Usefulness of Species Traits in Predicting Range Shifts

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• 作者：Alba Estrada¹ ; ² ; Ignacio Morales-Castilla³ ; Paul Caplat⁴ ; Regan Early⁵ ; ^@ ; ^{r.early@exeter.ac.uk" class="auth_mail" title="E-mail the corresponding author}
• 刊名：Trends in Ecology & Evolution
• 出版年：2016
• 出版时间：March 2016
• 年：2016
• 卷：31
• 期：3
• 页码：190-203
• 全文大小：2736 K

文摘

Information on the ecological traits of species might improve predictions of climate-driven range shifts. However, the usefulness of traits is usually assumed rather than quantified. Here, we present a framework to identify the most informative traits, based on four key range-shift processes: emigration of individuals or propagules away from the natal location; the distance a species can move; establishment of self-sustaining populations; and proliferation following establishment. We propose a framework that categorises traits according to their contribution to range-shift processes. We demonstrate how the framework enables the predictive value of traits to be evaluated empirically and how this categorisation can be used to better understand range-shift processes; we also illustrate how range-shift estimates can be improved.