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Результаты 171-180 из 374
The environmental hazard caused by smelter slags from the Sta. Maria de la Paz mining district in Mexico
1997
Manz, M. | Castro, L.J. (UFZ Centre for Environmental Research Leipzig-Halle, Department of Chemical Ecotoxicology, PO Box 2, D-04301 Leipzig (Germany))
Degradation of the fungicide difenoconazole in a silt loam soil as affected by pretreatment and organic amendment
1997
Thom, E. | Ottow, J.C.G. | Benckiser, G. (Institute of Applied Microbiology, Department of Agriculture and Environmental Security, Justus-Liebig-University Giessen, 3 Senckenbergstrasse, D-35390 Giessen (Germany))
Thallium in French agrosystems - I. Thallium contents in arable soils
1997
Tremel, A. | Masson, P. | Sterckeman, T. | Baize, D. | Mench, M. (Unite d'Agronomie, INRA, BP 81, 33883, Villenave d'Ornon (France))
The effects of ozone-exposed sugar maple seedlings on the biological performance and the feeding preference of the forest tent caterpillar (Malacosoma disstria Hbn.)
1997
Fortin, M. | Mauffette, Y. | Albert, P.J. (Groupe de Recherche en Ecologie Forestiere (GREF), Universite du Quebec a Montreal, C.P. 8888 Succ. A, Montreal, QC H3C 3P8 (Canada))
Seasonal variability of total and easily leachable element contents in topsoils (0-5 cm) from eight catchments in the European Arctic (Finland, Norway and Russia)
1997
Niskavaara, H. | Reimann, C. | Chekushin, V. | Kashulina, G. (Geological Survey of Finland, PO Box 77, FIN-96101 Rovaniemi (Finland))
Spatial and temporal distribution of metals in soils in Warsaw, Poland
1997
Pichtel, J. | Sawyerr, H.T. | Czarnowska, K. (Ball State University, Natural Resources and Environmental Management, Muncie, Indiana 47306-0495 (USA))
Anthropogenic impacts on natural nitrogen isotope variations in Pinus sylvestris stands in an industrially polluted area
1997
Jung, K. | Gebauer, G. | Gehre, M. | Hofmann, D. | Weissflog, L. | Schuurmann, G. (Department of Chemical Ecotoxicology, Centre for Environmental Research Leipzig-Halle, P.O. Box 2, D-04301 Leipzig (Germany))
Differences in growth, leaf senescence and injury, and stomatal density in birch (Betula pendula Roth.) in relation to ambient levels of ozone in Finland
1997
Paakkonen, E. | Holopainen, T. | Karenlampi, L. (Department of Ecology and Environmental Science, University of Kuopio, PO Box 1627 (Finland))
The synergism between SO2 oxidation and manganese leaching on spruce needles - a chamber experiment
1997
Burkhardt, J. | Drechsel, P. (Department of Agroecology, University of Bayreuth, D-95440 Bayreuth (Germany))
Ectomycorrhizae of young and mature Scots pine trees in industrial regions in Poland
1997
Kieliszewska-rokicka, B. | Rudawska, M. | Leski, T. (Polish Academy of Sciences, Institute of Dendrology, Parkowa 5, 62-035 Kornik (Poland))