The site is part of the Bremer wet-grassland belt (Bremer Wesermarsch) comprising agricultural meadows and pasture traversed by ditches. The Dunger See is the largest water-body in the area.
This site is also important for breeding species of wet grassland. Species of global conservation concern that do not meet IBA criteria: Crex crex (breeding).
BirdLife International (2020) Important Bird Areas factsheet: Werderland. Downloaded from http://www.birdlife.org on 25/02/2020.