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Результаты 141-150 из 347
Nitrogen in Dutch freshwater lakes: trends and targets
1998
Molen, D.T. van der | Portielje, R. | Nobel, W.T. de | Boers, P.C.M. (Institute for Inland Water Management and Waste Water Treatment, Lelystad (Netherlands))
Nitrogen removal in buffer strips along a lowland stream in the Netherlands: a pilot study
1998
Hefting, M.M. | Klein, J.J.M. de (Department of Water Quality Management and Aquatic Ecology, Wageningen Agricultural University, P.O. Box 8080, 6700 DD Wageningen (Netherlands))
Response of a zooplankton community to insecticide application in experimental ponds: a review and the implications of the effects of chemicals on the structure and functioning of freshwater communities
1998
Hanazato, T. (Suwa Hydrobiological Station, Shinshu University, 5-2-4 Kogandori, Suwa, Nagano 392-0027 (Japan))
Application of a conceptual catchment scale nitrate transport model on two rural river basins
1998
Herpe, Y. van | Troch, P.A. | Callewier, L. | Quinn, P.F. (Laboratory of Hydrology and Water Management, University of Gent, Gent (Belgium))
Feasibility of national nitrogen balances
1998
Slak, M.F. | Commagnac, L. | Lucas, S. (ENITA de Bordeaux, Laboratoire Sols et Paysages (France))
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))
The EU acidification strategy: sensitivity of calculated emission ceilings for nitrogen and sulphur for Denmark
1998
Bak, J. | Tybirk, K. (National Environmental Research Institute, Department of Terrestrial Ecology, Vejlsoevej 25, DK-8600, Silkeborg (Denmark))
Evaluation of ammonia emission abatement on the basis of measurements and model calculations
1998
Erisman, J.W. | Bleeker, A. | Jaarsveld, J.A. van (ECN, P.O. Box 1, 1755 ZG Petten (Netherlands))
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))