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Trait-matching and mass effect determine the functional response of herbivore communities to land-use intensification

Gaëtane Le Provost, Nicolas Gross, Luca Borger Orcid Logo, Hélène Deraison, Marilyn Roncoroni, Isabelle Badenhausser, Julia Koricheva

Functional Ecology

Swansea University Author: Luca Borger Orcid Logo

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DOI (Published version): 10.1111/1365-2435.12849

Abstract

Trait-based approaches represent a promising way to understand how trophic interactions shape animal communities. The approach relies on the identification of the traits that mediate the linkages between adjacent trophic levels, i.e. ‘trait-matching’. Yet, how trait-matching explains the abundance a...

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Published in: Functional Ecology
ISSN: 02698463
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa33666
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This question may be particularly critical in the context of land-use intensification, currently threatening biodiversity and associated ecosystem services. We collected a large dataset on plant and grasshopper traits from communities living in 204 grasslands, in an intensively managed agricultural landscape. We used a multi-trait approach to quantify the relative contributions of trait-matching and land-use intensification acting at both local and landscape scales on grasshopper functional diversity. We considered two key independent functional traits: incisor strength and body size of grasshopper species. Incisor strength, a resource-acquisition trait, strongly matches grasshopper feeding niche. Body size correlates with mobility traits, and may determine grasshopper dispersal abilities. Plant functional diversity positively impacted the diversity of grasshopper resource-acquisition traits, according to the degree of trait-matching observed between plants and herbivores. However, this positive effect was significantly higher in old grasslands. In addition, the presence of specific habitats in the landscape (i.e. wood and alfalfa) strongly enhanced grasshopper resource-acquisition trait diversity in the focal grassland. Finally, grasshopper body size increased with landscape simplification, although the response was modulated by local factors such as soil depth. Trait-matching between plants and herbivores was an important driver explaining the abundance and diversity of resource-acquisition traits within grasshopper communities. However, the presence of specific habitats in the surrounding landscape had also a strong influence on herbivore functional diversity in grasslands. 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spelling 2021-07-16T15:18:17.5828215 v2 33666 2017-05-12 Trait-matching and mass effect determine the functional response of herbivore communities to land-use intensification 8416d0ffc3cccdad6e6d67a455e7c4a2 0000-0001-8763-5997 Luca Borger Luca Borger true false 2017-05-12 SBI Trait-based approaches represent a promising way to understand how trophic interactions shape animal communities. The approach relies on the identification of the traits that mediate the linkages between adjacent trophic levels, i.e. ‘trait-matching’. Yet, how trait-matching explains the abundance and diversity of animal communities has been barely explored. This question may be particularly critical in the context of land-use intensification, currently threatening biodiversity and associated ecosystem services. We collected a large dataset on plant and grasshopper traits from communities living in 204 grasslands, in an intensively managed agricultural landscape. We used a multi-trait approach to quantify the relative contributions of trait-matching and land-use intensification acting at both local and landscape scales on grasshopper functional diversity. We considered two key independent functional traits: incisor strength and body size of grasshopper species. Incisor strength, a resource-acquisition trait, strongly matches grasshopper feeding niche. Body size correlates with mobility traits, and may determine grasshopper dispersal abilities. Plant functional diversity positively impacted the diversity of grasshopper resource-acquisition traits, according to the degree of trait-matching observed between plants and herbivores. However, this positive effect was significantly higher in old grasslands. In addition, the presence of specific habitats in the landscape (i.e. wood and alfalfa) strongly enhanced grasshopper resource-acquisition trait diversity in the focal grassland. Finally, grasshopper body size increased with landscape simplification, although the response was modulated by local factors such as soil depth. Trait-matching between plants and herbivores was an important driver explaining the abundance and diversity of resource-acquisition traits within grasshopper communities. However, the presence of specific habitats in the surrounding landscape had also a strong influence on herbivore functional diversity in grasslands. Our study suggests that also mass effects are a central mechanism promoting higher functional diversity within animal communities in highly disturbed anthropogenic systems. Journal Article Functional Ecology 02698463 body size, functional trait diversity, grasshoppers, grassland, incisor strength, land-use intensification, metacommunity, plant–insect interactions, resource-acquisition traits 27 3 2017 2017-03-27 10.1111/1365-2435.12849 http://onlinelibrary.wiley.com/doi/10.1111/1365-2435.12849/full COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2021-07-16T15:18:17.5828215 2017-05-12T14:31:41.2432632 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Gaëtane Le Provost 1 Nicolas Gross 2 Luca Borger 0000-0001-8763-5997 3 Hélène Deraison 4 Marilyn Roncoroni 5 Isabelle Badenhausser 6 Julia Koricheva 7 0033666-12052017143454.pdf LeProvost_etal_2017_TraitMatchingMassEffects.pdf 2017-05-12T14:34:54.2800000 Output 1452744 application/pdf Accepted Manuscript true 2018-03-27T00:00:00.0000000 true eng
title Trait-matching and mass effect determine the functional response of herbivore communities to land-use intensification
spellingShingle Trait-matching and mass effect determine the functional response of herbivore communities to land-use intensification
Luca Borger
title_short Trait-matching and mass effect determine the functional response of herbivore communities to land-use intensification
title_full Trait-matching and mass effect determine the functional response of herbivore communities to land-use intensification
title_fullStr Trait-matching and mass effect determine the functional response of herbivore communities to land-use intensification
title_full_unstemmed Trait-matching and mass effect determine the functional response of herbivore communities to land-use intensification
title_sort Trait-matching and mass effect determine the functional response of herbivore communities to land-use intensification
author_id_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2
author_id_fullname_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2_***_Luca Borger
author Luca Borger
author2 Gaëtane Le Provost
Nicolas Gross
Luca Borger
Hélène Deraison
Marilyn Roncoroni
Isabelle Badenhausser
Julia Koricheva
format Journal article
container_title Functional Ecology
publishDate 2017
institution Swansea University
issn 02698463
doi_str_mv 10.1111/1365-2435.12849
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://onlinelibrary.wiley.com/doi/10.1111/1365-2435.12849/full
document_store_str 1
active_str 0
description Trait-based approaches represent a promising way to understand how trophic interactions shape animal communities. The approach relies on the identification of the traits that mediate the linkages between adjacent trophic levels, i.e. ‘trait-matching’. Yet, how trait-matching explains the abundance and diversity of animal communities has been barely explored. This question may be particularly critical in the context of land-use intensification, currently threatening biodiversity and associated ecosystem services. We collected a large dataset on plant and grasshopper traits from communities living in 204 grasslands, in an intensively managed agricultural landscape. We used a multi-trait approach to quantify the relative contributions of trait-matching and land-use intensification acting at both local and landscape scales on grasshopper functional diversity. We considered two key independent functional traits: incisor strength and body size of grasshopper species. Incisor strength, a resource-acquisition trait, strongly matches grasshopper feeding niche. Body size correlates with mobility traits, and may determine grasshopper dispersal abilities. Plant functional diversity positively impacted the diversity of grasshopper resource-acquisition traits, according to the degree of trait-matching observed between plants and herbivores. However, this positive effect was significantly higher in old grasslands. In addition, the presence of specific habitats in the landscape (i.e. wood and alfalfa) strongly enhanced grasshopper resource-acquisition trait diversity in the focal grassland. Finally, grasshopper body size increased with landscape simplification, although the response was modulated by local factors such as soil depth. Trait-matching between plants and herbivores was an important driver explaining the abundance and diversity of resource-acquisition traits within grasshopper communities. However, the presence of specific habitats in the surrounding landscape had also a strong influence on herbivore functional diversity in grasslands. Our study suggests that also mass effects are a central mechanism promoting higher functional diversity within animal communities in highly disturbed anthropogenic systems.
published_date 2017-03-27T03:41:41Z
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score 11.037581

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