خيارات البحث
النتائج 181 - 190 من 315
Effect-based control strategies: what do we need in the future?
1999
Grennfelt, P.
A novel method for mapping critical loads across a river network: Application to the River Dart, Southwest England
1999
Evans, C.D. | Cooper, D.M. | Gannon, B.
Critical load of raised bogs in Denmark
1999
Risager, M. (Copenhagen Univ. (Denmark))
Modelling the effects of elevated nitrogen deposition on heathland community dynamics
1999
Power, S.A. | Allchin, E.A. (Imperial Coll. (UK)) | Ashmore, M.R. | Heil, G.W.
Heavy metal distribution in lake sediments as criteria of freshwater ecosystem state
1999
Dauvalter, V. (RAS, Apatity (Russia))
Structure change of boreal wood communities at critical levels of industrial transformation
1999
Chernenkova, T. (RAS, Moscow (Russia))
Interdependence of pH, cation exchange capacity and organically complexed Al in organic-rich acid forest soils
1999
Matschonat, G. (Hohenheim Univ., Stuttgart (Germany)) | Ross, D.S. | Lawrence, G.B.
Abundance of epiphytic microflora of Scots pine stands in polluted areas
1999
Ragoutis, A. | Armolaitis, K. (Lithuanian Forest Inst., Kaunas (Lithuania))
New approach to the exposure-response study of the forest ecosystems around Karabash Copper Smelter [South Ural]
1999
Butusov, O.B. (Moscow State Univ. of Ecological Engineering (Russia))
Critical loads of acidity for forest soils: Tentative modifications
1999
Holmberg, M. | Mulder, J. | Posch, M. | Starr, M. | Forsius, M. | Johansson, M. | Bak, J. | Ilvesniemi, H. | Sverdrup, H.
