خيارات البحث
النتائج 41 - 50 من 55
Levels, distribution and detrimental effects of anthropogenic S in the European Arctic environment: multimedia catchment based and large-scale regional studies
1999
Kashulina, G. (INEP, Kola Science Centre, Apatity (Russia)) | Reimann, C.
Predicting freshwater critical loads from catchment characteristics using national datasets
1999
Kernan, M.R. | Helliwell, R.C.
Critical loads: Some remarks on ecology, diversity conservation and ethics
1999
Tybirk, K.
Uncertainties in large scale assessment of critical load exceedances, and the possibilities of validation
1999
Bak, J.
Nitrogen mineralization in forest humus polluted with copper or zinc
1999
NikliZska, M. (Krakow Univ. (Poland)) | Bottner, P. | Couteaux, M.-M.
Some effects of N on ectomycorrhizal diversity of Scots pine (Pinus sylvestris L.) in Northeastern Germany
1999
Woellecke, J. (BTU Cottbus (Germany)) | Muenzenberger, B. | Huettl, R.F.
Soil accumulation of nitrogen in some Norwegian terrestrial ecosystems
1999
Stuanes, A.O. | Sogn, T.A. | Strand, L.T. | Abrahamsen, G. (NLH, Aas (Norway))
Litter transformation in spruce forest as a key element of ecosystem function assessment under different ecological conditions
1999
Ushakova, G. | Koroleva, N. (Polar-Alpine Botanical Garden, Kirovsk (Russia))
Foliar Ca, Mg, Al, N and delta15N as indicators of ecological damage in a spruce-fir stand subjected to chronic N additions
1999
Pardo, L.H. | Schaberg, P.G. (USDA Forest Service, Burlington, VT (USA)) | McNulty, S.G. | Aber, J.D.
National integrated assessment modelling
1999
Johansson, M. | Ahonen, J. | Alveteg, M. | Bak, J. | Forsius, M. | Frohn, L. | Geernaert, G. | Gimeno, B.S. | Guardans, R. | Karvosenoja, N. | Martin, F.
