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Temperature-related biodiversity change across temperate marine and terrestrial systems

Temperature-related biodiversity change across temperate marine and terrestrial systems
Temperature-related biodiversity change across temperate marine and terrestrial systems

Climate change is reshaping global biodiversity as species respond to changing temperatures. However, the net effects of climate-driven species redistribution on local assemblage diversity remain unknown. Here, we relate trends in species richness and abundance from 21,500 terrestrial and marine assemblage time series across temperate regions (23.5–60.0° latitude) to changes in air or sea surface temperature. We find a strong coupling between biodiversity and temperature changes in the marine realm, where species richness mostly increases with warming. However, biodiversity responses are conditional on the baseline climate, such that in initially warmer locations richness increase is more pronounced while abundance declines with warming. In contrast, we do not detect systematic temperature-related richness or abundance trends on land, despite a greater magnitude of warming. As the world is committed to further warming, substantial challenges remain in maintaining local biodiversity amongst the non-uniform inflow and outflow of ‘climate migrants’. Temperature-driven community restructuring is especially evident in the ocean, whereas climatic debt may be accumulating on land.

2397-334X
927-933
Antão, Laura H.
26cc3906-4edd-434d-998d-971827a1d5b1
Bates, Amanda E.
a96e267d-6d22-4232-b7ed-ce4e448a2a34
Blowes, Shane A.
3746e760-7dfb-46ea-8014-12895e67b030
Waldock, Conor
2ac559b9-c08e-4b9c-ba77-7ad69cc6440e
Supp, Sarah R.
98e20823-2c07-408e-9809-53a347009c4e
Magurran, Anne E.
7a54f499-d2f0-4a04-81b2-d90437387a20
Dornelas, Maria
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Schipper, Aafke M.
7c2cbfe8-4f67-43eb-b887-93472ce1d2a6
Antão, Laura H.
26cc3906-4edd-434d-998d-971827a1d5b1
Bates, Amanda E.
a96e267d-6d22-4232-b7ed-ce4e448a2a34
Blowes, Shane A.
3746e760-7dfb-46ea-8014-12895e67b030
Waldock, Conor
2ac559b9-c08e-4b9c-ba77-7ad69cc6440e
Supp, Sarah R.
98e20823-2c07-408e-9809-53a347009c4e
Magurran, Anne E.
7a54f499-d2f0-4a04-81b2-d90437387a20
Dornelas, Maria
8f24b856-a3d2-4671-a04e-931bf694ea1f
Schipper, Aafke M.
7c2cbfe8-4f67-43eb-b887-93472ce1d2a6

Antão, Laura H., Bates, Amanda E., Blowes, Shane A., Waldock, Conor, Supp, Sarah R., Magurran, Anne E., Dornelas, Maria and Schipper, Aafke M. (2020) Temperature-related biodiversity change across temperate marine and terrestrial systems. Nature Ecology & Evolution, 4 (7), 927-933. (doi:10.1038/s41559-020-1185-7).

Record type: Article

Abstract

Climate change is reshaping global biodiversity as species respond to changing temperatures. However, the net effects of climate-driven species redistribution on local assemblage diversity remain unknown. Here, we relate trends in species richness and abundance from 21,500 terrestrial and marine assemblage time series across temperate regions (23.5–60.0° latitude) to changes in air or sea surface temperature. We find a strong coupling between biodiversity and temperature changes in the marine realm, where species richness mostly increases with warming. However, biodiversity responses are conditional on the baseline climate, such that in initially warmer locations richness increase is more pronounced while abundance declines with warming. In contrast, we do not detect systematic temperature-related richness or abundance trends on land, despite a greater magnitude of warming. As the world is committed to further warming, substantial challenges remain in maintaining local biodiversity amongst the non-uniform inflow and outflow of ‘climate migrants’. Temperature-driven community restructuring is especially evident in the ocean, whereas climatic debt may be accumulating on land.

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Antao_et_al._NEE_2020_public - Accepted Manuscript
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Accepted/In Press date: 24 March 2020
Published date: 4 May 2020

Identifiers

Local EPrints ID: 441652
URI: http://eprints.soton.ac.uk/id/eprint/441652
ISSN: 2397-334X
PURE UUID: 893f765a-0f33-4e3b-a83f-f7f3deaae96e

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Date deposited: 23 Jun 2020 16:30
Last modified: 15 Sep 2021 04:27

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Contributors

Author: Laura H. Antão
Author: Amanda E. Bates
Author: Shane A. Blowes
Author: Conor Waldock
Author: Sarah R. Supp
Author: Anne E. Magurran
Author: Maria Dornelas
Author: Aafke M. Schipper

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