| Issue |
Annls Limnol.
Volume 14, Number 1-2, 1978
|
|
|---|---|---|
| Page(s) | 133 - 138 | |
| DOI | https://doi.org/10.1051/limn/1978015 | |
| Published online | 15 June 2011 | |
Transformation de la faune des poissons dans la rivière Lot
Changes in the species composition of fish in the river Lot
1
Laboratoire d'Hydrobiologie (ERA 702), Université Paul-Sabatier, 118, route de Narbonne, 31077 Toulouse Cedex
2
Laboratoire d'Ichtyologie appliquée, ENSAT, 145, avenue de Muret, 31076 Toulouse Cedex
Les perturbations provoquées par la construction de grands réservoirs sur le Haut Lot et la Truyère ont modifié la répartition des principales espèces de poissons, notamment dans la zone à barbeaux. Cependant, le schéma piscicole de la rivière reste classique et, pour l'aval, caractéristique d'une rivière de plaine très poissonneuse.
Abstract
The disturbances in the river caused by the construction of large reservoirs in the upper Lot and its tributary the Truyère have modified the distribution of the principal fish species, particularly in the barbel zone.
However the overall distribution of fish species in the river remains normal and downstream the distribution is characteristic of a lowland river with abundant fish.
© Masson, 1978
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