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Macroecological patterns of rodent population dynamics shaped by bioclimatic gradients
  • +15
  • Eeva Soininen,
  • Magnus Magnusson,
  • Jane Jepsen,
  • Nina Eide,
  • Nigel G. Yoccoz,
  • Anders Angerbjörn,
  • Jo Inge Breisjøberget,
  • Frauke Ecke,
  • Dorothee Ehrich,
  • Erik Framstad,
  • Heikki Henttonen,
  • Birger Hörnfeldt,
  • Siw Killengren,
  • Johan Olofsson,
  • Lauri Oksanen,
  • Tarja Oksanen,
  • Ole Tveito,
  • Rolf Ims
Eeva Soininen
UiT Norges arktiske universitet

Corresponding Author:[email protected]

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Magnus Magnusson
Swedish University of Agricultural Sciences Faculty of Forest Sciences
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Jane Jepsen
Norsk Institutt for Naturforskning
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Nina Eide
Norsk Institutt for Naturforskning
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Nigel G. Yoccoz
UiT Norges arktiske universitet
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Anders Angerbjörn
Stockholm University
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Jo Inge Breisjøberget
Inland Norway University of Applied Sciences - Evenstad Campus
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Frauke Ecke
Swedish University of Agricultural Sciences Faculty of Forest Sciences
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Dorothee Ehrich
UiT Norges arktiske universitet
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Erik Framstad
Norsk Institutt for Naturforskning
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Heikki Henttonen
Natural Resources Institute Finland
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Birger Hörnfeldt
Swedish University of Agricultural Sciences (SLU)
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Siw Killengren
UiT Norges arktiske universitet
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Johan Olofsson
Umea Universitet
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Lauri Oksanen
UiT Norges arktiske universitet
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Tarja Oksanen
UiT The Arctic University of Norway
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Ole Tveito
Norwegian Meteorological Institute
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Rolf Ims
University of Tromsø
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Abstract

Long-term studies of cyclic rodent populations have contributed fundamentally to the development of population ecology. Previous research has shown macroecological patterns of population dynamics in relation to latitude, but without disentangling the role of underlying ecological and climate drivers. We collected 26 rodent time-series from the tundra biome and assessed how population dynamics characteristics of the most prevalent species varied with latitude and environmental variables. While we could not find a relationship between latitude and population cycle peak interval, other characteristics of population dynamics had latitudinal patterns. The environmental predictor variables provided insight into causes of these patterns, as i) increased proportion of optimal habitat in the landscape led to higher population cycle amplitudes in all species and ii) mid-winter climate variability had negative impacts on cycle amplitude in Norwegian lemmings and grey-sided voles. These results indicate that biome-scale climate and landscape change can be expected to have profound impacts on rodent population cycles and that the macro-ecology of such functionally important tundra ecosystem characteristics is likely to be subjected to transient dynamics.
15 Aug 2023Submitted to Ecography
15 Aug 2023Assigned to Editor
15 Aug 2023Submission Checks Completed
15 Aug 2023Review(s) Completed, Editorial Evaluation Pending
21 Aug 2023Reviewer(s) Assigned