseases. Nephropathia epidemica (NE) is a common human disease in northern Sweden caused by Puumala virus (PUUV) and the bank vole (Myodes glareolus) is the natural host. The bank vole has a relatively stable population trend in northern Sweden but other co-existing species have declined which may cause PUUV to become more common in the future since a high diversity of species has been proposed as being good for human health due to the so called dilution effect. The dilution effect predicts that when there is a decline of non-competent host species that co-exists with the host species, the proportion of infected individuals will increase. In northern Sweden and Norway, long-term time-series of small mammals exists in climate gradients from the coast to the mountains. These time-series will be used in this cross disciplinary project. The applicant will co-operate with ecologists and virologists in different countries to (1) investigate climate induced differences in species composition and diversity of small mammals that (2) can affect the proportion of PUUV infected bank voles, and (3) explain geographical differences in proportion of human NE cases.

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Left: Birdwatching at the Västerbotten coast Right: Field work measuring habitat characteristics (Photo: Edward Moss)
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Field plot, a perfect grey-sided vole habitat (Photo: Magnus Magnusson)
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Snap-trapping small mammals (Photo: Magnus Magnusson)
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Norwegian lemming in the Stora Sjöfallet National park (Photo: Magnus Magnusson)
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Grey-sided vole in stone hole habitat in Stora Sjöfallet National park (Photo: Magnus Magnusson)

Selected publications

Title: Declining ecosystem health and the dilution effect
Authors: Hussein Khalil, Frauke Ecke, Magnus Evander, Magnus Magnusson, Birger Hörnfeldt
Date: 2016-08-08 Volume: 6 Number: 31314 Journal: Scientific Reports

Title: Spatial and temporal variation of hantavirus bank vole infection in managed forest landscapes
Authors: Magnus Magnusson, Frauke Ecke, Hussein Khalil, Gert E Olsson, Magnus Evander, Bo Staffan Niklasson, Birger Hörnfeldt
Date: 2015-09-29 Volume: 6 Number: 9:163 Journal: Ecosphere

Title: Evidence for different drivers behind long-term decline and depression of density in cyclic voles
Authors: Magnus Magnusson, Birger Hörnfeldt, Frauke Ecke
Date: 2015-09-23 Volume: 57 Number: 4 Journal: Population Ecology

Title: The Importance of Bank Vole Density and Rainy Winters in Predicting Nephropathia Epidemica Incidence in Northern Sweden
Authors: Hussein Khalil, Gert E Olsson, Frauke Ecke, Magnus Evander, Marika Hjertqvist, Magnus Magnusson, Mikaell Ottosson Löfvenius, Birger Hörnfeldt
Date: 2014-11-12 Volume: 9(11) Number: e111663 Journal: PLoS ONE

Title: Dynamics and Drivers of Hantavirus Prevalence in Rodent Populations
Authors: Hussein Khalil, Birger Hörnfeldt, Magnus Evander, Magnus Magnusson, Gert Olsson, Frauke Ecke
Date: 2014-07-29 Volume: 14 Number: 8 Journal: Vector borne and zoonotic diseases

Title: Red-listed wood-inhabiting fungi in natural and managed forest landscapes adjacent to the timberline in central Sweden
Authors: Magnus Magnusson, Jörgen Olsson, Henrik Hedenås
Date: 2014-06-02 Volume: 29 Number: 5 Journal: Scandinavian Journal of Forest Research

Title: Predicting grey-sided vole occurrence in northern Sweden at multiple spatial scales
Authors: Magnus Magnusson, Arvid Bergsten, Frauke Ecke, Örjan Bodin, Lennart Bodin, Birger Hörnfeldt
Date: 2013-10-06 Volume: 3 Number: 13 Journal: Ecology and Evolution

Title: Spatiotemporal changes in the landscape structure of forests in northern Sweden
Authors: Frauke Ecke, Magnus Magnusson, Birger Hörnfeldt
Date: 2013-08-01 Volume: 28 Number: 7 Journal: Scandinavian Journal of Forest Research