TY - Generic T1 - Expansion of Sphagnum fallax in bogs: striking the balance between N and P availability Y1 - 2003 A1 - Limpens, J. A1 - Tomassen, H.B.M. A1 - Berendse, F. JF - Journal of Bryology VL - 25 ER - TY - Generic T1 - Stimulated growth of Betula pubescens and Molinia caerulea on ombrotrophic bogs: role of high levels of atmospheric nitrogen deposition Y1 - 2003 A1 - Tomassen, H.B.M. A1 - Smolders, A.J.P. A1 - Lamers, L.P.M. A1 - Roelofs, J.G.M. JF - Journal of Ecology VL - 91 ER -