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Global‐scale species distributions predict temperature‐related changes in species composition of rocky shore communities in Britain

Lookup NU author(s): Dr Heather Sugden

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Abstract

Changes in rocky shore community composition as responses to climatic fluctuations and anthropogenic warming can be shown by changes in average species thermal affinities. In this study, we derived thermal affinities for European Atlantic rocky intertidal species by matching their known distributions to patterns in average annual sea surface temperature. Average thermal affinities (the Community Temperature Index, CTI) tracked patterns in sea surface temperature from Portugal to Norway, but CTI for communities of macroalgae and plant species changed less than those composed of animal species. This reduced response was in line with the expectation that communities with a smaller range of thermal affinities among species would change less in composition along thermal gradients and over time. Local‐scale patterns in CTI over wave exposure gradients suggested that canopy macroalgae allow species

Publication metadata

Author(s): Burrows MT, Hawkins SJ, Moore JJ, Adams L, Sugden H, Firth L, Mieszkowska N

Publication type: Article

Publication status: Published

Journal: Global Change Biology

Year: 2020

Volume: 26

Issue: 4

Pages: 2093-2105

Print publication date: 01/04/2020

Online publication date: 20/12/2019

Acceptance date: 01/12/2019

ISSN (print): 1354-1013

ISSN (electronic): 1365-2486

Publisher: Wiley-Blackwell Publishing Ltd

URL: https://doi.org/10.1111/gcb.14968

DOI: 10.1111/gcb.14968

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