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Результаты 301-310 из 329
[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.
[Forest ecosystems near urban areas. Sub project 1.3.: Photosynthesis water supply, biomass production and plant extractives]
1990
Cornelius, R. | Faensen-Thiebes, A.
L' etat de la pollution atmospherique transfrontiere. Rapport redige dans le cadre de la Convention sur la pollution atmospherique transfrontiere a longue distance.
1990
National water quality inventory
1990
Mayio, Alice
[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.
[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.
[Anthrogogenic air pollutants as stress factors of terrestric ecosystems and ways to reduce their damaging effects. Sub programme: effects of lower influences of gaseous pollutants on Norway spruce clones studied in open-top-chambers and in the field]
1990
Debus, R. | Euteneuer-Macher, T.
[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.
The Hohenheim long-term experiment: Effects of ozone, sulphur dioxide and simulated acidic precipitation on tree species in a microcosm Полный текст
1990
