Reference : Mobility of individual roach Rutilus rutilus (L.) in three weir-fragmented Belgian rivers
Scientific journals : Article
Life sciences : Aquatic sciences & oceanology
http://hdl.handle.net/2268/5846
Mobility of individual roach Rutilus rutilus (L.) in three weir-fragmented Belgian rivers
English
Geeraerts, Caroline [> > > >]
Ovidio, Michaël mailto [Université de Liège - ULg > > Biologie du comportement - Ethologie et psychologie animale >]
Verbiest, Hilde [> > > >]
Buysse, David [> > > >]
Coeck, Johan [> > > >]
Belpaire, Claude [> > > >]
Philippart, Jean-Claude mailto [Université de Liège - ULg > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale >]
May-2007
Hydrobiologia
Springer
582
143-153
Yes (verified by ORBi)
International
0018-8158
Dordrecht
[en] roach ; migration ; telemetry ; barrier ; fragmentation ; seasonal movements
[en] Adult roach Rutilus rutilus (L.) (N = 24; 19.9-36.1 cm FL) from three highly fragmented Belgian rivers were tagged with surgically implanted radio transmitters. Their seasonal movements were observed from March to August 2004 (circum reproduction period) in river stretches delimited by two physical barriers. In the three rivers, roach displayed similar patterns of movements which were mainly influenced by the date of observation (movements increased in late April-May) and water temperature (travel distances were more important when water temperature ranged between 10 degrees C and 14 degrees C). Roach sometimes cleared physical obstacles. The mean distances travelled in each river were relatively short (max. 2.5 km) and mainly influenced by the length of the study reach, which was delimited by physical barriers.
http://hdl.handle.net/2268/5846

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