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| Biosphere Reserve Information | ||||
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BIOSFFER DYFI |
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| General Description |
Situated at the coast of south-central Wales in the estuary of the Dyfi River, this biosphere reserve is representative of salt marshes and estuarine systems in the west of the United Kingdom. The estuary forms one of the most important wildfowl and shorebird centers in Wales and also comprises a Ramsar site. Cors Fochno has a large expanse of primary raised mire and contains a high number of invertebrate species, including some of national and international importance. Upstream along the Dyfi Valley are remnants of native oak woodland. The estuarine marshes and surrounding land have traditionally been used by farmers to graze horses, cattle and sheep, and recent efforts have been directed at maintaining the traditional Welsh Black breed. Grazing of the saltmarshes is encouraged to maintain suitable conditions for wintering wildfowl. Recently a small herd of Welsh mountain ponies has been introduced to assist rehabilitation of mire-wet grassland habitats. The heavy recreational use of the Ynyslas dunes has led to an intensive and long-standing visitor management scheme incorporating interpretive displays and programmes, wardening, boardwalks and vehicle controls. There is a long history of research and monitoring in the area, including vegetation and hydrological analysis, ornithological and tourism impacts research, and invertebrate monitoring. The national nature reserve is visited by about 8,000 students every year. Proposals made in the periodic review for extending this reserve to meet the Seville criteria are being considered. |
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| Major ecosystem type | Temperate broadleaf forests or woodlands including marshlands | |||
| Major habitats & land cover types | Marshes, mudflats, dunes, sandbanks and raised bog | |||
| Location | 52°32'N; 04°00'W | |||
| Area (hectares) | ||||
| Total | 1,589 | |||
| Core area(s) | ||||
| Buffer zone(s) | ||||
| Transition area(s) when given | ||||
| Altitude (metres above sea level) | 0 to +15 | |||
| Year designated | 1976 | |||
| Administrative authorities | Countryside Council for Wales | |||
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| Brief description |
Structure and function of raised bog and bar-built estuary Effects of natural and human influences on raised mire ecosystem Estuarine biology Monitoring of key habitats, species and abiotic features/factors |
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| Specific variables... | ||||
| Abiotic | Abiotic factors, habitat, monitoring/methodologies. | |||
| Biodiversity | Biology, coastal/marine, ecosystem functioning/ecosystem structure, methodologies. | |||
| Socio-economic | n.a. | |||
| Integrated monitoring | Impact and risk studies/Environmental impact. | |||
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| Contact address |
Michael Bailey Site Manager, Dyfi National Nature Reserve CCW, Plas Gogerddan, Aberystwyth SY23 3EE Ceredigion United Kingdom |
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| Telephone | (44.01970) 872900 | |||
| Fax | (44.01970) 828314 | |||
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m.bailey@ccw.gov.uk |
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| Contact address |
Ricahrds Delyth Dyfi Biosphere Reserve Ty Bro Ddyfi 52 Heol Maengwyn SY20 8DT Machynlleth United Kingdom |
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| Telephone | (44.01970) 871640 | |||
| Fax | (44.01970) 828314 | |||
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Delyth.Richards@ecodyfi.org.uk |
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| Last updated: 3/2/2007 |
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