the parameters that are described in the inventories can however probably be used to identify degradationrestoration needs at least roughly for seminatural grasslands a national inventory was carried out in angs och betesmarksinventeringen it describes the status of the studied grasslands including overgrowth nitrification or negative disturbance and has a special category for grasslands that need restoration for wetlands the national wetland inventory vatmarksinventeringen covers some parameters that can be related to restoration needs such as the presence of drainage and overgrowth