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Assessing the freshwater distribution of yellow eel

Lasne, Emilien and Laffaille, Pascal Assessing the freshwater distribution of yellow eel. (2009) Knowledge and Management of Aquatic Ecosystems, vol. 390-391 . ISSN 1961-9502

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Official URL: http://dx.doi.org/10.1051/kmae/2009004

Abstract

In the global context of the decline in wild species, modeling the distribution of populations is a crucial aspect of ecological management. This can be a major challenge, especially for species, such as the European eel, that have complex life cycles, exhibit cryptic behavior, or migrate over long distances. A review of the literature suggests that eel size data could be used to assess and analyze freshwater distribution of eel. We argue that analyses based on small yellow eels (≤ 300 mm) along the longitudinal course of rivers could provide a valuable tool for population monitoring. We propose a standardized catchment recruitment index and a colonization index based on the probability of occurrence (presence/absence data) using logistic models for different size classes. The model developed here provides a convenient guide for assessing yellow eel stages in freshwater areas, and should have concrete applications for management of the species.

Item Type:Article
Additional Information:Thanks to EDP Science. The original version is available at : http://www.kmae-journal.org/articles/kmae/abs/2008/03/kmae08012/kmae08012.html
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Agrocampus Ouest (FRANCE)
French research institutions > Institut National de la Recherche Agronomique - INRA
Other partners > Université de Rennes 1 (FRANCE)
Laboratory name:
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Deposited By: Pascal LAFFAILLE
Deposited On:22 Oct 2012 12:26

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