Bioenergetics, Trophic Ecology, and Niche Separation of Tunas.
Identifieur interne : 00E327 ( Main/Exploration ); précédent : 00E326; suivant : 00E328Bioenergetics, Trophic Ecology, and Niche Separation of Tunas.
Auteurs : R J Olson [États-Unis] ; J W Young [Australie] ; F. Ménard [France] ; M. Potier [France] ; V. Allain ; N. Go I [Espagne] ; J M Logan [États-Unis] ; F. Galván-Maga A [Mexique]Source :
- Advances in marine biology [ 0065-2881 ]
Descripteurs français
- KwdFr :
- MESH :
- médecine vétérinaire : Régime alimentaire.
- métabolisme : Thon.
- physiologie : Métabolisme énergétique, Reproduction, Thon.
- économie : Pêcheries.
- Animaux, Comportement alimentaire, Consommation alimentaire, Modèles biologiques, Océans et mers, Écologie.
English descriptors
- KwdEn :
- MESH :
- economics : Fisheries.
- metabolism : Tuna.
- physiology : Energy Metabolism, Reproduction, Tuna.
- veterinary : Diet.
- Animals, Eating, Ecology, Feeding Behavior, Models, Biological, Oceans and Seas.
Abstract
Tunas are highly specialized predators that have evolved numerous adaptations for a lifestyle that requires large amounts of energy consumption. Here we review our understanding of the bioenergetics and feeding dynamics of tunas on a global scale, with an emphasis on yellowfin, bigeye, skipjack, albacore, and Atlantic bluefin tunas. Food consumption balances bioenergetics expenditures for respiration, growth (including gonad production), specific dynamic action, egestion, and excretion. Tunas feed across the micronekton and some large zooplankton. Some tunas appear to time their life history to take advantage of ephemeral aggregations of crustacean, fish, and molluscan prey. Ontogenetic and spatial diet differences are substantial, and significant interdecadal changes in prey composition have been observed. Diet shifts from larger to smaller prey taxa highlight ecosystem-wide changes in prey availability and diversity and provide implications for changing bioenergetics requirements into the future. Where tunas overlap, we show evidence of niche separation between them; resources are divided largely by differences in diet percentages and size ranges of prey taxa. The lack of long-term data limits the ability to predict impacts of climate change on tuna feeding behaviour. We note the need for systematic collection of feeding data as part of routine monitoring of these species, and we highlight the advantages of using biochemical techniques for broad-scale analyses of trophic relations. We support the continued development of ecosystem models, which all too often lack the regional-specific trophic data needed to adequately investigate climate and fishing impacts.
DOI: 10.1016/bs.amb.2016.06.002
PubMed: 27573052
Affiliations:
- Australie, Espagne, France, Mexique, États-Unis
- Californie, Massachusetts, Provence-Alpes-Côte d'Azur
- Marseille
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Le document en format XML
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Go I</name><affiliation wicri:level="1"><nlm:affiliation>AZTI-Tecnalia/Marine Research, Pasaia, Gipuzkoa, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>AZTI-Tecnalia/Marine Research, Pasaia, Gipuzkoa</wicri:regionArea><wicri:noRegion>Gipuzkoa</wicri:noRegion></affiliation></author><author><name sortKey="Logan, J M" sort="Logan, J M" uniqKey="Logan J" first="J M" last="Logan">J M Logan</name><affiliation wicri:level="2"><nlm:affiliation>Massachusetts Division of Marine Fisheries, New Bedford, MA, United States.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Massachusetts Division of Marine Fisheries, New Bedford, MA</wicri:regionArea><placeName><region type="state">Massachusetts</region></placeName></affiliation></author><author><name sortKey="Galvan Maga A, F" sort="Galvan Maga A, F" uniqKey="Galvan Maga A F" first="F" last="Galván-Maga A">F. Galván-Maga A</name><affiliation wicri:level="1"><nlm:affiliation>Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, La Paz, Baja California Sur, Mexico.</nlm:affiliation><country xml:lang="fr">Mexique</country><wicri:regionArea>Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, La Paz, Baja California Sur</wicri:regionArea><wicri:noRegion>Baja California Sur</wicri:noRegion></affiliation></author></analytic><series><title level="j">Advances in marine biology</title><idno type="ISSN">0065-2881</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Diet (veterinary)</term><term>Eating</term><term>Ecology</term><term>Energy Metabolism (physiology)</term><term>Feeding Behavior</term><term>Fisheries (economics)</term><term>Models, Biological</term><term>Oceans and Seas</term><term>Reproduction (physiology)</term><term>Tuna (metabolism)</term><term>Tuna (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term><term>Comportement alimentaire</term><term>Consommation alimentaire</term><term>Modèles biologiques</term><term>Métabolisme énergétique (physiologie)</term><term>Océans et mers</term><term>Pêcheries (économie)</term><term>Reproduction (physiologie)</term><term>Régime alimentaire (médecine vétérinaire)</term><term>Thon (métabolisme)</term><term>Thon (physiologie)</term><term>Écologie</term></keywords><keywords scheme="MESH" qualifier="economics" xml:lang="en"><term>Fisheries</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Tuna</term></keywords><keywords scheme="MESH" qualifier="médecine vétérinaire" xml:lang="fr"><term>Régime alimentaire</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Thon</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Métabolisme énergétique</term><term>Reproduction</term><term>Thon</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Energy Metabolism</term><term>Reproduction</term><term>Tuna</term></keywords><keywords scheme="MESH" qualifier="veterinary" xml:lang="en"><term>Diet</term></keywords><keywords scheme="MESH" qualifier="économie" xml:lang="fr"><term>Pêcheries</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Eating</term><term>Ecology</term><term>Feeding Behavior</term><term>Models, Biological</term><term>Oceans and Seas</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Comportement alimentaire</term><term>Consommation alimentaire</term><term>Modèles biologiques</term><term>Océans et mers</term><term>Écologie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Tunas are highly specialized predators that have evolved numerous adaptations for a lifestyle that requires large amounts of energy consumption. Here we review our understanding of the bioenergetics and feeding dynamics of tunas on a global scale, with an emphasis on yellowfin, bigeye, skipjack, albacore, and Atlantic bluefin tunas. Food consumption balances bioenergetics expenditures for respiration, growth (including gonad production), specific dynamic action, egestion, and excretion. Tunas feed across the micronekton and some large zooplankton. Some tunas appear to time their life history to take advantage of ephemeral aggregations of crustacean, fish, and molluscan prey. Ontogenetic and spatial diet differences are substantial, and significant interdecadal changes in prey composition have been observed. Diet shifts from larger to smaller prey taxa highlight ecosystem-wide changes in prey availability and diversity and provide implications for changing bioenergetics requirements into the future. Where tunas overlap, we show evidence of niche separation between them; resources are divided largely by differences in diet percentages and size ranges of prey taxa. The lack of long-term data limits the ability to predict impacts of climate change on tuna feeding behaviour. We note the need for systematic collection of feeding data as part of routine monitoring of these species, and we highlight the advantages of using biochemical techniques for broad-scale analyses of trophic relations. We support the continued development of ecosystem models, which all too often lack the regional-specific trophic data needed to adequately investigate climate and fishing impacts.</div></front></TEI><affiliations><list><country><li>Australie</li><li>Espagne</li><li>France</li><li>Mexique</li><li>États-Unis</li></country><region><li>Californie</li><li>Massachusetts</li><li>Provence-Alpes-Côte d'Azur</li></region><settlement><li>Marseille</li></settlement></list><tree><noCountry><name sortKey="Allain, V" sort="Allain, V" uniqKey="Allain V" first="V" last="Allain">V. Allain</name></noCountry><country name="États-Unis"><region name="Californie"><name sortKey="Olson, R J" sort="Olson, R J" uniqKey="Olson R" first="R J" last="Olson">R J Olson</name></region><name sortKey="Logan, J M" sort="Logan, J M" uniqKey="Logan J" first="J M" last="Logan">J M Logan</name></country><country name="Australie"><noRegion><name sortKey="Young, J W" sort="Young, J W" uniqKey="Young J" first="J W" last="Young">J W Young</name></noRegion></country><country name="France"><region name="Provence-Alpes-Côte d'Azur"><name sortKey="Menard, F" sort="Menard, F" uniqKey="Menard F" first="F" last="Ménard">F. Ménard</name></region><name sortKey="Potier, M" sort="Potier, M" uniqKey="Potier M" first="M" last="Potier">M. Potier</name></country><country name="Espagne"><noRegion><name sortKey="Go I, N" sort="Go I, N" uniqKey="Go I N" first="N" last="Go I">N. Go I</name></noRegion></country><country name="Mexique"><noRegion><name sortKey="Galvan Maga A, F" sort="Galvan Maga A, F" uniqKey="Galvan Maga A F" first="F" last="Galván-Maga A">F. Galván-Maga A</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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