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The site is designated as an SSSI for its species-rich neutral grassland, rare now in Great
Britain with 97% of such land lost through agricultural improvements since 1930. Such fields provide habitat for up to 30 distinct species of plant per square metre, in contrast with the 1 or 2 species per
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A range of other habitats on the site, including acid grassland, scrub, semi-natural broadleaved woodland, hedgerows, individual trees, earthbank field boundaries, streams, ditches and rock outcrops support a broad range of fauna.
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Gweunydd Glan-y-glasnant SSSI is a set of unimproved cattle-grazed pasture and hay meadows, extending to 12.5 hectares (31 acres), on varying thicknesses of glacial till overlaying
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347:"Site of Special Scientific Interest, Carmarthenshire, Gweunydd Glan-y-glasnant"
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Sites of
Special Scientific Interest in Carmarthen & Dinefwr
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square metre on improved grassland fields. The site varies from
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List of Sites of
Special Scientific Interest in Carmarthenshire
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Species common on the neutral grasslands include common bent (
367:"Your Special Site and its Future - Gweunydd Glan-y-glasnant"
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318:"MAGIC Map Application - Gweunydd Glan-y-glasnant"
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16:Site of Special Scientific Interest in Wales
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184:and 0.6 miles (0.97 km) east of
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28:Site of Special Scientific Interest
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400:Your Special Site and its Future
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263:) and the adder's-tongue fern (
54:Location within Carmarthenshire
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429:National Biodiversity Network
200:to damper acidic grassland.
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372:. Natural Resources Wales.
352:. Natural Resources Wales.
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146:Gweunydd Glan-y-glasnant
129:12.5 hectares (31 acres)
22:Gweunydd Glan-y-glasnant
388:Natural Resources Wales
275:) and meadow thistle (
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386:SSSI information from
110:51.784068°N 4.095592°W
266:Ophioglossum vulgatum
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212:Anthoxanthum odoratum
260:Dactylorhiza fuchsii
248:Achillea millefolium
221:), common knapweed (
115:51.784068; -4.095592
206:Agrostis capillaris
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242:Lathyrus pratensis
230:Lotus corniculatus
411:SSSI Citation map
278:Cirsium dissectum
254:Prunella vulgaris
236:Potentilla erecta
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451:Meadows in Wales
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272:Molinia caerulea
198:mesotrophic soil
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224:Centaurea nigra
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135:Notification
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182:Cross Hands
178:River Gwili
172:and shaley
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88:Coordinates
440:Categories
301:References
160:features.
152:(SSSI) in
98:51°47′03″N
416:MAGIC map
218:Trifolium
174:sandstone
158:botanical
101:4°05′44″W
289:See also
196:neutral
80:SN555116
64:Location
407:Maps:
186:Tumble
420:DEFRA
370:(PDF)
350:(PDF)
326:DEFRA
148:is a
164:SSSI
139:1993
126:Area
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442::
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358:^
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194:pH
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