خيارات البحث
النتائج 191 - 200 من 219
Possible consequences of forest decline. Ecological and political points of view
1986
Niesslein, E. (Freiburg Univ. (Germany, F.R.). Inst. fuer Forstpolitik und Raumordnung) | Tampe-Oloff, M.
[Effect-related survey of certain forest damage areas of Baden-Wuerttemberg, regarding air pollution stress, by means of bioindicators (active monitoring of indicator plants)]
1986
Pilgram, C. (Hohenheim Univ., Stuttgart (Germany, F.R.). Inst. fuer Landeskultur und Pflanzenoekologie) | Arndt, U. | Schlueter, C.
Tritium based investigations into the water transport and water turnovers in spruce trees
1986
Strack, S. (Kernforschungszentrum Karlsruhe G.m.b.H. (Germany, F.R.). Hauptabteilung Sicherheit) | Unger, H.
Pollutant effects on the conformation of chlorophyll-protein complexes in forest trees suffering from air pollutant stress. Part II: Pigment content and characteristics of the light-harvesting chlorophyll-a/b-protein complex in needles of healthy and damaged spruce trees in the area Kaelbelescheuer (Southern Black Forest)
1986
Siefermann-Harms, D. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Chemische Pflanzenphysiologie) | Ninnemann, H.
Litter decomposition and litter decomposing soil microfauna in forest ecosystems
1986
Herlitzius, H. (Ulm Univ. (Germany, F.R.). Abt. Oekologie und Morphologie der Tiere) | Bernhard, M. | Borin, A. | Funke, W. | Jans, W.
[Anatomical and histochemical studies on the clarification of biotic agents' occurrence in forest dieback]
1986
Fink, S. (Freiburg Univ. (Germany, F.R.). Inst. fuer Forstbotanik und Holzbiologie)
Comparative investigations of fine root system and the anatomy of mycorrhizae after dry stress and artificial fertilization
1986
Oberwinkler, F. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie) | Kottke, I. | Ritter, T. | Feil, W.
Investigations on the role of macro- and micromineral nutrients and of other elements in the decline of forest trees
1986
Krivan, V. (Ulm Univ. (Germany, F.R.). Sektion Analytik und Hoechstreinigung) | Schaldach, G. | Hausbeck, R. | Luettge, U. | Kreutzer, K.
[Energy balance of differently damaged Norway spruce needles in the course of the year]
1986
Benz, T. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie) | Hampp, R.
Qualitative and quantitative dependence of the fructification of mycorrhizae fungi on artificial fertilization, immission and tree damage in spruce sites in the Black Forest
1986
Mueller, C. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie) | Oberwinkler, F.
