%0 Report %D 2003 %T Biomonitor methods for assessing effects of atmospheric nitrogen on statuary nature conservation sites. %A Sutton, M.A. %A Pitcairn, C.E.R. %A Whitfield, C. %A Leith, I.D. %A Sheppard, L.J. %A van Dijk, N. %A Tang, S. %A Skiba, U. %A Smart, S. %A Mitchell, R. %A Wolseley, P. %A James, P. %A Purvis, W. %A Fowler, D. %I JNCC contract report %C Peterborough %G eng