Dataset Details - Seaweeds of Ireland
Marine algae, marine macroalgae, seaweeds currently referred to the phyla Rhodophyta and Chlorophyta and the class Phaeophyceae
28/06/2011
13/03/2024
To provide scientists and the general public with a distribution map of algal species and encourage future recording.
Records were submitted by a range of volunteers and professionals, and from the herbarium of Michael Guiry, including specimens mainly collected by Michael Guiry, Christine Maggs, Hilda M. Parkes (deceased), and Máirín De Valéra (deceased) currently held at the National Botanic Garden Glasnevin (DBN).
The island of Ireland.
1831 to 2001
Most records are supported by herbarium specimens (DBN). Records may not exist for some species while others may be under-recorded.
The dataset is currently not being updated
The dataset was employed in the publication of Hardy, F.D. & Guiry, M.D (2003) A Check-list and Atlas of the Seaweeds of Britain and Ireland. London: British Phycological Society
Restricted (Data can be viewed on the mapping system but is not available for download)
The British Phycological Society, Seaweeds of Ireland, National Biodiversity Data Centre, Ireland, accessed 28 March 2024, <https://maps.biodiversityireland.ie/Dataset/45>
Dataset species distribution

Terrestrial Map - 10km

Distribution of the number of species recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50Km

Distribution of the number of species recorded within each 50km grid square (WGS84).
Live Map
Dataset record distribution

Terrestrial Map - 10km

Distribution of the number of records within each 10km grid square (ITM).
Live Map

Marine Map - 50Km

Distribution of the number of records within each 50km grid square (WGS84).
Live Map
Dataset Contacts
Professor Michael D. R. Guiry
Ryan Institute, University of Galway
+ 353 91 49 2339
Records per year
Species per year
Date Statistics
Resolution No. records
Day 43059
Year 6172
Month 552
Unknown 29
1831
2001
Record Statistics

49812

1614

521

0

Resolution No. records
100m 31974
1km 12028
2km 0
10km 5810
50km 0
Dataset Attributes
Attribute Description
Source Original source of data
Vice-county The name of the Watsonian (botanical) vice-county within which the record was made
Recorded Species
TaxonId PrefnameTaxonId Name Authority Group Rank Records
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