Relative larval loss among females during dispersal of Lake Sturgeon (Acipenser fulvescens)
Identifieur interne : 000740 ( Main/Merge ); précédent : 000739; suivant : 000741Relative larval loss among females during dispersal of Lake Sturgeon (Acipenser fulvescens)
Auteurs : THUY YEN DUONG [États-Unis] ; Kim T. Scribner [États-Unis] ; James A. Crossman [États-Unis] ; Patrick S. Forsythe [États-Unis] ; Edward A. Baker [États-Unis] ; Jeannette Kanefsky [États-Unis] ; Jared J. Homola [États-Unis] ; Christin Davis [États-Unis]Source :
- Environmental biology of fishes [ 0378-1909 ] ; 2011.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Mortalité.
English descriptors
- KwdEn :
Abstract
Mortality that occurs during larval dispersal as a consequence of environmental, maternal, and genetic effects and their interactions can affect annual recruitment in fish populations. We studied larval lake sturgeon (Acipenser fulvescens) drift for two consecutive nights to examine whether larvae from different females exposed to the same environmental conditions during dispersal differed in relative levels of mortality. We estimated proportional contributions of females to larval collections and relative larval loss among females as larvae dispersed downstream between two sampling sites based on genetically determined parentage. Larval collections were composed of unequal proportions of offspring from different females that spawned at upstream and downstream locations (∼0.8 km apart). Hourly dispersal patterns of larvae produced from females spawning at both locations were similar, with the largest number of larvae observed during 22:00-23 :00 h. Estimated relative larval loss did not differ significantly among females as larvae were sampled at two sites approximately 0.15 and 1.5 km from the last section downstream of spawning locations. High inter-and intra-female variation in larval contributions and relative larval loss between nights may be a common feature of lake sturgeon and other migratory fish species, and likely is a source of inter-annual and intra-annual variation in fish recruitment.
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Baker</name><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>Department of Natural Resources, 488 Cherry Creek Road</s1><s2>Marquette, MI 49855</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Michigan</region></placeName></affiliation></author><author><name sortKey="Kanefsky, Jeannette" sort="Kanefsky, Jeannette" uniqKey="Kanefsky J" first="Jeannette" last="Kanefsky">Jeannette Kanefsky</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources</s1><s2>East Lansing, MI 48824</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Michigan</region><settlement type="city">East Lansing</settlement></placeName><orgName type="university">Université d'État du Michigan</orgName></affiliation></author><author><name sortKey="Homola, Jared J" sort="Homola, Jared J" uniqKey="Homola J" first="Jared J." last="Homola">Jared J. Homola</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources</s1><s2>East Lansing, MI 48824</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Michigan</region><settlement type="city">East Lansing</settlement></placeName><orgName type="university">Université d'État du Michigan</orgName></affiliation></author><author><name sortKey="Davis, Christin" sort="Davis, Christin" uniqKey="Davis C" first="Christin" last="Davis">Christin Davis</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources</s1><s2>East Lansing, MI 48824</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Michigan</region><settlement type="city">East Lansing</settlement></placeName><orgName type="university">Université d'État du Michigan</orgName></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="2011">2011</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>Dispersion</term><term>Female</term><term>Freshwater environment</term><term>Larva</term><term>Loss</term><term>Maternal effect</term><term>Mortality</term><term>Pisces</term><term>Sturgeon Lake</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Larve</term><term>Perte</term><term>Femelle</term><term>Dispersion</term><term>Mortalité</term><term>Effet maternel</term><term>Pisces</term><term>Milieu eau douce</term><term>Acipenser fulvescens</term><term>Lac Sturgeon</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Mortalité</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Mortality that occurs during larval dispersal as a consequence of environmental, maternal, and genetic effects and their interactions can affect annual recruitment in fish populations. We studied larval lake sturgeon (Acipenser fulvescens) drift for two consecutive nights to examine whether larvae from different females exposed to the same environmental conditions during dispersal differed in relative levels of mortality. We estimated proportional contributions of females to larval collections and relative larval loss among females as larvae dispersed downstream between two sampling sites based on genetically determined parentage. Larval collections were composed of unequal proportions of offspring from different females that spawned at upstream and downstream locations (∼0.8 km apart). Hourly dispersal patterns of larvae produced from females spawning at both locations were similar, with the largest number of larvae observed during 22:00-23 :00 h. Estimated relative larval loss did not differ significantly among females as larvae were sampled at two sites approximately 0.15 and 1.5 km from the last section downstream of spawning locations. High inter-and intra-female variation in larval contributions and relative larval loss between nights may be a common feature of lake sturgeon and other migratory fish species, and likely is a source of inter-annual and intra-annual variation in fish recruitment.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Michigan</li></region><settlement><li>East Lansing</li></settlement><orgName><li>Université d'État du Michigan</li></orgName></list><tree><country name="États-Unis"><region name="Michigan"><name sortKey="Thuy Yen Duong" sort="Thuy Yen Duong" uniqKey="Thuy Yen Duong" last="Thuy Yen Duong">THUY YEN DUONG</name></region><name sortKey="Baker, Edward A" sort="Baker, Edward A" uniqKey="Baker E" first="Edward A." last="Baker">Edward A. Baker</name><name sortKey="Crossman, James A" sort="Crossman, James A" uniqKey="Crossman J" first="James A." last="Crossman">James A. Crossman</name><name sortKey="Davis, Christin" sort="Davis, Christin" uniqKey="Davis C" first="Christin" last="Davis">Christin Davis</name><name sortKey="Forsythe, Patrick S" sort="Forsythe, Patrick S" uniqKey="Forsythe P" first="Patrick S." last="Forsythe">Patrick S. Forsythe</name><name sortKey="Homola, Jared J" sort="Homola, Jared J" uniqKey="Homola J" first="Jared J." last="Homola">Jared J. Homola</name><name sortKey="Kanefsky, Jeannette" sort="Kanefsky, Jeannette" uniqKey="Kanefsky J" first="Jeannette" last="Kanefsky">Jeannette Kanefsky</name><name sortKey="Scribner, Kim T" sort="Scribner, Kim T" uniqKey="Scribner K" first="Kim T." last="Scribner">Kim T. Scribner</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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