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

Published by:
Natural Resources Wales
Last updated:
14 October 2025
Topic:
Not added
Licence:
None

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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Link to the data Format File added Data preview
Data Download N/A 14 October 2025 Not available

Additional information

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Added to data.gov.uk
2025-02-03
Access contraints
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.
Harvest GUID
NRW_DS124164
Extent
Latitude: 52.15° to °
Longitude: -5.40° to -4.65°
Spatial reference system
Dataset reference date
2019-10-28 (publication)
Frequency of update
notPlanned
Responsible party
Natural Resources Wales (NRW) (owner, custodian, originator, distributor); Zoological Society London (ZSL) (owner, custodian); Various including volunteer recorders (originator)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
HTML

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