%0 Journal Article %J Environmental Pollution %D 2010 %T Direct and indirect effects of ammonia, ammonium and nitrate on phosphatase activity and carbon fluxes from decomposing litter in peatland %A Johnson, D. %A Moore, L. %A Green, S. %A Leith, I. D. %A Sheppard, L. J. %K atmospheric nitrogen deposition %K biomass %K calluna vulgaris %K dynamics %K eriophorum vaginatum %K grasslands %K heathland %K microbial activity %K nh3 %K nitrogen deposition %K ombrotrophic bog %K responses %K species richness %K sphagnum capillifolium %K vegetation %B Environmental Pollution %V 158 %P 3157-3163 %G eng %N 10