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[To much nitrogen, aci and ozone: pollutant immissions are over the critical threshold]. | Trop d'azote, d'acide et d'ozone: les immissions polluantes depassent le seuil critique.
1997
Voltz, R. | Baumgartner, H.
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))
Comparison of photosynthetic responses to manganese toxicity of deciduous broad-leaved trees in northern Japan
1997
Kitao, M. | Lei, T.T. | Koike, T. (Forestry and Forest Products Research Institute, Hokkaido Research Center, Sapporo 062 (Japan))
Air pollution status of the Bulgarian Govedartsi ecosystem
1997
Zeller, K. | Donev, E. | Bojinov, H. | Nikolov, N. (Rocky Mountain Forest and Range Experiment Station, USDA Forest Service, Ft. Collins, CO (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))
Variation in ozone sensitivity among clones of Betula pendula and Betula pubescens
1997
Paakkonen, E. | Holopainen, T. | Karenlampi, L. (Department of Ecology and Environmental Science, University of Kuopio, PO Box 1627, 70211, Kuopio (Finland))
Effect of geographical location on species composition, vegetation structure, diversity and phytoindicative characteristics in pine forests
1997
Roo-Zielinska, E. | Solon, J. (Institute of Geography and Spatial Organization, Polish Academy of Sciences, 00-818, Warsaw, Twarda 51/55 (Poland))
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))
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))
Antioxidant responses to simulated acid rain and heavy metal deposition in birch seedlings
1997
Koricheva, J. | Roy, S. | Vranjic, J.A. | Haukioja, E. | Hughes, P.R. | Hanninen, O. (Laboratory of Ecological Zoology, Department of Biology, University of Turku, FIN-20014 Turku (Finland))
