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Результаты 141-150 из 266
Accumulation of copper in Clarias anguillaris L. and Oreochromis niloticus L.
1989
Daramola, J.A. (Ahmadu Bello Univ., Zaria (Nigeria). Dept. of Biological Sciences) | Oladimeji, A.A.
Nutrient cycling in adirondack conifer plantations: is acidic deposition an influencing factor?
1989
Nowak, C.A. (State Univ. of New York, Syracuse, NY (USA). Coll. of Environmental Science and Forestry) | Shepard, J.P. | Downard, R.B. | White, E.H. | Raynal, D.J. | Mitchell, M.J.
Nutritional disturbances and histological changes in declining forests
1989
Zoettl, H.W. (Albert-Ludwigs-University, Freiburg im Breisgau (Germany). Inst. of Soil Science and Forest Nutrition) | Huettl, R.F. | Fink, S. | Tomlinson, G.H. | Wisniewski, J.
Impact of acid fog and ozone on coastal red spruce
1989
Jagels, R. (Maine Univ., Orono, ME (USA). Dept. of Forest Biology) | Carlisle, J. | Cunningham, R. | Serreze, S. | Tsai, P.
Copper and zinc balance in soils, rice plants and aquatic systems in an area along the Fuchu precipice line, Tokyo, Japan
1989
Okazaki, M. (Tokyo Univ. of Agriculture and Technology, Tokyo (Japan). Faculty of Agriculture) | Saito, S.
Use of 90Sr in fish vertebrae as an effluent exposure tracer in PCB-contaminated channel catfish
1989
Southworth, G.R. (Oak Ridge National Lab., Oak Ridge, TN (USA))
Effect of a sewage plant in the distribution of organochlorine residues in the Diyala River, Iraq
1989
Al-Omar, M.A. (Biological Research Centre, Baghdad (Iraq)) | Nehla | Al-Ogaily, H. | Shebl, D.A.
Uptake, retention and toxicity of heavy metals in lichens
1989
Tyler, G. (Lund Univ. (Sweden). Dept. of Plant Ecology)
Fluxes of Cu, Zn, Pb, Cd, Cr, and Ni in temperate forest ecosystems
1989
Bergkvist, B. (Lund Univ. (Sweden). Dept. of Plant Ecology) | Folkeson, L. | Berggren, D.
Industrial air pollution and forest dieback
1989
Pathak, Saroj N.
