Foxes Bridge Bog

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Foxes Bridge Bog
Marsh Violet 218519527972.jpg
Example - marsh violet in moss (Viola palustris)
Gloucestershire UK location map.svg
Red pog.svg
shown within Gloucestershire
Foxes Bridge Bog
TypeGloucestershire Wildlife Trust nature reserve
LocationForest of Dean, near Speech House
Coordinates 51°48′37.28″N2°32′14.5″W / 51.8103556°N 2.537361°W / 51.8103556; -2.537361 Coordinates: 51°48′37.28″N2°32′14.5″W / 51.8103556°N 2.537361°W / 51.8103556; -2.537361
Area13 acres (5.3 ha)
Created1977
Operated byGloucestershire Wildlife Trust Forestry Commission
StatusOpen all year

Foxes Bridge Bog (grid reference SO630125 ) is a 5.3-hectare (13-acre) nature reserve in Gloucestershire. [1] The site is owned by the Forestry Commission and is managed by the Gloucestershire Wildlife Trust in partnership with the Forestry Commission. [1] The site is listed in the 'Forest of Dean Local Plan Review' as a Key Wildlife Site (KWS). [2]

Contents

Location and habitat

The bog lies in the heart of the Forest of Dean, and is separated from the Woorgreens Lake and Marsh nature reserve by the B4226. The site has been a nature reserve since 1977, and represents the remains of an ancient acid bog which historically covered this area. This is one of the rarest habitats in the county. It is in the Coal Measures (in a depression), is on alluvium and fed by a stream from the north. The water levels are controlled by sluice, and are linked to the Woorgreens Lake and Marsh reserve. [1]

The reserve is a significant example of a sphagnum bog and also supports a wide range of lichens. These grow on the trees and exposed rocks. This is a sheltered site though open in aspect. [1]

History

The oak woodland which surrounds the bog was planted c. 1860. There were two attempts to sink two mining pits in the 1830s and to construct an embankment to the west. This did not come to fruition and was part of a plan to construct a railway which also failed. There was a threat in 1978 from a proposed Woorgreens open-cast mine proposal which was averted. This would have affected the water supply. The outcome was the control system now operating for the water levels between the two reserves. There is a drainage channel running through the centre of Foxes Bridge Bog. [1]

Flora

There is a diverse range of bog and marshland plants recorded. These include marsh St John's-wort which is the only known occurrence in Gloucestershire. Species such as marsh violet, slender tufted-sedge, common cotton-grass and marsh pennywort flourish. Other species such as lesser spearwort, cuckooflower and ragged robin are present. [1]

Historical recordings for the site include bog pimpernel and two types of sundew. [1]

There are old silver birch, alder and willow towards the south of the bog. [1]

Invertebrates

The presence of marsh violets makes the bog an ideal supportive habitat for the uncommon small pearl-bordered fritillary. Dragonflies are in abundance similar to the adjacent Woorgreens Lake and Marsh reserve. Records include broad-bodied chaser and the large red damselfly. [1]

Fauna

Fallow deer are known to use the site and the area is grazed by the forest sheep. [1]

Conservation

This is an area which is managed to control encroaching species to conserve and to increase the bog flora. [1]

Walks

There are two publications which detail walks, and places to visit, for recreation, and for observing particular wildlife in this part of the Forest of Dean. These are Where to see Wildlife in the Forest of Dean and Heart of the Forest Wildlife Walk. [3] [4]

Publications

Related Research Articles

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References

  1. 1 2 3 4 5 6 7 8 9 10 11 Kelham, A, Sanderson, J, Doe, J, Edgeley-Smith, M, et al., 1979, 1990, 2002 editions, 'Nature Reserves of the Gloucestershire Trust for Nature Conservation/Gloucestershire Wildlife Trust'
  2. ↑ Forest of Dean District Local Plan Review, adopted November 2005, Appendix D 'Nature Conservation Site Designations Within the Forest of Dean District', Key Wildlife Sites Archived October 29, 2013, at the Wayback Machine
  3. ↑ 'Where to see Wildlife in the Forest of Dean', January 2012, Gloucestershire Wildlife Trust
  4. ↑ 'Heart of the Forest Wildlife Walk', March 2012, Gloucestershire Wildlife Trust
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