The NNR contains an important example of a type of pasture known as Culm grassland. This is a marshy, heathy vegetation that occurs over the slates and shales of the Culm Measures across north western Devon. Main habitats: lowland grassland Area: 57 hectares Management: Dunsdon is owned and managed by the Devon Wildlife Trust. Features of interest Further information about the NNR, its wildlife and how to visit can be found on the Devon Wildlife Trust website. Contact Devon Wildlife Trust Email: contactus@devonwildlifetrust.org