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Curran Bog ASSI

Last updated: 5 February 2010

picture of Curran Bog ASSI

Site No ASSI 074
Area 183.3 (ha)
Declared Date 22/01/1997
Confirmed Date 20/08/1997
County Londonderry
Council(s Magherafelt DC
Keywords Raised Bog

Curran Bog occurs in the flood-plain of the Moyola River. Despite extensive turf-cutting around its edge, the remaining intact surface retains a high cover of Sphagnum bog-mosses (indicating active peat growth) and well-developed surface patterning (i.e. pool, hummock and hollow complexes).
picture of bogbean plant in flowerThe pool system is a particularly important feature, as these are generally very rare in Northern Ireland lowland raised bogs. The pools vary in shape and size, but are generally linear with a carpet of aquatic Sphagnum bog-mosses, particularly Sphagnum cuspidatum, with lesser amounts of Sphagnum auriculatum and scattered bogbean.
Notable species include great sundew, Sphagnum pulchrum, Sphagnum imbricatum and Sphagnum fuscum.
The cutover area is extensive and has a range of secondary vegetation types, which support a variety of plant and animal communities.picture of great sundew plant The old peat-cuttings around the edge of the intact surface are in differing stages of infilling and show habitat succession after cutting, with areas of scrub, open water pools, regenerating bog vegetation, acid fen and even base-rich swamp and fen. Curran Bog is also important for invertebrates. There are large numbers of recently-created acid pools, which show few signs of enrichment and support an aquatic fauna typical of acid and base-poor waters. The recorded fauna includes seven species of dragonfly, eight aquatic Heteroptera (true bugs) and twenty-three species of water beetle.

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