jj-de-leeuw documents

Aiming at a moving target, a slow hand fails! 75 years of fisheries management in Lake IJsselmeer (the Netherlands)
Documents Aiming at a moving target, a slow hand fails! 75 years of fisheries management in Lake IJsselmeer (the Netherlands)
Sea growth of anadromous brown trout (Salmo trutta)
Documents Sea growth of anadromous brown trout (Salmo trutta)