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.
Comparison of N and C dynamics in two Norway spruce stands using a process oriented simulation model
1998
Eckersten, H. | Beier, C. (Swedish University of Agricultural Sciences, P.O. Box 7043, S-75007 Uppsala (Sweden))
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))
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))
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.
Scots pine needle surfaces on radial transects across the north boreal area of Finnish Lapland and the Kola Peninsula of Russia
1996
Turunen, M. | Huttunen, S. (Arctic Centre, University of Lapland, P.O. Box 122, FIN-96101, Rovaniemi (Finland))
Spatial patterns in stream nitrate concentrations in upland Wales in relation to catchment forest cover and forest age
1994
Reynolds, B. | Ormerod, S.J. | Gee, A.S. (Institute of Terrestrial Ecology, Bangor Research Station, c/o University College North Wales, Bangor, Gwynedd (United Kingdom))
