Aquatic Oligochaeta of the Netherlands and Belgium: Identification Key to the Oligochaetes

The first reference work on the freshwater and brackish water polychaetes in the Netherlands, Belgium and Germany. It offers a wealth of ecological and taxonomic background information. Includes a new user determination key. The key is based on characteristics that are relatively easy to distinguish, without specialized equipment. A unique tool for aquatic ecologists and water quality management.