Experimental shift in diet Delta13C: A potential tool for ecophysiological studies in marine bivalves
To test the potential of diet switching experiments in ecophysiological studies of marine invertebrates, stable carbon isotope ratios were measured at different seasons in the gonad, adductor muscle, digestive gland and gills of scallops (Pecten maximus) and oysters (Crassostrea gigas) held for 15 d...
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ftarchimer:oai:archimer.ifremer.fr:1202 2023-05-15T15:58:08+02:00 Experimental shift in diet Delta13C: A potential tool for ecophysiological studies in marine bivalves Paulet, Yves-marie Lorrain, Anne Richard, Joëlle Pouvreau, Stephane 2006-10 application/pdf https://archimer.ifremer.fr/doc/2006/publication-1202.pdf https://doi.org/10.1016/j.orggeochem.2006.01.008 https://archimer.ifremer.fr/doc/00000/1202/ eng eng Elsevier https://archimer.ifremer.fr/doc/2006/publication-1202.pdf doi:10.1016/j.orggeochem.2006.01.008 https://archimer.ifremer.fr/doc/00000/1202/ 2006 Elsevier Ltd All rights reserved info:eu-repo/semantics/openAccess restricted use Organic Geochemistry (0146-6380) (Elsevier), 2006-10 , Vol. 37 , N. 10 , P. 1359-1370 Crassostrea gigas Pecten maximus Carbon isotopes Metabolism Energy allocation text Publication info:eu-repo/semantics/article 2006 ftarchimer https://doi.org/10.1016/j.orggeochem.2006.01.008 2021-09-23T20:13:44Z To test the potential of diet switching experiments in ecophysiological studies of marine invertebrates, stable carbon isotope ratios were measured at different seasons in the gonad, adductor muscle, digestive gland and gills of scallops (Pecten maximus) and oysters (Crassostrea gigas) held for 15 days on a constant diet of phytoplankton depleted in 13C. The aim of this study was to determine if differences in carbon incorporation could be detected among species, seasons and organs, and if so, whether it was consistent with their known energy-allocation patterns. After offering the new diet, isotope values of the different organs gradually shifted and significant differences among organs, seasons and species were found. A carbon incorporation index (CII) was calculated to compare the metabolic activity of each organ of the two species between day 0 and day 15. For both species, the digestive gland had the highest CII, the adductor muscle the lowest, while gonad and gills had intermediate values. The CII was generally much higher in P. maximus than in C. gigas, suggesting higher metabolic activity in this species. Seasonal differences in the CII were also observed for the two species and were interpreted as differences in metabolic activity in accordance with our energy allocation scenario. Therefore, stable isotope diet switching experiments appear to be of great value for assessing metabolic orientation in bivalves. Article in Journal/Newspaper Crassostrea gigas Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) Organic Geochemistry 37 10 1359 1370 |
institution |
Open Polar |
collection |
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) |
op_collection_id |
ftarchimer |
language |
English |
topic |
Crassostrea gigas Pecten maximus Carbon isotopes Metabolism Energy allocation |
spellingShingle |
Crassostrea gigas Pecten maximus Carbon isotopes Metabolism Energy allocation Paulet, Yves-marie Lorrain, Anne Richard, Joëlle Pouvreau, Stephane Experimental shift in diet Delta13C: A potential tool for ecophysiological studies in marine bivalves |
topic_facet |
Crassostrea gigas Pecten maximus Carbon isotopes Metabolism Energy allocation |
description |
To test the potential of diet switching experiments in ecophysiological studies of marine invertebrates, stable carbon isotope ratios were measured at different seasons in the gonad, adductor muscle, digestive gland and gills of scallops (Pecten maximus) and oysters (Crassostrea gigas) held for 15 days on a constant diet of phytoplankton depleted in 13C. The aim of this study was to determine if differences in carbon incorporation could be detected among species, seasons and organs, and if so, whether it was consistent with their known energy-allocation patterns. After offering the new diet, isotope values of the different organs gradually shifted and significant differences among organs, seasons and species were found. A carbon incorporation index (CII) was calculated to compare the metabolic activity of each organ of the two species between day 0 and day 15. For both species, the digestive gland had the highest CII, the adductor muscle the lowest, while gonad and gills had intermediate values. The CII was generally much higher in P. maximus than in C. gigas, suggesting higher metabolic activity in this species. Seasonal differences in the CII were also observed for the two species and were interpreted as differences in metabolic activity in accordance with our energy allocation scenario. Therefore, stable isotope diet switching experiments appear to be of great value for assessing metabolic orientation in bivalves. |
format |
Article in Journal/Newspaper |
author |
Paulet, Yves-marie Lorrain, Anne Richard, Joëlle Pouvreau, Stephane |
author_facet |
Paulet, Yves-marie Lorrain, Anne Richard, Joëlle Pouvreau, Stephane |
author_sort |
Paulet, Yves-marie |
title |
Experimental shift in diet Delta13C: A potential tool for ecophysiological studies in marine bivalves |
title_short |
Experimental shift in diet Delta13C: A potential tool for ecophysiological studies in marine bivalves |
title_full |
Experimental shift in diet Delta13C: A potential tool for ecophysiological studies in marine bivalves |
title_fullStr |
Experimental shift in diet Delta13C: A potential tool for ecophysiological studies in marine bivalves |
title_full_unstemmed |
Experimental shift in diet Delta13C: A potential tool for ecophysiological studies in marine bivalves |
title_sort |
experimental shift in diet delta13c: a potential tool for ecophysiological studies in marine bivalves |
publisher |
Elsevier |
publishDate |
2006 |
url |
https://archimer.ifremer.fr/doc/2006/publication-1202.pdf https://doi.org/10.1016/j.orggeochem.2006.01.008 https://archimer.ifremer.fr/doc/00000/1202/ |
genre |
Crassostrea gigas |
genre_facet |
Crassostrea gigas |
op_source |
Organic Geochemistry (0146-6380) (Elsevier), 2006-10 , Vol. 37 , N. 10 , P. 1359-1370 |
op_relation |
https://archimer.ifremer.fr/doc/2006/publication-1202.pdf doi:10.1016/j.orggeochem.2006.01.008 https://archimer.ifremer.fr/doc/00000/1202/ |
op_rights |
2006 Elsevier Ltd All rights reserved info:eu-repo/semantics/openAccess restricted use |
op_doi |
https://doi.org/10.1016/j.orggeochem.2006.01.008 |
container_title |
Organic Geochemistry |
container_volume |
37 |
container_issue |
10 |
container_start_page |
1359 |
op_container_end_page |
1370 |
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1766393860333764608 |