| Issue |
Bull. Fr. Piscic.
Number 290, 1983
|
|
|---|---|---|
| Page(s) | 158 - 160 | |
| DOI | https://doi.org/10.1051/kmae:1983007 | |
| Published online | 01 August 2008 | |
La réintroduction de l'omble chevalier (Salvelinus alpinus) dans le lac de Neuchâtel (Suisse)
Inspectorat Cantonal de la Pêche et de la Chasse, 1 6, rue du Château - CH - 2001
NEUCHATEL (Suisse).
La forme autochtone d'Omble chevalier du lac de Neuchâtel a disparu vers 1970. Sa réintroduction en 1979 à partir de 30 000 estivaux provenant du Léman a permis la recapture de 23 % des effectifs jusqu'en 1982. Le fait que la majorité des individus se capturent jusqu'à la classe d'âge 2+ pose des problèmes de gestion à long terme.
Abstract
The autochtone Salvelinus alpinus of the lake of Neuchâtel disappeared in 1970. Reintroduction of this species was done in 1979 with 30 000 summerlings from the lake of Geneva. Until 1 982, 23 % of the introduced fishes were caught. As the major part of the individuals caught belonged to the the 2+ age class (immatures), the long term survival of the Salvelinus population in t he lake seems problematic.
© ONEMA, 1983
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