The tenderer shall, within pre-defined areas, implement an all-covering mapping of nature types. The mapping of the selected areas shall be implemented as an area covered mapping in accordance with NiN version 2.0, and the mapping shall be carried out in accordance with the Norwegian Biodiversity Information Centre' instruction manual regarding mapping of terrestrial nature variations in accordance with NiN (Nature in Norway)(see artsdatabanken.no.). See also detailed information on this in annex B; work scope.