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Artikkelit jotka sisältää sanan 'peat utilization'

André-Jean Francez, Jean-Jacques Bignon, Anne-Marie Mollet. Ranskan suot ja niiden käyttö.

English title: The peatlands in France: localization, characteristics, use and conservation.

Avainsanat: agriculture; bog; peat utilization; fen

Tiivistelmä | Näytä lisätiedot | Artikkeli PDF-muodossa | Tekijät

We find in France two main peatlands-types: topogenous Carex-fens, in the north and east of the country, and ombrogenous Sphagnum-bogs, in the medium montanes. In total, there are about 100 000 ha peatlands which correspond to a volume of 2 x 109 m3. The amount of extracted peat in France was, in the eighties, 200 000 t (dry matter). Peat is essentially used as fuel or, mixed with German or Soviet peat, as soilless substrates. The fens of the floodplains have long been used for market gardening (tradition of 'hortillonnages' in Amiens or Bourges). Two national surveys were made during energy crises, during the Second World War and at the end of the 1970s following the oil shortage. The law of July 1976 on the preservation of the countryside lists 19 peatlands plant species that are nationally protected. Ten peatlands have been classified as nature reserves and two projects are in preparation. Keywords: agriculture, bog, fen, peat utilization

Francez, C.ER.E.M.CA., rue du Tisserand, Rouil-las-Bas, F-63 970 Aydat, France Sähköposti: ei.tietoa@nn.oo
Bignon, Sähköposti: ei.tietoa@nn.oo
Mollet, Sähköposti: ei.tietoa@nn.oo

Jeff Rengo. Soiden kaytöstä Minnesotassa (USA).

English title: The utilization of peatlands in Minnesota (USA).

Avainsanat: peatland utilization; Minnesota; peat utilization

Tiivistelmä | Näytä lisätiedot | Artikkeli PDF-muodossa | Tekijä

Minnesota's peatland resources are described, and their historical, current, and prospective uses are reviewed. Minnesota has a large peat resource that has not been intensively utilized. The state government actively encourages both the industrial development of peatlands and the preservation of significant natural peatlands. Future peatland utilization in Minnesota will probably not be monopolized by a single use, for example, traditional fuel peat production. Key words: Minnesota, peatland utilization, peat utilization.

Rengo, Center for Environmental Studies, Bemidji State University, Bemidji, Minnesota 55601, USA: and Department of Botany, University of Turku, SF-20500 Turku, Finland Sähköposti: ei.tietoa@nn.oo

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