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Long-term changes in temperate marine fish assemblages are driven by a small subset of species

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Gotelli_2021_Long_term_changes_in_temperate_GCB_15947_CCBYNC.pdf (1.148Mb)
Date
03/11/2021
Author
Gotelli, Nicholas J.
Moyes, Faye
Antão, Laura H.
Blowes, Shane A.
Dornelas, Maria
McGill, Brian J.
Penny, Amelia
Schipper, Aafke
Shimadzu, Hideyasu
Supp, Sarah R.
Waldock, Conor A.
Magurran, Anne E.
Funder
NERC
The Leverhulme Trust
The Leverhulme Trust
Grant ID
NE/V009338/1
ORPG-8061
Keywords
Baseline
Biodiversity
Long-term monitoring
Marine fish assemblages
Species composition
Temporal beta diversity
GC Oceanography
NDAS
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Abstract
The species composition of plant and animal assemblages across the globe has changed substantially over the past century. How do the dynamics of individual species cause this change? We classified species into seven unique categories of temporal dynamics based on the ordered sequence of presences and absences that each species contributes to an assemblage time series. We applied this framework to 14,434 species trajectories comprising 280 assemblages of temperate marine fishes surveyed annually for 20 or more years. Although 90% of the assemblages diverged in species composition from the baseline year, this compositional change was largely driven by only 8% of the species` trajectories. Quantifying the reorganization of assemblages based on species shared temporal dynamics should facilitate the task of monitoring and restoring biodiversity. We suggest ways in which our framework could provide informative measures of compositional change, as well as leverage future research on pattern and process in ecological systems.
Citation
Gotelli , N J , Moyes , F , Antão , L H , Blowes , S A , Dornelas , M , McGill , B J , Penny , A , Schipper , A , Shimadzu , H , Supp , S R , Waldock , C A & Magurran , A E 2021 , ' Long-term changes in temperate marine fish assemblages are driven by a small subset of species ' , Global Change Biology , vol. Early View . https://doi.org/10.1111/gcb.15947
Publication
Global Change Biology
Status
Peer reviewed
DOI
https://doi.org/10.1111/gcb.15947
ISSN
1354-1013
Type
Journal article
Rights
Copyright © 2021 The Authors. Global Change Biology published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
Description
Funding: Jane and Aatos Erkko Foundation (LHA); Japan Society for the Promotion of Science (JP19K21569) (HS); Leverhulme Trust (RPG-2019-402) (AEM, MD, FM, AP); Leverhulme Trust Research Centre - the Leverhulme Centre for Anthropocene Biodiversity (MD); USA National Science Foundation grant 2019470 (BJM, NJG); USA National Science Foundation/ UKRI Natural Environment Research Council grant NE/V009338/1 (MD).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/24395

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