A complex of semi-natural deciduous forests, dominated by Quercus, Tilia and Carpinus with many caves, conifer forests and large open areas. Open areas comprise dry grassland, Calluna heaths and bare areas. Water-filled depressions and damp areas enrich the site. It is a military training area.
The site is important for species characteristic of heathlands. Species of global conservation concern that do not meet IBA criteria: Crex crex (passage).
BirdLife International (2020) Important Bird Areas factsheet: Hudewälder northeast of Haldensleben. Downloaded from http://www.birdlife.org on 14/08/2020.