Refinar búsqueda
Resultados 1-10 de 22
Throughfall deposition of nitrogen and sulfur in a Jeffrey pine forest in the San Gabriel Mountains, southern California
1999
Fenn, M.E. | Kiefer, J.W. (US Department of Agriculture, Forest Service, Pacific Southwest Research Station, Forest Fire Laboratory, 4955 Canyon Crest Drive, Riverside, CA 92507 (USA))
Changes in heavy metal contents in an acidic forest soil affected by depletion of soil organic matter within the time span 1969-93
1999
Egli, M. | Fitze, P. | Oswald, M. (Institute of Geography, University Zurich-Irchel, Winterthurerstrasse 190, CH-8057 Zurich (Switzerland))
The effect of liming and correction fertilization on heavy metal and macronutrient concentrations in soil solution in heavy-metal polluted scots pine stands
1999
Derome, J. | Saarsalmi, A. (Rovaniemi Research Station, Finnish Forest Research Institute, P.O. Box 16, FIN-96301 Rovaniemi (Finland))
Concentration levels of technetium-99 in forest soils collected within the 30-km zone around the Chernobyl reactor
1999
Uchida, S. | Tagami, K. | Wirth, E. | Ruhm, W. (Environmental and Toxicological Sciences Research Group, National Institute of Radiological Sciences, 9-1 Anagawa 4-chome, Inage-ku, Chiba-shi, 263-855 (Japan))
Horizontal distribution of copper, nickel and enchytraeid worms in polluted soil
1999
Salminen, J. | Haimi, J. (Department of Ecological and Environmental Sciences, University of Helsinki, Niemenkatu 73, FIN-15210 Lahti (Finland))
Interdependence of pH, cation exchange capacity and organically complexed Al in organic-rich acid forest soils
1999
Matschonat, G. (Hohenheim Univ., Stuttgart (Germany)) | Ross, D.S. | Lawrence, G.B.
Critical loads of acidity for forest soils: Tentative modifications
1999
Holmberg, M. | Mulder, J. | Posch, M. | Starr, M. | Forsius, M. | Johansson, M. | Bak, J. | Ilvesniemi, H. | Sverdrup, H.
The importance of selecting appropriate criteria for calculating acidity critical loads using the Simple Mass Balance equation
1999
Hall, J. | Reynolds, B. | Aherne, J. | Hornung, M.
The effect of lake water infiltration on the acidity and base cation status of forest soil
1999
Lindross, A.-J. | Derome, J. | Paavolainen, L. | Smolander, A. | Helmisaari, H.-S.
An analysis of the structure of the simple mass balance equation: implications for testing national critical loads maps
1999
Kennedy, F. (Forest Research, Farnham (UK))