The effects of hypercapnia on the growth of juvenile white sturgeon, Acipenser transmontanus
Identifieur interne : 001A93 ( Main/Merge ); précédent : 001A92; suivant : 001A94The effects of hypercapnia on the growth of juvenile white sturgeon, Acipenser transmontanus
Auteurs : C. E. Crocker [États-Unis] ; J. J. Cech Jr [États-Unis]Source :
- Aquaculture [ 0044-8486 ] ; 1996.
Descripteurs français
- Pascal (Inist)
English descriptors
Abstract
Copyright (c) 1996 Elsevier Science B.V. All rights reserved. Environmental hypercapnia (high dissolved [CO2) results from high-density sturgeon culture in systems using O2 injection and water re-use. The influence of environmental hypercapnia on the growth of the juvenile white sturgeon, Acipenser transmontanus, (fish initial wet weight, about 4 g) was examined by exposing the fish to different CO2 concentrations in replicate, flow-through aquaria under normoxic conditions (oxygen tension, above 130 torr PO2) at 19°C. The fish were fed ad libitum rations of commercial trout pellets (Silvercup). After 28 days exposure to severe hypercapnia ([CO2, 45-75 mg l-1; pH 7.0), growth was significantly reduced (P<0.05) (the final body weight was reduced by about 38%; the specific growth rate (SGR), 1.17) compared to that of sturgeon in normocapnic water ([CO2, 0.52 mg l-1; pH 8.0; SGR, 2.86), presumably due to decreased food consumption. In two subsequent experiments (initial wet weights, approximately 1 and 3 g), a low water pH (a mean of 7.1, via HCl addition to water) did not significantly affect the growth.
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Pascal:97-0142105Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">The effects of hypercapnia on the growth of juvenile white sturgeon, Acipenser transmontanus</title><author><name sortKey="Crocker, C E" sort="Crocker, C E" uniqKey="Crocker C" first="C. E." last="Crocker">C. E. Crocker</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Wildlife, Fish, and Conservation Biology, University of California</s1><s2>Davis, CA</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Cech Jr, J J" sort="Cech Jr, J J" uniqKey="Cech Jr J" first="J. J." last="Cech Jr">J. J. Cech Jr</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Wildlife, Fish, and Conservation Biology, University of California</s1><s2>Davis, CA</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">97-0142105</idno><date when="1996">1996</date><idno type="stanalyst">PASCAL 97-0142105 Elsevier</idno><idno type="RBID">Pascal:97-0142105</idno><idno type="wicri:Area/PascalFrancis/Corpus">000480</idno><idno type="wicri:Area/PascalFrancis/Curation">000631</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000476</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000476</idno><idno type="wicri:doubleKey">0044-8486:1996:Crocker C:the:effects:of</idno><idno type="wicri:Area/Main/Merge">001A93</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The effects of hypercapnia on the growth of juvenile white sturgeon, Acipenser transmontanus</title><author><name sortKey="Crocker, C E" sort="Crocker, C E" uniqKey="Crocker C" first="C. E." last="Crocker">C. E. Crocker</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Wildlife, Fish, and Conservation Biology, University of California</s1><s2>Davis, CA</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Cech Jr, J J" sort="Cech Jr, J J" uniqKey="Cech Jr J" first="J. J." last="Cech Jr">J. J. Cech Jr</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Wildlife, Fish, and Conservation Biology, University of California</s1><s2>Davis, CA</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Aquaculture</title><title level="j" type="abbreviated">Aquaculture</title><idno type="ISSN">0044-8486</idno><imprint><date when="1996">1996</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Aquaculture</title><title level="j" type="abbreviated">Aquaculture</title><idno type="ISSN">0044-8486</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acipenser transmontanus</term><term>Carbon dioxide</term><term>Growth</term><term>Induced hypercapnia</term><term>Young animal</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Hypercapnie provoquée</term><term>Croissance</term><term>Animal jeune</term><term>Carbone dioxyde</term><term>Acipenser transmontanus</term><term>Acipenseridae</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Copyright (c) 1996 Elsevier Science B.V. All rights reserved. Environmental hypercapnia (high dissolved [CO<sub>2</sub>) results from high-density sturgeon culture in systems using O<sub>2</sub> injection and water re-use. The influence of environmental hypercapnia on the growth of the juvenile white sturgeon, Acipenser transmontanus, (fish initial wet weight, about 4 g) was examined by exposing the fish to different CO<sub>2</sub> concentrations in replicate, flow-through aquaria under normoxic conditions (oxygen tension, above 130 torr P<sub>O2</sub>) at 19°C. The fish were fed ad libitum rations of commercial trout pellets (Silvercup). After 28 days exposure to severe hypercapnia ([CO<sub>2</sub>, 45-75 mg l<sup>-1</sup>; pH 7.0), growth was significantly reduced (P<0.05) (the final body weight was reduced by about 38%; the specific growth rate (SGR), 1.17) compared to that of sturgeon in normocapnic water ([CO<sub>2</sub>, 0.52 mg l<sup>-1</sup>; pH 8.0; SGR, 2.86), presumably due to decreased food consumption. In two subsequent experiments (initial wet weights, approximately 1 and 3 g), a low water pH (a mean of 7.1, via HCl addition to water) did not significantly affect the growth.</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="Crocker, C E" sort="Crocker, C E" uniqKey="Crocker C" first="C. E." last="Crocker">C. E. Crocker</name></region><name sortKey="Cech Jr, J J" sort="Cech Jr, J J" uniqKey="Cech Jr J" first="J. J." last="Cech Jr">J. J. Cech Jr</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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