Margaritifera sensitive areas
收藏data.europa2024-06-26 收录
官方服务:
资源简介:
This polygon file contains river Catchments in which live pearl Mussels have been recorded. The catchment limits are based on sub-basin boundaries from the EPA Water Framework Directive geodatabase (filename: EPA_WFD_v3.mdb), and Catchments are divided up into three categories: 1. Catchments of SAC populations listed in S.I. 296 of 2009 2. Catchments of other extant populations 3. Catchments with previous records of Margaritifera, but current status unknown



