@article {1299, title = {Collation of evidence of nitrogen impacts on vegetation in relation to UK biodiversity objectives}, year = {2011}, institution = {JNCC}, issn = {447}, author = {Stevens, C.J. and Smart, S.M. and Henrys, P. and Maskell, L.C. and Walker, K.J. and Preston, C.D. and Crowe, A. and Rowe, E. and Gowing, D.J. and Emmett, B.A.} }