خيارات البحث
النتائج 121 - 130 من 219
The role of alkaline materials in precipitation chemistry: a brief review of the issues
1986
Gatz, D.F. (Illinois State Water Survey, Champaign, IL (USA)) | Barnard, W.R. | Stensland, G.J.
The influence of mycorrhizal associations on paper birch and jack pine seedlings when exposed to elevated copper, nickel or aluminum
1986
Jones, M.D. (Toronto Univ. (Canada). Dept. of Botany) | Browning, M.H.R. | Hutchinson, T.C.
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.
Forest damage - a status report on inventory methods [crown damage]
1986
Becher, G. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany, F.R.). Inst. fuer Weltforstwirtschaft)
Effects on soil and ground water of acid precipitation (corrosion and contamination of drinking water)
1986
Broemssen, U. von (Statens Naturvaardsverk, Solna (Sweden). Forsknings- och Utvecklingsavd.)
Inventory of forest damage in Sweden [needle loss, crown density]
1986
Bengtsson, G. (Sveriges Lantbruksuniv., Umeaa (Sweden). Inst. foer Skogstaxering)
