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The human dimension of biodiversity changes on islands

The human dimension of biodiversity changes on islands
The human dimension of biodiversity changes on islands
Islands are among the last regions on Earth settled and transformed by human activities, and they provide replicated model systems for analysis of how people affect ecological functions. By analyzing 27 representative fossil pollen sequences encompassing the past 5000 years from islands globally, we quantified the rates of vegetation compositional change before and after human arrival. After human arrival, rates of turnover accelerate by a median factor of 11, with faster rates on islands colonized in the past 1500 years than for those colonized earlier. This global anthropogenic acceleration in turnover suggests that islands are on trajectories of continuing change. Strategies for biodiversity conservation and ecosystem restoration must acknowledge the long duration of human impacts and the degree to which ecological changes today differ from prehuman dynamics.
0036-8075
488-491
Nogué, Sandra
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Santos, Ana M.C.
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Birks, H. John B.
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Björck, Svante
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Castilla-Beltrán, Alvaro
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Connor, Simon
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De Boer, Erik J.
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De Nascimento, Lea
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Felde, Vivian A.
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Fernández-palacios, José María
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Froyd, Cynthia A.
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Haberle, Simon G.
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Hooghiemstra, Henry
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Ljung, Karl
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Norder, Sietze J.
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Peñuelas, Josep
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Prebble, Matthew
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Stevenson, Janelle
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Whittaker, Robert J.
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Willis, Kathy J.
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Wilmshurst, Janet M.
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Steinbauer, Manuel J.
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Nogué, Sandra
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Santos, Ana M.C.
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Birks, H. John B.
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Björck, Svante
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Castilla-Beltrán, Alvaro
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Connor, Simon
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De Boer, Erik J.
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De Nascimento, Lea
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Felde, Vivian A.
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Fernández-palacios, José María
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Froyd, Cynthia A.
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Haberle, Simon G.
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Hooghiemstra, Henry
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Ljung, Karl
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Norder, Sietze J.
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Peñuelas, Josep
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Prebble, Matthew
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Stevenson, Janelle
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Whittaker, Robert J.
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Willis, Kathy J.
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Wilmshurst, Janet M.
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Steinbauer, Manuel J.
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Nogué, Sandra, Santos, Ana M.C., Birks, H. John B., Björck, Svante, Castilla-Beltrán, Alvaro, Connor, Simon, De Boer, Erik J., De Nascimento, Lea, Felde, Vivian A., Fernández-palacios, José María, Froyd, Cynthia A., Haberle, Simon G., Hooghiemstra, Henry, Ljung, Karl, Norder, Sietze J., Peñuelas, Josep, Prebble, Matthew, Stevenson, Janelle, Whittaker, Robert J., Willis, Kathy J., Wilmshurst, Janet M. and Steinbauer, Manuel J. (2021) The human dimension of biodiversity changes on islands. Science, 372 (6541), 488-491. (doi:10.1126/science.abd6706).

Record type: Article

Abstract

Islands are among the last regions on Earth settled and transformed by human activities, and they provide replicated model systems for analysis of how people affect ecological functions. By analyzing 27 representative fossil pollen sequences encompassing the past 5000 years from islands globally, we quantified the rates of vegetation compositional change before and after human arrival. After human arrival, rates of turnover accelerate by a median factor of 11, with faster rates on islands colonized in the past 1500 years than for those colonized earlier. This global anthropogenic acceleration in turnover suggests that islands are on trajectories of continuing change. Strategies for biodiversity conservation and ecosystem restoration must acknowledge the long duration of human impacts and the degree to which ecological changes today differ from prehuman dynamics.

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Accepted/In Press date: 31 March 2021
Published date: 30 April 2021
Additional Information: Publisher Copyright: © 2021 American Association for the Advancement of Science. All rights reserved. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

Identifiers

Local EPrints ID: 449816
URI: http://eprints.soton.ac.uk/id/eprint/449816
ISSN: 0036-8075
PURE UUID: 35504067-2142-400b-b97e-d699e0d30069
ORCID for Sandra Nogué: ORCID iD orcid.org/0000-0003-0093-4252

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Date deposited: 18 Jun 2021 16:30
Last modified: 22 Nov 2021 03:09

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Contributors

Author: Sandra Nogué ORCID iD
Author: Ana M.C. Santos
Author: H. John B. Birks
Author: Svante Björck
Author: Alvaro Castilla-Beltrán
Author: Simon Connor
Author: Erik J. De Boer
Author: Lea De Nascimento
Author: Vivian A. Felde
Author: José María Fernández-palacios
Author: Cynthia A. Froyd
Author: Simon G. Haberle
Author: Henry Hooghiemstra
Author: Karl Ljung
Author: Sietze J. Norder
Author: Josep Peñuelas
Author: Matthew Prebble
Author: Janelle Stevenson
Author: Robert J. Whittaker
Author: Kathy J. Willis
Author: Janet M. Wilmshurst
Author: Manuel J. Steinbauer

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