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Eighteen years of capture-mark-recapture (CMR) data of grey seal pups, Halichoerus grypus, from Pembrokeshire, Wales

Publisher
Natural Resources Wales
Updated
16 September 2026
Topic
Not set
Licence
Not set

Summary

Eighteen years (1954-1972) of capture-mark-recapture data of 245 grey seal pups marked with identification tags in Wales. The data was obtained from paper files held by NRW and supplied originally West Wales Field Society and includes information on the location and number of animals marked in each year including sex and age estimations.

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Data links

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Additional information

Source Metadata
XML, HTML
Date added
03 March 2026
Harvest GUID
NRW_DS124164
Extent (Latitude)
52.15° to 51.55°
Extent (Longitude)
-5.40° to -4.65°
Dataset reference date (publication)
2019-10-28
Frequency of update
notPlanned
Access constraints
This data is comprised of a mixture of third party owned records and NRW records. NRW policy permits access to and release of this data under the same terms as its own data. There are no access restrictions on this data. NRW may release, publish or disseminate it freely.
Responsible party
Natural Resources Wales (NRW) (owner, custodian, originator, distributor); Zoological Society London (ZSL) (owner, custodian)
ISO 19139 resource type
dataset
Metadata language
eng

Contact

Enquiries

enquiries@naturalresourceswales.gov.uk

Freedom of information (FOI) requests

accesstoinformationteam@naturalresourceswales.gov.uk

Freedom of Information (FOI) requests

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