Ontogenis changes in the feeding ecology of the early life stages of the Antarctic silverfish (Pleuragramma antarcticum) documented by stable isotopes and diet analysis in the Dumont d'Urville Sea (East Antarctica)
International audience The feeding ecology of the notothenioid fish Pleuragramma antarcticum was studied in the Dumont d'Urville Sea (East Antarctica) near the French Antarctic station. Stable isotopes (d13C and d15N) and diet contents were used in order to study dietary shifts between fish lar...
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ftunivnantes:oai:HAL:hal-00758199v1 2023-05-15T14:04:37+02:00 Ontogenis changes in the feeding ecology of the early life stages of the Antarctic silverfish (Pleuragramma antarcticum) documented by stable isotopes and diet analysis in the Dumont d'Urville Sea (East Antarctica) Giraldo, C. Cherel, Y. Vallet, Carole Mayzaud, P. Tavernier, Eric Moteki, M. Hosie, G. Koubbi, P. Institut universitaire de formation des maîtres - Nord-Pas-de-Calais (IUFM Nord-Pas-de-Calais) Université d'Artois (UA) Université Lille Nord de France (COMUE) Laboratoire d'océanographie de Villefranche (LOV) Observatoire océanologique de Villefranche-sur-mer (OOVM) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) 2011-04-21 https://hal.archives-ouvertes.fr/hal-00758199 en eng HAL CCSD Elsevier hal-00758199 https://hal.archives-ouvertes.fr/hal-00758199 ISSN: 1873-9652 Polar Science https://hal.archives-ouvertes.fr/hal-00758199 Polar Science, 2011, 5, pp.252-263 [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography info:eu-repo/semantics/article Journal articles 2011 ftunivnantes 2022-12-13T23:43:05Z International audience The feeding ecology of the notothenioid fish Pleuragramma antarcticum was studied in the Dumont d'Urville Sea (East Antarctica) near the French Antarctic station. Stable isotopes (d13C and d15N) and diet contents were used in order to study dietary shifts between fish larvae and juveniles. All specimens had low d13C values (< 24&), a main characteristic of high-Antarctic pelagic species. Fish larvae showed differences in both carbon and nitrogen ratios when compared with juveniles. Muscle d15N values showed a difference of one trophic level (w3&) between larvae (6.7&) and juveniles (9.7e10.0&) and a trophic position of tertiary consumers. Diet content analyses (stereomicroscope and scanning electron microscopes) indicated that larvae are omnivorous, feeding on phytoplankton (mainly diatoms) as well as on zooplankton species. A positive relationship between d15N values and size was found and indicated a carnivorous diet for older specimens. Article in Journal/Newspaper Antarc* Antarctic Antarctic silverfish Antarctica D'Urville Sea Dumont D'Urville Sea East Antarctica Polar Science Polar Science Université de Nantes: HAL-UNIV-NANTES Antarctic D'Urville Sea ENVELOPE(140.000,140.000,-65.000,-65.000) Dumont d'Urville ENVELOPE(140.017,140.017,-66.667,-66.667) Dumont-d'Urville ENVELOPE(140.013,140.013,-66.667,-66.667) East Antarctica The Antarctic |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
spellingShingle |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography Giraldo, C. Cherel, Y. Vallet, Carole Mayzaud, P. Tavernier, Eric Moteki, M. Hosie, G. Koubbi, P. Ontogenis changes in the feeding ecology of the early life stages of the Antarctic silverfish (Pleuragramma antarcticum) documented by stable isotopes and diet analysis in the Dumont d'Urville Sea (East Antarctica) |
topic_facet |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
description |
International audience The feeding ecology of the notothenioid fish Pleuragramma antarcticum was studied in the Dumont d'Urville Sea (East Antarctica) near the French Antarctic station. Stable isotopes (d13C and d15N) and diet contents were used in order to study dietary shifts between fish larvae and juveniles. All specimens had low d13C values (< 24&), a main characteristic of high-Antarctic pelagic species. Fish larvae showed differences in both carbon and nitrogen ratios when compared with juveniles. Muscle d15N values showed a difference of one trophic level (w3&) between larvae (6.7&) and juveniles (9.7e10.0&) and a trophic position of tertiary consumers. Diet content analyses (stereomicroscope and scanning electron microscopes) indicated that larvae are omnivorous, feeding on phytoplankton (mainly diatoms) as well as on zooplankton species. A positive relationship between d15N values and size was found and indicated a carnivorous diet for older specimens. |
author2 |
Institut universitaire de formation des maîtres - Nord-Pas-de-Calais (IUFM Nord-Pas-de-Calais) Université d'Artois (UA) Université Lille Nord de France (COMUE) Laboratoire d'océanographie de Villefranche (LOV) Observatoire océanologique de Villefranche-sur-mer (OOVM) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Giraldo, C. Cherel, Y. Vallet, Carole Mayzaud, P. Tavernier, Eric Moteki, M. Hosie, G. Koubbi, P. |
author_facet |
Giraldo, C. Cherel, Y. Vallet, Carole Mayzaud, P. Tavernier, Eric Moteki, M. Hosie, G. Koubbi, P. |
author_sort |
Giraldo, C. |
title |
Ontogenis changes in the feeding ecology of the early life stages of the Antarctic silverfish (Pleuragramma antarcticum) documented by stable isotopes and diet analysis in the Dumont d'Urville Sea (East Antarctica) |
title_short |
Ontogenis changes in the feeding ecology of the early life stages of the Antarctic silverfish (Pleuragramma antarcticum) documented by stable isotopes and diet analysis in the Dumont d'Urville Sea (East Antarctica) |
title_full |
Ontogenis changes in the feeding ecology of the early life stages of the Antarctic silverfish (Pleuragramma antarcticum) documented by stable isotopes and diet analysis in the Dumont d'Urville Sea (East Antarctica) |
title_fullStr |
Ontogenis changes in the feeding ecology of the early life stages of the Antarctic silverfish (Pleuragramma antarcticum) documented by stable isotopes and diet analysis in the Dumont d'Urville Sea (East Antarctica) |
title_full_unstemmed |
Ontogenis changes in the feeding ecology of the early life stages of the Antarctic silverfish (Pleuragramma antarcticum) documented by stable isotopes and diet analysis in the Dumont d'Urville Sea (East Antarctica) |
title_sort |
ontogenis changes in the feeding ecology of the early life stages of the antarctic silverfish (pleuragramma antarcticum) documented by stable isotopes and diet analysis in the dumont d'urville sea (east antarctica) |
publisher |
HAL CCSD |
publishDate |
2011 |
url |
https://hal.archives-ouvertes.fr/hal-00758199 |
long_lat |
ENVELOPE(140.000,140.000,-65.000,-65.000) ENVELOPE(140.017,140.017,-66.667,-66.667) ENVELOPE(140.013,140.013,-66.667,-66.667) |
geographic |
Antarctic D'Urville Sea Dumont d'Urville Dumont-d'Urville East Antarctica The Antarctic |
geographic_facet |
Antarctic D'Urville Sea Dumont d'Urville Dumont-d'Urville East Antarctica The Antarctic |
genre |
Antarc* Antarctic Antarctic silverfish Antarctica D'Urville Sea Dumont D'Urville Sea East Antarctica Polar Science Polar Science |
genre_facet |
Antarc* Antarctic Antarctic silverfish Antarctica D'Urville Sea Dumont D'Urville Sea East Antarctica Polar Science Polar Science |
op_source |
ISSN: 1873-9652 Polar Science https://hal.archives-ouvertes.fr/hal-00758199 Polar Science, 2011, 5, pp.252-263 |
op_relation |
hal-00758199 https://hal.archives-ouvertes.fr/hal-00758199 |
_version_ |
1766275827725500416 |