خيارات البحث
النتائج 91 - 100 من 374
Effects of herbicides on two submersed aquatic macrophytes, Potamogeton pectinatus L. and Myriophyllum sibiricum Komarov, in a prairie wetland
1997
Forsyth, D.J. | Martin, P.A. | Shaw, G.G. (Canadian Wildlife Service, 115 Perimeter Road, Saskatoon, Saskatchewan S7N 0X4 (Canada))
Observations of ozone-induced foliar injury on black cherry (Prunus serotina, var. capuli) within the Desierto de Los Leones National Park, Mexico City
1997
Skelly, J.M. | Savage, J.E. | Bauer, M. de L. de | Alvarado, D. (Department of Plant Pathology, Pennsylvania State University, University Park, PA 16802 (USA))
Assessment of trace metal distribution and contamination in surface soils of Hong Kong
1997
Chen, T.B. | Wong, J.W.C. | Zhou, H.Y. | Wong, M.H. (Station for Agroecology and Environmental Technology, Institute of Geography, Chinese Academy of Sciences, 3 Datun Road, Beijing 100101 (China))
Mobility of Zn, Cd and Pb in soils as affected by poultry litter extract-II. Redistribution among soil fractions
1997
Li ZhenBin | Shuman, L.M. (Department of Crop and Soil Science, Georgia Experiment Station, University of Georgia, Griffin, GA 30223-1797 (USA))
Fluorogenic compound hydrolysis as a measure of toxicity-induced cytoplasmic viscosity and pH changes
1997
Grabowski, J. | Hsiao KeCheng | Baker, P.R. | Bornman, C.H. (Institute of Physics, Poznan University of Technology, ul. Piotrowo 3, 60-965 Poznan (Poland))
Uptake of chromate in sulfate deprived wheat plants
1997
Kleiman, I.D. | Cogliatti, D.H. (Departamento de Ecologia, Facultad de Agronomia, UNCPBA, C.C. 178, (7300) Azul (Argentina))
The effects of conservation tillage practices on benthic invertebrate communities in headwater streams in southwestern Ontario, Canada
1997
Barton, D.R. | Farmer, M.E.D. (Department of Biology, University of Waterloo, Ontario, N2L 3G1 (Canada))
Deterioration of forests in the Sudety Mountains, Poland, detected on satellite images
1997
Bochenek, Z. | Ciolkosz, A. | Iracka, M. (Institute of Geodesy and Cartography, Remote Sensing and Spatial Information Centre-OPLIS, ul.Jasna 2/4, 00-950 Warsaw (Poland))
Multi-phase partitioning and co-solvent effects for polynuclear aromatic hydrocarbons (PAH) in authentic petroleum- and creosote-contaminated soils
1997
Zemanek, M.G. | Pollard, S.J.T. | Kenefick, S.L. | Hrudey, S.E. (Contaminated Sites Decommissioning Branch, Chemicals Assessment and Management Division, Alberta Environmental Protection, 9820 - 106 Street, Edmonton, Alberta (Canada))
Ambient tropospheric ozone in the Ukrainian Carpathian Mountains and Kiev region: detection with passive samplers and bioindicators plants
1997
Blum, O. | Bytnerowicz, A. | Manning, W. | Popovicheva, L. (Central Botanical Garden, National Academy of Sciences, Timiryazevskaya St 1, 252014 Kiev (Ukraine))
