Characteristic parameters for vegetation density description in river beds

Estimation of the degradation of the middle Odra river bed and programme of the restoration works

Analysis of the flow resistance in zones with flexible vegetation

Water as a source of survival and spread of Phytophthora species

Influence of water sources on frequency of Phytophthora occurrence

Configuration changes of arable land in the plots into rivers

AN EFFECT OF REGULATORY WORKS RANGE ON ECOLOGICAL CHANGES IN WATERCOURSE BED