Macroecological patterns of rodent population dynamics shaped by bioclimatic gradients

IF 5.4 1区环境科学与生态学 Q1 BIODIVERSITY CONSERVATION

Ecography Pub Date : 2024-12-27 DOI:10.1111/ecog.07058

Eeva M. Soininen, Magnus Magnusson, Jane U. Jepsen, Nina E. Eide, Nigel G. Yoccoz, Anders Angerbjörn, Jo Inge Breisjøberget, Frauke Ecke, Dorothee Ehrich, Erik Framstad, Heikki Henttonen, Birger Hörnfeldt, Siw Killengreen, Johan Olofsson, Lauri Oksanen, Tarja Oksanen, Ole Einar Tveito, Rolf A. Ims

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引用次数: 0

Abstract

Long‐term studies of cyclic rodent populations have contributed fundamentally to the development of population ecology. Pioneering rodent studies have shown macroecological patterns of population dynamics in relation to latitude and have inspired similar studies in several other taxa. Nevertheless, such studies have not been able to disentangle the role of different environmental variables in shaping the macroecological patterns. We collected rodent time‐series from 26 locations spanning 10 latitudinal degrees in the tundra biome of Fennoscandia and assessed how population dynamics characteristics of the most prevalent species varied with latitude and environmental variables. While we found no relationship between latitude and population cycle peak interval, other characteristics of population dynamics showed latitudinal patterns. The environmental predictor variables provided insight into causes of these patterns, as 1) increased proportion of optimal habitat in the landscape led to higher density amplitudes in all species and 2) mid‐winter climate variability lowered the 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.

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来源期刊

Ecography 环境科学-生态学

CiteScore

11.60

自引率

3.40%

发文量

122

审稿时长

8-16 weeks

期刊介绍： ECOGRAPHY publishes exciting, novel, and important articles that significantly advance understanding of ecological or biodiversity patterns in space or time. Papers focusing on conservation or restoration are welcomed, provided they are anchored in ecological theory and convey a general message that goes beyond a single case study. We encourage papers that seek advancing the field through the development and testing of theory or methodology, or by proposing new tools for analysis or interpretation of ecological phenomena. Manuscripts are expected to address general principles in ecology, though they may do so using a specific model system if they adequately frame the problem relative to a generalized ecological question or problem. Purely descriptive papers are considered only if breaking new ground and/or describing patterns seldom explored. Studies focused on a single species or single location are generally discouraged unless they make a significant contribution to advancing general theory or understanding of biodiversity patterns and processes. Manuscripts merely confirming or marginally extending results of previous work are unlikely to be considered in Ecography. Papers are judged by virtue of their originality, appeal to general interest, and their contribution to new developments in studies of spatial and temporal ecological patterns. There are no biases with regard to taxon, biome, or biogeographical area.