Site of special scientific interest citation




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CYNGOR CEFN GWLAD CYMRU

COUNTRYSIDE COUNCIL FOR WALES

SITE OF SPECIAL SCIENTIFIC INTEREST CITATION




VALE OF GLAMORGAN CLEMENSTONE MEADOWS, WICK



Date of Notification: 1972, 1982, 1990
National Grid reference: SS 920739
O.S. Maps: 1:50,000 Sheet number: 170

1:25,000 Sheet number: SS 97


Site Area: 4.9 ha
Description:
These two meadows are situated one mile to the north of the village of Wick and lie on either side of the Clemenstone Brook, a tributary of the River Alun. They occupy a shallow valley within which the Liassic limestone of the coastal plateau is overlain by alluvium, giving rise to soils of a different character to those of the surrounding area.

The meadows are an example of relatively unimproved species rich grassland of a type which is now very rare in the county. They differ in character from both the dry calcareous grassland of the coastal limestone and from the meadows of the Mid Glamorgan Valleys on more peaty soils. They have traditionally been managed by a regime of seasonal mowing and grazing.



There is an interesting zonation of plant communities within the site where Molinia caerulea - Cirsium dissectum fen meadow is found in the wetter areas, grading to Centaurea nigra - Cynosurus cristatus grassland on drier ground.

The fen meadow is characterised by meadow thistle Cirsium dissectum and purple moor grass Molinia caerulea although the latter is not abundant here. Other species present in this community are meadowsweet Filipendula ulmaria, saw wort Serratula tinctoria and devil's bit scaboious Succisa pratensis. The Centaurea-Cynosurus grassland is distinguished by common knapweed and crested dog's tail with a variety of other species which here include quaking grass Briza media, cowslip Primula veris and betony Stachys officinalis. A number of plant species including pepper saxifrage Silaum silaus are common to both communities.


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