TY - Generic T1 - Ecosystem responses to reduced and oxidised nitrogen inputs in European terrestrial habitats Y1 - 2011 A1 - Stevens, C.J. A1 - Manning, P. A1 - Van Den Berg, L.J.L. A1 - De Graaf, M.C.C. A1 - Wamelink, G.W.W. A1 - Boxman, A.W. A1 - Bleeker, A. A1 - Vergeer, P. A1 - Arroniz-Crespo, M. A1 - Limpens, J. A1 - Lamerse, L.P.M. A1 - Bobbink, R. A1 - Dorland, E. JF - Environmental Pollution VL - 159 ER - TY - Generic T1 - Direct and indirect effects of nitrogen deposition on species composition change in calcareous grasslands Y1 - 2010 A1 - Van Den Berg, L.J.L. A1 - Vergeer, P. A1 - Rich, T.C.G. A1 - Smart, S.M. A1 - Guest, D. A1 - Ashmore, M.R. JF - Global Change Biology VL - 17 ER - TY - Generic T1 - Decline of acidā€sensitive plant species in heathland can be attributed to ammonium toxicity in combination with low pH. Y1 - 2005 A1 - Van Den Berg, L.J. A1 - Dorland, E. A1 - Vergeer, P. A1 - Hart, M.A.C. A1 - Bobbink, R. A1 - Roelofs, J.G. JF - New Phytologist VL - 166 IS - 2 ER -