Abundance and movement patterns of age-0 juvenile lake sturgeon in the Peshtigo River, Wisconsin
Identifieur interne : 000A18 ( Main/Exploration ); précédent : 000A17; suivant : 000A19Abundance and movement patterns of age-0 juvenile lake sturgeon in the Peshtigo River, Wisconsin
Auteurs : David C. Caroffino [États-Unis] ; Trent M. Sutton [États-Unis] ; Mark S. Lindberg [États-Unis]Source :
- Environmental biology of fishes [ 0378-1909 ] ; 2009.
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English descriptors
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Abstract
In Great Lakes tributaries, age-0 juvenile lake sturgeon Acipenser fulvescens use riverine nursery habitats during their first summer of life and migrate to adjacent lakes after a seasonal decline in water temperature. We used mark-recapture data collected during this river-residency phase to monitor patterns in juvenile abundance and movement in the Peshtigo River, Wisconsin, during 2006 and 2007. Jolly-Seber and multistate models were used to estimate abundance and describe the probability of movement between river sections. Juvenile abundance was higher in 2007 than in 2006; however, in both years, abundance at the end of the sampling season was lower than at the beginning. Downstream movements were observed more frequently than upstream movements, and the probability of a downstream movement was higher than the probability of an upstream movement. The lower abundance later in the sampling season and propensity for downstream movements suggests that some age-0 juvenile lake sturgeon may leave the natal river before a seasonal decline in water temperature.
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Sutton</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>School of Fisheries and Ocean Sciences, University of Alaska Fairbanks, 905 Koyokuk Drive, 245 O'Neill Building</s1><s2>Fairbanks, AK 99775</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Alaska</region></placeName></affiliation></author><author><name sortKey="Lindberg, Mark S" sort="Lindberg, Mark S" uniqKey="Lindberg M" first="Mark S." last="Lindberg">Mark S. 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Caroffino</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>School of Fisheries and Ocean Sciences, University of Alaska Fairbanks, 905 Koyokuk Drive, 245 O'Neill Building</s1><s2>Fairbanks, AK 99775</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Alaska</region></placeName></affiliation></author><author><name sortKey="Sutton, Trent M" sort="Sutton, Trent M" uniqKey="Sutton T" first="Trent M." last="Sutton">Trent M. Sutton</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>School of Fisheries and Ocean Sciences, University of Alaska Fairbanks, 905 Koyokuk Drive, 245 O'Neill Building</s1><s2>Fairbanks, AK 99775</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Alaska</region></placeName></affiliation></author><author><name sortKey="Lindberg, Mark S" sort="Lindberg, Mark S" uniqKey="Lindberg M" first="Mark S." last="Lindberg">Mark S. Lindberg</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Department of Biology and Wildlife and, Institute of Arctic Biology, University of Alaska Fairbanks</s1><s2>Fairbanks, AK 99775</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Alaska</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Environmental biology of fishes</title><title level="j" type="abbreviated">Environ. biol. fishes</title><idno type="ISSN">0378-1909</idno><imprint><date when="2009">2009</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Environmental biology of fishes</title><title level="j" type="abbreviated">Environ. biol. fishes</title><idno type="ISSN">0378-1909</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Age</term><term>Ecological abundance</term><term>Freshwater environment</term><term>Models</term><term>Pisces</term><term>Sturgeon Lake</term><term>Wisconsin River</term><term>Young animal</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Abondance écologique</term><term>Age</term><term>Animal jeune</term><term>Modèle</term><term>Pisces</term><term>Milieu eau douce</term><term>Lac Sturgeon</term><term>Rivière Wisconsin</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In Great Lakes tributaries, age-0 juvenile lake sturgeon Acipenser fulvescens use riverine nursery habitats during their first summer of life and migrate to adjacent lakes after a seasonal decline in water temperature. We used mark-recapture data collected during this river-residency phase to monitor patterns in juvenile abundance and movement in the Peshtigo River, Wisconsin, during 2006 and 2007. Jolly-Seber and multistate models were used to estimate abundance and describe the probability of movement between river sections. Juvenile abundance was higher in 2007 than in 2006; however, in both years, abundance at the end of the sampling season was lower than at the beginning. Downstream movements were observed more frequently than upstream movements, and the probability of a downstream movement was higher than the probability of an upstream movement. The lower abundance later in the sampling season and propensity for downstream movements suggests that some age-0 juvenile lake sturgeon may leave the natal river before a seasonal decline in water temperature.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Alaska</li></region></list><tree><country name="États-Unis"><region name="Alaska"><name sortKey="Caroffino, David C" sort="Caroffino, David C" uniqKey="Caroffino D" first="David C." last="Caroffino">David C. Caroffino</name></region><name sortKey="Lindberg, Mark S" sort="Lindberg, Mark S" uniqKey="Lindberg M" first="Mark S." last="Lindberg">Mark S. Lindberg</name><name sortKey="Sutton, Trent M" sort="Sutton, Trent M" uniqKey="Sutton T" first="Trent M." last="Sutton">Trent M. Sutton</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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