خيارات البحث
النتائج 221 - 230 من 322
The effect of lake water infiltration on the acidity and base cation status of forest soil
1999
Lindross, A.-J. | Derome, J. | Paavolainen, L. | Smolander, A. | Helmisaari, H.-S.
Nitrogen mineralization in forest humus polluted with copper or zinc
1999
NikliZska, M. (Krakow Univ. (Poland)) | Bottner, P. | Couteaux, M.-M.
Soil acidification and defoliation of Norway spruce in western Finland
1999
Derome, J. (Finnish Forest Research Inst., Rovaniemi (Finland))
Large decadal-scale variability in freshwater critical loads calculations derived from long-term monitoring data for the UK
1999
Monteith, D.T. | Curtis, C. (University Coll., London (UK)) | Evans, C.D.
Mapping critical loads of S and N for forests in Eastern Canada and the northeastern U.S.
1999
Ouimet, R. | Pardo, L.
Soil accumulation of nitrogen in some Norwegian terrestrial ecosystems
1999
Stuanes, A.O. | Sogn, T.A. | Strand, L.T. | Abrahamsen, G. (NLH, Aas (Norway))
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.
Critical loads for forest soils in Wallonia, south Belgium
1999
Bosman, B. | Carnol, M. | Remacle, J. (Liege Univ. (Belgium))
Test models for the dispersal of sulphur dioxide and its impact on soils
1999
Brickwood, S. | Rippey, B.
Nitrogen status and impact of nitrogen imput in forests: indicators and their possible use in critical load assessment
1999
Gundersen, P.