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Resultados 101-110 de 233
Chlorinated hydrocarbons and shell thinning in eggs of (Accipiter) hawks in Ontario, 1986-1989
1994
Elliott, J.E. | Martin, P.A. (Canadian Wildlife Service, National Wildlife Research Centre, Ottawa, Ontario K1A 0H3 (Canada))
Growth and yield responses of spring wheat (Triticum aestivum L. cv. Turbo) grown in open-top chambers to ozone and water stress
1994
Fangmeier, A. | Brockerhoff, U. | Grueters, U. | Jaeger, H.J. (Institut fuer Pflanzenoekologie, Heinrich-Buff-Ring 38, 35392 Giessen (Germany))
Pb uptake by ecologically dissimilar earthworm (Lumbricidae) species near a lead smelter in south Finland
1994
Terhivuo, J. | Pankakoski, E. | Hyvarinen, H. | Koivisto, I. (Zoological Museum, PO Box 17, FIN-00014 University of Helsinki (Finland))
Nitrogen saturation induced during winter by experimental NH4NO3 addition to a forested catchment
1994
Hultberg, H. | Dise, N.B. | Wright, R.F. | Andersson, I. | Nystrom, U. (Swedish Environmental Research Institute (IVL), Department of Ecology and Environmental Research, Box 47086, 40258 Gothenberg (Sweden))
The influence of mycorrhizal symbiosis and fertilizer amendments on establishment of vegetation in heavy metal mine spoil
1994
Hetrick, B.A.D. | Wilson, G.W.T. | Figge, D.A.H. (Department of Plant Pathology, State University, Manhattan, KS 66506 (USA))
Chronic ozone exposure alters the growth of leaves, stems and roots of hybrid Populus
1994
Woodbury, P.B. | Laurence, J.A. | Hudler, G.W. (Boyce Thompson Institute for Plant Research, Tower Road, Ithaca, New York 14853-1801 (USA))
Does (K+Mg+Ca+P) fertilization lead to recovery of tree health in a nitrogen stressed Quercus rubra L. stand?
1994
Boxman, A.W. | Cobben, P.L.W. | Roelofs, J.G.M. (Department of Ecology, Section of Environmental Ecology, University of Nijmegen, PO Box 9010, NL-6500 GL Nijmegen (Netherlands))
Growth and physiology of northern red oak: preliminary comparisons of mature tree and seedling responses to ozone
1994
Edwards, G.S. | Wullschleger, S.D. | Kelly, J.M. (Tennessee Valley Authority, Cooperative Forest Studies Program, TVA Forestry Building, Norris, Tennessee 37828 (USA))
Forest fire emissions in Portugal: a contribution to global warming?
1994
Miranda, A.I. | Coutinho, M. | Borrego, C. (Department of Environment, University of Aveiro, 3800 Aveiro (Portugal))
Pollution prevention research programs
1994
