خيارات البحث
النتائج 131 - 140 من 374
Polish mountain forests: past, present and future
1997
Grodzinska, K. | Szarek-Lukaszewska, G. (W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512 Krakow (Poland))
Cu accumulation in the earthworm Dendrobaena veneta in a heavy metal (Cu, Pb, Zn) contaminated site compared to Cu accumulation in laboratory experiments
1997
Marinussen, M.P.J.C. | Zee, S.E.A.T.M. van der | Haan, F.A.M. de (Wageningen Agricultural University, Department of Soil Science and Plant Nutrition, PO Box 8005, 6700 EC Wageningen (Netherlands))
EROD and CYP1A protein in channel catfish (Ictalurus punctatus) from an urban estuary relative to that in benzo[a]pyrene-exposed hatchery specimens
1997
Murphy, D.L. | Gooch, J.W. (Program in Toxicology, University of Maryland Graduate School, Baltimore, MD 21228 (USA))
Transect studies of pine forests along parallel 52 deg. N, 12-32 deg. E and along a pollution gradient in central Europe: general assumptions, climatic conditions and pollution deposition
1997
Breymeyer, A. (Institute of Geography and Spatial Organization, PAS, Twarda 51/55, 00-818 Warsaw (Poland))
Soil solution nitrogen and cations influenced by (NH4(2)SO4) deposition in a coniferous forest
1997
Carnol, M. | Ineson, P. | Dickinson, A.L. (University of Liege, Dept. Botany B22, Microbial Ecology and Radioecology, 4000 Liege (Belgium))
Polychlorinated biphenyls and organochlorine pesticides in eels (Anguilla anguilla L.) from Welsh rivers
1997
Weatherley, N.S. | Davies, G.L. | Ellery, S. (Environment Agency, Rio House, Waterside Drive, Aztec West, Almondsbury, Bristol BS12 4UD (United Kingdom))
Effects of ozone on yield, growth, and root starch concentrations of two alfalfa (Medicago sativa L.) cultivars
1997
Renaud, J.P. | Allard, G. | Mauffette, Y. (Centre de recherche acericole, MAPAQ, 2700 rue Einstein, Ste-Foy, QC, G1P 3W8 (Canada))
Organochlorines in polar bears (Ursus maritimus) at Svalbard
1997
Bernhoft, A. | Wiig, O. | Skaare, J.U. (National Veterinary Institute, PO Box 8156 Dep., N-0033 Oslo (Norway))
Biological variation in sensitivity to N-heterocyclic PAHs; effects of acridine on seven species of micro-algae
1997
Dijkman, N.A. | Vlaardingen, P.L.A. van | Admiraal, W.A. (Amsterdam Research Institute for Substances in Ecosystems (ARISE), University of Amsterdam, Department of Aquatic Exotoxicology, Kruislaan 320, 1098 SM, Amsterdam (Netherlands))
The impact of inorganic tin on the planktonic cyanobacterium Synechocystis aquatilis: the effect of pH and humic acid
1997
Pawlik-Skowronska, B. | Kaczorowska, R. | Skowronski, T. (Institute of Ecology, Polish Academy of Sciences, Experimental Station, 20-080 Lublin, Niecala 18/3 (Poland))