Behavioural salinity preferences of juvenile green sturgeon Acipenser medirostris acclimated to fresh water and full‐strength salt water
Identifieur interne : 000394 ( Main/Merge ); précédent : 000393; suivant : 000395Behavioural salinity preferences of juvenile green sturgeon Acipenser medirostris acclimated to fresh water and full‐strength salt water
Auteurs : J. B. Poletto [États-Unis] ; D. E. Cocherell [États-Unis] ; A. P. Klimley [États-Unis] ; J. J. Cech Jr. [États-Unis] ; N. A. Fangue [États-Unis]Source :
- Journal of Fish Biology [ 0022-1112 ] ; 2013-02.
English descriptors
- KwdEn :
- MESH :
- physiology : Acclimatization, Behavior, Animal, Fishes.
- Animals, Fresh Water, Salinity, Seawater, Time Factors.
Abstract
To quantify the salinity preference of juvenile green sturgeon Acipenser medirostris, two groups of A. medirostris [140 days post hatch (dph); total length (LT) 38·0–52·5 cm] were acclimated to either near fresh water (mean ± s.e. salinity = 3·2 ± 0·6) or full‐strength salt water (34·1 ± 1·2) over 8 weeks. Following acclimation, the two groups were divided into experimental and control groups, where experimental A. medirostris from both freshwater and saltwater acclimations were individually introduced (200–220 dph) into a rectangular salinity‐preference flume (maximum salinity gradient: 5–33). Control A. medirostris were presented with only their acclimation water (fresh water or salt water) on both sides of the flume. It was demonstrated that A. medirostris acclimated to both salt water and fresh water spent a significantly greater amount of time on the side of the testing area with the highest salinity concentration (P < 0·05 and P < 0·001, respectively) while control A. medirostris spent an equal amount of time on each side of the flume. These findings indicate that juvenile A. medirostris are not only capable of detecting salt water within the first year of their lives but perhaps are actively seeking out saline environments as they move through a watershed. Establishing A. medirostris salinity preferences provides a better understanding of the early life history of this threatened species, shedding light on possible outmigration timing.
Url:
DOI: 10.1111/jfb.12023
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Fangue</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>University of California, Department of Wildlife, Fish and Conservation Biology, One Shields Avenue, Davis, CA 95616</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Fish Biology</title><title level="j" type="abbrev">J Fish Biol</title><idno type="ISSN">0022-1112</idno><idno type="eISSN">1095-8649</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2013-02">2013-02</date><biblScope unit="volume">82</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="671">671</biblScope><biblScope unit="page" to="685">685</biblScope></imprint><idno type="ISSN">0022-1112</idno></series><idno type="istex">8330BE768E0C801FA4AFBF756F84B105E2C33D3A</idno><idno type="DOI">10.1111/jfb.12023</idno><idno type="ArticleID">JFB12023</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0022-1112</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acclimatization (physiology)</term><term>Animals</term><term>Behavior, Animal (physiology)</term><term>Fishes (physiology)</term><term>Fresh Water</term><term>Salinity</term><term>Seawater</term><term>Time Factors</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Acclimatization</term><term>Behavior, Animal</term><term>Fishes</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Fresh Water</term><term>Salinity</term><term>Seawater</term><term>Time Factors</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">To quantify the salinity preference of juvenile green sturgeon Acipenser medirostris, two groups of A. medirostris [140 days post hatch (dph); total length (LT) 38·0–52·5 cm] were acclimated to either near fresh water (mean ± s.e. salinity = 3·2 ± 0·6) or full‐strength salt water (34·1 ± 1·2) over 8 weeks. Following acclimation, the two groups were divided into experimental and control groups, where experimental A. medirostris from both freshwater and saltwater acclimations were individually introduced (200–220 dph) into a rectangular salinity‐preference flume (maximum salinity gradient: 5–33). Control A. medirostris were presented with only their acclimation water (fresh water or salt water) on both sides of the flume. It was demonstrated that A. medirostris acclimated to both salt water and fresh water spent a significantly greater amount of time on the side of the testing area with the highest salinity concentration (P < 0·05 and P < 0·001, respectively) while control A. medirostris spent an equal amount of time on each side of the flume. These findings indicate that juvenile A. medirostris are not only capable of detecting salt water within the first year of their lives but perhaps are actively seeking out saline environments as they move through a watershed. Establishing A. medirostris salinity preferences provides a better understanding of the early life history of this threatened species, shedding light on possible outmigration timing.</div></front></TEI><double doi="10.1111/jfb.12023"><ISTEX><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Behavioural salinity preferences of juvenile green sturgeon Acipenser medirostris acclimated to fresh water and full‐strength salt water</title><author><name sortKey="Poletto, J B" sort="Poletto, J B" uniqKey="Poletto J" first="J. B." last="Poletto">J. B. Poletto</name></author><author><name sortKey="Cocherell, D E" sort="Cocherell, D E" uniqKey="Cocherell D" first="D. E." last="Cocherell">D. E. Cocherell</name></author><author><name sortKey="Klimley, A P" sort="Klimley, A P" uniqKey="Klimley A" first="A. P." last="Klimley">A. P. Klimley</name></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></author><author><name sortKey="Fangue, N A" sort="Fangue, N A" uniqKey="Fangue N" first="N. A." last="Fangue">N. A. 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B." last="Poletto">J. B. Poletto</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>University of California, Department of Wildlife, Fish and Conservation Biology, One Shields Avenue, Davis, CA 95616</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation><affiliation wicri:level="1"><country wicri:rule="url">États-Unis</country></affiliation></author><author><name sortKey="Cocherell, D E" sort="Cocherell, D E" uniqKey="Cocherell D" first="D. E." last="Cocherell">D. E. Cocherell</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>University of California, Department of Wildlife, Fish and Conservation Biology, One Shields Avenue, Davis, CA 95616</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Klimley, A P" sort="Klimley, A P" uniqKey="Klimley A" first="A. P." last="Klimley">A. P. Klimley</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>University of California, Department of Wildlife, Fish and Conservation Biology, One Shields Avenue, Davis, CA 95616</wicri:regionArea><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"><country xml:lang="fr">États-Unis</country><wicri:regionArea>University of California, Department of Wildlife, Fish and Conservation Biology, One Shields Avenue, Davis, CA 95616</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Fangue, N A" sort="Fangue, N A" uniqKey="Fangue N" first="N. A." last="Fangue">N. A. Fangue</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>University of California, Department of Wildlife, Fish and Conservation Biology, One Shields Avenue, Davis, CA 95616</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Fish Biology</title><title level="j" type="abbrev">J Fish Biol</title><idno type="ISSN">0022-1112</idno><idno type="eISSN">1095-8649</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2013-02">2013-02</date><biblScope unit="volume">82</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="671">671</biblScope><biblScope unit="page" to="685">685</biblScope></imprint><idno type="ISSN">0022-1112</idno></series><idno type="istex">8330BE768E0C801FA4AFBF756F84B105E2C33D3A</idno><idno type="DOI">10.1111/jfb.12023</idno><idno type="ArticleID">JFB12023</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0022-1112</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">To quantify the salinity preference of juvenile green sturgeon Acipenser medirostris, two groups of A. medirostris [140 days post hatch (dph); total length (LT) 38·0–52·5 cm] were acclimated to either near fresh water (mean ± s.e. salinity = 3·2 ± 0·6) or full‐strength salt water (34·1 ± 1·2) over 8 weeks. Following acclimation, the two groups were divided into experimental and control groups, where experimental A. medirostris from both freshwater and saltwater acclimations were individually introduced (200–220 dph) into a rectangular salinity‐preference flume (maximum salinity gradient: 5–33). Control A. medirostris were presented with only their acclimation water (fresh water or salt water) on both sides of the flume. It was demonstrated that A. medirostris acclimated to both salt water and fresh water spent a significantly greater amount of time on the side of the testing area with the highest salinity concentration (P < 0·05 and P < 0·001, respectively) while control A. medirostris spent an equal amount of time on each side of the flume. These findings indicate that juvenile A. medirostris are not only capable of detecting salt water within the first year of their lives but perhaps are actively seeking out saline environments as they move through a watershed. Establishing A. medirostris salinity preferences provides a better understanding of the early life history of this threatened species, shedding light on possible outmigration timing.</div></front></TEI></ISTEX><PubMed><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Behavioural salinity preferences of juvenile green sturgeon Acipenser medirostris acclimated to fresh water and full-strength salt water.</title><author><name sortKey="Poletto, J B" sort="Poletto, J B" uniqKey="Poletto J" first="J B" last="Poletto">J B Poletto</name><affiliation wicri:level="2"><nlm:affiliation>University of California, Department of Wildlife, Fish and Conservation Biology, Davis, CA 95616, USA. jbpoletto@ucdavis.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>University of California, Department of Wildlife, Fish and Conservation Biology, Davis, CA 95616</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Cocherell, D E" sort="Cocherell, D E" uniqKey="Cocherell D" first="D E" last="Cocherell">D E Cocherell</name></author><author><name sortKey="Klimley, A P" sort="Klimley, A P" uniqKey="Klimley A" first="A P" last="Klimley">A P Klimley</name></author><author><name sortKey="Cech, J J" sort="Cech, J J" uniqKey="Cech J" first="J J" last="Cech">J J Cech</name></author><author><name sortKey="Fangue, N A" sort="Fangue, N A" uniqKey="Fangue N" first="N A" last="Fangue">N A Fangue</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="RBID">pubmed:23398075</idno><idno type="pmid">23398075</idno><idno type="doi">10.1111/jfb.12023</idno><idno type="wicri:Area/PubMed/Corpus">000275</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000275</idno><idno type="wicri:Area/PubMed/Curation">000275</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000275</idno><idno type="wicri:Area/PubMed/Checkpoint">000275</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000275</idno><idno type="wicri:Area/Ncbi/Merge">000469</idno><idno type="wicri:Area/Ncbi/Curation">000469</idno><idno type="wicri:Area/Ncbi/Checkpoint">000469</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Behavioural salinity preferences of juvenile green sturgeon Acipenser medirostris acclimated to fresh water and full-strength salt water.</title><author><name sortKey="Poletto, J B" sort="Poletto, J B" uniqKey="Poletto J" first="J B" last="Poletto">J B Poletto</name><affiliation wicri:level="2"><nlm:affiliation>University of California, Department of Wildlife, Fish and Conservation Biology, Davis, CA 95616, USA. jbpoletto@ucdavis.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>University of California, Department of Wildlife, Fish and Conservation Biology, Davis, CA 95616</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Cocherell, D E" sort="Cocherell, D E" uniqKey="Cocherell D" first="D E" last="Cocherell">D E Cocherell</name></author><author><name sortKey="Klimley, A P" sort="Klimley, A P" uniqKey="Klimley A" first="A P" last="Klimley">A P Klimley</name></author><author><name sortKey="Cech, J J" sort="Cech, J J" uniqKey="Cech J" first="J J" last="Cech">J J Cech</name></author><author><name sortKey="Fangue, N A" sort="Fangue, N A" uniqKey="Fangue N" first="N A" last="Fangue">N A Fangue</name></author></analytic><series><title level="j">Journal of fish biology</title><idno type="eISSN">1095-8649</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acclimatization (physiology)</term><term>Animals</term><term>Behavior, Animal (physiology)</term><term>Fishes (physiology)</term><term>Fresh Water</term><term>Salinity</term><term>Seawater</term><term>Time Factors</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Acclimatization</term><term>Behavior, Animal</term><term>Fishes</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Fresh Water</term><term>Salinity</term><term>Seawater</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To quantify the salinity preference of juvenile green sturgeon Acipenser medirostris, two groups of A. medirostris [140 days post hatch (dph); total length (L(T) ) 38.0-52.5 cm] were acclimated to either near fresh water (mean ± s.e. salinity = 3.2 ± 0.6) or full-strength salt water (34.1 ± 1.2) over 8 weeks. Following acclimation, the two groups were divided into experimental and control groups, where experimental A. medirostris from both freshwater and saltwater acclimations were individually introduced (200-220 dph) into a rectangular salinity-preference flume (maximum salinity gradient: 5-33). Control A. medirostris were presented with only their acclimation water (fresh water or salt water) on both sides of the flume. It was demonstrated that A. medirostris acclimated to both salt water and fresh water spent a significantly greater amount of time on the side of the testing area with the highest salinity concentration (P < 0.05 and P < 0.001, respectively) while control A. medirostris spent an equal amount of time on each side of the flume. These findings indicate that juvenile A. medirostris are not only capable of detecting salt water within the first year of their lives but perhaps are actively seeking out saline environments as they move through a watershed. Establishing A. medirostris salinity preferences provides a better understanding of the early life history of this threatened species, shedding light on possible outmigration timing.</div></front></TEI></PubMed></double></record>Pour manipuler ce document sous Unix (Dilib)
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