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结果 31-40 的 55
Relationship between tree status, ecological factors and pollution load
1999
Braun, S. | Rihm, B. | Flueckiger, W.
Heathland ecosystem responses to nitrogen deposition and key processes involved
1999
Riis-Nielsen, T.
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))
Key elements for lake ecological assessment: Latvian experience [45 lakes]
1999
Poikane, S. | Licite, V. (Latvian Environment Data Centre, Jurmala (Latvia))
Aluminium: The need for a re-evaluation of its solubility and toxicity in mature spruce stands
1999
Wit, H.A. de (Norwegian Forest Research Inst., Aas (Norway)) | Mulder, J. | Nygaard, P.H. | Aamlid, D. | Huse, M. | Kortnes, E.
Investigating the use of larger scale maps for mapping the potential sensitivity of surface waters to acidification
1999
Ullyett, J.M. (Institute of Terrestrial Ecology, Huntingdon (UK)) | Hornung, M. | Hall, J.R. | Kernan, M.
Pilot study on the relationship between defoliation and critical loads exceedance in Poland
1999
Mill, W. | Wawrzoniak, J.
Critical load of raised bogs in Denmark
1999
Risager, M. (Copenhagen Univ. (Denmark))
Steady state methods for calculating critical loads of acidity to surface waters: where do we stand today?
1999
Henriksen, A. | Posch, M.
Modelling the effects of elevated nitrogen deposition on heathland community dynamics
1999
Power, S.A. | Allchin, E.A. (Imperial Coll. (UK)) | Ashmore, M.R. | Heil, G.W.
