О ФАО Новости Мультимедиа Основные темы Статистика Члены Публикации

ФАО АГРИС — международная информационная система по сельскохозяйственным наукам и технологиям

[ Опубликовано в: Pollution ]
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1990

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Результаты 171-180 из 329

The spatial heterogeneity of chemical properties in acid forest soils and its importance for tree nutrition

1990

Hildebrand, E.E. (Forest Research Inst. of Baden-Wuerttemberg, Freiburg (Germany, F.R.))

forest trees forest soils plant nutrition arbre forestier nutrition des plantes suelo forestal acid soils/ soil chemicophysical properties suelo acido/ propiedades fisico-quimicas suelo sol acide/ propriete physicochimique du sol arboles forestales nutricion de las plantas sol de foret
Wageningen University & Research - Netherlands
Changes in soil properties and site productivity caused by red alder

1990

Cole, D.W. (Washington Univ., Seattle, WA (USA). Coll. of Forest Resources) | Compton, J. | Miegroet, H. van | Homann, P.

pseudotsuga menziesii soil chemicophysical properties alnus rubra propiedades fisico-quimicas suelo caracteristicas del sitio/ fijacion del nitrogeno site factors/ nitrogen fixation propriete physicochimique du sol facteur lie au site/ fixation de l'azote
Wageningen University & Research - Netherlands
Effects of forest liming on the nutrient status of podzolic soils in Finland

1990

Derome, J. (Finnish Forest Research Inst., Vantaa (Finland). Dept. of Soil Science)

encalado liming pinus sylvestris chaulage picea abies finlande/ element nutritif disponible finlandia/ disponibilidad de nutrientes finland/ nutrient availability
Wageningen University & Research - Netherlands
Dynamics of "acute yellowing" in spruce connected with Mg deficiency

1990

Kandler, O. (Munich Univ. (Germany, F.R.). Botanical Inst.) | Miller, W.

picea magnesio/ enfermedades carenciales magnesium/ deficiency diseases magnesium/ maladie de carence
Wageningen University & Research - Netherlands
Growth variation and environmental stresses: long-term observations on permanent research plots in southwestern Germany

1990

Spiecker, H. (Forest Research Inst. of Baden-Wuerttemberg, Freiburg (Germany, F.R.))

abies alba facteur du milieu factores ambientales environmental factors picea abies germany/ forest mensuration alemania/ dendrometria allemagne/ dendrometrie
Wageningen University & Research - Netherlands
The effects of forest liming on fertilization on fine-root growth

1990

Persson, H. (Swedish Univ. of Agricultural Sciences, Uppsala (Sweden). Dept. of Ecology and Environmental Research) | Ahlstroem, K.

pinus sylvestris picea abies chaulage/ racine liming/ roots encalado/ raices
Wageningen University & Research - Netherlands
Watershed-scale responses to ozone events in a Pinus strobus L. plantation

1990

Swank, W.T. (Southeastern Forest Experiment Station, Otto, NC (USA). Coweeta Hydrologic Lab.) | Vose, J.M.

pinus strobus estados apalaches (eua) appalachian states (usa) ozone/ damage ozone/ degat etats appalachiens (eu) ozono/ danos
Wageningen University & Research - Netherlands
An integrated watershed/plot-scale study of element cycling in spruce ecosystems of the black forest

1990

Feger, K.H. (Albert-Ludwigs-University, Freiburg i. Br. (Germany, F.R.). Inst. of Soil Science and Forest Nutrition) | Brahmer, G. | Zoettl, H.W.

magnesium fertilizers picea acidification/ cycling abonos magnesicos acidificacion/ ciclo biogeoquimico acidification/ cycle biogeochimique engrais magnesien
Wageningen University & Research - Netherlands
PCB concentrations in stream sunfish (Lepomis auritus and L. macrochirus) in relation to proximity to chronic point sources

1990

Southworth, G.R. (Environmental Sciences Div., Oak Ridge, TN (USA). Oak Ridge National Lab.)

animal indicateur peces animales indicadores contamination pollution cursos de agua contaminacion polychlorure de biphenyle/ controle continu polychlorinated biphenyls/ monitoring polucion bifenilos policlorados/ vigilancia ...
Wageningen University & Research - Netherlands
Retention of ingested (110m)Ag by a freshwater fish, Salmo trutta L.

1990

Garnier, J. (Institut de Protection et de Surete Nucleaire DERS/SERE, Saint-Paul-Lez-Durance (France). Lab. de Radioecologie des Eaux Continentales) | Baudin, J.P.

tracer techniques fish feeding salmo trutta alimentation des poissons technique des traceurs alimentacion de peces tecnicas de trazadores plata/ polucion del agua silver/ water pollution argent/ pollution de l'eau
Wageningen University & Research - Netherlands