European eel distribution and body condition in a river floodplain: effect of longitudinal and lateral connectivity
International audience We studied eel population characteristics (size classes, densities and body condition) in the lower Loire River floodplain (France) to evaluate the effects of longitudinal and lateral gradients. A total of 36 sites were electrofished in June 2005. The sites were grouped first...
Published in: | Ecology of Freshwater Fish |
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Online Access: | https://doi.org/10.1111/j.1600-0633.2008.00307.x https://hal.archives-ouvertes.fr/hal-00440331/file/Lasne%20et%20al.%202008%20EFF_1.pdf https://hal.archives-ouvertes.fr/hal-00440331 |
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fttriple:oai:gotriple.eu:10670/1.uiirlm 2023-05-15T13:27:38+02:00 European eel distribution and body condition in a river floodplain: effect of longitudinal and lateral connectivity Lasne, Emilien Acou, A. Vila-Gispert, A. Laffaille, P. Biodiversité et gestion des territoires EA 7316 Biologie des organismes marins et écosystèmes (BOME) Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN) DIREN Pays-de-la-Loire; Agence de l'eau Loire-Bretagne; Conseil Regional Pays-de-la-Loire 2008-01-01 https://doi.org/10.1111/j.1600-0633.2008.00307.x https://hal.archives-ouvertes.fr/hal-00440331/file/Lasne%20et%20al.%202008%20EFF_1.pdf https://hal.archives-ouvertes.fr/hal-00440331 en eng HAL CCSD Consejo Superior de Investigaciones Científicas hal-00440331 doi:10.1111/j.1600-0633.2008.00307.x PRODINRA: 405201 WOS: 000260822600006 10670/1.uiirlm https://hal.archives-ouvertes.fr/hal-00440331/file/Lasne%20et%20al.%202008%20EFF_1.pdf https://hal.archives-ouvertes.fr/hal-00440331 lic_creative-commons other Hyper Article en Ligne - Sciences de l'Homme et de la Société ISSN: 0906-6691 EISSN: 1600-0633 Ecology of Freshwater Fish Ecology of Freshwater Fish, Consejo Superior de Investigaciones Científicas, 2008, 17 (4), pp.567 - 576. ⟨10.1111/j.1600-0633.2008.00307.x⟩ Anguilla anguilla body condition lateral connectivity distribution large river envir psy Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2008 fttriple https://doi.org/10.1111/j.1600-0633.2008.00307.x 2023-01-22T17:12:10Z International audience We studied eel population characteristics (size classes, densities and body condition) in the lower Loire River floodplain (France) to evaluate the effects of longitudinal and lateral gradients. A total of 36 sites were electrofished in June 2005. The sites were grouped first into three river segments according to the distance inland corresponding to a longitudinal gradient and secondly into three lateral connectivity categories. Results indicate that small eels, especially those ≤300 mm, were very abundant downstream but density rapidly decreased upstream. In addition, eels ≤150 mm tended to be most abundant in connected waterbodies. Conversely, the distribution of larger eels was quite uniform across both dimensions. Eel condition decreased upstream. In parallel, in downstream river segment, eels had a lower condition in disconnected waterbodies than in connected ones. Eel specialists still have only a longitudinal perception of eel habitat. Our results suggest that lateral gradients should be also taken into consideration Article in Journal/Newspaper Anguilla anguilla Unknown Ecology of Freshwater Fish 17 4 567 576 |
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Open Polar |
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Unknown |
op_collection_id |
fttriple |
language |
English |
topic |
Anguilla anguilla body condition lateral connectivity distribution large river envir psy |
spellingShingle |
Anguilla anguilla body condition lateral connectivity distribution large river envir psy Lasne, Emilien Acou, A. Vila-Gispert, A. Laffaille, P. European eel distribution and body condition in a river floodplain: effect of longitudinal and lateral connectivity |
topic_facet |
Anguilla anguilla body condition lateral connectivity distribution large river envir psy |
description |
International audience We studied eel population characteristics (size classes, densities and body condition) in the lower Loire River floodplain (France) to evaluate the effects of longitudinal and lateral gradients. A total of 36 sites were electrofished in June 2005. The sites were grouped first into three river segments according to the distance inland corresponding to a longitudinal gradient and secondly into three lateral connectivity categories. Results indicate that small eels, especially those ≤300 mm, were very abundant downstream but density rapidly decreased upstream. In addition, eels ≤150 mm tended to be most abundant in connected waterbodies. Conversely, the distribution of larger eels was quite uniform across both dimensions. Eel condition decreased upstream. In parallel, in downstream river segment, eels had a lower condition in disconnected waterbodies than in connected ones. Eel specialists still have only a longitudinal perception of eel habitat. Our results suggest that lateral gradients should be also taken into consideration |
author2 |
Biodiversité et gestion des territoires EA 7316 Biologie des organismes marins et écosystèmes (BOME) Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN) DIREN Pays-de-la-Loire; Agence de l'eau Loire-Bretagne; Conseil Regional Pays-de-la-Loire |
format |
Article in Journal/Newspaper |
author |
Lasne, Emilien Acou, A. Vila-Gispert, A. Laffaille, P. |
author_facet |
Lasne, Emilien Acou, A. Vila-Gispert, A. Laffaille, P. |
author_sort |
Lasne, Emilien |
title |
European eel distribution and body condition in a river floodplain: effect of longitudinal and lateral connectivity |
title_short |
European eel distribution and body condition in a river floodplain: effect of longitudinal and lateral connectivity |
title_full |
European eel distribution and body condition in a river floodplain: effect of longitudinal and lateral connectivity |
title_fullStr |
European eel distribution and body condition in a river floodplain: effect of longitudinal and lateral connectivity |
title_full_unstemmed |
European eel distribution and body condition in a river floodplain: effect of longitudinal and lateral connectivity |
title_sort |
european eel distribution and body condition in a river floodplain: effect of longitudinal and lateral connectivity |
publisher |
HAL CCSD |
publishDate |
2008 |
url |
https://doi.org/10.1111/j.1600-0633.2008.00307.x https://hal.archives-ouvertes.fr/hal-00440331/file/Lasne%20et%20al.%202008%20EFF_1.pdf https://hal.archives-ouvertes.fr/hal-00440331 |
genre |
Anguilla anguilla |
genre_facet |
Anguilla anguilla |
op_source |
Hyper Article en Ligne - Sciences de l'Homme et de la Société ISSN: 0906-6691 EISSN: 1600-0633 Ecology of Freshwater Fish Ecology of Freshwater Fish, Consejo Superior de Investigaciones Científicas, 2008, 17 (4), pp.567 - 576. ⟨10.1111/j.1600-0633.2008.00307.x⟩ |
op_relation |
hal-00440331 doi:10.1111/j.1600-0633.2008.00307.x PRODINRA: 405201 WOS: 000260822600006 10670/1.uiirlm https://hal.archives-ouvertes.fr/hal-00440331/file/Lasne%20et%20al.%202008%20EFF_1.pdf https://hal.archives-ouvertes.fr/hal-00440331 |
op_rights |
lic_creative-commons other |
op_doi |
https://doi.org/10.1111/j.1600-0633.2008.00307.x |
container_title |
Ecology of Freshwater Fish |
container_volume |
17 |
container_issue |
4 |
container_start_page |
567 |
op_container_end_page |
576 |
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1766399555692134400 |