Behavioural salinity preferences of juvenile green sturgeon Acipenser medirostris acclimated to fresh water and full-strength salt water.
Identifieur interne : 000275 ( PubMed/Corpus ); précédent : 000274; suivant : 000276Behavioural salinity preferences of juvenile green sturgeon Acipenser medirostris acclimated to fresh water and full-strength salt water.
Auteurs : J B Poletto ; D E Cocherell ; A P Klimley ; J J Cech ; N A FangueSource :
- Journal of fish biology [ 1095-8649 ] ; 2013.
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 (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.
DOI: 10.1111/jfb.12023
PubMed: 23398075
Links to Exploration step
pubmed:23398075Le document en format XML
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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><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23398075</PMID><DateCreated><Year>2013</Year><Month>02</Month><Day>12</Day></DateCreated><DateCompleted><Year>2013</Year><Month>05</Month><Day>24</Day></DateCompleted><DateRevised><Year>2013</Year><Month>02</Month><Day>12</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1095-8649</ISSN><JournalIssue CitedMedium="Internet"><Volume>82</Volume><Issue>2</Issue><PubDate><Year>2013</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Journal of fish biology</Title><ISOAbbreviation>J. Fish Biol.</ISOAbbreviation></Journal><ArticleTitle>Behavioural salinity preferences of juvenile green sturgeon Acipenser medirostris acclimated to fresh water and full-strength salt water.</ArticleTitle><Pagination><MedlinePgn>671-85</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/jfb.12023</ELocationID><Abstract><AbstractText>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.</AbstractText><CopyrightInformation>© 2013 The Authors. Journal of Fish Biology © 2013 The Fisheries Society of the British Isles.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Poletto</LastName><ForeName>J B</ForeName><Initials>JB</Initials><AffiliationInfo><Affiliation>University of California, Department of Wildlife, Fish and Conservation Biology, Davis, CA 95616, USA. jbpoletto@ucdavis.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cocherell</LastName><ForeName>D E</ForeName><Initials>DE</Initials></Author><Author ValidYN="Y"><LastName>Klimley</LastName><ForeName>A P</ForeName><Initials>AP</Initials></Author><Author ValidYN="Y"><LastName>Cech</LastName><ForeName>J J</ForeName><Initials>JJ</Initials><Suffix>Jr</Suffix></Author><Author ValidYN="Y"><LastName>Fangue</LastName><ForeName>N A</ForeName><Initials>NA</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>01</Month><Day>29</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Fish Biol</MedlineTA><NlmUniqueID>0214055</NlmUniqueID><ISSNLinking>0022-1112</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000064" MajorTopicYN="N">Acclimatization</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001522" MajorTopicYN="N">Behavior, Animal</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005399" MajorTopicYN="N">Fishes</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005618" MajorTopicYN="Y">Fresh Water</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D054712" MajorTopicYN="Y">Salinity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012623" MajorTopicYN="Y">Seawater</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>05</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>11</Month><Day>13</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>2</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>2</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>5</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23398075</ArticleId><ArticleId IdType="doi">10.1111/jfb.12023</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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