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结果 11-20 的 30
Reversal of acidification in upland waters of the English Lake District
1999
Tipping, E. | Carrick, T.R. | Hurley, M.A. | James, J.B. | Lawlor, A.J. | Lofts, S. | Rigg, E. | Sutcliffe, D.W. | Woof, C. (Institute of Freshwater Ecology, Ambleside, Cumbria LA22 0LP (United Kingdom))
Acid deposition in Wales: the results of the 1995 Welsh acid waters survey
1999
Reynolds, B. | Lowe, J.A.H. | Smith, R.I. | Norris, D.A. | Fowler, D. | Bell, S.A. | Stevens, P.A. | Ormerod, S.J. (Institute of Terrestrial Ecology, Bangor Research Unit, University of Wales Bangor, Deiniol Road, Bangor, Gwynedd LL57 2UP, Wales (United Kingdom))
Quantifying sources of acid neutralisation capacity depression during spring flood episodes in Northern Sweden
1999
Laudon, H. | Bishop, K.H. (Department of Forest Ecology, Swedish University of Agricultural Sciences, SE-901 83 Umea (Sweden))
Effects of nitrogen deposition on field layer vegetation in south Swedish oak forests
1998
Brunet, J. | Diekmann, M. | Falkengren-Grerup, U. (Department of Conservation Biology, Swedish University of Agricultural Sciences, Box 7002, S-750 07 Uppsala (Sweden))
Nitrogen pollution on the local scale in Lithuania: vitality of forest ecosystems
1998
Armolaitis, K. (Department of Forest Soils, Typology and Hydrology, Lithuanian Forest Research Institute, LT-4312, Kaunas-Girionys (Lithuania))
Setting international targets for controlling atmospheric emissions of pollutants - now and in the future
1998
Bull, K.R. | Hall, J.R. (ITE Monks Wood, Abbots Ripton, Huntingdon PE17 2LS (United Kingdom))
Critical loads for nitrogen deposition and their exceedance at European scale
1998
Kuylenstierna, J.C.I. | Hicks, W.K. | Cinderby, S. | Cambridge, H. (Stockholm Environment Institute at York, University of York, P.O. Box 373, York YO10 5YW (United Kingdom))
Response of six European forest sites to decided and proposed air pollutant emission reductions
1997
Walse, C. | Schopp, W. | Warfvinge, P. (Deptartment of Chemical Engineering II, Lund University, PO Box 124, 221 00 Lund (Sweden))
Impact of atmospheric deposition on the status of planted Norway spruce stands: a comparative study between sites in southern Sweden and the northeastern Czech Republic
1996
Tichy, J. (Department of Plant Pathology, University of Minnesota, 495 Borlaug Hall, 1991 Buford Circle, St. Paul, MN 55108 (USA))
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))