New science on the effects of nitrogen deposition and concentrations on Natura 2000 sites (theme 3): background documement. Nitrogen deposition and Natura 2000: Science and practice in determining environmental impacts. :115-129.. 2011.
Glasshouse vs field experiments: do they yield ecologically similar results for assessing N impacts on peat mosses? New Phytologist. 195(2):404-418.. 2012.
Climatic modifiers of the response to nitrogen deposition in peat-forming Sphagnum mosses: a meta-analysis. New Phytologist. 191(2):496-507.. 2011.
New science on the effects of N deposition and concentrations on Natura 2000 sites, including bio-indicators, effects of N-form (e.g., NHx vs NOy), and the relationships between critical thresholds and biodiversity loss.. Workshop at the Bedford Hotel and Conference Centre, Brussels.. 2009.