[ 发表于: Pollution ]
高级检索
出版日期
细化搜索
结果 201-210 的 322
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.
University of Copenhagen - Denmark
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.
University of Copenhagen - Denmark
Effects from three years of simulated N deposition on growth and N uptake in boreal understorey plants
1999
Nordin, A. | Strengbom, J. | Ericson, L. | Naesholm, T.
University of Copenhagen - Denmark
Mapping critical loads of S and N for forests in Eastern Canada and the northeastern U.S.
1999
Ouimet, R. | Pardo, L.
University of Copenhagen - Denmark
Soil accumulation of nitrogen in some Norwegian terrestrial ecosystems
1999
Stuanes, A.O. | Sogn, T.A. | Strand, L.T. | Abrahamsen, G. (NLH, Aas (Norway))
University of Copenhagen - Denmark
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))
University of Copenhagen - Denmark
Diffuse pollution '98
1999
Novotny, Vladimir | D'Arçy, B (Brian)
National Agricultural Library - United States of America
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.
University of Copenhagen - Denmark
An assessment of uncertainty in freshwater critical loads in Wales
1999
Reynolds, B. | Norris, D.A.
University of Copenhagen - Denmark
Assessment of critical loads with a dynamic soil acidification model
1999
Johansson, M. | Ahonen, J.
University of Copenhagen - Denmark