Bedarf as eine BLAK QZ-Konzeptes [1] Qualitätsziele für Oberflächengewässer ? : Fallbeispiel Niederrhein

The BLACK concept lays down quality objectives for surface waters in the form of substance-related orientation values, with reference to various protection categories such as Aquatic communities, Fisheries and anling and Suspended solids and sediments. In terms of the lower Rhine, however, there are indications that the current apparatus for water management already guarantees the establishment of a sensitive aquatic biocoenosis (macrozoobenthic community, fish)