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The ecological causes of functional distinctiveness in communities

François Munoz Orcid Logo, Christopher A. Klausmeier Orcid Logo, Pierre Gaüzère Orcid Logo, Gaurav Kandlikar Orcid Logo, Elena Litchman Orcid Logo, Nicolas Mouquet, Annette Ostling, Wilfried Thuiller Orcid Logo, Adam C. Algar Orcid Logo, Arnaud Auber, Marc W. Cadotte Orcid Logo, Léo Delalandre, Pierre Denelle, Brian J. Enquist Orcid Logo, Claire Fortunel Orcid Logo, Matthias Grenié Orcid Logo, Nicolas Loiseau Orcid Logo, Lucie Mahaut, Anthony Maire Orcid Logo, David Mouillot Orcid Logo, Catalina Pimiento Orcid Logo, Cyrille Violle, Nathan J. B. Kraft

Ecology Letters, Volume: 26, Issue: 8

Swansea University Author: Catalina Pimiento Orcid Logo

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DOI (Published version): 10.1111/ele.14265

Abstract

Recent work has shown that evaluating functional trait distinctiveness, the average trait distance of a species to other species in a community offers promising insights into biodiversity dynamics and ecosystem functioning. However, the ecological mechanisms underlying the emergence and persistence...

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Published in: Ecology Letters
ISSN: 1461-023X 1461-0248
Published: Wiley
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URI: https://cronfa.swan.ac.uk/Record/cronfa63733
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spelling v2 63733 2023-06-28 The ecological causes of functional distinctiveness in communities 7dd222e2a1d5971b3f3963f0501a9d4f 0000-0002-5320-7246 Catalina Pimiento Catalina Pimiento true false 2023-06-28 SBI Recent work has shown that evaluating functional trait distinctiveness, the average trait distance of a species to other species in a community offers promising insights into biodiversity dynamics and ecosystem functioning. However, the ecological mechanisms underlying the emergence and persistence of functionally distinct species are poorly understood. Here, we address the issue by considering a heterogeneous fitness landscape whereby functional dimensions encompass peaks representing trait combinations yielding positive population growth rates in a community. We identify four ecological cases contributing to the emergence and persistence of functionally distinct species. First, environmental heterogeneity or alternative phenotypic designs can drive positive population growth of functionally distinct species. Second, sink populations with negative population growth can deviate from local fitness peaks and be functionally distinct. Third, species found at the margin of the fitness landscape can persist but be functionally distinct. Fourth, biotic interactions (positive or negative) can dynamically alter the fitness landscape. We offer examples of these four cases and guidelines to distinguish between them. In addition to these deterministic processes, we explore how stochastic dispersal limitation can yield functional distinctiveness. Our framework offers a novel perspective on the relationship between fitness landscape heterogeneity and the functional composition of ecological assemblages. Journal Article Ecology Letters 26 8 Wiley 1461-023X 1461-0248 Coexistence, community, assembly, ecological interactions, fitness, landscape, functional traits, source-sink dynamics 0 0 0 0001-01-01 10.1111/ele.14265 http://dx.doi.org/10.1111/ele.14265 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University Another institution paid the OA fee This research is supported by the Fondation pour la Recherche sur la Biodiversité (FRB) and Electricité de France (EDF) in the context of the CESAB project ‘Causes and consequences of functional rarity from local to global scales’ (FREE). NJBK acknowledges support from NSF DEB 1644641 and 2022810. 2023-07-27T14:38:46.8861903 2023-06-28T12:16:53.2704411 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences François Munoz 0000-0001-8776-4705 1 Christopher A. Klausmeier 0000-0002-6987-5871 2 Pierre Gaüzère 0000-0003-1259-6131 3 Gaurav Kandlikar 0000-0003-3043-6780 4 Elena Litchman 0000-0001-7736-6332 5 Nicolas Mouquet 6 Annette Ostling 7 Wilfried Thuiller 0000-0002-5388-5274 8 Adam C. Algar 0000-0001-8095-0097 9 Arnaud Auber 10 Marc W. Cadotte 0000-0002-5816-7693 11 Léo Delalandre 12 Pierre Denelle 13 Brian J. Enquist 0000-0002-6124-7096 14 Claire Fortunel 0000-0002-8367-1605 15 Matthias Grenié 0000-0002-4659-7522 16 Nicolas Loiseau 0000-0002-2469-1980 17 Lucie Mahaut 18 Anthony Maire 0000-0003-0920-773x 19 David Mouillot 0000-0002-0200-9514 20 Catalina Pimiento 0000-0002-5320-7246 21 Cyrille Violle 22 Nathan J. B. Kraft 23 63733__27998__05f3a4ba90154be5a22c0c2fc215e3f2.pdf 63733.pdf 2023-06-28T12:19:32.0538142 Output 5136033 application/pdf Version of Record true This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. true eng http://creativecommons.org/licenses/by/4.0/
title The ecological causes of functional distinctiveness in communities
spellingShingle The ecological causes of functional distinctiveness in communities
Catalina Pimiento
title_short The ecological causes of functional distinctiveness in communities
title_full The ecological causes of functional distinctiveness in communities
title_fullStr The ecological causes of functional distinctiveness in communities
title_full_unstemmed The ecological causes of functional distinctiveness in communities
title_sort The ecological causes of functional distinctiveness in communities
author_id_str_mv 7dd222e2a1d5971b3f3963f0501a9d4f
author_id_fullname_str_mv 7dd222e2a1d5971b3f3963f0501a9d4f_***_Catalina Pimiento
author Catalina Pimiento
author2 François Munoz
Christopher A. Klausmeier
Pierre Gaüzère
Gaurav Kandlikar
Elena Litchman
Nicolas Mouquet
Annette Ostling
Wilfried Thuiller
Adam C. Algar
Arnaud Auber
Marc W. Cadotte
Léo Delalandre
Pierre Denelle
Brian J. Enquist
Claire Fortunel
Matthias Grenié
Nicolas Loiseau
Lucie Mahaut
Anthony Maire
David Mouillot
Catalina Pimiento
Cyrille Violle
Nathan J. B. Kraft
format Journal article
container_title Ecology Letters
container_volume 26
container_issue 8
institution Swansea University
issn 1461-023X
1461-0248
doi_str_mv 10.1111/ele.14265
publisher Wiley
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
url http://dx.doi.org/10.1111/ele.14265
document_store_str 1
active_str 0
description Recent work has shown that evaluating functional trait distinctiveness, the average trait distance of a species to other species in a community offers promising insights into biodiversity dynamics and ecosystem functioning. However, the ecological mechanisms underlying the emergence and persistence of functionally distinct species are poorly understood. Here, we address the issue by considering a heterogeneous fitness landscape whereby functional dimensions encompass peaks representing trait combinations yielding positive population growth rates in a community. We identify four ecological cases contributing to the emergence and persistence of functionally distinct species. First, environmental heterogeneity or alternative phenotypic designs can drive positive population growth of functionally distinct species. Second, sink populations with negative population growth can deviate from local fitness peaks and be functionally distinct. Third, species found at the margin of the fitness landscape can persist but be functionally distinct. Fourth, biotic interactions (positive or negative) can dynamically alter the fitness landscape. We offer examples of these four cases and guidelines to distinguish between them. In addition to these deterministic processes, we explore how stochastic dispersal limitation can yield functional distinctiveness. Our framework offers a novel perspective on the relationship between fitness landscape heterogeneity and the functional composition of ecological assemblages.
published_date 0001-01-01T14:38:42Z
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score 11.035874

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