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Experimental calibration of Ellenberg's indicator value for nitrogen
1998
Wamelink, G.W.W. | Dobben, H.F. van | Eerden, L.J.M. van der (Institute of Forestry and Nature Research, P.O. Box 23, 6700 AA Wageningen (Netherlands))
Department for Environment, Food and Rural Affairs - United Kingdom
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms
1998
Pitcairn, C.E.R. | Leith, I.D. | Sheppard, L.J. | Sutton, M.A. | Fowler, D. | Munro, R.C. | Tang, S. | Wilson, D. (Institute of Terrestrial Ecology, Bush Estate, Penicuik, Midlothian, EH26 0QB (United Kingdom))
Department for Environment, Food and Rural Affairs - United Kingdom
Effects of acidic precipitation, fertilization and liming on the ground vegetation in coniferous forests of southern Germany
1992
Rodenkirchen, H. (Munich Univ. (Germany). Chair of Soil Science)
Wageningen University & Research - Netherlands