Stable carbon isotope evidence for reduced feeding of Gulf of Mexico sturgeon during their prolonged river residence period
Identifieur interne : 000327 ( PascalFrancis/Corpus ); précédent : 000326; suivant : 000328Stable carbon isotope evidence for reduced feeding of Gulf of Mexico sturgeon during their prolonged river residence period
Auteurs : B. Gu ; D. M. Schell ; T. Frazer ; M. Hoyer ; F. A. ChapmanSource :
- Estuarine, coastal and shelf science [ 0272-7714 ] ; 2001.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Stable carbon isotope ratios were used to delineate food sources for Gulf of Mexico sturgeon (Acipenser oxyrinchus de sotoi), an anadromous fish that migrates between Gulf of Mexico and the coastal rivers in south-east U.S.A. The large difference in isotope ratios (∼ 11‰) between freshwater food sources and fish muscle tissue suggests that the Gulf of Mexico sturgeon do not feed significantly in fresh waters. Isotope ratio data from this study and also from the literature indicate that the growth of Gulf of Mexico sturgeon is almost entirely supported by coastal marine food sources. It is likely that Gulf of Mexico sturgeon use the cool springs that seep into the river as a thermal refuge during their river residence in summer and that thermal barriers may prevent the fish from exploiting the rich food sources available in the warmer portions of the Suwannee River.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 02-0234846 INIST |
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ET : | Stable carbon isotope evidence for reduced feeding of Gulf of Mexico sturgeon during their prolonged river residence period |
AU : | GU (B.); SCHELL (D. M.); FRAZER (T.); HOYER (M.); CHAPMAN (F. A.) |
AF : | Department of Fisheries and Aquatic Sciences, University of Florida, 7922 NW 71st Street/Gainesville, FL 32653/Etats-Unis (1 aut., 3 aut., 4 aut., 5 aut.); Water and Environmental Research Center, University of Alaska Fairbanks/Fairbanks, AK 99775-1760/Etats-Unis (2 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Estuarine, coastal and shelf science; ISSN 0272-7714; Coden ECSSD3; Royaume-Uni; Da. 2001; Vol. 53; No. 3; Pp. 275-280; Bibl. 31 ref. |
LA : | Anglais |
EA : | Stable carbon isotope ratios were used to delineate food sources for Gulf of Mexico sturgeon (Acipenser oxyrinchus de sotoi), an anadromous fish that migrates between Gulf of Mexico and the coastal rivers in south-east U.S.A. The large difference in isotope ratios (∼ 11‰) between freshwater food sources and fish muscle tissue suggests that the Gulf of Mexico sturgeon do not feed significantly in fresh waters. Isotope ratio data from this study and also from the literature indicate that the growth of Gulf of Mexico sturgeon is almost entirely supported by coastal marine food sources. It is likely that Gulf of Mexico sturgeon use the cool springs that seep into the river as a thermal refuge during their river residence in summer and that thermal barriers may prevent the fish from exploiting the rich food sources available in the warmer portions of the Suwannee River. |
CC : | 002A14B02C2A |
FD : | Marquage isotopique; Carbone; Régime alimentaire; Ressource alimentaire; Cours eau; Etats Unis; Alimentation; Pisces |
FG : | Amérique du Nord; Amérique; Milieu eau douce; Vertebrata |
ED : | Isotope labelling; Carbon; Diet; Food supply; Stream; United States; Feeding; Pisces |
EG : | North America; America; Freshwater environment; Vertebrata |
SD : | Marcación isotópica; Carbono; Régimen alimentario; Recurso alimentario; Curso agua; Estados Unidos; Alimentación; Pisces |
LO : | INIST-16211.354000099693620020 |
ID : | 02-0234846 |
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Pascal:02-0234846Le document en format XML
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<front><div type="abstract" xml:lang="en">Stable carbon isotope ratios were used to delineate food sources for Gulf of Mexico sturgeon (Acipenser oxyrinchus de sotoi), an anadromous fish that migrates between Gulf of Mexico and the coastal rivers in south-east U.S.A. The large difference in isotope ratios (∼ 11‰) between freshwater food sources and fish muscle tissue suggests that the Gulf of Mexico sturgeon do not feed significantly in fresh waters. Isotope ratio data from this study and also from the literature indicate that the growth of Gulf of Mexico sturgeon is almost entirely supported by coastal marine food sources. It is likely that Gulf of Mexico sturgeon use the cool springs that seep into the river as a thermal refuge during their river residence in summer and that thermal barriers may prevent the fish from exploiting the rich food sources available in the warmer portions of the Suwannee River.</div>
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<ET>Stable carbon isotope evidence for reduced feeding of Gulf of Mexico sturgeon during their prolonged river residence period</ET>
<AU>GU (B.); SCHELL (D. M.); FRAZER (T.); HOYER (M.); CHAPMAN (F. A.)</AU>
<AF>Department of Fisheries and Aquatic Sciences, University of Florida, 7922 NW 71st Street/Gainesville, FL 32653/Etats-Unis (1 aut., 3 aut., 4 aut., 5 aut.); Water and Environmental Research Center, University of Alaska Fairbanks/Fairbanks, AK 99775-1760/Etats-Unis (2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Estuarine, coastal and shelf science; ISSN 0272-7714; Coden ECSSD3; Royaume-Uni; Da. 2001; Vol. 53; No. 3; Pp. 275-280; Bibl. 31 ref.</SO>
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<EA>Stable carbon isotope ratios were used to delineate food sources for Gulf of Mexico sturgeon (Acipenser oxyrinchus de sotoi), an anadromous fish that migrates between Gulf of Mexico and the coastal rivers in south-east U.S.A. The large difference in isotope ratios (∼ 11‰) between freshwater food sources and fish muscle tissue suggests that the Gulf of Mexico sturgeon do not feed significantly in fresh waters. Isotope ratio data from this study and also from the literature indicate that the growth of Gulf of Mexico sturgeon is almost entirely supported by coastal marine food sources. It is likely that Gulf of Mexico sturgeon use the cool springs that seep into the river as a thermal refuge during their river residence in summer and that thermal barriers may prevent the fish from exploiting the rich food sources available in the warmer portions of the Suwannee River.</EA>
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