EsturgeonV1, PascalFrancis, Corpus, bibRecord, 000307

Habitat use and movements of juvenile shortnose sturgeon in the Savannah River, Georgia-South Carolina

Identifieur interne : 000307 ( PascalFrancis/Corpus ); précédent : 000306; suivant : 000308

Habitat use and movements of juvenile shortnose sturgeon in the Savannah River, Georgia-South Carolina

Auteurs : Mark R. Collins ; William C. Post ; Daniel C. Russ ; Theodore I. J. Smith

Source :

Transactions of the American Fisheries Society : (1900) [ 0002-8487 ] ; 2002.

RBID : Pascal:02-0489082

Descripteurs français

Pascal (Inist)
- Choix habitat, Nourricerie, Répartition spatiale, Mouvement, Animal jeune, Salinité, Température, Oxygène dissous, Espèce menacée, Recrutement population, Variation saisonnière, Estuaire, Caroline du Sud, Géorgie, Acipenser brevirostrum.

English descriptors

KwdEn :
- Dissolved oxygen, Endangered species, Estuaries, Georgia, Habitat selection, Motion, Nursery (animal), Population recruitment, Salinity, Seasonal variation, South Carolina, Spatial distribution, Temperature, Young animal.

Abstract

During 1999-2000, 28 juvenile (<56 cm total length) shortnose sturgeon Acipenser brevirostrum were captured in the lower Savannah River, Georgia-South Carolina, and acoustic transmitters were implanted in or attached to 15 of them. The juveniles were located only between river kilometers (rkm; measured from the mouth of the river) 31.2 and 47.5, in salinities of 0.1‰ to (briefly at high tide) 17.6‰, and at depths of 2.1-13.4 m. The fish used two small areas very intensively. When water temperatures were above 22°C, the fish moved upriver; they aggregated particularly at rkm 47.5 when temperatures were greatest, and the average salinity at this location was 0.1‰. When water temperatures were below 22°C, the fish moved downriver into Savannah Harbor and used approximately 2-km segments of the Front and Middle rivers just upriver of their confluence at rkm 31.5. Here they encountered higher salinities (mean, 5.4‰) than during warm months. During the period of lowest water temperatures, the fish aggregated just inside the mouth of the Middle River in a hole separated from the deeper Front River by a sill. Movements related to tide stage or diel phase were not observed. Fish carrying transmitters with a depth option were always located on or near the bottom (±1.5-m transmitter accuracy). No juveniles were recorded as far downriver as the nursery area identified in a study conducted about a decade earlier, perhaps due to changes in hydrographic conditions that were induced by harbor modifications. The cool-season habitat is in the portion of the harbor to be impacted by further modifications. The relative abundance of juveniles suggests that recruitment has not increased despite an apparent increase in the adult population from the stocking of hatchery-reared fish during 1985-1992.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0002-8487`
A02	`01`			`@0 TAFSAI`
A03		`1`		`@0 Trans. Am. Fish. Soc. : (1900)`
A05				`@2 131`
A06				`@2 5`
A08	`01`	`1`	`ENG`	`@1 Habitat use and movements of juvenile shortnose sturgeon in the Savannah River, Georgia-South Carolina`
A11	`01`	`1`		`@1 COLLINS (Mark R.)`
A11	`02`	`1`		`@1 POST (William C.)`
A11	`03`	`1`		`@1 RUSS (Daniel C.)`
A11	`04`	`1`		`@1 SMITH (Theodore I. J.)`
A14	`01`			`@1 Marine Resources Research Institute, South Carolina Department of Natural Resources, Post Office Box 12559 @2 Charleston, South Carolina 29412 @3 USA @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut.`
A20				`@1 975-979`
A21				`@1 2002`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 9749 @5 354000109186480140`
A44				`@0 0000 @1 © 2002 INIST-CNRS. All rights reserved.`
A45				`@0 14 ref.`
A47	`01`	`1`		`@0 02-0489082`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Transactions of the American Fisheries Society : (1900)`
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C01	`01`		`ENG`	@0 During 1999-2000, 28 juvenile (<56 cm total length) shortnose sturgeon Acipenser brevirostrum were captured in the lower Savannah River, Georgia-South Carolina, and acoustic transmitters were implanted in or attached to 15 of them. The juveniles were located only between river kilometers (rkm; measured from the mouth of the river) 31.2 and 47.5, in salinities of 0.1‰ to (briefly at high tide) 17.6‰, and at depths of 2.1-13.4 m. The fish used two small areas very intensively. When water temperatures were above 22°C, the fish moved upriver; they aggregated particularly at rkm 47.5 when temperatures were greatest, and the average salinity at this location was 0.1‰. When water temperatures were below 22°C, the fish moved downriver into Savannah Harbor and used approximately 2-km segments of the Front and Middle rivers just upriver of their confluence at rkm 31.5. Here they encountered higher salinities (mean, 5.4‰) than during warm months. During the period of lowest water temperatures, the fish aggregated just inside the mouth of the Middle River in a hole separated from the deeper Front River by a sill. Movements related to tide stage or diel phase were not observed. Fish carrying transmitters with a depth option were always located on or near the bottom (±1.5-m transmitter accuracy). No juveniles were recorded as far downriver as the nursery area identified in a study conducted about a decade earlier, perhaps due to changes in hydrographic conditions that were induced by harbor modifications. The cool-season habitat is in the portion of the harbor to be impacted by further modifications. The relative abundance of juveniles suggests that recruitment has not increased despite an apparent increase in the adult population from the stocking of hatchery-reared fish during 1985-1992.
C02	`01`	`X`		`@0 002A14D02B`
C02	`02`	`X`		`@0 002A14B02C2A`
C03	`01`	`X`	`FRE`	`@0 Choix habitat @5 01`
C03	`01`	`X`	`ENG`	`@0 Habitat selection @5 01`
C03	`01`	`X`	`SPA`	`@0 Selección alojamiento @5 01`
C03	`02`	`X`	`FRE`	`@0 Nourricerie @5 02`
C03	`02`	`X`	`ENG`	`@0 Nursery (animal) @5 02`
C03	`03`	`X`	`FRE`	`@0 Répartition spatiale @5 03`
C03	`03`	`X`	`ENG`	`@0 Spatial distribution @5 03`
C03	`03`	`X`	`SPA`	`@0 Distribución espacial @5 03`
C03	`04`	`X`	`FRE`	`@0 Mouvement @5 04`
C03	`04`	`X`	`ENG`	`@0 Motion @5 04`
C03	`04`	`X`	`SPA`	`@0 Movimiento @5 04`
C03	`05`	`X`	`FRE`	`@0 Animal jeune @5 05`
C03	`05`	`X`	`ENG`	`@0 Young animal @5 05`
C03	`05`	`X`	`SPA`	`@0 Animal joven @5 05`
C03	`06`	`X`	`FRE`	`@0 Salinité @5 06`
C03	`06`	`X`	`ENG`	`@0 Salinity @5 06`
C03	`06`	`X`	`SPA`	`@0 Salinidad @5 06`
C03	`07`	`X`	`FRE`	`@0 Température @5 07`
C03	`07`	`X`	`ENG`	`@0 Temperature @5 07`
C03	`07`	`X`	`SPA`	`@0 Temperatura @5 07`
C03	`08`	`X`	`FRE`	`@0 Oxygène dissous @5 08`
C03	`08`	`X`	`ENG`	`@0 Dissolved oxygen @5 08`
C03	`08`	`X`	`SPA`	`@0 Oxígeno disuelto @5 08`
C03	`09`	`X`	`FRE`	`@0 Espèce menacée @5 09`
C03	`09`	`X`	`ENG`	`@0 Endangered species @5 09`
C03	`09`	`X`	`SPA`	`@0 Especie amenazada @5 09`
C03	`10`	`X`	`FRE`	`@0 Recrutement population @5 10`
C03	`10`	`X`	`ENG`	`@0 Population recruitment @5 10`
C03	`10`	`X`	`SPA`	`@0 Reclutamiento poblaciónal @5 10`
C03	`11`	`X`	`FRE`	`@0 Variation saisonnière @5 11`
C03	`11`	`X`	`ENG`	`@0 Seasonal variation @5 11`
C03	`11`	`X`	`SPA`	`@0 Variación estacional @5 11`
C03	`12`	`X`	`FRE`	`@0 Estuaire @5 12`
C03	`12`	`X`	`ENG`	`@0 Estuaries @5 12`
C03	`12`	`X`	`SPA`	`@0 Estuario @5 12`
C03	`13`	`X`	`FRE`	`@0 Caroline du Sud @2 NG @5 13`
C03	`13`	`X`	`ENG`	`@0 South Carolina @2 NG @5 13`
C03	`13`	`X`	`SPA`	`@0 Carolina del Sur @2 NG @5 13`
C03	`14`	`X`	`FRE`	`@0 Géorgie @2 NG @5 14`
C03	`14`	`X`	`ENG`	`@0 Georgia @2 NG @5 14`
C03	`14`	`X`	`SPA`	`@0 Georgia @2 NG @5 14`
C03	`15`	`X`	`FRE`	`@0 Acipenser brevirostrum @2 NS @4 INC @5 64`
C07	`01`	`X`	`FRE`	`@0 Etats Unis @2 NG`
C07	`01`	`X`	`ENG`	`@0 United States @2 NG`
C07	`01`	`X`	`SPA`	`@0 Estados Unidos @2 NG`
C07	`02`	`X`	`FRE`	`@0 Amérique du Nord @2 NG`
C07	`02`	`X`	`ENG`	`@0 North America @2 NG`
C07	`02`	`X`	`SPA`	`@0 America del norte @2 NG`
C07	`03`	`X`	`FRE`	`@0 Amérique @2 NG`
C07	`03`	`X`	`ENG`	`@0 America @2 NG`
C07	`03`	`X`	`SPA`	`@0 America @2 NG`
C07	`04`	`X`	`FRE`	`@0 Milieu saumâtre @5 17`
C07	`04`	`X`	`ENG`	`@0 Brackish water environment @5 17`
C07	`04`	`X`	`SPA`	`@0 Medio salobre @5 17`
C07	`05`	`X`	`FRE`	`@0 Facteur milieu @5 18`
C07	`05`	`X`	`ENG`	`@0 Environmental factor @5 18`
C07	`05`	`X`	`SPA`	`@0 Factor medio @5 18`
C07	`06`	`X`	`FRE`	`@0 Pisces @2 NS @5 60`
C07	`06`	`X`	`ENG`	`@0 Pisces @2 NS @5 60`
C07	`06`	`X`	`SPA`	`@0 Pisces @2 NS @5 60`
C07	`07`	`X`	`FRE`	`@0 Vertebrata @2 NS`
C07	`07`	`X`	`ENG`	`@0 Vertebrata @2 NS`
C07	`07`	`X`	`SPA`	`@0 Vertebrata @2 NS`
C07	`08`	`X`	`FRE`	`@0 Acipenseridae @2 NS @4 INC @5 70`
N21				`@1 287`
N82				`@1 PSI`

Format Inist (serveur)

NO :	PASCAL 02-0489082 INIST
ET :	Habitat use and movements of juvenile shortnose sturgeon in the Savannah River, Georgia-South Carolina
AU :	COLLINS (Mark R.); POST (William C.); RUSS (Daniel C.); SMITH (Theodore I. J.)
AF :	Marine Resources Research Institute, South Carolina Department of Natural Resources, Post Office Box 12559/Charleston, South Carolina 29412/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Transactions of the American Fisheries Society : (1900); ISSN 0002-8487; Coden TAFSAI; Etats-Unis; Da. 2002; Vol. 131; No. 5; Pp. 975-979; Bibl. 14 ref.
LA :	Anglais
EA :	During 1999-2000, 28 juvenile (<56 cm total length) shortnose sturgeon Acipenser brevirostrum were captured in the lower Savannah River, Georgia-South Carolina, and acoustic transmitters were implanted in or attached to 15 of them. The juveniles were located only between river kilometers (rkm; measured from the mouth of the river) 31.2 and 47.5, in salinities of 0.1‰ to (briefly at high tide) 17.6‰, and at depths of 2.1-13.4 m. The fish used two small areas very intensively. When water temperatures were above 22°C, the fish moved upriver; they aggregated particularly at rkm 47.5 when temperatures were greatest, and the average salinity at this location was 0.1‰. When water temperatures were below 22°C, the fish moved downriver into Savannah Harbor and used approximately 2-km segments of the Front and Middle rivers just upriver of their confluence at rkm 31.5. Here they encountered higher salinities (mean, 5.4‰) than during warm months. During the period of lowest water temperatures, the fish aggregated just inside the mouth of the Middle River in a hole separated from the deeper Front River by a sill. Movements related to tide stage or diel phase were not observed. Fish carrying transmitters with a depth option were always located on or near the bottom (±1.5-m transmitter accuracy). No juveniles were recorded as far downriver as the nursery area identified in a study conducted about a decade earlier, perhaps due to changes in hydrographic conditions that were induced by harbor modifications. The cool-season habitat is in the portion of the harbor to be impacted by further modifications. The relative abundance of juveniles suggests that recruitment has not increased despite an apparent increase in the adult population from the stocking of hatchery-reared fish during 1985-1992.
CC :	002A14D02B; 002A14B02C2A
FD :	Choix habitat; Nourricerie; Répartition spatiale; Mouvement; Animal jeune; Salinité; Température; Oxygène dissous; Espèce menacée; Recrutement population; Variation saisonnière; Estuaire; Caroline du Sud; Géorgie; Acipenser brevirostrum
FG :	Etats Unis; Amérique du Nord; Amérique; Milieu saumâtre; Facteur milieu; Pisces; Vertebrata; Acipenseridae
ED :	Habitat selection; Nursery (animal); Spatial distribution; Motion; Young animal; Salinity; Temperature; Dissolved oxygen; Endangered species; Population recruitment; Seasonal variation; Estuaries; South Carolina; Georgia
EG :	United States; North America; America; Brackish water environment; Environmental factor; Pisces; Vertebrata
SD :	Selección alojamiento; Distribución espacial; Movimiento; Animal joven; Salinidad; Temperatura; Oxígeno disuelto; Especie amenazada; Reclutamiento poblaciónal; Variación estacional; Estuario; Carolina del Sur; Georgia
LO :	INIST-9749.354000109186480140
ID :	02-0489082

Links to Exploration step

Pascal:02-0489082

Le document en format XML

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<front><div type="abstract" xml:lang="en">During 1999-2000, 28 juvenile (<56 cm total length) shortnose sturgeon Acipenser brevirostrum were captured in the lower Savannah River, Georgia-South Carolina, and acoustic transmitters were implanted in or attached to 15 of them. The juveniles were located only between river kilometers (rkm; measured from the mouth of the river) 31.2 and 47.5, in salinities of 0.1‰ to (briefly at high tide) 17.6‰, and at depths of 2.1-13.4 m. The fish used two small areas very intensively. When water temperatures were above 22°C, the fish moved upriver; they aggregated particularly at rkm 47.5 when temperatures were greatest, and the average salinity at this location was 0.1‰. When water temperatures were below 22°C, the fish moved downriver into Savannah Harbor and used approximately 2-km segments of the Front and Middle rivers just upriver of their confluence at rkm 31.5. Here they encountered higher salinities (mean, 5.4‰) than during warm months. During the period of lowest water temperatures, the fish aggregated just inside the mouth of the Middle River in a hole separated from the deeper Front River by a sill. Movements related to tide stage or diel phase were not observed. Fish carrying transmitters with a depth option were always located on or near the bottom (±1.5-m transmitter accuracy). No juveniles were recorded as far downriver as the nursery area identified in a study conducted about a decade earlier, perhaps due to changes in hydrographic conditions that were induced by harbor modifications. The cool-season habitat is in the portion of the harbor to be impacted by further modifications. The relative abundance of juveniles suggests that recruitment has not increased despite an apparent increase in the adult population from the stocking of hatchery-reared fish during 1985-1992.</div>
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<fC01 i1="01" l="ENG"><s0>During 1999-2000, 28 juvenile (<56 cm total length) shortnose sturgeon Acipenser brevirostrum were captured in the lower Savannah River, Georgia-South Carolina, and acoustic transmitters were implanted in or attached to 15 of them. The juveniles were located only between river kilometers (rkm; measured from the mouth of the river) 31.2 and 47.5, in salinities of 0.1‰ to (briefly at high tide) 17.6‰, and at depths of 2.1-13.4 m. The fish used two small areas very intensively. When water temperatures were above 22°C, the fish moved upriver; they aggregated particularly at rkm 47.5 when temperatures were greatest, and the average salinity at this location was 0.1‰. When water temperatures were below 22°C, the fish moved downriver into Savannah Harbor and used approximately 2-km segments of the Front and Middle rivers just upriver of their confluence at rkm 31.5. Here they encountered higher salinities (mean, 5.4‰) than during warm months. During the period of lowest water temperatures, the fish aggregated just inside the mouth of the Middle River in a hole separated from the deeper Front River by a sill. Movements related to tide stage or diel phase were not observed. Fish carrying transmitters with a depth option were always located on or near the bottom (±1.5-m transmitter accuracy). No juveniles were recorded as far downriver as the nursery area identified in a study conducted about a decade earlier, perhaps due to changes in hydrographic conditions that were induced by harbor modifications. The cool-season habitat is in the portion of the harbor to be impacted by further modifications. The relative abundance of juveniles suggests that recruitment has not increased despite an apparent increase in the adult population from the stocking of hatchery-reared fish during 1985-1992.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A14D02B</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>002A14B02C2A</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Choix habitat</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Habitat selection</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Selección alojamiento</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Nourricerie</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Nursery (animal)</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Répartition spatiale</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Spatial distribution</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Distribución espacial</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Mouvement</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Motion</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Movimiento</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Animal jeune</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Young animal</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Animal joven</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Salinité</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Salinity</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Salinidad</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Température</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Temperature</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Temperatura</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Oxygène dissous</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Dissolved oxygen</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Oxígeno disuelto</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Espèce menacée</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Endangered species</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Especie amenazada</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Recrutement population</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Population recruitment</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Reclutamiento poblaciónal</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Variation saisonnière</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Seasonal variation</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Variación estacional</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Estuaire</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Estuaries</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Estuario</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Caroline du Sud</s0>
<s2>NG</s2>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>South Carolina</s0>
<s2>NG</s2>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Carolina del Sur</s0>
<s2>NG</s2>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Géorgie</s0>
<s2>NG</s2>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Georgia</s0>
<s2>NG</s2>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Georgia</s0>
<s2>NG</s2>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Acipenser brevirostrum</s0>
<s2>NS</s2>
<s4>INC</s4>
<s5>64</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Etats Unis</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>United States</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Estados Unidos</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Amérique du Nord</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>North America</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>America del norte</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Amérique</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>America</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>America</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Milieu saumâtre</s0>
<s5>17</s5>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Brackish water environment</s0>
<s5>17</s5>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Medio salobre</s0>
<s5>17</s5>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Facteur milieu</s0>
<s5>18</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Environmental factor</s0>
<s5>18</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Factor medio</s0>
<s5>18</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Pisces</s0>
<s2>NS</s2>
<s5>60</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Pisces</s0>
<s2>NS</s2>
<s5>60</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Pisces</s0>
<s2>NS</s2>
<s5>60</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Acipenseridae</s0>
<s2>NS</s2>
<s4>INC</s4>
<s5>70</s5>
</fC07>
<fN21><s1>287</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 02-0489082 INIST</NO>
<ET>Habitat use and movements of juvenile shortnose sturgeon in the Savannah River, Georgia-South Carolina</ET>
<AU>COLLINS (Mark R.); POST (William C.); RUSS (Daniel C.); SMITH (Theodore I. J.)</AU>
<AF>Marine Resources Research Institute, South Carolina Department of Natural Resources, Post Office Box 12559/Charleston, South Carolina 29412/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Transactions of the American Fisheries Society : (1900); ISSN 0002-8487; Coden TAFSAI; Etats-Unis; Da. 2002; Vol. 131; No. 5; Pp. 975-979; Bibl. 14 ref.</SO>
<LA>Anglais</LA>
<EA>During 1999-2000, 28 juvenile (<56 cm total length) shortnose sturgeon Acipenser brevirostrum were captured in the lower Savannah River, Georgia-South Carolina, and acoustic transmitters were implanted in or attached to 15 of them. The juveniles were located only between river kilometers (rkm; measured from the mouth of the river) 31.2 and 47.5, in salinities of 0.1‰ to (briefly at high tide) 17.6‰, and at depths of 2.1-13.4 m. The fish used two small areas very intensively. When water temperatures were above 22°C, the fish moved upriver; they aggregated particularly at rkm 47.5 when temperatures were greatest, and the average salinity at this location was 0.1‰. When water temperatures were below 22°C, the fish moved downriver into Savannah Harbor and used approximately 2-km segments of the Front and Middle rivers just upriver of their confluence at rkm 31.5. Here they encountered higher salinities (mean, 5.4‰) than during warm months. During the period of lowest water temperatures, the fish aggregated just inside the mouth of the Middle River in a hole separated from the deeper Front River by a sill. Movements related to tide stage or diel phase were not observed. Fish carrying transmitters with a depth option were always located on or near the bottom (±1.5-m transmitter accuracy). No juveniles were recorded as far downriver as the nursery area identified in a study conducted about a decade earlier, perhaps due to changes in hydrographic conditions that were induced by harbor modifications. The cool-season habitat is in the portion of the harbor to be impacted by further modifications. The relative abundance of juveniles suggests that recruitment has not increased despite an apparent increase in the adult population from the stocking of hatchery-reared fish during 1985-1992.</EA>
<CC>002A14D02B; 002A14B02C2A</CC>
<FD>Choix habitat; Nourricerie; Répartition spatiale; Mouvement; Animal jeune; Salinité; Température; Oxygène dissous; Espèce menacée; Recrutement population; Variation saisonnière; Estuaire; Caroline du Sud; Géorgie; Acipenser brevirostrum</FD>
<FG>Etats Unis; Amérique du Nord; Amérique; Milieu saumâtre; Facteur milieu; Pisces; Vertebrata; Acipenseridae</FG>
<ED>Habitat selection; Nursery (animal); Spatial distribution; Motion; Young animal; Salinity; Temperature; Dissolved oxygen; Endangered species; Population recruitment; Seasonal variation; Estuaries; South Carolina; Georgia</ED>
<EG>United States; North America; America; Brackish water environment; Environmental factor; Pisces; Vertebrata</EG>
<SD>Selección alojamiento; Distribución espacial; Movimiento; Animal joven; Salinidad; Temperatura; Oxígeno disuelto; Especie amenazada; Reclutamiento poblaciónal; Variación estacional; Estuario; Carolina del Sur; Georgia</SD>
<LO>INIST-9749.354000109186480140</LO>
<ID>02-0489082</ID>
</server>
</inist>
</record>

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Habitat use and movements of juvenile shortnose sturgeon in the Savannah River, Georgia-South Carolina

Habitat use and movements of juvenile shortnose sturgeon in the Savannah River, Georgia-South Carolina

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