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Resultados 181-190 de 266
Vegetation, soils and ion transfer through the forest canopy in two Nova Scotia lake basins
1989
Percy, K.E. (Forestry Canada Maritimes Region, Fredericton, N.B. (Canada))
Elemental leaching from Quercus ilex L. in response to simulated acidic fog
1989
Paoletti, E. (Firenze Univ. (Italy). Dept. of Vegetal Biology, Lab. of Forest Botany) | Udisti, R. | Pantani, F. | Barbolani, E.
Nutient leaching from dormant trees at an elevated site
1989
Schuepp, P.H. (McGill Univ., Ste. Anne-de-Bellevue, Que. (Canada). Macdonald Coll., Dept. of Renewable Resources) | Hendershot, W.H.
Sources of acidity in forest-floor percolate from a maple-birch ecosystem
1989
Hazlett, P.W. (Forestry Canada Ontario Region, Sault Ste. Marie, Ont. (Canada). Great Lakes Forestry Centre) | Foster, N.W.
Changes in foliar elements in red spruce seedlings after exposure to sulfuric and nitric acid mist
1989
Jacobson, J.S. (Boyce Thompson Inst. for Plant Research, Ithaca, NY (USA)) | Lassoie, J.P. | Osmeloski, J. | Yamada, K.
Trace element concentrations in fish from three Adirondack lakes with different pH values
1989
Heit, M. (Environmental Measurement Lab. USDE, New York (USA)) | Schofield, C. | Driscoll, C.T. | Hodgkiss, S.S.
Total sulfur content in the humus layer of urban polluted forest soils
1989
Ohtonen, R. (Oulu Univ. (Finland). Dept. of Botany) | Markkola, A.M. | Torvela, H.
Cadmium soil sorption at low concentrations, 8: Correlation with soil parameters
1989
Christensen, T.H. (Technical Univ. of Denmark, Lyngby (Denmark). Dept. of Environmental Engineering)
A two-year experience on 15N-urea fertilization of a corn field amended with fly ash
1989
Cervelli, S. (Institute of Soil Chemistry, Pisa (Italy)) | Di Giovanni, F. | Perna, A. | Petruzzelli, G.
Heavy-metal ecology of terrestrial plants, microorganisms and invertebrates
1989
Tyler, G. (Lund Univ. (Sweden). Dept. of Plant Ecology) | Balsberg Paahlsson, A.M. | Bengtsson, G. | Baaaath, E. | Tranvik, L.
