خيارات البحث
النتائج 1 - 10 من 26
Changes in pigment concentration and composition in Norway spruce induced by long-term exposure to low levels of ozone.
1995
Mikkelsen T.N. | Dodell B. | Lutz C.
[Pesticide investigations in Copenhagen municipality]
1997
Bendix, I.
Direct simulation of groundwater age [direct age dating]
1997
Engesgaard, P.
Issues in scaling tree size and age responses to ozone: a review
1997
Kolb, T.E. | Fredericksen, T.S. | Steiner, K.C. | Skelly, J.M. (School of Forestry, College of Ecosystem Science and Management, Northern Arizona University, Flagstaff, Arizona 86011-5018 (USA))
Effects of simulated acid rain and ozone on foliar chemistry of field-grown Pinus ponderosa seedlings and mature trees
1996
Momen, B. | Helms, J.A. (Department of Environmental Science, University of California, Berkeley, California 94720 (USA))
Response of cellular antioxidants to ozone in wheat flag leaves at different stages of plant development
1994
Bender, J. | Weigel, H.J. | Wegner, U. | Jager, H.J. (Institut fur Produktions- und Okotoxikologie, Bundesforschungsanstalt fur Landwirtschaft, Bundesallee 50, D-38116 Braunschweig (Germany))
Temporal changes in some chlorinated hydrocarbon residue levels of Canadian breast milk and infant exposure
1994
Mes, J. (Food Research Division, Bureau of Chemical Safety, Food Directorate, Health Protection Branch, Health and Welfare Canada, Tunney's Pasture, Ottawa K1A 0L2 (Canada))
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees
1993
Cape, J.N. (Institute of Terrestrial Ecology, Bush Estate, Penicuik, Midlothian, EH26 0QB (United Kingdom))
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))
Mercury levels in the plumage of red-billed gulls Larus novaehollandiae scopulinus of known sex and age
1990
Furness, R.W. | Lewis, S.A. | Mills, J.A.
