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Résultats 11-20 de 28
Evaporation of a wooded slope at the ARINUS site Schluchsee
1996
Mayer, H. | Fritsch, J.
[Biomonitoring as an attempt to comprehensive pollutant registration: heavy metals content of feather samples of the sedentary bird species magpie (Pica pica L.) and goshawk (Accipiter gentilis L.) of the eastern Hamburg area affected by air pollution]
1988
Ellenberg, H. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany, F.R.). Inst. fuer Weltforstwirtschaft und Oekologie) | Kuehnast, O.
The vegetation of the Fichtelgebirge: Origin, site conditions, and present status
1989
Reif, A.
[The role of the State Institute for Protection against Air Pollution of North Rhine-Westphalia in the clarification of the causes of new types of forest dieback]
1987
Stratmann, H. (Landesanstalt fuer Immissionsschutz des Landes Nordrhein-Westfalen, Essen (Germany, F.R.))
[Results of studies conducted in the forest damage areas of North Rhein-Westphalia]
1986
Radermacher, L.
[The role of the State Institute for Ecology, Landscape Development and Forestry Planning of North Rhine-Westphalia in the clarification of the causes of new types of forest dieback]
1987
Schmidt, A. (Landesanstalt fuer Oekologie, Landschaftsentwicklung und Forstplanung des Landes Nordrhein-Westfalen, Recklinghausen (Germany, F.R.))
Introduction: The problem of forest decline and the Bavarian forest toxicology research group
1989
Uhlmann, W. | Altner, H. | Schulze, E.D. | Lange, O.L.
[Studies on the virus contamination in young forest plantations and regional research stands in North Rhine-Westphalia]
1987
Niehaus, F. (Bonn Univ. (Germany, F.R.). Inst. fuer Pflanzenkrankheiten)
[The research topic of North Rhine-Westphalia on "air pollution and forest damage". - Research plan for the research programme]
1987
Koeth, I. | Prinz, B.
[On the effect of ozone and "acid fog" on the leaching of nutrients from Norway spruce]
1988
Krause, G.H.M.