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Topographic heterogeneity triggers complementary cascades that enhance ecosystem multifunctionality

Tom Fairchild Orcid Logo, Bettina Walter, Josh Mutter, John Griffin Orcid Logo

Ecology, Volume: 105, Issue: 11, Start page: e4434

Swansea University Authors: Tom Fairchild Orcid Logo, Josh Mutter, John Griffin Orcid Logo

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DOI (Published version): 10.1002/ecy.4434

Abstract

Topographic heterogeneity sets the stage for community assembly, but its effects on ecosystem functioning remain poorly understood. Here, we test the hypothesis that topographic heterogeneity underpins multiple cascading species interactions and functional pathways that indirectly control multifunct...

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Published in: Ecology
ISSN: 0012-9658 1939-9170
Published: Wiley 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa67662
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last_indexed 2024-11-29T19:45:48Z
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spelling 2024-11-29T14:57:32.0780314 v2 67662 2024-09-12 Topographic heterogeneity triggers complementary cascades that enhance ecosystem multifunctionality 029ccd52181e00b3711e9234a8d200b7 0000-0001-7133-8824 Tom Fairchild Tom Fairchild true false 46a5286d0d797404de5a594bb9d2427a Josh Mutter Josh Mutter true false 9814fbffa76dd9c9a207166354cd0b2f 0000-0003-3295-6480 John Griffin John Griffin true false 2024-09-12 BGPS Topographic heterogeneity sets the stage for community assembly, but its effects on ecosystem functioning remain poorly understood. Here, we test the hypothesis that topographic heterogeneity underpins multiple cascading species interactions and functional pathways that indirectly control multifunctionality. To do so, we combined experimental manipulation of a form of topographic heterogeneity on rocky shores (holes of various sizes) with a comprehensive assessment of naturally assembled communities and multifunctionality. Structural equation modeling indicated that heterogeneity: (1) enhanced biodiversity by supporting filter feeder richness; (2) triggered a facilitation cascade via reef-forming (polychaete) and biomass-dominant (macroalga) foundation species, which in turn broadly supported functionally diverse epibiotic and understory assemblages; and (3) inhibited a key consumer (limpet). The model supported that these mechanisms exerted complementary positive effects on individual functions (e.g., water filtration, ecosystem metabolism, nutrient uptake) and, in turn, collectively enhanced multifunctionality. Topographic heterogeneity may therefore serve as a cornerstone physical attribute by initiating multiple cascades that propagate through ecological communities via foundation species, ultimately manifesting disproportionate effects on ecosystem multifunctionality. Journal Article Ecology 105 11 e4434 Wiley 0012-9658 1939-9170 Fucus serratus, biodiversity, ecosystem functioning, facilitation, foundation species, habitat complexity, substrate heterogeneity 1 11 2024 2024-11-01 10.1002/ecy.4434 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University SU Library paid the OA fee (TA Institutional Deal) Interreg North-West Europe WEFO -Ecostructure, Grant/Award Number:80939; Natural Environment ResearchCouncil, Grant/Award Numbers: NE/L501827/1.1426010, NE/W006650/1 2024-11-29T14:57:32.0780314 2024-09-12T13:07:17.7888229 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Tom Fairchild 0000-0001-7133-8824 1 Bettina Walter 2 Josh Mutter 3 John Griffin 0000-0003-3295-6480 4 67662__31519__c16000c0c1014f5c80ad6aa9b6bce897.pdf 67662.VoR.pdf 2024-10-02T13:44:55.6752746 Output 25855955 application/pdf Version of Record true © 2024 The Author(s). This is an open access article under the terms of the Creative Commons Attribution License. true eng http://creativecommons.org/licenses/by/4.0/
title Topographic heterogeneity triggers complementary cascades that enhance ecosystem multifunctionality
spellingShingle Topographic heterogeneity triggers complementary cascades that enhance ecosystem multifunctionality
Tom Fairchild
Josh Mutter
John Griffin
title_short Topographic heterogeneity triggers complementary cascades that enhance ecosystem multifunctionality
title_full Topographic heterogeneity triggers complementary cascades that enhance ecosystem multifunctionality
title_fullStr Topographic heterogeneity triggers complementary cascades that enhance ecosystem multifunctionality
title_full_unstemmed Topographic heterogeneity triggers complementary cascades that enhance ecosystem multifunctionality
title_sort Topographic heterogeneity triggers complementary cascades that enhance ecosystem multifunctionality
author_id_str_mv 029ccd52181e00b3711e9234a8d200b7
46a5286d0d797404de5a594bb9d2427a
9814fbffa76dd9c9a207166354cd0b2f
author_id_fullname_str_mv 029ccd52181e00b3711e9234a8d200b7_***_Tom Fairchild
46a5286d0d797404de5a594bb9d2427a_***_Josh Mutter
9814fbffa76dd9c9a207166354cd0b2f_***_John Griffin
author Tom Fairchild
Josh Mutter
John Griffin
author2 Tom Fairchild
Bettina Walter
Josh Mutter
John Griffin
format Journal article
container_title Ecology
container_volume 105
container_issue 11
container_start_page e4434
publishDate 2024
institution Swansea University
issn 0012-9658
1939-9170
doi_str_mv 10.1002/ecy.4434
publisher Wiley
college_str Faculty of Science and Engineering
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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
document_store_str 1
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description Topographic heterogeneity sets the stage for community assembly, but its effects on ecosystem functioning remain poorly understood. Here, we test the hypothesis that topographic heterogeneity underpins multiple cascading species interactions and functional pathways that indirectly control multifunctionality. To do so, we combined experimental manipulation of a form of topographic heterogeneity on rocky shores (holes of various sizes) with a comprehensive assessment of naturally assembled communities and multifunctionality. Structural equation modeling indicated that heterogeneity: (1) enhanced biodiversity by supporting filter feeder richness; (2) triggered a facilitation cascade via reef-forming (polychaete) and biomass-dominant (macroalga) foundation species, which in turn broadly supported functionally diverse epibiotic and understory assemblages; and (3) inhibited a key consumer (limpet). The model supported that these mechanisms exerted complementary positive effects on individual functions (e.g., water filtration, ecosystem metabolism, nutrient uptake) and, in turn, collectively enhanced multifunctionality. Topographic heterogeneity may therefore serve as a cornerstone physical attribute by initiating multiple cascades that propagate through ecological communities via foundation species, ultimately manifesting disproportionate effects on ecosystem multifunctionality.
published_date 2024-11-01T08:10:33Z
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