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Rehabilitation efforts for Atlantic salmon in the Meuse basin area : Synthesis 1983-1998
Prignon, Claire; Micha, Jean-Claude; Rimbaud, Gilles et al.
1999In Hydrobiologia, 410, p. 69-77
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Keywords :
Atlantic salmon, rehabilitation; Meuse River, restocking; weir, fish-pass
Abstract :
[en] In the 1950's, Atlantic salmon had become extinct in the river Meuse basin, mainly owing to the construction of navigation weirs. In 1987, started a rehabilitation program of Atlantic salmon in Belgium. Stockings are being performed in six tributaries of the river Meuse, using eyed eggs, parr and pre-smolt obtained from foreign eggs reared in a hatchery of the 'Service de la Pêche'. By the end of 1998, 896033 young salmon have been released in the wild, especially in the river Ourthe basin. In most of the cases, the evaluation of stocking operations indicates good adaptation of parr in the tributaries where they are stocked, with autumnal 0+ parr density up to 20-30 ind. /100 m2. However, fish mortality may occur when smolts pass through the turbines of the hydropower stations in the river Meuse (5% per power plant), and most of the fish passes located downstream of Namur are not suitable for anadromous fish migration. The paper reports the results of stocking experiments, the evaluation of mortality rates in turbines and the advancement of programmes aiming at the rehabilitation of downstream and upstream migration (construction of fish migration facilities).
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
Prignon, Claire;  Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP > Unité de Biologie des Organismes (URBO)
Micha, Jean-Claude;  ibidem
Rimbaud, Gilles ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Département des sciences et gestion de l'environnement
Philippart, Jean-Claude ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale
Language :
English
Title :
Rehabilitation efforts for Atlantic salmon in the Meuse basin area : Synthesis 1983-1998
Publication date :
1999
Journal title :
Hydrobiologia
ISSN :
0018-8158
eISSN :
1573-5117
Publisher :
Kluwer Academic Publishers, Netherlands
Special issue title :
Man and River Systems, J. Garnier and J.-M. Mouchel (Eds)
Volume :
410
Pages :
69-77
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Meuse Saumon 2000
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
SPW - Service Public de Wallonie [BE]
Commentary :
A printed version of this document is available by mailing a demand to : jcphilippart@uliege.be
Available on ORBi :
since 12 November 2019

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