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Resultados 151-160 de 329
Effect of the chemical composition of industrial dusts on forest floor organic matter accumulation
1990
Grodzinski, W. (Jagiellonian Univ., Krakow (Poland). Inst. of Environmental Biology, Dept. of Ecosystem Studies) | Greszta, J. | Laskowski, R. | Maryanski, M. | Rozen, A.
A case study of forest decline in Western Canada and the adjacent United States
1990
Auclair, A.N.D. (Forestry Canada (Canada). Quebec Region and Atmospheric Environment Service) | Martin, H.C. | Walker, S.L.
Irrigation frequency effects on leaching of cations from gypsum amended coastal plain surface soils
1990
Alva, A.K. (Florida Univ., Lake Alfred, FL (USA). Inst. of Food and Agricultural Sciences, Citrus Research and Education Center) | Gascho, G.J. | Cromer, W.A.
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.)
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.
Removal of Cu and Cd from water by Bacopa monnieri L.
1990
Sinha, S. (National Botanical Research Inst., Lucknow (India). Aquatic Botany Lab.) | Chandra, P.
Chloride in the pore water and water column of Onodaga Lake, N.Y., U.S.A.
1990
Effler, S.W. (Upstate Freshwater Inst., Syracuse, NY (USA)) | Doerr, S.M. | Brooks, C.M. | Rowell, H.C.
Influence of labelled food type on the accumulation and retention of (60)Co by a freshwater fish, Cyprinus carpio L.
1990
Baudin, J.P. (Institut de Protection et de Surete Nucleaire, Saint-Paul-Lez-Durance (France). Lab. de Radioecologie des Eaux Continentales) | Fritsch, A.F. | Georges, J.
An acidic snowmelt event in a New Jersey stream: evidence of effects on an indigenous trout population
1990
Stansley, W. (New Jersey Dept. of Environmental Protection, Lebanon, NJ (USA). Div. of Fish, Game and Wildlife) | Cooper, G.
Effect of SO2 and NH3 on growth behavior of some phylloplane fungi of wheat in vitro
1990
Singh, A.K. (Banaras Hindu Univ., Varanasi (India). Dept. of Botany) | Rai, B.