خيارات البحث
النتائج 1 - 10 من 25
The effects of simulated acid precipitation on leaf litter quality and the growth of a detritivore in a buffered lotic system
1988
Garden, A. | Davies, R.W. (Department of Biological Sciences, University of Calgary, Alta. T2N 1N4 (Canada))
[Effects of soil conservation on trees of the city of Hamburg damaged by deicing salt]
1988
Pfeiffer, E. (Hamburg Univ. (Germany, F.R.). Ordinariat fuer Bodenkunde)
[Wood-biological studies on stress symptoms and capability of recovery of urban trees in Hamburg]
1988
Petersen, A. | Eckstein, D.
[Optimization of growth conditions of road-side trees through site preperation]
1988
Meyer-Spasche, H. (Hamburg Univ. (Germany, F.R.). Ordinariat fuer Bodenkunde)
[Identification of the vitality of road-side trees by infrared aerial photographs]
1988
Schattenberg, E.
Forest canopy transformation of atmospheric deposition
1988
Bredemeier, M. (Goettingen Univ. (Germany, F.R.). Research Centre of Forest Ecosystems and Forest Decline)
Changes in the fish community of a limed lake near Sudbury, Ontario: effects of chemical neutralization or reduced atmospheric deposition of acids?
1988
Gunn, J.M. | McMurtry, M.J. | Casselman, J.M. | Keller, W. | Powell, M.J.
Liming of lakes, rivers and catchments in Norway
1988
Rosseland, B.O. | Hindar, A.
Cooperative federal-state liming research on surface waters impacted by acidic deposition
1988
Schreiber, R.K.
[Studies on the cytoxicity of atmogene organic substances of the site "Postturm"]
1988
Meyberg, M. (Hamburg Univ. (Germany, F.R.). Inst. fuer Allgemeine Botanik) | Kappler, R. | Kristen, U.
