Let's go beyond taxonomy in diet description: testing a trait-based approach to prey-predator relationships.
International audience : Understanding 'Why a prey is a prey for a given predator?' can be facilitated through trait-based approaches that identify linkages between prey and predator morphological and ecological characteristics and highlight key functions involved in prey selection. Enhanc...
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Online Access: | https://hal.science/hal-01061113 https://doi.org/10.1111/1365-2656.12218 |
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ftinsu:oai:HAL:hal-01061113v1 2023-05-15T17:41:34+02:00 Let's go beyond taxonomy in diet description: testing a trait-based approach to prey-predator relationships. Spitz, Jérôme Ridoux, Vincent Brind'Amour, Anik LIttoral ENvironnement et Sociétés - UMR 7266 (LIENSs) Institut national des sciences de l'Univers (INSU - CNRS)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) Écologie et Modèles pour l'Halieutique (EMH) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) 2014-03-19 https://hal.science/hal-01061113 https://doi.org/10.1111/1365-2656.12218 en eng HAL CCSD Wiley info:eu-repo/semantics/altIdentifier/doi/10.1111/1365-2656.12218 info:eu-repo/semantics/altIdentifier/pmid/24645977 hal-01061113 https://hal.science/hal-01061113 doi:10.1111/1365-2656.12218 PUBMED: 24645977 ISSN: 0021-8790 EISSN: 1365-2656 Journal of Animal Ecology https://hal.science/hal-01061113 Journal of Animal Ecology, 2014, 83, pp.1137-1148. ⟨10.1111/1365-2656.12218⟩ [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2014 ftinsu https://doi.org/10.1111/1365-2656.12218 2023-02-08T18:39:13Z International audience : Understanding 'Why a prey is a prey for a given predator?' can be facilitated through trait-based approaches that identify linkages between prey and predator morphological and ecological characteristics and highlight key functions involved in prey selection. Enhanced understanding of the functional relationships between predators and their prey is now essential to go beyond the traditional taxonomic framework of dietary studies and to improve our knowledge of ecosystem functioning for wildlife conservation and management. We test the relevance of a three-matrix approach in foraging ecology among a marine mammal community in the northeast Atlantic to identify the key functional traits shaping prey selection processes regardless of the taxonomy of both the predators and prey. Our study reveals that prey found in the diet of marine mammals possess functional traits which are directly and significantly linked to predator characteristics, allowing the establishment of a functional typology of marine mammal-prey relationships. We found prey selection of marine mammals was primarily shaped by physiological and morphological traits of both predators and prey, confirming that energetic costs of foraging strategies and muscular performance are major drivers of prey selection in marine mammals. We demonstrate that trait-based approaches can provide a new definition of the resource needs of predators. This framework can be used to anticipate bottom-up effects on marine predator population dynamics and to identify predators which are sensitive to the loss of key prey functional traits when prey availability is reduced. Article in Journal/Newspaper Northeast Atlantic Institut national des sciences de l'Univers: HAL-INSU Journal of Animal Ecology 83 5 1137 1148 |
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Institut national des sciences de l'Univers: HAL-INSU |
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English |
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[SDE]Environmental Sciences |
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[SDE]Environmental Sciences Spitz, Jérôme Ridoux, Vincent Brind'Amour, Anik Let's go beyond taxonomy in diet description: testing a trait-based approach to prey-predator relationships. |
topic_facet |
[SDE]Environmental Sciences |
description |
International audience : Understanding 'Why a prey is a prey for a given predator?' can be facilitated through trait-based approaches that identify linkages between prey and predator morphological and ecological characteristics and highlight key functions involved in prey selection. Enhanced understanding of the functional relationships between predators and their prey is now essential to go beyond the traditional taxonomic framework of dietary studies and to improve our knowledge of ecosystem functioning for wildlife conservation and management. We test the relevance of a three-matrix approach in foraging ecology among a marine mammal community in the northeast Atlantic to identify the key functional traits shaping prey selection processes regardless of the taxonomy of both the predators and prey. Our study reveals that prey found in the diet of marine mammals possess functional traits which are directly and significantly linked to predator characteristics, allowing the establishment of a functional typology of marine mammal-prey relationships. We found prey selection of marine mammals was primarily shaped by physiological and morphological traits of both predators and prey, confirming that energetic costs of foraging strategies and muscular performance are major drivers of prey selection in marine mammals. We demonstrate that trait-based approaches can provide a new definition of the resource needs of predators. This framework can be used to anticipate bottom-up effects on marine predator population dynamics and to identify predators which are sensitive to the loss of key prey functional traits when prey availability is reduced. |
author2 |
LIttoral ENvironnement et Sociétés - UMR 7266 (LIENSs) Institut national des sciences de l'Univers (INSU - CNRS)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) Écologie et Modèles pour l'Halieutique (EMH) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) |
format |
Article in Journal/Newspaper |
author |
Spitz, Jérôme Ridoux, Vincent Brind'Amour, Anik |
author_facet |
Spitz, Jérôme Ridoux, Vincent Brind'Amour, Anik |
author_sort |
Spitz, Jérôme |
title |
Let's go beyond taxonomy in diet description: testing a trait-based approach to prey-predator relationships. |
title_short |
Let's go beyond taxonomy in diet description: testing a trait-based approach to prey-predator relationships. |
title_full |
Let's go beyond taxonomy in diet description: testing a trait-based approach to prey-predator relationships. |
title_fullStr |
Let's go beyond taxonomy in diet description: testing a trait-based approach to prey-predator relationships. |
title_full_unstemmed |
Let's go beyond taxonomy in diet description: testing a trait-based approach to prey-predator relationships. |
title_sort |
let's go beyond taxonomy in diet description: testing a trait-based approach to prey-predator relationships. |
publisher |
HAL CCSD |
publishDate |
2014 |
url |
https://hal.science/hal-01061113 https://doi.org/10.1111/1365-2656.12218 |
genre |
Northeast Atlantic |
genre_facet |
Northeast Atlantic |
op_source |
ISSN: 0021-8790 EISSN: 1365-2656 Journal of Animal Ecology https://hal.science/hal-01061113 Journal of Animal Ecology, 2014, 83, pp.1137-1148. ⟨10.1111/1365-2656.12218⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1111/1365-2656.12218 info:eu-repo/semantics/altIdentifier/pmid/24645977 hal-01061113 https://hal.science/hal-01061113 doi:10.1111/1365-2656.12218 PUBMED: 24645977 |
op_doi |
https://doi.org/10.1111/1365-2656.12218 |
container_title |
Journal of Animal Ecology |
container_volume |
83 |
container_issue |
5 |
container_start_page |
1137 |
op_container_end_page |
1148 |
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1766143188758691840 |