TY - RPRT T1 - Collation of evidence of nitrogen impacts on vegetation in relation to UK biodiversity objectives Y1 - 2011 A1 - Stevens, C.J. A1 - Smart, S.M. A1 - Henrys, P. A1 - Maskell, L.C. A1 - Walker, K.J. A1 - Preston, C.D. A1 - Crowe, A. A1 - Rowe, E. A1 - Gowing, D.J. A1 - Emmett, B.A. PB - JNCC ER -