خيارات البحث
النتائج 1 - 10 من 18
Interactive effects of aluminum, phosphorus and mycorrhizae on growth and nutrient uptake of Panicum virgatum L. (Poaceae)
1989
Koslowsky, S.D. | Boerner, R.E.J. (Department of Botany, Ohio State University, Columbus, OH 43210 (USA))
Longitudinal patterns of stream chemistry in a catchment with forest dieback, Czech Republic
1999
Havel, M. | Peters, N.E. | Cerny, J. (Czech Geological Survey, Klarov 3/131, Praha 1 (Czech Republic))
Residual effects of N fertilization on soil-water chemistry and ground vegetation in a Swedish Scots pine forest
1998
Nohrstedt, H.O. (SkogForsk, Uppsala Science Park, S-751 83 Uppsala (Sweden))
Effects of aluminium in acid streams on growth and sporulation of aquatic hyphomycetes
1997
Chamier, A.C. | Tipping, E. (Institute of Freshwater Ecology, The Ferry House, Ambleside, Cumbria LA22 OLP (United Kingdom))
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))
Changes in gill morphology of Atlantic salmon (Salmo salar) smolts due to addition of acid and aluminum to stream water
1997
Jagoe, C.H. | Haines, T.A. (Department of Zoology, University of Maine, Orono, ME 04469-5751 (USA))
Acid and aluminum effects on the survival of littoral macro-invertebrates during acute bioassays
1993
Havens, K.E. (Department of Biological Sciences, Kent State University, Kent, OH 44242-0001 (USA))
Changes in heavy metal contents in an acidic forest soil affected by depletion of soil organic matter within the time span 1969-93
1999
Egli, M. | Fitze, P. | Oswald, M. (Institute of Geography, University Zurich-Irchel, Winterthurerstrasse 190, CH-8057 Zurich (Switzerland))
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))