Уточнить поиск
Результаты 241-250 из 322
Selecting chemical criteria for critical loads of acidity in maritime regions
1999
Aherne, J. (Belfield Univ., Dublin (Ireland)) | Farrell, E:P. | Hall, J. | Reynolds, B. | Horning, M.
Indicators for monitoring forest soil acidification and the impact of acidification on needle chemistry and coniferous tree growth
1999
Lundstroem, U.S. | Nyberg, L. | Danielsson, R. | Hees, P.A.W. van | Soederberg, U.
Ecological indicators of water quality at the Arctic region: Critical levels of integrating impacts
1999
Moiseenko, T. (Kola Science Centre, Apatity (Russia))
Heavy metal distribution in lake sediments as criteria of freshwater ecosystem state
1999
Dauvalter, V. (RAS, Apatity (Russia))
Pine needle chemistry near a large point SO2 source in Northernmost Europe
1999
Koptsik, G. | Koptsik, S. (Moscow State Univ. (Russia)) | Aamlid, D.
Abundance of epiphytic microflora of Scots pine stands in polluted areas
1999
Ragoutis, A. | Armolaitis, K. (Lithuanian Forest Inst., Kaunas (Lithuania))
Uncertainties in large scale assessment of critical load exceedances, and the possibilities of validation
1999
Bak, J.
Relationship between tree status, ecological factors and pollution load
1999
Braun, S. | Rihm, B. | Flueckiger, W.
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.
Soil field data and critical loads near a large point SO2 source in Northernmost Europe
1999
Koptsik, S. | Koptsik, G. (Moscow Univ. (Russia))