خيارات البحث
النتائج 131 - 140 من 266
Ecological and physiological responses of Atlantic salmon in acidic organic rivers of Nova Scotia, Canada
1989
Lacroix, G.L. (Fisheries and Oceans Canada, St. Andrews, N.B. (Canada). Biological Station)
Impacts of forests on water chemistry
1989
Mahendrappa, M.K. (Forestry Canada Maritimes Region, Fredericton, N.B. (Canada))
Measurements of wet and dry deposition in a northern hardwood forest
1989
Shepard, J.P. (State Univ. of New York, Syracuse, NY (USA). Coll. of Environmental Science and Forestry) | Mitchell, M.J. | Scott, T.J. | Zhang, Y.M. | Raynal, D.J.
Forest decline in the boreal montane ecosystems of the southern Appalachian mountains
1989
Bruck, R.I. (North Carolina State Univ., Raleigh, NC (USA). Dept. of Plant Pathology) | Robarge, W.P. | McDaniel, A.
Metal contamination in leaves and fruits of holm-oak (Quercus rotundifolia Lam.) trees growing in a pyrites mining area at Aljustrel, Portugal
1989
Fernandes, J.C. (Universidade Nova de Lisboa, Monte de Caparica (Portugal). Faculdade de Ciencias e Tecnologia, Plant Biology Unit) | Henriques, F.S.
Mutagenic potential of municipal sewage sludge amended soils
1989
Donnelly, K.C. (Texas A and M Univ., College Station, TX (USA). Dept. of Soil and Crop Sciences) | Brown, K.W. | Thomas, J.C.
Acid fog and ozone: their possible role in birch deterioration around the Bay of Fundy, Canada
1989
Cox, R.M. (Forestry Canada, Fredericton, N.B. (Canada). Maritimes Region) | Spavold-Tims, J. | Hughes, R.N.
Acidic deposition - extent and impact on forest soils, nutrition, growth and disease phenomena in Central Europe: a review
1989
Rehfuess, K.E. (Munich Univ. (Germany). Dept. of Soil Science)
Role of air pollution in forest decline in eastern North America
1989
Johnson, D.W. (Nevada Univ., Reno, NV (USA). Dept. of Range, Wildlife and Forestry) | Taylor, G.E.
Potential hazards of lime application in a damaged pine forest ecosystem in Berlin, Germany
1989
Marschner, B. (Technical Univ. Berlin (Germany). Dept. of Soil Science) | Stahr, K. | Renger, M.
