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结果 221-230 的 322
Effects of atmospheric nitrogen deposition on semi-natural ecosystems
1999
Lee, J.A. (Sheffield Univ. (UK))
Aluminium: The need for a re-evaluation of its solubility and toxicity in mature spruce stands
1999
Wit, H.A. de (Norwegian Forest Research Inst., Aas (Norway)) | Mulder, J. | Nygaard, P.H. | Aamlid, D. | Huse, M. | Kortnes, E.
GANE: the UK Global Nitrogen Enrichment Programme
1999
Davison, A.
Base cation weathering rates in the Hietajaervi integrated monitoring catchment
1999
Starr, M. | Lindroos, A.-J. (Finnish Forest Research Inst., Vantaa (Finland)) | Tarvainen, T. | Tanskanen, H.
Critical loads for forest soils in Wallonia, south Belgium
1999
Bosman, B. | Carnol, M. | Remacle, J. (Liege Univ. (Belgium))
Fluxes of NO3-, NH4+, NO, NO2, HNO3-, N2O and organic N in an old Danish beech forest [HNO3]
1999
Rasmussen, L. | Beier, C. | Pilegaard, K. | Ambus, P. | Mikkelsen, T. | Jensen, N.O. (Risoe National Lab., Roskilde (Denmark)) | Kjoeller, A. | Ladekarl, U.L.
Changed tree nutrient status, soil conditions, parasite attacks and earthworm performance in afforestation plots treated with N
1999
Flueckiger, W. | Hiltbrunner, E. | Braun, S.
Investigating the use of larger scale maps for mapping the potential sensitivity of surface waters to acidification
1999
Ullyett, J.M. (Institute of Terrestrial Ecology, Huntingdon (UK)) | Hornung, M. | Hall, J.R. | Kernan, M.
High immobilization and stabilization of ammonium in Danish heath moor layers?
1999
Kristensen, H.L. (Danmarks Miljoeundersoegelser, Silkeborg (Denmark))
Effect-based control strategies: what do we need in the future?
1999
Grennfelt, P.