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Documenting lemming population change in the Arctic: Can we detect trends?
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2019 (English)In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209Article in journal (Refereed) Epub ahead of print
Abstract [en]

Lemmings are a key component of tundra food webs and changes in their dynamics can affect the whole ecosystem. We present a comprehensive overview of lemming monitoring and research activities, and assess recent trends in lemming abundance across the circumpolar Arctic. Since 2000, lemmings have been monitored at 49 sites of which 38 are still active. The sites were not evenly distributed with notably Russia and high Arctic Canada underrepresented. Abundance was monitored at all sites, but methods and levels of precision varied greatly. Other important attributes such as health, genetic diversity and potential drivers of population change, were often not monitored. There was no evidence that lemming populations were decreasing in general, although a negative trend was detected for low arctic populations sympatric with voles. To keep the pace of arctic change, we recommend maintaining long-term programmes while harmonizing methods, improving spatial coverage and integrating an ecosystem perspective.

Place, publisher, year, edition, pages
Springer, 2019.
Keywords [en]
Arctic, Dicrostonyx, Lemmus, Population monitoring, Temporal trends, Small rodent
National Category
Ecology
Identifiers
URN: urn:nbn:se:umu:diva-164991DOI: 10.1007/s13280-019-01198-7ISI: 000490381700001PubMedID: 31605369OAI: oai:DiVA.org:umu-164991DiVA, id: diva2:1369131
Available from: 2019-11-11 Created: 2019-11-11 Last updated: 2019-11-11

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Olofsson, Johan

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Department of Ecology and Environmental Sciences
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