خيارات البحث
النتائج 231 - 240 من 315
Past land use should be taken into account when assessing critical loads of nitrogen
1999
Dambrine, E. | Dupouey, J.L. | Jussy, J.H. | Koerner, W. | Ranger, J. | Benoit, M.
Assessment of critical loads with a dynamic soil acidification model
1999
Johansson, M. | Ahonen, J.
The role of microbial associations in interpreting and modifying the effects of acidification stress
1999
Finlay, R. | Ahonen-Jonnarth, U. (SLU, Uppsala (Sweden)) | Goeransson, A. | Rosling, A. | Lindahl, B. | Taylor, A. | Hees, P. van | Lundstroem, U.
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.
Temporal and spatial uncertainties in use of biological responses to nitrogen
1999
Falkengren-Grerup, U. (Lund Univ. (Sweden))
Nitrogen mineralization in forest humus polluted with copper or zinc
1999
NikliZska, M. (Krakow Univ. (Poland)) | Bottner, P. | Couteaux, M.-M.
N fertilization experiment with young Norway spruce and beech trees: changes in tree, soil and ectomycorrhizal fungi characteristics
1999
Hiltbrunner, E. | Braun, S. | Tomova, L. | Flueckiger, W.