خيارات البحث
النتائج 1 - 10 من 16
[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.
Crown condition of Norway spruce in relation to sulphur and nitrogen deposition and soil properties in southeast Norway
1997
Solberg, S. | Toerseth, K. (Norwegian Forest Research Institute, Hoegskoleveien 12, N-1432 As (Norway))
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))
Seasonal variation of gas exchange and pigmentation in branches of three grafted clones of mature ponderosa pine exposed to ozone and acid rain
1997
Anderson, P.D. | Houpis, J.L.J. | Helms, J.A. | Momen, B. (USDA Forest Service, Forestry Sciences Laboratory, Rhinelander, Wisconsin (USA))
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))
Response of six European forest sites to decided and proposed air pollutant emission reductions
1997
Walse, C. | Schopp, W. | Warfvinge, P. (Deptartment of Chemical Engineering II, Lund University, PO Box 124, 221 00 Lund (Sweden))
Effects of simulated acid rain on pollen physiology and ultrastructure in the apple
1997
Bellani, L.M. | Rinallo, C. | Muccifora, S. | Gori, P. (Istituto Policattedra di Biologia Generale, Universita di Siena, Via T. Pendola 62, 53100 Siena (Italy))
Open-top chamber and field exposure of Sitka spruce to simulated acid mist: a comparison of results
1997
Sheppard, L.J. | Leith, I.D. | Morris, E. | Cape, J.N. | Roberts, D. (Institute of Terrestrial Ecology, Bush Estate, Penicuik, Midlothian, EH26 0QB (United Kingdom))
Stem growth reduction in mature Sitka spruce trees exposed to acid mist
1997
Crossley, A. | Sheppard, L.J. | Cape, J.N. | Smith, R.I. | Harvey, F.J. (Institute of Terrestial Ecology, Bush Estate, Penicuik, Midlothian, EH26 0QB (United Kingdom))
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))
