NDFF Botanical Monitoring in Provence of Overijssel
收藏官方服务：
资源简介：
Standard species mapping started in Overijssel in 1984. Up to 1989, observers walked through a square kilometre plot and reported on the exact locations of key species. Only after 1989, the mapping project was extensively standardised with the Provincial Botanical Monitoring Program. Dataset available via https://www.ndff.nl/english / serviceteamndff@natuurloket.nl Positive observations without zeros. 741,456 records (March 2018) https://www.ndff.nl/overdendff/validatie/protocollen/12-207-florakartering-provincie-overijssel/
创建时间：
2018-03-26
