خيارات البحث
النتائج 141 - 150 من 219
Effect of the quantity and duration of application of simulated acid precipitation on nitrogen mineralization and nitrification in a forest soil
1986
Klein, T.M. (Cornell Univ., Ithaca, NY (USA). Dept. of Agronomy) | Alexander, M.
DDT residues in the river Jamuna in Delhi, India
1986
Agarwal, H.C. (Delhi Univ. (India). Dept. of Zoology) | Mittal, P.K. | Menon, K.B. | Pillai, M.K.K.
Patterns of acid deposition to a Danish spruce forest
1986
Freiesleben, N.E. v. (Technical Univ. of Denmark, Lyngby (Denmark). Lab. of Environmental Sciences and Ecology) | Ridder, C. | Rasmussen, L.
Changes in fish populations in southernmost Norway during the last decade
1986
Sevaldrud, I.H. (Directorate for Nature and Management, Trondheim (Norway). Fish Research Div.) | Skogheim, O.K.
Wood from trees felled in damaged forest areas: wood quality and conversion possibilities
1986
Splawa-Neyman, S. | Strykowski, W. (Wood Technology Inst., Poznam (Poland))
Rate of transition of stands from one damage class to another
1986
Becker, M. (Freiburg Univ. (Germany, F.R.). Inst. fuer Forstpolitik und Raumordnung) | Voss, A. | Zanetti, M.
Lal's commentaries on water & air pollution laws | Commentaries on water & air pollution laws | Lal's commentaries on water and air pollution laws | Commentaries on water & air pollution | Commentaries on water and air pollution
1986
Nathuni Lal, | Asthana, K. B. | Gadi, S. K. | Ghosh, Srikanta
[Results of studies conducted in the forest damage areas of North Rhein-Westphalia]
1986
Radermacher, L.
[Open-top-chambers - field studies in the Egge mountains]
1986
Krause, G.H.M.
[Regional analysis of air pollution regarding air pollutants that are toxic and acid generating]
1986
Halbritter, G. (Kernforschungszentrum Karlsruhe G.m.b.H. (Germany, F.R.). Abt. fuer Angewandte Systemanalyse) | Braeutigam, K.-R. | Brandl, V. | Sardemann, G. | Wiesmann, F.J.