This project contains NPWS GIS files relevant to the distribution of Freshwater Pearl Mussel (Margaritifera margaritifera) and Nore Freshwater Pearl Mussel (Margaritifera durrovensis) in Ireland. Both species are listed in Annex II and Annex V of the EU Habitats Directive.
The information is stored in an ESRI Shapefile showing sensitive areas, based on sub-catchments with present or historical occurrences of Margaritifera.
The current revision of this dataset was published 10/08/17.