خيارات البحث
النتائج 81 - 90 من 219
Acidic deposition and its effects on the forests of Nordic Europe
1986
Andersson, F. (Swedish Univ. of Agricultural Sciences, Uppsala (Sweden). Dept. of Ecology and Environmental Research)
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.
Uptake of Al, Ca and P in black spruce seedlings: effect of organic versus inorganic Al in nutrient solutions
1986
Arp, P.A. (New Brunswick Univ., Fredericton (Canada)) | Ouimet, R.
The composition of precipitation at Snoqualmie Pass and Stevens Pass in the Central Cascades of Washington State
1986
Duncan, L.C. (Central Washington Univ., Ellensburg (USA)) | Welch, E.B. | Ausserer, W.
Spatial and temporal pattern of sulfate and nitrate wet deposition in Ontario
1986
Tang, A.J.S. (Ontario Ministry of the Environment, Toronto (Canada). Air Resources Branch) | Chan, W.H. | Chung, D.H.S. | Lusis, M.A.
Aquifer restoration: state of the art.
1986
Knox Robert C.
Effect of air pollution on plants = | Invloed van luchtverontreiniging op planten
1986
Posthumus, A. C.
Statement of the problems: air pollution
1986
Fenger, J.
Summarizing comments on air pollution and forest decline
1986
Henriksen, H.A.
Inventory of forest vitality in Sweden
1986
Bengtson, G.