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The geography of biodiversity change in marine and terrestrial assemblages

The geography of biodiversity change in marine and terrestrial assemblages
The geography of biodiversity change in marine and terrestrial assemblages
Human activities are fundamentally altering biodiversity. Projections of declines at the global scale are contrasted by highly variable trends at local scales, suggesting that biodiversity change may be spatially structured. Here, we examined spatial variation in species richness and composition change using more than 50,000 biodiversity time series from 239 studies and found clear geographic variation in biodiversity change. Rapid compositional change is prevalent, with marine biomes exceeding and terrestrial biomes trailing the overall trend. Assemblage richness is not changing on average, although locations exhibiting increasing and decreasing trends of up to about 20% per year were found in some marine studies. At local scales, widespread compositional reorganization is most often decoupled from richness change, and biodiversity change is strongest and most variable in the oceans.
0036-8075
339-345
Blowes, Shane A.
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Supp, Sarah R.
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Antão, Laura H.
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Bates, Amanda
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Bruelheide, Helge
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Chase, Jonathan M.
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Moyes, Faye
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Magurran, Anne
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Mcgill, Brian
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Myers-Smith, Isla H.
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Winter, Marten
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Bjorkman, Anne D.
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Bowler, Diana E.
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Byrnes, Jarrett E. K.
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Gonzalez, Andrew
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Hines, Jes
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Isbell, Forest
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Jones, Holly P.
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Navarro, Laetitia M.
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Thompson, Patrick L.
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Vellend, Mark
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Waldock, Conor
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Dornelas, Maria
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Blowes, Shane A.
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Supp, Sarah R.
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Antão, Laura H.
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Bates, Amanda
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Bruelheide, Helge
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Chase, Jonathan M.
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Moyes, Faye
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Magurran, Anne
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Mcgill, Brian
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Myers-Smith, Isla H.
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Winter, Marten
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Bjorkman, Anne D.
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Bowler, Diana E.
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Byrnes, Jarrett E. K.
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Gonzalez, Andrew
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Hines, Jes
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Isbell, Forest
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Jones, Holly P.
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Navarro, Laetitia M.
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Thompson, Patrick L.
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Vellend, Mark
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Waldock, Conor
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Dornelas, Maria
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Blowes, Shane A., Supp, Sarah R., Antão, Laura H., Bates, Amanda, Bruelheide, Helge, Chase, Jonathan M., Moyes, Faye, Magurran, Anne, Mcgill, Brian, Myers-Smith, Isla H., Winter, Marten, Bjorkman, Anne D., Bowler, Diana E., Byrnes, Jarrett E. K., Gonzalez, Andrew, Hines, Jes, Isbell, Forest, Jones, Holly P., Navarro, Laetitia M., Thompson, Patrick L., Vellend, Mark, Waldock, Conor and Dornelas, Maria (2019) The geography of biodiversity change in marine and terrestrial assemblages. Science, 366 (6463), 339-345. (doi:10.1126/science.aaw1620).

Record type: Article

Abstract

Human activities are fundamentally altering biodiversity. Projections of declines at the global scale are contrasted by highly variable trends at local scales, suggesting that biodiversity change may be spatially structured. Here, we examined spatial variation in species richness and composition change using more than 50,000 biodiversity time series from 239 studies and found clear geographic variation in biodiversity change. Rapid compositional change is prevalent, with marine biomes exceeding and terrestrial biomes trailing the overall trend. Assemblage richness is not changing on average, although locations exhibiting increasing and decreasing trends of up to about 20% per year were found in some marine studies. At local scales, widespread compositional reorganization is most often decoupled from richness change, and biodiversity change is strongest and most variable in the oceans.

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More information

Accepted/In Press date: 10 September 2019
Published date: 18 October 2019

Identifiers

Local EPrints ID: 437130
URI: http://eprints.soton.ac.uk/id/eprint/437130
ISSN: 0036-8075
PURE UUID: 33c176b8-2ce8-42ad-b0d5-2f2d319a985d

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Date deposited: 17 Jan 2020 17:35
Last modified: 25 Nov 2021 17:37

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Contributors

Author: Shane A. Blowes
Author: Sarah R. Supp
Author: Laura H. Antão
Author: Amanda Bates
Author: Helge Bruelheide
Author: Jonathan M. Chase
Author: Faye Moyes
Author: Anne Magurran
Author: Brian Mcgill
Author: Isla H. Myers-Smith
Author: Marten Winter
Author: Anne D. Bjorkman
Author: Diana E. Bowler
Author: Jarrett E. K. Byrnes
Author: Andrew Gonzalez
Author: Jes Hines
Author: Forest Isbell
Author: Holly P. Jones
Author: Laetitia M. Navarro
Author: Patrick L. Thompson
Author: Mark Vellend
Author: Conor Waldock
Author: Maria Dornelas

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