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History

Location and Background.Holtspur Valley, two miles west of Beaconsfield and three miles east of High Wycombe (all in Buckinghamshire), is a small dry valley running from Penn down to the valley of the river Wye at Loudwater.  The London to Birmingham railway line runs across the valley and an equestrian centre is situated in the lowest part. The sides of the valley are mainly chalk with the Beaconsfield gravel plateau on the highest levels.  The resultant chalk soils are thin, alkaline, poor in nutrients and dry. When the original woodlands were cleared and the land used for grazing, many plants flourished, which in richer soils would have been overwhelmed by stronger growing plants  The habitat which developed on both sides of the valley is renowned for its rich flora and fauna.

 Context of the reserve

Although Holtspur Bank is relatively small in area for a nature reserve, it is adjacent to large areas of open pasture with hedgerows and fully developed trees; close to areas of mature woodland; open green space; and close to a large area of gardens with well established trees, shrubs and diverse habitat. About 50 species of birds (more than recorded on the reserve), including red kite and buzzard at both places and 74 species of wildflower (much less than the reserve), including bee orchid and Chiltern gentians have been recorded on the verges and in gardens and open spaces nearby. Fox, badger, muntjac deer, roe deer, weasel, bank vole, common shrew and wood mice have all been sighted in adjacent gardens and fields but not yet recorded on the reserve. As have the frog, the toad and common newt. To a degree this results from continual observation in gardens, woods and open spaces and only intermittent surveying of the reserve. However, the overall species diversity of the reserve and the neighbouring land serves to demonstrate that the Holtspur Bank reserve is an important refuge for wildlife and forms a continuum with that adjacent land, maintaining the local biodiversity. Consequently, it may be that the value of this reserve is greater than its small size would at first sight suggest.

 

Creation of a Local Nature Reserve

When the boundaries were drawn for the Chilterns Area of Outstanding Natural Beauty in the early 1990s, both Holtspur Bank, on the northern side of the valley and Holtspur Bottom, on the opposite side, were just outside of the area.  This fact was brought to the notice of Beaconsfield Town Council, which owns both sites, by the late Maurice Young, a very talented naturalist, and Howard Sledmere, the then chairman of BBONT (now BBOWT, Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust). It was thought wise to have the value of the site recognised in some way, although it was already protected by Green Belt status. Lack of grazing for many years had caused the chalk bank to scrub over, which in turn was leading to the disappearance of valuable flora and fauna. Therefore, management of the site to benefit the wildlife was urgent.

 In October 1993 approval was given by the Town Council for the production of a management plan which Maurice Young drew up. This detailed document was sent to South Bucks District Council and English Nature who gave it their support for designation as a Local Nature Reserve. SBDC went on to arrange the designation.


Opening of the reserve

It was officially opened by the Mayor Councillor Jo-Roundel Greene on 22nd September 1995. Subsequently the opposite side of the valley was leased from Beaconsfield Town Council by Butterfly Conservation to create a butterfly reserve which is known as Holtspur Bottom.

 In 2001 Buckinghamshire County Council classified the reserve as a Regionally Important Geological and Geomorphological Site (RIGS) and in 2002 as a County Wildlife Site. Holtspur Bank was described as a reserve set in a small, but distinctive, dry valley and a good site to illustrate the link between geology and soils, as well as a place where rare animals and plants live.

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