[The fish stock of lakes from prehistoric times [planktivorous, palaeo-environment]]

alluvion alluvium ambiente de aguas interiores biologia biologie biology biomasa biomass biomasse danemark denmark dinamarca dynamique des populations fishes freshwater ecology histoire historia history inland water environment lac lagos lakes milieu des eaux continentales palaeontology paleontologia paleontologie peces plancton plankton poisson (animal) population dynamics