TY - Generic T1 - Contribution of acidification and eutrophication to declines in species richness of calcifuges grasslands along a gradient of atmospheric nitrogen deposition. Y1 - 2010 A1 - Stevens, C.J. A1 - Thompson, K. A1 - Grime, J.P. A1 - Long, C.J. A1 - Gowing, D.J.G. JF - Functional Ecology VL - 24 ER -