EsturgeonV1, Main, Merge, bibRecord, 000408

Stock Origins of Subadult and Adult Atlantic Sturgeon, Acipenser oxyrinchus, in a Non-natal Estuary, Long Island Sound

Identifieur interne : 000408 ( Main/Merge ); précédent : 000407; suivant : 000409

Stock Origins of Subadult and Adult Atlantic Sturgeon, Acipenser oxyrinchus, in a Non-natal Estuary, Long Island Sound

Auteurs : John R. Waldman [États-Unis] ; Tim King [États-Unis] ; Tom Savoy [États-Unis] ; Lorraine Maceda [États-Unis] ; Cheryl Grunwald [États-Unis] ; Isaac Wirgin [États-Unis]

Source :

Estuaries and coasts [ 1559-2723 ] ; 2013.

RBID : Pascal:14-0245412

Descripteurs français

Pascal (Inist)
- Acipenser sturio, Lieu naissance, Estuaire, Détroit Long Island, Milieu saumâtre.
Wicri :
- topic : Estuaire.

English descriptors

KwdEn :
- Acipenser sturio, Birth place, Brackish water environment, Estuaries, Long Island Sound.

Abstract

The anadromous acipenserid Atlantic sturgeon Acipenser oxyrinchus was listed in 2012 under the U.S. Endangered Species Act as having four endangered and one threatened distinct population segment (DPS) in American waters. Anthropogenic activities outside of natal estuaries, particularly bycatch, may hinder the abilities of some populations to rebuild. Most Atlantic sturgeon are residential for their first 2-6 years within their natal estuaries, whereas older subadults and adults may migrate to non-natal estuaries and coastal locations. Previous studies demonstrated that subadults and adults aggregate during summer at locations in Long Island Sound (LIS) and its tributary, the Connecticut River; however, the population origin of these fish is unknown. Because of its geographic proximity and relatively robust population, we hypothesized that the LIS and Connecticut River aggregations were almost solely derived from the Hudson River. We used microsatellite nuclear DNA analysis at 11 loci and mitochondrial DNA control region sequence analyses to estimate the relative contributions of nine Atlantic sturgeon populations and the five DPS to these aggregations using individual-based assignment tests and mixed-stock analysis. From 64 to 73 % of specimens from LIS were estimated to be of Hudson origin. Similarly, 66-76 % of specimens from the Connecticut River were of Hudson origin. However, moderate numbers of specimens were detected from distant spawning populations in the southeastern DPS and from two populations once thought to be extirpated or nearly so, the James River (6-7.3 %), and the Delaware River (7.6-12 %). Additionally, specimens were detected from all five DPS in both the LIS and Connecticut River collections. These results highlight the difficulty of evaluating the status of individual Atlantic sturgeon populations because of the propensity of subadults and adults to migrate for extended duration to distant sites where they may be vulnerable to anthropogenic disturbances.

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Pascal:14-0245412

Le document en format XML

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<author><name sortKey="Waldman, John R" sort="Waldman, John R" uniqKey="Waldman J" first="John R." last="Waldman">John R. Waldman</name>
<affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Biology Department, Queens College of the City University of New York, 65-30 Kissena Boulevard</s1>
<s2>Flushing, NY 11367-1597</s2>
<s3>USA</s3>
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<country>États-Unis</country>
<placeName><region type="state">État de New York</region>
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<author><name sortKey="King, Tim" sort="King, Tim" uniqKey="King T" first="Tim" last="King">Tim King</name>
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<s2>Kearneysville, WV 25430</s2>
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<author><name sortKey="Savoy, Tom" sort="Savoy, Tom" uniqKey="Savoy T" first="Tom" last="Savoy">Tom Savoy</name>
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<author><name sortKey="Maceda, Lorraine" sort="Maceda, Lorraine" uniqKey="Maceda L" first="Lorraine" last="Maceda">Lorraine Maceda</name>
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<author><name sortKey="Grunwald, Cheryl" sort="Grunwald, Cheryl" uniqKey="Grunwald C" first="Cheryl" last="Grunwald">Cheryl Grunwald</name>
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<author><name sortKey="Wirgin, Isaac" sort="Wirgin, Isaac" uniqKey="Wirgin I" first="Isaac" last="Wirgin">Isaac Wirgin</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Stock Origins of Subadult and Adult Atlantic Sturgeon, Acipenser oxyrinchus, in a Non-natal Estuary, Long Island Sound</title>
<author><name sortKey="Waldman, John R" sort="Waldman, John R" uniqKey="Waldman J" first="John R." last="Waldman">John R. Waldman</name>
<affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Biology Department, Queens College of the City University of New York, 65-30 Kissena Boulevard</s1>
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<author><name sortKey="King, Tim" sort="King, Tim" uniqKey="King T" first="Tim" last="King">Tim King</name>
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<s2>Kearneysville, WV 25430</s2>
<s3>USA</s3>
<sZ>2 aut.</sZ>
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<country>États-Unis</country>
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<author><name sortKey="Savoy, Tom" sort="Savoy, Tom" uniqKey="Savoy T" first="Tom" last="Savoy">Tom Savoy</name>
<affiliation wicri:level="2"><inist:fA14 i1="03"><s1>Connecticut Department of Environmental Protection, Marine Fisheries Division, 333 Ferry Road</s1>
<s2>Old Lyme, CT 06371</s2>
<s3>USA</s3>
<sZ>3 aut.</sZ>
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<country>États-Unis</country>
<placeName><region type="state">Connecticut</region>
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<author><name sortKey="Maceda, Lorraine" sort="Maceda, Lorraine" uniqKey="Maceda L" first="Lorraine" last="Maceda">Lorraine Maceda</name>
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<author><name sortKey="Grunwald, Cheryl" sort="Grunwald, Cheryl" uniqKey="Grunwald C" first="Cheryl" last="Grunwald">Cheryl Grunwald</name>
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<s2>Tuxedo, NY 10987</s2>
<s3>USA</s3>
<sZ>4 aut.</sZ>
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<author><name sortKey="Wirgin, Isaac" sort="Wirgin, Isaac" uniqKey="Wirgin I" first="Isaac" last="Wirgin">Isaac Wirgin</name>
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<term>Brackish water environment</term>
<term>Estuaries</term>
<term>Long Island Sound</term>
</keywords>
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<term>Lieu naissance</term>
<term>Estuaire</term>
<term>Détroit Long Island</term>
<term>Milieu saumâtre</term>
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<front><div type="abstract" xml:lang="en">The anadromous acipenserid Atlantic sturgeon Acipenser oxyrinchus was listed in 2012 under the U.S. Endangered Species Act as having four endangered and one threatened distinct population segment (DPS) in American waters. Anthropogenic activities outside of natal estuaries, particularly bycatch, may hinder the abilities of some populations to rebuild. Most Atlantic sturgeon are residential for their first 2-6 years within their natal estuaries, whereas older subadults and adults may migrate to non-natal estuaries and coastal locations. Previous studies demonstrated that subadults and adults aggregate during summer at locations in Long Island Sound (LIS) and its tributary, the Connecticut River; however, the population origin of these fish is unknown. Because of its geographic proximity and relatively robust population, we hypothesized that the LIS and Connecticut River aggregations were almost solely derived from the Hudson River. We used microsatellite nuclear DNA analysis at 11 loci and mitochondrial DNA control region sequence analyses to estimate the relative contributions of nine Atlantic sturgeon populations and the five DPS to these aggregations using individual-based assignment tests and mixed-stock analysis. From 64 to 73 % of specimens from LIS were estimated to be of Hudson origin. Similarly, 66-76 % of specimens from the Connecticut River were of Hudson origin. However, moderate numbers of specimens were detected from distant spawning populations in the southeastern DPS and from two populations once thought to be extirpated or nearly so, the James River (6-7.3 %), and the Delaware River (7.6-12 %). Additionally, specimens were detected from all five DPS in both the LIS and Connecticut River collections. These results highlight the difficulty of evaluating the status of individual Atlantic sturgeon populations because of the propensity of subadults and adults to migrate for extended duration to distant sites where they may be vulnerable to anthropogenic disturbances.</div>
</front>
</TEI>
<affiliations><list><country><li>États-Unis</li>
</country>
<region><li>Connecticut</li>
<li>Virginie-Occidentale</li>
<li>État de New York</li>
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<tree><country name="États-Unis"><region name="État de New York"><name sortKey="Waldman, John R" sort="Waldman, John R" uniqKey="Waldman J" first="John R." last="Waldman">John R. Waldman</name>
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<name sortKey="Grunwald, Cheryl" sort="Grunwald, Cheryl" uniqKey="Grunwald C" first="Cheryl" last="Grunwald">Cheryl Grunwald</name>
<name sortKey="King, Tim" sort="King, Tim" uniqKey="King T" first="Tim" last="King">Tim King</name>
<name sortKey="Maceda, Lorraine" sort="Maceda, Lorraine" uniqKey="Maceda L" first="Lorraine" last="Maceda">Lorraine Maceda</name>
<name sortKey="Savoy, Tom" sort="Savoy, Tom" uniqKey="Savoy T" first="Tom" last="Savoy">Tom Savoy</name>
<name sortKey="Wirgin, Isaac" sort="Wirgin, Isaac" uniqKey="Wirgin I" first="Isaac" last="Wirgin">Isaac Wirgin</name>
</country>
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</record>

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Stock Origins of Subadult and Adult Atlantic Sturgeon, Acipenser oxyrinchus, in a Non-natal Estuary, Long Island Sound

Stock Origins of Subadult and Adult Atlantic Sturgeon, Acipenser oxyrinchus, in a Non-natal Estuary, Long Island Sound

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri