Definition, Betydelse, Synonymer & Anagram | Engelska ordet FEN

Definition av FEN

1. (naturgeografi) träsk, kärr

Exempel på hur du använder FEN i en mening

• Work carried out at the former British Gypsum site in Church Manorway by the Museum of London Archaeological Service shows that the area was covered by a dense forest of oak, yew and alder in the Neolithic Period, which by the Bronze Age had given way in part to sedge fen.
• Pollardstown Fen is the largest remaining calcareous fen in Ireland, covering an area of 220 hectares and is recognised as an internationally important fen ecosystem with unique and endangered plant communities, and was declared a National Nature Reserve in 1986.
• This reserve is composed of two shallow broads divided by the River Thurne, together with fen, reedbeds and marshes.
• It is the largest remaining area of river valley fen in England and consists of a number of different fen types, including saw-sedge beds, as well as having areas of open water, heathland, scrub and woodland.
• As peat accumulates in a fen, groundwater input can be reduced or cut off, making the fen ombrotrophic rather than minerotrophic.
• Higher up there are layers of fen peat and sphagnum peat, of which the latter also contains traces of Scorpidium and Eriophorum.
• There are heathland plants such as sheep's sorrel, tormentil, harebell, ling and heath bedstraw, while wet areas have fen vegetation including water mint and yellow iris.
• Much of Bourne's 19th-century affluence came from the corn-trade boom that followed the mechanisation of fen drainage.
• Opponents of the "Village" state that the development would likely harm a vital wildlife corridor between the Weminuche and South San Juan Wilderness areas, alter backcountry experiences on Wolf Creek Pass, compete with local businesses in nearby Pagosa Springs and South Fork, adversely affect rare fen wetlands, and stress water supplies in the Rio Grande watershed.

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