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Biological interactions both facilitate and resist climate-related functional change in temperate reef communities

Biological interactions both facilitate and resist climate-related functional change in temperate reef communities
Biological interactions both facilitate and resist climate-related functional change in temperate reef communities
Shifts in the abundance and location of species are restructuring life on the Earth, presenting the need to build resilience into our natural systems. Here, we tested if protection from fishing promotes community resilience in temperate reef communities undergoing rapid warming in Tasmania. Regardless of protection status, we detected a signature of warming in the brown macroalgae, invertebrates and fishes, through increases in the local richness and abundance of warm-affinity species. Even so, responses in protected communities diverged from exploited communities. At the local scale, the number of cool-affinity fishes and canopy-forming algal species increased following protection, even though the observation window fell within a period of warming. At the same time, exploited communities gained turf algal and sessile invertebrate species. We further found that the recovery of predator populations following protection leads to marked declines in mobile invertebrates—this trend could be incorrectly attributed to warming without contextual data quantifying community change across trophic levels. By comparing long-term change in exploited and protected reefs, we empirically demonstrate the role of biological interactions in both facilitating and resisting climate-related biodiversity change. We further highlight the potential for trophic interactions to alter the progression of both range expansions and contractions.
0962-8452
Bates, Amanda E.
a96e267d-6d22-4232-b7ed-ce4e448a2a34
Stuart-smith, Rick D.
0c540bfd-5366-4a45-9cef-b3b2afa9ac44
Barrett, Neville S.
a2858a4e-18c2-4aaa-ba4b-e3a3386abf44
Edgar, Graham J.
7269051b-fbec-4753-be8c-1bef22e7d4ec
Bates, Amanda E.
a96e267d-6d22-4232-b7ed-ce4e448a2a34
Stuart-smith, Rick D.
0c540bfd-5366-4a45-9cef-b3b2afa9ac44
Barrett, Neville S.
a2858a4e-18c2-4aaa-ba4b-e3a3386abf44
Edgar, Graham J.
7269051b-fbec-4753-be8c-1bef22e7d4ec

Bates, Amanda E., Stuart-smith, Rick D., Barrett, Neville S. and Edgar, Graham J. (2017) Biological interactions both facilitate and resist climate-related functional change in temperate reef communities. Proceedings of the Royal Society B, 284 (1856), [20170484]. (doi:10.1098/rspb.2017.0484).

Record type: Article

Abstract

Shifts in the abundance and location of species are restructuring life on the Earth, presenting the need to build resilience into our natural systems. Here, we tested if protection from fishing promotes community resilience in temperate reef communities undergoing rapid warming in Tasmania. Regardless of protection status, we detected a signature of warming in the brown macroalgae, invertebrates and fishes, through increases in the local richness and abundance of warm-affinity species. Even so, responses in protected communities diverged from exploited communities. At the local scale, the number of cool-affinity fishes and canopy-forming algal species increased following protection, even though the observation window fell within a period of warming. At the same time, exploited communities gained turf algal and sessile invertebrate species. We further found that the recovery of predator populations following protection leads to marked declines in mobile invertebrates—this trend could be incorrectly attributed to warming without contextual data quantifying community change across trophic levels. By comparing long-term change in exploited and protected reefs, we empirically demonstrate the role of biological interactions in both facilitating and resisting climate-related biodiversity change. We further highlight the potential for trophic interactions to alter the progression of both range expansions and contractions.

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More information

Accepted/In Press date: 5 May 2017
e-pub ahead of print date: 7 June 2017
Published date: 14 June 2017

Identifiers

Local EPrints ID: 412690
URI: http://eprints.soton.ac.uk/id/eprint/412690
ISSN: 0962-8452
PURE UUID: 36519377-6eb8-46e8-bf27-2138300472a1

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Date deposited: 26 Jul 2017 16:30
Last modified: 13 Mar 2019 19:37

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