Diet variability of Mediterranean insular populations of Rattus rattus studied by stable isotope analysis
International audience The black rat Rattus rattus is a successful colonizer that threatens native species on numerous islands. Stable isotopes of carbon and nitrogen were used to quantify the rat diet on islands off the southern French coast. Samples of rat hair and faeces and their potential food...
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ftunivnantes:oai:HAL:halsde-00449559v1 2023-05-15T18:04:47+02:00 Diet variability of Mediterranean insular populations of Rattus rattus studied by stable isotope analysis Cassaing, Jacques Derré, Cécile Moussa, Issam Cheylan, Gilles Institut des Sciences de l'Evolution de Montpellier (UMR ISEM) Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Institut de recherche pour le développement IRD : UR226-Centre National de la Recherche Scientifique (CNRS) 2007-09 https://hal.archives-ouvertes.fr/halsde-00449559 https://doi.org/10.1080/10256010701562919 en eng HAL CCSD Taylor & Francis info:eu-repo/semantics/altIdentifier/doi/10.1080/10256010701562919 halsde-00449559 https://hal.archives-ouvertes.fr/halsde-00449559 doi:10.1080/10256010701562919 ISSN: 1025-6016 Isotopes in Environmental and Health Studies https://hal.archives-ouvertes.fr/halsde-00449559 Isotopes in Environmental and Health Studies, Taylor & Francis, 2007, 43 (3), pp.197 - 213. ⟨10.1080/10256010701562919⟩ Carbon-13 Diet Island ecology Natural isotope abundances Nitrogen-15 Rattus rattus [SDE.BE]Environmental Sciences/Biodiversity and Ecology info:eu-repo/semantics/article Journal articles 2007 ftunivnantes https://doi.org/10.1080/10256010701562919 2022-10-04T23:02:54Z International audience The black rat Rattus rattus is a successful colonizer that threatens native species on numerous islands. Stable isotopes of carbon and nitrogen were used to quantify the rat diet on islands off the southern French coast. Samples of rat hair and faeces and their potential food were collected on each island. The nitrogen isotopic values of invertebrates and vegetation on Riou (near Marseille) differed from the other two islands (Hyegraveres archipelago). This was attributed to a large colony of gulls on Riou, of which rats take great advantage. A part of the observed variability was due to methodological skews: two kinds of hair gave different results and there was an effect of the season and year of sampling but inter-island differences were noticeable. In certain cases, the food source value from plants and invertebrates could supply the total food needs of rats as there was no evidence of consumption of eggs, chicks or birds. Article in Journal/Newspaper Rattus rattus Université de Nantes: HAL-UNIV-NANTES Isotopes in Environmental and Health Studies 43 3 197 213 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
Carbon-13 Diet Island ecology Natural isotope abundances Nitrogen-15 Rattus rattus [SDE.BE]Environmental Sciences/Biodiversity and Ecology |
spellingShingle |
Carbon-13 Diet Island ecology Natural isotope abundances Nitrogen-15 Rattus rattus [SDE.BE]Environmental Sciences/Biodiversity and Ecology Cassaing, Jacques Derré, Cécile Moussa, Issam Cheylan, Gilles Diet variability of Mediterranean insular populations of Rattus rattus studied by stable isotope analysis |
topic_facet |
Carbon-13 Diet Island ecology Natural isotope abundances Nitrogen-15 Rattus rattus [SDE.BE]Environmental Sciences/Biodiversity and Ecology |
description |
International audience The black rat Rattus rattus is a successful colonizer that threatens native species on numerous islands. Stable isotopes of carbon and nitrogen were used to quantify the rat diet on islands off the southern French coast. Samples of rat hair and faeces and their potential food were collected on each island. The nitrogen isotopic values of invertebrates and vegetation on Riou (near Marseille) differed from the other two islands (Hyegraveres archipelago). This was attributed to a large colony of gulls on Riou, of which rats take great advantage. A part of the observed variability was due to methodological skews: two kinds of hair gave different results and there was an effect of the season and year of sampling but inter-island differences were noticeable. In certain cases, the food source value from plants and invertebrates could supply the total food needs of rats as there was no evidence of consumption of eggs, chicks or birds. |
author2 |
Institut des Sciences de l'Evolution de Montpellier (UMR ISEM) Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Institut de recherche pour le développement IRD : UR226-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Cassaing, Jacques Derré, Cécile Moussa, Issam Cheylan, Gilles |
author_facet |
Cassaing, Jacques Derré, Cécile Moussa, Issam Cheylan, Gilles |
author_sort |
Cassaing, Jacques |
title |
Diet variability of Mediterranean insular populations of Rattus rattus studied by stable isotope analysis |
title_short |
Diet variability of Mediterranean insular populations of Rattus rattus studied by stable isotope analysis |
title_full |
Diet variability of Mediterranean insular populations of Rattus rattus studied by stable isotope analysis |
title_fullStr |
Diet variability of Mediterranean insular populations of Rattus rattus studied by stable isotope analysis |
title_full_unstemmed |
Diet variability of Mediterranean insular populations of Rattus rattus studied by stable isotope analysis |
title_sort |
diet variability of mediterranean insular populations of rattus rattus studied by stable isotope analysis |
publisher |
HAL CCSD |
publishDate |
2007 |
url |
https://hal.archives-ouvertes.fr/halsde-00449559 https://doi.org/10.1080/10256010701562919 |
genre |
Rattus rattus |
genre_facet |
Rattus rattus |
op_source |
ISSN: 1025-6016 Isotopes in Environmental and Health Studies https://hal.archives-ouvertes.fr/halsde-00449559 Isotopes in Environmental and Health Studies, Taylor & Francis, 2007, 43 (3), pp.197 - 213. ⟨10.1080/10256010701562919⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1080/10256010701562919 halsde-00449559 https://hal.archives-ouvertes.fr/halsde-00449559 doi:10.1080/10256010701562919 |
op_doi |
https://doi.org/10.1080/10256010701562919 |
container_title |
Isotopes in Environmental and Health Studies |
container_volume |
43 |
container_issue |
3 |
container_start_page |
197 |
op_container_end_page |
213 |
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1766176192298221568 |