Lower trophic levels and detrital biomass control the Bay of Biscay continental shelf food web: Implications for ecosystem management
[Departement_IRSTEA]Eaux [TR1_IRSTEA]QUASARE International audience The Bay of Biscay (North-East Atlantic) has long been subjected to intense direct and indirect human activities that lead to the excessive degradation and sometimes overexploitation of natural resources. Fisheries management is grad...
Published in: | Progress in Oceanography |
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Main Authors: | , , , , , , , , , , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2011
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Subjects: | |
Online Access: | https://hal.science/hal-00683349 https://hal.science/hal-00683349/document https://hal.science/hal-00683349/file/Lassalle_etal_2011.pdf https://doi.org/10.1016/j.pocean.2011.09.002 |
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ftunivrochelle:oai:HAL:hal-00683349v1 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
HAL - Université de La Rochelle |
op_collection_id |
ftunivrochelle |
language |
English |
topic |
ecosystem management bottom-up control multispecies fisheries Ecopath aquatic communities trophic structure continental shelf Bay of Biscay North-East Atlantic [SDE]Environmental Sciences [SDV.TOX.ECO]Life Sciences [q-bio]/Toxicology/Ecotoxicology |
spellingShingle |
ecosystem management bottom-up control multispecies fisheries Ecopath aquatic communities trophic structure continental shelf Bay of Biscay North-East Atlantic [SDE]Environmental Sciences [SDV.TOX.ECO]Life Sciences [q-bio]/Toxicology/Ecotoxicology Lassalle, Géraldine Lobry, Jérémy Le Loc’h, François Bustamante, Paco Certain, Grégoire Delmas, Daniel Dupuy, Christine Hily, Christian Labry, Claire Le Pape, Olivier Marquis, Elise Petitgas, Pierre Pusineri, Claire Ridoux, Vincent Spitz, Jérôme Niquil, Nathalie Lower trophic levels and detrital biomass control the Bay of Biscay continental shelf food web: Implications for ecosystem management |
topic_facet |
ecosystem management bottom-up control multispecies fisheries Ecopath aquatic communities trophic structure continental shelf Bay of Biscay North-East Atlantic [SDE]Environmental Sciences [SDV.TOX.ECO]Life Sciences [q-bio]/Toxicology/Ecotoxicology |
description |
[Departement_IRSTEA]Eaux [TR1_IRSTEA]QUASARE International audience The Bay of Biscay (North-East Atlantic) has long been subjected to intense direct and indirect human activities that lead to the excessive degradation and sometimes overexploitation of natural resources. Fisheries management is gradually moving away from single-species assessments to more holistic, multi-species approaches that better respond to the reality of ecosystem processes. Quantitative modelling methods such as Ecopath with Ecosim can be useful tools for planning, implementing and evaluating ecosystem-based fisheries management strategies. The aim of this study was therefore to model the energy fluxes within the food web of this highly pressured ecosystem and to extract practical information required in the diagnosis of ecosystem state/health. A well-described model comprising 30 living and two non-living compartments was successfully constructed with data of local origin, for the Bay of Biscay continental shelf. The same level of aggregation was applied to primary producers, mid-trophic-levels and top-predators boxes. The model was even more general as it encompassed the entire continuum of marine habitats, from benthic to pelagic domains. Output values for most ecosystem attributes indicated a relatively mature and stable ecosystem, with a large proportion of its energy flow originating from detritus. Ecological network analysis also provided evidence that bottom-up processes play a significant role in the population dynamics of upper-trophic-levels and in the global structuring of this marine ecosystem. Finally, a novel metric based on ecosystem production depicted an ecosystem not far from being overexploited. This finding being not entirely consistent over indicators, further analyses based on dynamic simulations are required. |
author2 |
LIttoral ENvironnement et Sociétés (LIENSs) La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) Ecosystèmes estuariens et poissons migrateurs amphihalins (UR EPBX) Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) Ecosystèmes Marins Exploités (UMR EME) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Montpellier (UM) Unité Dynamiques des Écosystèmes Côtiers (DYNECO) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Écologie et santé des écosystèmes (ESE) Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST Unité Écologie et Modèles pour l'Halieutique (EMH) Office National de la Chasse et de Faune Sauvage Cellule Technique Océan Indien Centre de Recherche sur les Mammifères Marins (CRMM) La Rochelle Université (ULR) French program PNEC”Chantier Golfe de Gascogne”;EU FP7 grant FACTS (Forage Fish Interactions);Grant Agreement No. 244966;European project REPRODUCE (EratNet-Marifish, WP7 European Project: 244966,EC:FP7:KBBE,FP7-KBBE-2009-3,FACTS(2010) |
format |
Article in Journal/Newspaper |
author |
Lassalle, Géraldine Lobry, Jérémy Le Loc’h, François Bustamante, Paco Certain, Grégoire Delmas, Daniel Dupuy, Christine Hily, Christian Labry, Claire Le Pape, Olivier Marquis, Elise Petitgas, Pierre Pusineri, Claire Ridoux, Vincent Spitz, Jérôme Niquil, Nathalie |
author_facet |
Lassalle, Géraldine Lobry, Jérémy Le Loc’h, François Bustamante, Paco Certain, Grégoire Delmas, Daniel Dupuy, Christine Hily, Christian Labry, Claire Le Pape, Olivier Marquis, Elise Petitgas, Pierre Pusineri, Claire Ridoux, Vincent Spitz, Jérôme Niquil, Nathalie |
author_sort |
Lassalle, Géraldine |
title |
Lower trophic levels and detrital biomass control the Bay of Biscay continental shelf food web: Implications for ecosystem management |
title_short |
Lower trophic levels and detrital biomass control the Bay of Biscay continental shelf food web: Implications for ecosystem management |
title_full |
Lower trophic levels and detrital biomass control the Bay of Biscay continental shelf food web: Implications for ecosystem management |
title_fullStr |
Lower trophic levels and detrital biomass control the Bay of Biscay continental shelf food web: Implications for ecosystem management |
title_full_unstemmed |
Lower trophic levels and detrital biomass control the Bay of Biscay continental shelf food web: Implications for ecosystem management |
title_sort |
lower trophic levels and detrital biomass control the bay of biscay continental shelf food web: implications for ecosystem management |
publisher |
HAL CCSD |
publishDate |
2011 |
url |
https://hal.science/hal-00683349 https://hal.science/hal-00683349/document https://hal.science/hal-00683349/file/Lassalle_etal_2011.pdf https://doi.org/10.1016/j.pocean.2011.09.002 |
genre |
North East Atlantic |
genre_facet |
North East Atlantic |
op_source |
ISSN: 0079-6611 Progress in Oceanography https://hal.science/hal-00683349 Progress in Oceanography, 2011, 91 (4), pp.561-575. ⟨10.1016/j.pocean.2011.09.002⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.pocean.2011.09.002 info:eu-repo/grantAgreement/EC/FP7/244966/EU/Forage Fish Interactions/FACTS hal-00683349 https://hal.science/hal-00683349 https://hal.science/hal-00683349/document https://hal.science/hal-00683349/file/Lassalle_etal_2011.pdf doi:10.1016/j.pocean.2011.09.002 IRSTEA: PUB00034672 PRODINRA: 172650 WOS: 000298202000014 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1016/j.pocean.2011.09.002 |
container_title |
Progress in Oceanography |
container_volume |
91 |
container_issue |
4 |
container_start_page |
561 |
op_container_end_page |
575 |
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1797589206313205760 |
spelling |
ftunivrochelle:oai:HAL:hal-00683349v1 2024-04-28T08:31:49+00:00 Lower trophic levels and detrital biomass control the Bay of Biscay continental shelf food web: Implications for ecosystem management Lassalle, Géraldine Lobry, Jérémy Le Loc’h, François Bustamante, Paco Certain, Grégoire Delmas, Daniel Dupuy, Christine Hily, Christian Labry, Claire Le Pape, Olivier Marquis, Elise Petitgas, Pierre Pusineri, Claire Ridoux, Vincent Spitz, Jérôme Niquil, Nathalie LIttoral ENvironnement et Sociétés (LIENSs) La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) Ecosystèmes estuariens et poissons migrateurs amphihalins (UR EPBX) Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) Ecosystèmes Marins Exploités (UMR EME) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Montpellier (UM) Unité Dynamiques des Écosystèmes Côtiers (DYNECO) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Écologie et santé des écosystèmes (ESE) Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST Unité Écologie et Modèles pour l'Halieutique (EMH) Office National de la Chasse et de Faune Sauvage Cellule Technique Océan Indien Centre de Recherche sur les Mammifères Marins (CRMM) La Rochelle Université (ULR) French program PNEC”Chantier Golfe de Gascogne”;EU FP7 grant FACTS (Forage Fish Interactions);Grant Agreement No. 244966;European project REPRODUCE (EratNet-Marifish, WP7 European Project: 244966,EC:FP7:KBBE,FP7-KBBE-2009-3,FACTS(2010) 2011 https://hal.science/hal-00683349 https://hal.science/hal-00683349/document https://hal.science/hal-00683349/file/Lassalle_etal_2011.pdf https://doi.org/10.1016/j.pocean.2011.09.002 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.pocean.2011.09.002 info:eu-repo/grantAgreement/EC/FP7/244966/EU/Forage Fish Interactions/FACTS hal-00683349 https://hal.science/hal-00683349 https://hal.science/hal-00683349/document https://hal.science/hal-00683349/file/Lassalle_etal_2011.pdf doi:10.1016/j.pocean.2011.09.002 IRSTEA: PUB00034672 PRODINRA: 172650 WOS: 000298202000014 info:eu-repo/semantics/OpenAccess ISSN: 0079-6611 Progress in Oceanography https://hal.science/hal-00683349 Progress in Oceanography, 2011, 91 (4), pp.561-575. ⟨10.1016/j.pocean.2011.09.002⟩ ecosystem management bottom-up control multispecies fisheries Ecopath aquatic communities trophic structure continental shelf Bay of Biscay North-East Atlantic [SDE]Environmental Sciences [SDV.TOX.ECO]Life Sciences [q-bio]/Toxicology/Ecotoxicology info:eu-repo/semantics/article Journal articles 2011 ftunivrochelle https://doi.org/10.1016/j.pocean.2011.09.002 2024-04-03T15:15:57Z [Departement_IRSTEA]Eaux [TR1_IRSTEA]QUASARE International audience The Bay of Biscay (North-East Atlantic) has long been subjected to intense direct and indirect human activities that lead to the excessive degradation and sometimes overexploitation of natural resources. Fisheries management is gradually moving away from single-species assessments to more holistic, multi-species approaches that better respond to the reality of ecosystem processes. Quantitative modelling methods such as Ecopath with Ecosim can be useful tools for planning, implementing and evaluating ecosystem-based fisheries management strategies. The aim of this study was therefore to model the energy fluxes within the food web of this highly pressured ecosystem and to extract practical information required in the diagnosis of ecosystem state/health. A well-described model comprising 30 living and two non-living compartments was successfully constructed with data of local origin, for the Bay of Biscay continental shelf. The same level of aggregation was applied to primary producers, mid-trophic-levels and top-predators boxes. The model was even more general as it encompassed the entire continuum of marine habitats, from benthic to pelagic domains. Output values for most ecosystem attributes indicated a relatively mature and stable ecosystem, with a large proportion of its energy flow originating from detritus. Ecological network analysis also provided evidence that bottom-up processes play a significant role in the population dynamics of upper-trophic-levels and in the global structuring of this marine ecosystem. Finally, a novel metric based on ecosystem production depicted an ecosystem not far from being overexploited. This finding being not entirely consistent over indicators, further analyses based on dynamic simulations are required. Article in Journal/Newspaper North East Atlantic HAL - Université de La Rochelle Progress in Oceanography 91 4 561 575 |