Influence of environmental gradients on the distribution of benthic resources available for shorebirds on intertidal mudflats of Yves Bay, France
International audience The case study of Yves Bay (Pertuis Charentais, France) highlighted links between environmental gradients (i.e. sediment characteristics and emersion time) and prey distribution and availability for the two most numerous shorebird species overwintering in Yves Bay: the red kno...
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Format: | Article in Journal/Newspaper |
Language: | English |
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Online Access: | https://hal.science/hal-01304235 https://doi.org/10.1016/j.ecss.2016.03.013 |
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ftunivnantes:oai:HAL:hal-01304235v1 2023-05-15T15:48:16+02:00 Influence of environmental gradients on the distribution of benthic resources available for shorebirds on intertidal mudflats of Yves Bay, France Philippe, Anne S. Pinaud, David Cayatte, Marie-Laure Goulevant, Cyril Lachaussée, Nicolas Pineau, Philippe Karpytchev, Mikhail Bocher, Pierrick LIttoral ENvironnement et Sociétés (LIENSs) La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) Institut National de la Recherche Agronomique (INRA)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) Réeserve Naturelle Nationale du Marais d’Yves LPO 2016 https://hal.science/hal-01304235 https://doi.org/10.1016/j.ecss.2016.03.013 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ecss.2016.03.013 hal-01304235 https://hal.science/hal-01304235 doi:10.1016/j.ecss.2016.03.013 ISSN: 0272-7714 EISSN: 1096-0015 Estuarine, Coastal and Shelf Science https://hal.science/hal-01304235 Estuarine, Coastal and Shelf Science, 2016, 174, pp.71-81. ⟨10.1016/j.ecss.2016.03.013⟩ Yves Bay Marine molluscs Trophic zonality Tidal cycle Marine annelids Bay of Biscay France Grain size Pertuis Charentais 46°02′N–01°03′W [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2016 ftunivnantes https://doi.org/10.1016/j.ecss.2016.03.013 2023-03-08T07:10:13Z International audience The case study of Yves Bay (Pertuis Charentais, France) highlighted links between environmental gradients (i.e. sediment characteristics and emersion time) and prey distribution and availability for the two most numerous shorebird species overwintering in Yves Bay: the red knot Calidris canutus and the dunlin Calidris alpina. Two hundred and fifty-two stations were sampled on a predetermined 250 m regular grid covering the intertidal mudflats of this major wintering site in France for east-Atlantic migratory shorebirds. The distribution of principal benthic species abundance and biomass was modelled along two environmental gradients: sediment structure (particularly pronounced north–south sand-mud gradient) and emersion time. The effect of emersion time combined with sedimentary structure strongly explained abundances and biomasses of the main prey for C. canutus and C. alpina in the bay (Cerastoderma edule, Hydrobia ulvae, Macoma balthica, Scrobicularia plana, and Nephtys hombergii). This study highlighted prey species-specific spatial segregation/overlapping as well as spatial interferences in the trophic niche of the two shorebirds. Article in Journal/Newspaper Calidris alpina Calidris canutus Red Knot Université de Nantes: HAL-UNIV-NANTES Estuarine, Coastal and Shelf Science 174 71 81 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
Yves Bay Marine molluscs Trophic zonality Tidal cycle Marine annelids Bay of Biscay France Grain size Pertuis Charentais 46°02′N–01°03′W [SDE]Environmental Sciences |
spellingShingle |
Yves Bay Marine molluscs Trophic zonality Tidal cycle Marine annelids Bay of Biscay France Grain size Pertuis Charentais 46°02′N–01°03′W [SDE]Environmental Sciences Philippe, Anne S. Pinaud, David Cayatte, Marie-Laure Goulevant, Cyril Lachaussée, Nicolas Pineau, Philippe Karpytchev, Mikhail Bocher, Pierrick Influence of environmental gradients on the distribution of benthic resources available for shorebirds on intertidal mudflats of Yves Bay, France |
topic_facet |
Yves Bay Marine molluscs Trophic zonality Tidal cycle Marine annelids Bay of Biscay France Grain size Pertuis Charentais 46°02′N–01°03′W [SDE]Environmental Sciences |
description |
International audience The case study of Yves Bay (Pertuis Charentais, France) highlighted links between environmental gradients (i.e. sediment characteristics and emersion time) and prey distribution and availability for the two most numerous shorebird species overwintering in Yves Bay: the red knot Calidris canutus and the dunlin Calidris alpina. Two hundred and fifty-two stations were sampled on a predetermined 250 m regular grid covering the intertidal mudflats of this major wintering site in France for east-Atlantic migratory shorebirds. The distribution of principal benthic species abundance and biomass was modelled along two environmental gradients: sediment structure (particularly pronounced north–south sand-mud gradient) and emersion time. The effect of emersion time combined with sedimentary structure strongly explained abundances and biomasses of the main prey for C. canutus and C. alpina in the bay (Cerastoderma edule, Hydrobia ulvae, Macoma balthica, Scrobicularia plana, and Nephtys hombergii). This study highlighted prey species-specific spatial segregation/overlapping as well as spatial interferences in the trophic niche of the two shorebirds. |
author2 |
LIttoral ENvironnement et Sociétés (LIENSs) La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) Institut National de la Recherche Agronomique (INRA)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) Réeserve Naturelle Nationale du Marais d’Yves LPO |
format |
Article in Journal/Newspaper |
author |
Philippe, Anne S. Pinaud, David Cayatte, Marie-Laure Goulevant, Cyril Lachaussée, Nicolas Pineau, Philippe Karpytchev, Mikhail Bocher, Pierrick |
author_facet |
Philippe, Anne S. Pinaud, David Cayatte, Marie-Laure Goulevant, Cyril Lachaussée, Nicolas Pineau, Philippe Karpytchev, Mikhail Bocher, Pierrick |
author_sort |
Philippe, Anne S. |
title |
Influence of environmental gradients on the distribution of benthic resources available for shorebirds on intertidal mudflats of Yves Bay, France |
title_short |
Influence of environmental gradients on the distribution of benthic resources available for shorebirds on intertidal mudflats of Yves Bay, France |
title_full |
Influence of environmental gradients on the distribution of benthic resources available for shorebirds on intertidal mudflats of Yves Bay, France |
title_fullStr |
Influence of environmental gradients on the distribution of benthic resources available for shorebirds on intertidal mudflats of Yves Bay, France |
title_full_unstemmed |
Influence of environmental gradients on the distribution of benthic resources available for shorebirds on intertidal mudflats of Yves Bay, France |
title_sort |
influence of environmental gradients on the distribution of benthic resources available for shorebirds on intertidal mudflats of yves bay, france |
publisher |
HAL CCSD |
publishDate |
2016 |
url |
https://hal.science/hal-01304235 https://doi.org/10.1016/j.ecss.2016.03.013 |
genre |
Calidris alpina Calidris canutus Red Knot |
genre_facet |
Calidris alpina Calidris canutus Red Knot |
op_source |
ISSN: 0272-7714 EISSN: 1096-0015 Estuarine, Coastal and Shelf Science https://hal.science/hal-01304235 Estuarine, Coastal and Shelf Science, 2016, 174, pp.71-81. ⟨10.1016/j.ecss.2016.03.013⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ecss.2016.03.013 hal-01304235 https://hal.science/hal-01304235 doi:10.1016/j.ecss.2016.03.013 |
op_doi |
https://doi.org/10.1016/j.ecss.2016.03.013 |
container_title |
Estuarine, Coastal and Shelf Science |
container_volume |
174 |
container_start_page |
71 |
op_container_end_page |
81 |
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1766383264091602944 |