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Wigpool () is a nature reserve in Gloucestershire in the Forest of Dean.〔'Wigpool Nature Reserve Management Brief, February 2010, Forestry Commission and Gloucestershire Wildlife Trust〕〔 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' - separate reserve entries for 'Wigpool' and 'Pit House Pond and Bog'〕 The site is managed jointly by the Gloucestershire Wildlife Trust and the Forestry Commission by agreement with the Forestry Commission. Originally the Trust held two separate nature reserves under lease from the Commission. The revised agreement for a single reserve, called Wigpool, operates from 2009,〔 but involvement with the two separate areas goes back to 1967/68. There was a formal agreement for Pit House Pond and Bog in 1978.〔 The site (both original parts) is listed in the 'Forest of Dean Local Plan Review' as a Key Wildlife Site (KWS).〔(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 )〕 ==Location and site== The reserve is within a large conifer plantation and about one mile north-west of Mitcheldean. These are the remnants of the acidic bog and heathland which used to cover most of Wigpool Common, and records have been traced back to the late 13th century. It has been an open area until relatively recently. The reserve now includes two pools, the larger one being the original Wigpool and the smaller pond being Pit House pond. Felling of the conifer has contributed to a heathland restoration programme and has resulted in a reserve of a much increased area.〔 The Common lies on a high plateau and the bigger pool is in a depression. The Coal Measures at this point are overlain by glacial head, which is a silty, clay substance. This produces an acidic, peaty soil.〔 This is an area which cannot be fenced in as it is bound by Commoners Rights in the statutory Forest of Dean.〔 The big pool was drained during the conifer planting in the mid 1950s, and work was done by volunteers to assist its re-establishment in 1970. This was carried out by damming drainage ditches. The smaller pond was dug in about 1840. It was created for Wigpool Iron Mine No.1. That mine became disused in 1893.〔 There is a bund on the east of the north-south public road. This was created by scraping off topsoil.〔 The reserve is close to two other Trust reserves being Plump Hill Dolomite Quarry (to the south) and Hobbs Quarry (to the east). The latter is a Site of Special Scientific Interest. Wigpool Ironstone Mine, which is also a Site of Special Scientific Interest, is on its eastern boundary.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Wigpool」の詳細全文を読む スポンサード リンク
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