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