The potential reintroduction of Dicranum Undulatum to Cors Fochno: an assessment of future climate suitability

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

Summary

Dicranum undulatum is categorised as ‘Endangered’ on the Red Data List for Wales, and is considered to be of principal importance for conservation under Section 7 of The Environment (Wales) Act 2016. Due to the widespread loss and degradation of peatlands, it has undergone a large decline in Britain, and the only surviving population in Wales occurs in Denbighshire, on Whixall and Bettisfield Mosses. The species was known from Cors Fochno, where it was last seen in 1967. Reasons for the extinction are uncertain, but former fires may be partly to blame. Following significant efforts to improve the habitat condition of the bog, including the elimination of fires and large-scale hydrological restoration, a recent assessment concluded that parts of the site appear to contain favourable habitat for D. undulatum and that reintroduction may be a possibility. The aim of this study is to investigate whether a suitable macroclimate for the species is likely to occur at Cors Fochno in the medium-term.

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Added to data.gov.uk
2025-07-03
Access contraints
Access restrictions on this data have not been determined. It may contain sensitive information and therefore may be restricted under legislation. NRW may provide access to this dataset on request, however NRW may not release, publish or disseminate the data or derived products freely without further assessment
Harvest GUID
NRW_DS161364
Extent
Latitude: 52.5609° to °
Longitude: -4.0677° to -3.9202°
Spatial reference system
Dataset reference date
2025-06-24 (creation)
Frequency of update
notPlanned
Responsible party
Natural Resources Wales (NRW) (owner, custodian, distributor); Bryophyte Surveys Ltd (originator)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
HTML

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