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1990

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Results 181-190 of 329

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
Peroxidase activity as an indicator of pollution stress in the fine roots of Pinus sylvestris

1990

Markkola, A.M. (Oulu Univ. (Finland). Dept. of Botany) | Ohtonen, R. | Tarvainen, O.

mycorrhizae pinus sylvestris air pollution peroxydase/ racine pollution atmospherique mycorhize peroxidasas/ raices polucion del aire peroxidases/ roots
Wageningen University & Research - Netherlands
Modeling study of SO(x) and NO(x) transport during the January 1985 smog episode

1990

Leeuw, F.A.A.M. de (Rijksinstituut voor Volksgezondheid en Milieuhygiene, Bilthoven (Netherlands)) | Rheineck Leyssius, H.J. van

inversion thermique sulfate escocia frio nitrates modele dioxido de nitrogeno europa occidental/ niebla inversion termica oxidos de nitrogeno suede paises bajos ...
Wageningen University & Research - Netherlands
Explanations for the differential response of certain tropical tree species to SO(2) under field conditions

1990

Rao, M.V. (Vikram Univ., Ujjain (India). School of Studies in Botany) | Dubey, P.S.

azadirachta indica fitotoxicidad peroxidases phytotoxicity superoxide dismutase eugenia phytotoxicite dioxyde de soufre/ sulfate peroxydase proteinas superoxido dismutasa peroxidasas ...
Wageningen University & Research - Netherlands