Ecologische karakterisering van de Limburgse Maasplassen op grond van fysische en chemische variabelen en fytoplankton = Ecological Characterisation of gravel pits adjacent to the River Meuse in the Netherlands on the basis of physical and chemical variab

Ecologische karakterisering van de Limburgse Maasplassen op grond van fysische en chemische variabelen en fytoplankton = Ecological Characterisation of gravel pits adjacent to the River Meuse in the Netherlands on the basis of physical and chemical variab