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Can ammonia tolerance amongst lichen functional groups be explained by physiological responses? Environmental Pollution. 187:206-209.. 2014.
Climatic modifiers of the response to nitrogen deposition in peat-forming Sphagnum mosses: a meta-analysis. New Phytologist. 191(2):496-507.. 2011.
A comparison of impacts of N deposition applied as NH3 or as NH4Cl on ombrotrophic mire vegetation. Special Edition Responses of Plant Metabolism to Air Pollution and Global Change. 42(3):83-88.. 2002.
Concentration-dependent NH3 deposition processes for mixed moorland semi-natural vegetation. Atmospheric Environment. 41(10):2049-2061.. 2007.
Concentration-dependent NH3 deposition processes for moorland plant species with and without stomata. Atmospheric Environment. 41(39):8980-8994.. 2007.
Correlating the spatial distribution of atmospheric ammonia with δ15n values at an ammonia release site. Water, Air and Soil Pollution: Focus. 4(6):219-228.. 2005.
Direct and indirect effects of ammonia, ammonium and nitrate on phosphatase activity and carbon fluxes from decomposing litter in peatland. Environmental Pollution. 158(10):3157-3163.. 2010.
Early effects of atmospheric ammonia deposition on Calluna vulgaris (L.) hull growing on an ombrotrophic peat bog. Water, Air and Soil Pollution: Focus. 4(6):229-239.. 2005.
Evidence for changing the critical level for ammonia. Environmental Pollution. 157(3):1033-1037.. 2009.
Glasshouse vs field experiments: do they yield ecologically similar results for assessing N impacts on peat mosses? New Phytologist. 195(2):404-418.. 2012.
Heathland vegetation as a bio-monitor for nitrogen deposition and source attribution using delta N-15 values. Atmospheric Environment. 40(3):498-507.. 2006.
Physiological and morphological effects of long-term ammonium or nitrate deposition on the green and red (shade and open grown) Sphagnum capillifolium. Environmental and Experimental Botany. 72(2):140-148.. 2011.
Quantification of uncertainty in trace gas fluxes measured by the static chamber method. European Journal of Soil Science. 62(6):811-821.. 2011.
Stress responses of Calluna vulgaris to reduced and oxidised N applied under 'real world conditions'. Environmental Pollution. 154(3):404-413.. 2008.
Synthesizing greenhouse gas fluxes across nine European peatlands and shrublands - responses to climatic and environmental changes. Biogeosciences. 9(10):3739-3755.. 2012.