Routine metabolism of the white sturgeon, Acipenser transmontanus : Effect of population density and hypoxia
Identifieur interne : 001301 ( Istex/Checkpoint ); précédent : 001300; suivant : 001302Routine metabolism of the white sturgeon, Acipenser transmontanus : Effect of population density and hypoxia
Auteurs : Philippe M. Ruer [États-Unis] ; Joseph J. Cech Jr. [États-Unis] ; Serge I. Doroshov [États-Unis]Source :
- Aquaculture [ 0044-8486 ] ; 1987.
Abstract
The effects of population density and dissolved oxygen tension on the routine metabolism of 2 kg, 2-year-old white sturgeon, Acipenser transmontanus, were investigated, using a closed respirometer. The routine metabolic rate of post-absorptive fish averaged 94.3±3.4 mg O2/kg0.66h−1 (x±SE) at 18°C, and overall metabolism increased (P<0.05) when stocking density increased from three to 11 fish/m2. Hypoxic (PO2<100 mm Hg) and normoxic (PO2>130 mm Hg) metabolic rates were not significantly different within a stocking density. Feeding and handling fish significantly increased their metabolic rate compared with starved fish (P<0.005), but this difference disappeared after 5 h. Swimming motions of the test fish were recorded on videotape, but stocking density and dissolved oxygen tension had no significant effect on the computed swimming activity index.
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DOI: 10.1016/0044-8486(87)90183-9
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Ruer</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Animal Science, University of California, Davis</wicri:cityArea></affiliation></author><author><name sortKey="Cech Jr, Joseph J" sort="Cech Jr, Joseph J" uniqKey="Cech Jr J" first="Joseph J." last="Cech Jr.">Joseph J. Cech Jr.</name><affiliation></affiliation><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Wildlife and Fisheries Biology, University of California, Davis</wicri:cityArea></affiliation><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Aquaculture and Fisheries Program, University of California, Davis</wicri:cityArea></affiliation></author><author><name sortKey="Doroshov, Serge I" sort="Doroshov, Serge I" uniqKey="Doroshov S" first="Serge I." last="Doroshov">Serge I. Doroshov</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Animal Science, University of California, Davis</wicri:cityArea></affiliation></author></analytic><monogr></monogr><series><title level="j">Aquaculture</title><title level="j" type="abbrev">AQUA</title><idno type="ISSN">0044-8486</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1987">1987</date><biblScope unit="volume">62</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="45">45</biblScope><biblScope unit="page" to="52">52</biblScope></imprint><idno type="ISSN">0044-8486</idno></series><idno type="istex">13A56BFBAFD623EB8230E1C51EFE42A686A80805</idno><idno type="DOI">10.1016/0044-8486(87)90183-9</idno><idno type="PII">0044-8486(87)90183-9</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0044-8486</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The effects of population density and dissolved oxygen tension on the routine metabolism of 2 kg, 2-year-old white sturgeon, Acipenser transmontanus, were investigated, using a closed respirometer. The routine metabolic rate of post-absorptive fish averaged 94.3±3.4 mg O2/kg0.66h−1 (x±SE) at 18°C, and overall metabolism increased (P<0.05) when stocking density increased from three to 11 fish/m2. Hypoxic (PO2<100 mm Hg) and normoxic (PO2>130 mm Hg) metabolic rates were not significantly different within a stocking density. Feeding and handling fish significantly increased their metabolic rate compared with starved fish (P<0.005), but this difference disappeared after 5 h. Swimming motions of the test fish were recorded on videotape, but stocking density and dissolved oxygen tension had no significant effect on the computed swimming activity index.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Californie</li></region></list><tree><country name="États-Unis"><region name="Californie"><name sortKey="Ruer, Philippe M" sort="Ruer, Philippe M" uniqKey="Ruer P" first="Philippe M." last="Ruer">Philippe M. Ruer</name></region><name sortKey="Cech Jr, Joseph J" sort="Cech Jr, Joseph J" uniqKey="Cech Jr J" first="Joseph J." last="Cech Jr.">Joseph J. Cech Jr.</name><name sortKey="Cech Jr, Joseph J" sort="Cech Jr, Joseph J" uniqKey="Cech Jr J" first="Joseph J." last="Cech Jr.">Joseph J. Cech Jr.</name><name sortKey="Doroshov, Serge I" sort="Doroshov, Serge I" uniqKey="Doroshov S" first="Serge I." last="Doroshov">Serge I. Doroshov</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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