Range edges in heterogeneous landscapes : Integrating geographic scale and climate complexity into range dynamics

© 2019 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 26(2020), 3 vom: 20. März, Seite 1055-1067
1. Verfasser: Oldfather, Meagan F (VerfasserIn)
Weitere Verfasser: Kling, Matthew M, Sheth, Seema N, Emery, Nancy C, Ackerly, David D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. climatic niche microclimate range limit theory range shifts topography
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520 |a The impacts of climate change have re-energized interest in understanding the role of climate in setting species geographic range edges. Despite the strong focus on species' distributions in ecology and evolution, defining a species range edge is theoretically and empirically difficult. The challenge of determining a range edge and its relationship to climate is in part driven by the nested nature of geography and the multidimensionality of climate, which together generate complex patterns of both climate and biotic distributions across landscapes. Because range-limiting processes occur in both geographic and climate space, the relationship between these two spaces plays a critical role in setting range limits. With both conceptual and empirical support, we argue that three factors-climate heterogeneity, collinearity among climate variables, and spatial scale-interact to shape the spatial structure of range edges along climate gradients, and we discuss several ways that these factors influence the stability of species range edges with a changing climate. We demonstrate that geographic and climate edges are often not concordant across species ranges. Furthermore, high climate heterogeneity and low climate collinearity across landscapes increase the spectrum of possible relationships between geographic and climatic space, suggesting that geographic range edges and climatic niche limits correspond less frequently than we may expect. More empirical explorations of how the complexity of real landscapes shapes the ecological and evolutionary processes that determine species range edges will advance the development of range limit theory and its applications to biodiversity conservation in the context of changing climate 
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700 1 |a Kling, Matthew M  |e verfasserin  |4 aut 
700 1 |a Sheth, Seema N  |e verfasserin  |4 aut 
700 1 |a Emery, Nancy C  |e verfasserin  |4 aut 
700 1 |a Ackerly, David D  |e verfasserin  |4 aut 
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