The assessment of the bioindicator value of some rheophilic elements of the river Someş/Szamos lotic system

The analysis of the benthic communities characteristic of the Some? lotic system according to the main taxa (Ephemeroptera, Plecoptera, Trichoptera and fishes) carried out at 27 sampling sites in 1992 and 1996. The carrying capacity of the river was assessed and some lists of bioindicators specific for this catchment area were proposed