Reference : Escapement success and patterns of downstream migration of female silver eel Anguilla an...
Scientific journals : Article
Life sciences : Environmental sciences & ecology
http://hdl.handle.net/2268/114367
Escapement success and patterns of downstream migration of female silver eel Anguilla anguilla in the River Meuse
English
Verbiest, Hilde [Research Institute for Nature and Forest, Hoeilaart, Belgium > > > >]
Breukelaar, André [Rijkswaterstaat Waterdienst, Lelystad, The Netherlands > > > >]
Ovidio, Michaël mailto [Université de Liège - ULg > Département de Biologie, Ecologie, Evolution. > Laboratoire de Démographie des Poissons et d'Hydroécologie (LDPH) > > >]
Philippart, Jean-Claude mailto [Université de Liège - ULg > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale >]
Belpaire, Claude [Research Institute for Nature and Forest, Hoeilaart, Belgium > > > >]
Jul-2012
Ecology of Freshwater Fish
Blackwell Publishing
21
395-403
Yes (verified by ORBi)
International
0906-6691
Oxford
United Kingdom
[en] Anguilla anguilla ; silver eel ; downstream migration ; telemetry ; River Meuse Basin
Applied and Fundamental FISH Research Center - AFFISH-RC
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/114367
10.1111/j.1600-0633.2012.00559.x
Downstream migration of female silver eel Anguilla anguilla (L.) was studied by remote telemetry in the lower part of the River Meuse (Belgium and the Netherlands) using a combination of nine detection stations and manual tracking. N = 31 eels (LT 64–90 cm) were implanted with active transponders and released in 2007 into the River Berwijn, a small Belgian tributary of the River Meuse, 326 km from the North Sea. From August 2007 till April 2008, 13 eels (42%) started their downstream migration and were detected at two or more stations. Mean migration speed was 0.62 mÆs)1 (or 53 kmÆday)1). Only two eels (15%) arrived at the North Sea, the others being held up or killed at hydroelectric power stations, caught by fishermen or by predators or stopped their migration and settled in the river delta. A majority (58%) of the eels classified as potential migrants did not start their migration
and settled in the River Berwijn or upper Meuse as verified by additional manual tracking.

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