Dataset Details - Crayfish of Ireland
Compiled Dataset with records of Crayfish (Austropotamobius pallipes) observations for Ireland, from various sources and surveys.
28/06/2011
13/06/2025
EPA data collected as part of water quality monitoring. NPWS and CFB data collected for population size, distribution, range and site monitoring, and for national reporting purposes.
Field observation and sample collections for EPA, NPWS and CFB monitoring surveys.
National
1971 - ongoing
Surveys carried out, and data collected by qualified and experienced scientists. Data is of a high quality.
Data collation is ongoing annually.
Demers A., Lucey, J., McGarrigle, M.L., Reynolds, J.D. 2005. The distribution of the white-clawed crayfish Austropotamobius pallipes in Ireland. Biology & Environment, Proc. Roy Ir. Acad. 105B: 65-69.; Reynolds, J.D. 2007. Crayfish (Austropotamobius pallipes) Conservation Status Assessment. National Parks and Wildlife Service. Department of Environment Heritage and Local Government. Dublin; NPWS, Irish Wildife Manuals - 1 & 37; http://www.epa.ie/metadataxml/
Restricted (Data can be viewed on the mapping system but is not available for download)
National Parks & Wildlife Service, Department of Housing, Local Government and Heritage, Crayfish of Ireland, National Biodiversity Data Centre, Ireland, accessed 04 November 2025, <https://maps.biodiversityireland.ie/Dataset/32>
Dataset species distribution
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of species recorded within each 10km grid square (ITM).Marine Map - 50Km
Marine Map - 50Km
Distribution of the number of species recorded within each 50km grid square (WGS84).Dataset record distribution
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records within each 10km grid square (ITM).Marine Map - 50Km
Marine Map - 50Km
Distribution of the number of records within each 50km grid square (WGS84).Dataset Contacts
Deirdre Lynn
NPWS, 7 Ely Place, Dublin 2, Ireland.
+353-1-8883293
Records per year
Species per year
Date Statistics
| Resolution | No. records |
|---|---|
| Day | 167 |
| Year | 91 |
| Year Range | 1 |
1984
2007
Record Statistics
259
84
1
6
| Resolution | No. records |
|---|---|
| 100m | 258 |
| 1km | 1 |
| 2km | 0 |
| 10km | 0 |
| 50km | 0 |
Surveys
| SurveyId | Title | Data Capture Period | Species | Records |
|---|---|---|---|---|
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Dataset Attributes
| Attribute | Description |
|---|---|
| Common name | The common name of the taxon |
| Record type | Record type |
| Survey name | Name of survey if the record was made as part of a specific survey (including collections of casual observations and other loose assemblages of data) |
Recorded Species
| TaxonId | PrefnameTaxonId | Name | Authority | Group | Rank | Records |
|---|---|---|---|---|---|---|
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