Migration and movement patterns of green sturgeon (Acipenser medirostris) in the Klamath and Trinity rivers, California, USA
Identifieur interne : 000C63 ( Main/Merge ); précédent : 000C62; suivant : 000C64Migration and movement patterns of green sturgeon (Acipenser medirostris) in the Klamath and Trinity rivers, California, USA
Auteurs : Ryan L. Benson [États-Unis] ; Scott Turo [États-Unis] ; Barry W. Jr Mccovey [États-Unis]Source :
- Environmental biology of fishes [ 0378-1909 ] ; 2007.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Migration.
English descriptors
- KwdEn :
Abstract
Green sturgeon, Acipenser medirostris, movement and migration within the Klamath and Trinity rivers were assessed using radio and sonic telemetry. Sexually mature green sturgeon were captured with gillnets in the spring, as adults migrated upstream to spawn. In total, 49 green sturgeon were tagged with radio and/or sonic telemetry tags and tracked manually or with receiver arrays from 2002 to 2004. Tagged individuals exhibited four movement patterns: upstream spawning migration, spring outmigration to the ocean, or summer holding, and outmigration after summer holding. Spawning migrations occurred from April to June, as adults moved from the ocean upstream to spawning sites. Approximately 18% of adults, those not out mignation in the spring, made spring post-spawning outmigrations. The majority of adults, those not outmigrating in the spring, remained in discrete locations characterized as deep, low velocity pools for extended periods during the summer and early fall. Fall outmigration occurred when fish left summer holding locations, traveled rapidly downstream, and exited the river system. High river discharge due to the onset of winter rainstorms and freshets appear to be the key environmental cue instigating the fall outmigration.
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Pascal:07-0412095Le document en format XML
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Benson</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Yurok Tribal Fisheries Program, PO Box 196, Hwy. 96, Weitchpec Route</s1><s2>Hoopa, CA 95546</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Turo, Scott" sort="Turo, Scott" uniqKey="Turo S" first="Scott" last="Turo">Scott Turo</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Department of Natural Resources, Confederated Tribes of the Warm Springs Reservation of Oregon, PO Box C</s1><s2>Warm Springs, OR 97761</s2><s3>USA</s3><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Oregon</region></placeName></affiliation></author><author><name sortKey="Mccovey, Barry W Jr" sort="Mccovey, Barry W Jr" uniqKey="Mccovey B" first="Barry W. Jr" last="Mccovey">Barry W. 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Benson</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Yurok Tribal Fisheries Program, PO Box 196, Hwy. 96, Weitchpec Route</s1><s2>Hoopa, CA 95546</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Turo, Scott" sort="Turo, Scott" uniqKey="Turo S" first="Scott" last="Turo">Scott Turo</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Department of Natural Resources, Confederated Tribes of the Warm Springs Reservation of Oregon, PO Box C</s1><s2>Warm Springs, OR 97761</s2><s3>USA</s3><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Oregon</region></placeName></affiliation></author><author><name sortKey="Mccovey, Barry W Jr" sort="Mccovey, Barry W Jr" uniqKey="Mccovey B" first="Barry W. Jr" last="Mccovey">Barry W. Jr Mccovey</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Yurok Tribal Fisheries Program, PO Box 196, Hwy. 96, Weitchpec Route</s1><s2>Hoopa, CA 95546</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</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="2007">2007</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>California</term><term>Migration</term><term>Pisces</term><term>Radiotelemetry</term><term>Range finding</term><term>River discharge</term><term>Trinity River</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Migration</term><term>Californie</term><term>Télémétrie</term><term>Radiotélémétrie</term><term>Pisces</term><term>Acipenser</term><term>Rivière Trinity</term><term>Débit rivière</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Migration</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Green sturgeon, Acipenser medirostris, movement and migration within the Klamath and Trinity rivers were assessed using radio and sonic telemetry. Sexually mature green sturgeon were captured with gillnets in the spring, as adults migrated upstream to spawn. In total, 49 green sturgeon were tagged with radio and/or sonic telemetry tags and tracked manually or with receiver arrays from 2002 to 2004. Tagged individuals exhibited four movement patterns: upstream spawning migration, spring outmigration to the ocean, or summer holding, and outmigration after summer holding. Spawning migrations occurred from April to June, as adults moved from the ocean upstream to spawning sites. Approximately 18% of adults, those not out mignation in the spring, made spring post-spawning outmigrations. The majority of adults, those not outmigrating in the spring, remained in discrete locations characterized as deep, low velocity pools for extended periods during the summer and early fall. Fall outmigration occurred when fish left summer holding locations, traveled rapidly downstream, and exited the river system. High river discharge due to the onset of winter rainstorms and freshets appear to be the key environmental cue instigating the fall outmigration.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Californie</li><li>Oregon</li></region></list><tree><country name="États-Unis"><region name="Californie"><name sortKey="Benson, Ryan L" sort="Benson, Ryan L" uniqKey="Benson R" first="Ryan L." last="Benson">Ryan L. Benson</name></region><name sortKey="Mccovey, Barry W Jr" sort="Mccovey, Barry W Jr" uniqKey="Mccovey B" first="Barry W. Jr" last="Mccovey">Barry W. Jr Mccovey</name><name sortKey="Turo, Scott" sort="Turo, Scott" uniqKey="Turo S" first="Scott" last="Turo">Scott Turo</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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