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U.S. Geological survey water- supply paper. Effects of land-use history on sedimentation in the Potamac estuary, Maryland: a water qualify study of the tidal Potomac river and estuary / Defries, R. S.
Titre de série : U.S. Geological survey water- supply paper Titre : Effects of land-use history on sedimentation in the Potamac estuary, Maryland: a water qualify study of the tidal Potomac river and estuary Type de document : texte imprimé Auteurs : Defries, R. S. Mention d'édition : United States Governement printing office Editeur : United States Governement printing office Année de publication : 1986 ISBN/ISSN/EAN : CI-00110 Note générale : Major changes in land use history of the lower Potomac drainage basin are refected in pollen assemblages preserve in 20 sediment cores from the Potomac Estuary. The proportion of ragweed in the pollen assemblage, an agricultural weed that grows in distrurbed areas, was very small before europen settlement, when soil distrurbance was minimal. Langues : Anglais (eng) Mots-clés : Estuaire Drainage Sedimentation Occupation du sol Qualité de l'eau Index. décimale : 631.6 Préparation des sols et drainage Résumé : Major changes in land use history of the lower Potomac drainage basin are refected in pollen assemblages preserve in 20 sediment cores from the Potomac Estuary. The proportion of ragweed in the pollen assemblage, an agricultural weed that grows in distrurbed areas, was very small before europen settlement, when soil distrurbance was minimal. Note de contenu : Major changes in land use history of the lower Potomac drainage basin are refected in pollen assemblages preserve in 20 sediment cores from the Potomac Estuary. The proportion of ragweed in the pollen assemblage, an agricultural weed that grows in distrurbed areas, was very small before europen settlement, when soil distrurbance was minimal. U.S. Geological survey water- supply paper. Effects of land-use history on sedimentation in the Potamac estuary, Maryland: a water qualify study of the tidal Potomac river and estuary [texte imprimé] / Defries, R. S. . - United States Governement printing office . - United States Governement printing office, 1986.
ISSN : CI-00110
Major changes in land use history of the lower Potomac drainage basin are refected in pollen assemblages preserve in 20 sediment cores from the Potomac Estuary. The proportion of ragweed in the pollen assemblage, an agricultural weed that grows in distrurbed areas, was very small before europen settlement, when soil distrurbance was minimal.
Langues : Anglais (eng)
Mots-clés : Estuaire Drainage Sedimentation Occupation du sol Qualité de l'eau Index. décimale : 631.6 Préparation des sols et drainage Résumé : Major changes in land use history of the lower Potomac drainage basin are refected in pollen assemblages preserve in 20 sediment cores from the Potomac Estuary. The proportion of ragweed in the pollen assemblage, an agricultural weed that grows in distrurbed areas, was very small before europen settlement, when soil distrurbance was minimal. Note de contenu : Major changes in land use history of the lower Potomac drainage basin are refected in pollen assemblages preserve in 20 sediment cores from the Potomac Estuary. The proportion of ragweed in the pollen assemblage, an agricultural weed that grows in distrurbed areas, was very small before europen settlement, when soil distrurbance was minimal. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B110.71945 CI-00110 Monographie Bibliothèque CDI-Ouaga Documents Disponible