U.S. Geological survey water-supply paper, 2370. Soil water and vegetation responses to precipitation and changes depth to ground water in owens valley, California / Sorenson, S. K.

Public ISBD Titre de série : U.S. Geological survey water-supply paper, 2370 Titre : Soil water and vegetation responses to precipitation and changes depth to ground water in owens valley, California Type de document : texte imprimé Auteurs : Sorenson, S. K. ; Dileanis, P. D. ; Branson, F. A. Mention d'édition : U.S Department of the interior Editeur : U.S Department of the Interior Année de publication : 1991 ISBN/ISSN/EAN : CI-07609 Note générale : Vegetation on the floor of avens valley, California, is composed predominatly of phreodophytic desert communities that are adapted to small quantity of precipitation and alkaline soils. These plant communities are believed to be dependent on the continuing presence of a shallow water table. Maintaining existing plant communities is important to preserve the environmental quality of the valley. Proposals to pump additional quantities of groundwater from the valley for export to city of Los Angeles caused concern about the effect of pumpiny on the existing vegetation and how the plants would adapt to short -or long-term declines of the shallow water table... Mots-clés : Végétation  Précipitations  Eau souterraine  Evaluation  Hydrogéologie  Sol Index. décimale : 577 Ecologie Résumé : Vegetation on the floor of avens valley, California, is composed predominatly of phreodophytic desert communities that are adapted to small quantity of precipitation and alkaline soils. These plant communities are believed to be dependent on the continuing presence of a shallow water table. Maintaining existing plant communities is important to preserve the environmental quality of the valley. Proposals to pump additional quantities of groundwater from the valley for export to city of Los Angeles caused concern about the effect of pumpiny on the existing vegetation and how the plants would adapt to short -or long-term declines of the shallow water table... Note de contenu : Vegetation on the floor of avens valley, California, is composed predominatly of phreodophytic desert communities that are adapted to small quantity of precipitation and alkaline soils. These plant communities are believed to be dependent on the continuing presence of a shallow water table. Maintaining existing plant communities is important to preserve the environmental quality of the valley. Proposals to pump additional quantities of groundwater from the valley for export to city of Los Angeles caused concern about the effect of pumpiny on the existing vegetation and how the plants would adapt to short -or long-term declines of the shallow water table... U.S. Geological survey water-supply paper, 2370. Soil water and vegetation responses to precipitation and changes depth to ground water in owens valley, California [texte imprimé] / Sorenson, S. K. ; Dileanis, P. D. ; Branson, F. A.  . -  U.S Department of the interior . - U.S Department of the Interior, 1991. ISSN : CI-07609 Vegetation on the floor of avens valley, California, is composed predominatly of phreodophytic desert communities that are adapted to small quantity of precipitation and alkaline soils. These plant communities are believed to be dependent on the continuing presence of a shallow water table. Maintaining existing plant communities is important to preserve the environmental quality of the valley. Proposals to pump additional quantities of groundwater from the valley for export to city of Los Angeles caused concern about the effect of pumpiny on the existing vegetation and how the plants would adapt to short -or long-term declines of the shallow water table... Mots-clés : Végétation  Précipitations  Eau souterraine  Evaluation  Hydrogéologie  Sol Index. décimale : 577 Ecologie Résumé : Vegetation on the floor of avens valley, California, is composed predominatly of phreodophytic desert communities that are adapted to small quantity of precipitation and alkaline soils. These plant communities are believed to be dependent on the continuing presence of a shallow water table. Maintaining existing plant communities is important to preserve the environmental quality of the valley. Proposals to pump additional quantities of groundwater from the valley for export to city of Los Angeles caused concern about the effect of pumpiny on the existing vegetation and how the plants would adapt to short -or long-term declines of the shallow water table... Note de contenu : Vegetation on the floor of avens valley, California, is composed predominatly of phreodophytic desert communities that are adapted to small quantity of precipitation and alkaline soils. These plant communities are believed to be dependent on the continuing presence of a shallow water table. Maintaining existing plant communities is important to preserve the environmental quality of the valley. Proposals to pump additional quantities of groundwater from the valley for export to city of Los Angeles caused concern about the effect of pumpiny on the existing vegetation and how the plants would adapt to short -or long-term declines of the shallow water table...

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US geological Survey Water Supply Paper, 2370-D. Osmotic potential and projected drought tolerance of four phreatophytic shrub species in Ouwens Valley, California / Dileanis, P. D.

Public ISBD Titre de série : US geological Survey Water Supply Paper, 2370-D Titre : Osmotic potential and projected drought tolerance of four phreatophytic shrub species in Ouwens Valley, California Type de document : texte imprimé Auteurs : Dileanis, P. D. ; Groeneveld, D. P. Mention d'édition : U. S. Geological Survey Federal Center Editeur : U. S. Geological Survey Federal Center Année de publication : 1989 ISBN/ISSN/EAN : CI-08407 Note générale : The purpose of this report is to define a physiological response of vegetation to a lowered water table through an understanding of the osmotic composents of water balance of four phreatophyte shrub species common to the shallow ground-water environment of the Owens Valley floor and to define the relative drought tolerance of the species. Langues : Anglais (eng) Mots-clés : Sol  Hydrologie  Végétation  Eau souterraine  Sécheresse Index. décimale : 551.48 Hydrologie : Résumé : The purpose of this report is to define a physiological response of vegetation to a lowered water table through an understanding of the osmotic composents of water balance of four phreatophyte shrub species common to the shallow ground-water environment of the Owens Valley floor and to define the relative drought tolerance of the species. Note de contenu : The purpose of this report is to define a physiological response of vegetation to a lowered water table through an understanding of the osmotic composents of water balance of four phreatophyte shrub species common to the shallow ground-water environment of the Owens Valley floor and to define the relative drought tolerance of the species. US geological Survey Water Supply Paper, 2370-D. Osmotic potential and projected drought tolerance of four phreatophytic shrub species in Ouwens Valley, California [texte imprimé] / Dileanis, P. D. ; Groeneveld, D. P.  . -  U. S. Geological Survey Federal Center . - U. S. Geological Survey Federal Center, 1989. ISSN : CI-08407 The purpose of this report is to define a physiological response of vegetation to a lowered water table through an understanding of the osmotic composents of water balance of four phreatophyte shrub species common to the shallow ground-water environment of the Owens Valley floor and to define the relative drought tolerance of the species. Langues : Anglais (eng) Mots-clés : Sol  Hydrologie  Végétation  Eau souterraine  Sécheresse Index. décimale : 551.48 Hydrologie : Résumé : The purpose of this report is to define a physiological response of vegetation to a lowered water table through an understanding of the osmotic composents of water balance of four phreatophyte shrub species common to the shallow ground-water environment of the Owens Valley floor and to define the relative drought tolerance of the species. Note de contenu : The purpose of this report is to define a physiological response of vegetation to a lowered water table through an understanding of the osmotic composents of water balance of four phreatophyte shrub species common to the shallow ground-water environment of the Owens Valley floor and to define the relative drought tolerance of the species.

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