%0 Generic %D 2003 %T The interactions between plant growth, vegetation structure and soil processes in semi-natural acidic and calcareous grasslands receiving long-term inputs of simulated pollutant nitrogen deposition %A Carroll, J.A. %A Caporn, S.J.M %A Johnson, D. %A Morecroft, M.D. %A Lee, J.A. %B Environmental Pollution %V 121 %N 3 %0 Generic %D 2000 %T The effect of long-term nitrogen additions on the bryophyte cover of upland acidic grassland %A Carroll, J.A. %A Johnson, D. %A Morecroft, M.D. %A Taylor, A.G. %A Caporn, S.J.M %A Lee, J.A. %B Journal Bryology %V 22 %P 83-89 %0 Generic %D 1999 %T The effects of quantity and duration of simulated pollutant nitrogen deposition on root-surface phosphatase activities in Calcareous and acid grasslands: a bioassay approach %A Johnson, D. %A Leake, J.R. %A Lee, J.A. %B New Phytol %V 141 %P 433-442 %0 Book Section %D 1998 %T Bryology for the Twenty-first Century %A Lee, J.A. %A Caporn, S.J.M %A Carroll, J. %A Foot, J.P. %A Johnson, D. %A Potter, L. %A Taylor, A.F.S. %A Bates, J.W. (Eds) %A Ashton, N.W. (Eds) %A Ducken, J.G. %P 331-341 %& Effects of ozone and atmospheric nitrogen deposition on bryophytes %0 Report %D 1997 %T Natural vegetation responses to atmospheric nitrogen deposition - critical levels and loads of nitrogen for vegetation growing on contrasting native soils %A Carroll, J.A. %A Caporn, S.J.M. %A Morecrof, M.D. %A Lee, J.A. %A Johnson, D. %A Taylor, A. %A Leake, J.R. %A Campbell, C.D. %A Cawley, L. %A Lei, Y. %A Read, D.J. %I University of Sheneld %C Sheneld %G eng