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Resultados 1-9 de 9
Balance of element supply and element fluxes in the ecosystem compartments of crown, stem, root and soil of a diseased spruce-stand at the forest-site "Postturm"
1992
Rademacher, P. (Goettingen Univ. (Germany). Forschungszentrum Waldoekosysteme) | Ullrich, B. | Michaelis, W.
Stress physiological investigations of Norway spruce at a stand in northern Germany
1992
Lalk, I. (Hamburg Univ. (Germany). Inst. fuer Allgemeine Botanik und Botanischer Garten) | Naumann, R. | Ludewig, M. | Fenner, R. | Doerffling, K.
[Experiment on the cultivtion of tree species in the Harz mountains]
1989
Weihs, U. (Goettingen Univ. (Germany, F.R.). Inst. fuer Waldbau)
(Effects of air pollution on forest ecosystems - a system-analytical attempt from the view of ecological genetics)
1994
Degen, B. | Scholz, F.
[On the securing of forest gene resources as a contribution to the preservation of the forest]
1985
Melchior, G.H. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany, F.R.). Inst. fuer Forstgenetik und Forstpflanzenzuechtung) | Muhs, H.-J. | Stephan, B.R.
[Studies on the occurrence of damaging and useful insects in afforestation sites of the Eastern Ore Mountains effected by air pollution]
1990
Pohris, V. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft) | Ness, T.
Reflectance spectra of leaves and needles as basis for the physiological evaluation of tree damage. 3. Outdoor measurements with deciduous and coniferous trees
1990
Buschmann, C. (Karlsruhe Univ. (Germany, F.R.). Botanisches Inst.) | Nagel, E. | Rang, S. | Stober, F.
Measurement of the dry deposition rates on trees by using the natural radioactivity as a tracer
1992
Schreiber, H. (Hohenheim Univ. (Germany). Inst. fuer Physik) | Jenderek, H.
[Studies in open-top-chambers on the resistance behaviour of forest trees and agricultural plant species against ozone, sulphur dioxide and nitrogen dioxide related to the nutrient supply]
1990
Kueppers, K. (Essen Univ. (Germany, F.R.). Inst. fuer Angewandte Botanik) | Henrich, P. | Machovics, A. | Guderian, R.
