Ranking the ecological relative status of exploited marine ecosystems
Identifieur interne : 007069 ( Main/Exploration ); précédent : 007068; suivant : 007070Ranking the ecological relative status of exploited marine ecosystems
Auteurs : Marta Coll [Canada] ; Lynne J. Shannon [Afrique du Sud] ; Dawit Yemane [Afrique du Sud] ; Jason S. Link [États-Unis] ; Henn Ojaveer [Estonie] ; Sergio Neira [Chili] ; Didier Jouffre [France] ; Pierre Labrosse [Mauritanie] ; Johanna J. Heymans [Royaume-Uni] ; Elizabeth A. Fulton [Australie] ; Yunne-Jai Shin [France]Source :
- ICES Journal of Marine Science [ 1054-3139 ] ; 2010-05.
Abstract
Coll, M., Shannon, L. J., Yemane, D., Link, J. S., Ojaveer, H., Neira, S., Jouffre, D., Labrosse, P., Heymans, J. J., Fulton, E. A., and Shin, Y-J. 2010. Ranking the ecological relative status of exploited marine ecosystems. – ICES Journal of Marine Science, 67: 769–786. A set of simple, data-based ecological indicators was used to rank exploited ecosystems regarding fishing impacts with respect to their status, trends, and ecosystem EAF attributes. Expected theoretical changes in indicators with respect to increasing fishing impacts were considered, and ecosystems were compared by examining the mean values of indicators in the most recent three years for which data were available and over time (1980–2005 and 1996–2005). Systems were classified into nine potential categories according to whether they were most, moderately, or least impacted, and whether they were becoming more or less impacted, or remaining stationary. The responses of ecological indicators to additional environmental and socio-economic explanatory factors were tested. Ecosystems ranked using short- and long-term trends and states differed because of differences in trends, underscoring the importance of analysing both states and trends in ecosystem analyses. The number of ecosystems classified as unclear or intermediately impacted has increased recently, the proportion of ecosystems classified as less strongly impacted has been maintained, but more now fall within the category more strongly impacted in terms of long-term trends and states. Ecosystem type, fisheries enforcement, primary production, sea temperature, and fishing type were important variables explaining the ecological indicators. The results reflect different changes and processes in the ecosystems, demonstrating that information on ecological, environmental, and fishery histories is crucial to interpreting indicators correctly, while disentangling the effects of fishing and of the environment.
Url:
DOI: 10.1093/icesjms/fsp261
Affiliations:
- Afrique du Sud, Australie, Canada, Chili, Estonie, France, Mauritanie, Royaume-Uni, États-Unis
- Languedoc-Roussillon, Massachusetts, Occitanie (région administrative), Écosse
- Montpellier, Sète
- Université Montpellier 2
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Link</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>National Marine Fisheries Service, Northeast Fisheries Science Center, 166 Water Street, Woods Hole, MA 02543</wicri:regionArea><placeName><region type="state">Massachusetts</region></placeName></affiliation></author><author><name sortKey="Ojaveer, Henn" sort="Ojaveer, Henn" uniqKey="Ojaveer H" first="Henn" last="Ojaveer">Henn Ojaveer</name><affiliation wicri:level="1"><country xml:lang="fr">Estonie</country><wicri:regionArea>Estonian Marine Insitute, University of Tartu, Lootsi 2a, 80012 Pärnu</wicri:regionArea><wicri:noRegion>80012 Pärnu</wicri:noRegion></affiliation></author><author><name sortKey="Neira, Sergio" sort="Neira, Sergio" uniqKey="Neira S" first="Sergio" last="Neira">Sergio Neira</name><affiliation wicri:level="1"><country xml:lang="fr">Chili</country><wicri:regionArea>Departamento de Oceanografía, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Casilla 160-C, Concepción</wicri:regionArea><wicri:noRegion>Concepción</wicri:noRegion></affiliation></author><author><name sortKey="Jouffre, Didier" sort="Jouffre, Didier" uniqKey="Jouffre D" first="Didier" last="Jouffre">Didier Jouffre</name><affiliation wicri:level="4"><country xml:lang="fr">France</country><wicri:regionArea>Institut de Recherche pour le Développement (IRD), Laboratoire ECOLAG (UMR 5119), Université Montpellier II, Place E. 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J., Yemane, D., Link, J. S., Ojaveer, H., Neira, S., Jouffre, D., Labrosse, P., Heymans, J. J., Fulton, E. A., and Shin, Y-J. 2010. Ranking the ecological relative status of exploited marine ecosystems. – ICES Journal of Marine Science, 67: 769–786. A set of simple, data-based ecological indicators was used to rank exploited ecosystems regarding fishing impacts with respect to their status, trends, and ecosystem EAF attributes. Expected theoretical changes in indicators with respect to increasing fishing impacts were considered, and ecosystems were compared by examining the mean values of indicators in the most recent three years for which data were available and over time (1980–2005 and 1996–2005). Systems were classified into nine potential categories according to whether they were most, moderately, or least impacted, and whether they were becoming more or less impacted, or remaining stationary. The responses of ecological indicators to additional environmental and socio-economic explanatory factors were tested. Ecosystems ranked using short- and long-term trends and states differed because of differences in trends, underscoring the importance of analysing both states and trends in ecosystem analyses. The number of ecosystems classified as unclear or intermediately impacted has increased recently, the proportion of ecosystems classified as less strongly impacted has been maintained, but more now fall within the category more strongly impacted in terms of long-term trends and states. Ecosystem type, fisheries enforcement, primary production, sea temperature, and fishing type were important variables explaining the ecological indicators. The results reflect different changes and processes in the ecosystems, demonstrating that information on ecological, environmental, and fishery histories is crucial to interpreting indicators correctly, while disentangling the effects of fishing and of the environment.</div></front></TEI><affiliations><list><country><li>Afrique du Sud</li><li>Australie</li><li>Canada</li><li>Chili</li><li>Estonie</li><li>France</li><li>Mauritanie</li><li>Royaume-Uni</li><li>États-Unis</li></country><region><li>Languedoc-Roussillon</li><li>Massachusetts</li><li>Occitanie (région administrative)</li><li>Écosse</li></region><settlement><li>Montpellier</li><li>Sète</li></settlement><orgName><li>Université Montpellier 2</li></orgName></list><tree><country name="Canada"><noRegion><name sortKey="Coll, Marta" sort="Coll, Marta" uniqKey="Coll M" first="Marta" last="Coll">Marta Coll</name></noRegion><name sortKey="Coll, Marta" sort="Coll, Marta" uniqKey="Coll M" first="Marta" last="Coll">Marta Coll</name><name sortKey="Coll, Marta" sort="Coll, Marta" uniqKey="Coll M" first="Marta" last="Coll">Marta Coll</name></country><country name="Afrique du Sud"><noRegion><name sortKey="Shannon, Lynne J" sort="Shannon, Lynne J" uniqKey="Shannon L" first="Lynne J." last="Shannon">Lynne J. 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Link</name></region></country><country name="Estonie"><noRegion><name sortKey="Ojaveer, Henn" sort="Ojaveer, Henn" uniqKey="Ojaveer H" first="Henn" last="Ojaveer">Henn Ojaveer</name></noRegion></country><country name="Chili"><noRegion><name sortKey="Neira, Sergio" sort="Neira, Sergio" uniqKey="Neira S" first="Sergio" last="Neira">Sergio Neira</name></noRegion></country><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Jouffre, Didier" sort="Jouffre, Didier" uniqKey="Jouffre D" first="Didier" last="Jouffre">Didier Jouffre</name></region><name sortKey="Shin, Yunne Jai" sort="Shin, Yunne Jai" uniqKey="Shin Y" first="Yunne-Jai" last="Shin">Yunne-Jai Shin</name></country><country name="Mauritanie"><noRegion><name sortKey="Labrosse, Pierre" sort="Labrosse, Pierre" uniqKey="Labrosse P" first="Pierre" last="Labrosse">Pierre Labrosse</name></noRegion></country><country name="Royaume-Uni"><region name="Écosse"><name sortKey="Heymans, Johanna J" sort="Heymans, Johanna J" uniqKey="Heymans J" first="Johanna J." last="Heymans">Johanna J. Heymans</name></region></country><country name="Australie"><noRegion><name sortKey="Fulton, Elizabeth A" sort="Fulton, Elizabeth A" uniqKey="Fulton E" first="Elizabeth A." last="Fulton">Elizabeth A. Fulton</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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