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结果 301-310 的 329
[Studies on adaption processes of birch populations by means of isoenzyme-marker genes]
1990
Scholz, F. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Grosshansdorf (Germany, F.R.). Inst. fuer Forstgenetik und Forstpflanzenzuechtung) | Geburek, T.
[Forest ecosystems near urban areas. Sub project 1.3.: Photosynthesis water supply, biomass production and plant extractives]
1990
Cornelius, R. | Faensen-Thiebes, A.
[Studies on the effects and optimization of liming measures von vitality, nutrient supply and soil quality of Norway spruce and European beech stands. The influence of liming on biological and chemical parameters of an acid brown soil site as substrate of Norway spruce]
1990
Koerdel, W. | Kloeppel, H. | Fabig, W. | Kaltz, A.
[Forest ecosystems near urban areas. Sub project 2.7: Spatial and chronological differentiation of the understorey tree layers of Berlin forests with special regard to the direct and indirect effects of air pollutants]
1990
Sukopp, H. (Technische Univ. Berlin (Germany, F.R.). Inst. fuer Oekologie) | Seidling, W.
[Sudies on the ratio of stable sulphur 32 S and 34 S (delta 34 S - value) isotopes in forests damaged by air pollution]
1990
Jaeger, H.J. | Giesemann, A.
[Change of vegetation at the alpine timberline]
1990
Blaschke, H. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Forstbotanik) | Dotzler, M. | Kohler, U. | Paul, L. | Mack, P. | Stoelting, R. | Schuett, P.
[Physiological, biochemical and cytomorphological studies with Norway spruce trees effected by air pollution]
1990
Wild, A. | Forschner, W. | Dietz, B. | Rosenkranz, T. | Sabel, P. | Schmitt, V.
[Forest ecosystems near urban areas. Sub project 1.8: Recording and analysis of microbial activities in differentiated soil areas]
1990
Kraepelin, G. (Technische Univ. Berlin (Germany, F.R.). Inst. fuer Biochemie und Molekulare Biologie, Botanik und Mikrobiologische Chemie) | Brose, A. | Peters, M. | Niemann, H. | Trautmann, C.
[Recording of reactive atmospherical trace elements near damaged respectively endangered forest stands (Basis subject: Determination of certain organic trace elements)]
1990
Schilling, M. (Dortmund Univ. (Germany, F.R.). Inst. fuer Spektrochemie und AngewandteSpektroskopie) | Hoffmann, T. | Klockow, D.
The Hohenheim long-term experiment: Effects of ozone, sulphur dioxide and simulated acidic precipitation on tree species in a microcosm 全文
1990