IRELAND · SPECIES · FRESHWATER
Pearl Mussel Sensitive Areas
What this layer shows
Catchments sensitive for freshwater pearl mussel (Margaritifera): a critically endangered species that triggers strict water-quality requirements for works.
Publisher and licence
NPWS / Government of Ireland · CC BY 4.0
© NPWS / Government of Ireland, CC BY 4.0
Where the data comes from
ARCGIS · services-eu1.arcgis.com
Merestone asks this service live for the area on screen. Nothing is copied or stored beyond a short cache.
Facts shown for each feature
Category
In these presets
Habitats
Ireland's habitat evidence base: ancient & long-established woodland, the National Survey of Native Woodlands, the Irish Semi-natural Grasslands Survey, coastal lagoons and freshwater pearl mussel sensitive catchments: with SACs for statutory context. Survey layers are classified to Fossitt, the scheme Irish habitat reports are written in.
Angling & water
Salmonid waters, water-body status, the catchments feeding them, and which agricultural pressure each sub-basin needs work on. Ireland runs a WHOLE-TERRITORY Nitrates Action Programme (S.I. 113/2022), so there are no NVZ lines to look for: the sub-basin flags are the risk differentiation other countries get from zone boundaries.