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The importance of biotic interactions for modelling species distributions under climate change

The importance of biotic interactions for modelling species distributions under climate change Aim  There is a debate as to whether biotic interactions exert a dominant role in governing species distributions at macroecological scales. The prevailing idea is that climate is the key limiting factor; thus models that use present‐day climate–species range relationships are expected to provide reasonable means to quantify the impacts of climate change on species distributions. However, there is little empirical evidence that biotic interactions would not constrain species distributions at macroecological scales. We examine this idea, for the first time, and provide tests for two null hypotheses: (H0 1) – biotic interactions do not exert a significant role in explaining current distributions of a particular species of butterfly (clouded Apollo, Parnassius mnemosyne) in Europe; and (H0 2) – biotic interactions do not exert a significant role in predictions of altered species’ ranges under climate change. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Global Ecology and Biogeography Wiley

The importance of biotic interactions for modelling species distributions under climate change

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References (62)

Publisher
Wiley
Copyright
Copyright © 2007 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1466-822X
eISSN
1466-8238
DOI
10.1111/j.1466-8238.2007.00359.x
Publisher site
See Article on Publisher Site

Abstract

Aim  There is a debate as to whether biotic interactions exert a dominant role in governing species distributions at macroecological scales. The prevailing idea is that climate is the key limiting factor; thus models that use present‐day climate–species range relationships are expected to provide reasonable means to quantify the impacts of climate change on species distributions. However, there is little empirical evidence that biotic interactions would not constrain species distributions at macroecological scales. We examine this idea, for the first time, and provide tests for two null hypotheses: (H0 1) – biotic interactions do not exert a significant role in explaining current distributions of a particular species of butterfly (clouded Apollo, Parnassius mnemosyne) in Europe; and (H0 2) – biotic interactions do not exert a significant role in predictions of altered species’ ranges under climate change.

Journal

Global Ecology and BiogeographyWiley

Published: Nov 1, 2007

Keywords: ; ; ; ; ; ; ; ;

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