International Workshop on the Restoration of Fish Populations, Date: SEP 01-04, 2009, Location: Dusseldorf, GERMANY, Sponsors: State Agcy Nat Environm & Consumer Protect N Rhine-Westphalia, IUCN Specialist Grp Freshwater Fish-Wetlands Int, AOUA Zoo, Wasserlauf, Life-Malfresh Grand, Life, Natura, WSCS, DFG, Bezirksregierung Dusseldort, Saimond Specialist Grp, SSC, FFSG, RSG, Cemagref, Region AQUITAINE, MIGADO, Sportvisserij Nederland, RFG, HESSEN, HIT