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结果 31-40 的 52
Concentrations of cadmium, lead and sulphur in tissues of wild, forest reindeer from north-west Russia
1995
Medvedev, N. (Laboratory of Nature Protection, Forest Research Institute, Karelian Scientific Centre, Pushkinskaja Street, 11, Petrozavodsk, 185000 Karelia (Russian Federation))
Effect of acidic deposition on forested Andisols in the Tama Hill region of Japan
1995
Baba, M. | Okazaki, M. | Hashitani, T. (Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183 (Japan))
Nitrogen saturation induced during winter by experimental NH4NO3 addition to a forested catchment
1994
Hultberg, H. | Dise, N.B. | Wright, R.F. | Andersson, I. | Nystrom, U. (Swedish Environmental Research Institute (IVL), Department of Ecology and Environmental Research, Box 47086, 40258 Gothenberg (Sweden))
Relationships of ozone exposure to pine injury in the Sierra Nevada and San Bernardino Mountains of California, USA
1998
Arbaugh, M.J. | Miller, P.R. | Carroll, J.J. | Takemoto, B. | Procter, T. (Riverside Fire Laboratory, Pacific Southwest Research Station, USDA Forest Service, 4955 Canyon Crest Drive, Riverside, CA (USA))
Regional mass budgets of oxidized and reduced nitrogen and their relative contribution to the nitrogen inputs of sensitive ecosystems
1998
Fowler, D. | Sutton, M.A. | Smith, R.I. | Pitcairn, C.E.R. | Coyle, M. | Campbell, G. | Stedman, J. (Institute of Terrestrial Ecology, Edinburgh, Bush Estate, Penicuik, Midlothian, EH26 0QB (United Kingdom))
Nitrogen deposition in Canada's Boreal Shield: implications for the Kyoto Protocol
1998
Brydges, T.G. (39 Elizabeth Street South, Brampton, Ontario, Canada L6Y 1RR2 (Canada))
Urban woodlands: their role in reducing the effects of particulate pollution
1998
Beckett, K.P. | Freer-Smith, P.H. | Taylor, G. (School of Biological Sciences, University of Sussex, Falmer, Brighton, East Sussex BN1 9QG (United Kingdom))
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification
1998
Fluckiger, W. | Braun, S. (Institute for Applied Plant Biology, CH-4124 Schonenbuch (Switzerland))
Nitrogen mineralisation in deciduous forest soils in south Sweden in gradients of soil acidity and deposition
1998
Falkengren-Grerup, U. | Brunet, J. | Diekmann, M. (Department of Plant Ecology, Ecology Building, Lund University, S-223 62 Lund (Sweden))
Optimizing air quality management in Europe and North America: justification for integrated management of both oxidized and reduced forms of nitrogen
1998
Cowling, E.B. | Erisman, J.W. | Smeulders, S.M. | Holman, S.C. | Nicholson, B.M. (College of Forest Resources, North Carolina State University, Box 8002, Raleigh, NC 27695 (USA))
