Critical Levels for Ammonia. Atmospheric Ammonia. :375-382.. 2009.
Long-Term Cumulative Exposure Exacerbates the Effects of Atmospheric Ammonia on an Ombrotrophic Bog: Implications for Critical Levels. Atmospheric Ammonia. :49-58.. 2009.
Potential for the Further Development and Application of Critical Levels to Assess the Environmental Impacts of Ammonia. Atmospheric Ammonia. :41-48.. 2009.
Reassessment of Critical Levels for Atmospheric Ammonia. Atmospheric Ammonia. :15-40.. 2009.
Standardised Grasses as Biomonitors of Ammonia Pollution Around Agricultural Point Sources. Atmospheric Ammonia. :269-279.. 2009.
The ability of contrasting ericaceous ecosystems to buffer nitrogen leaching. Mires and Peat. 11:Article5.. 2013.
Ammonia exposure promotes algal biomass in an ombrotrophic peatland. Soil Biology & Biochemistry. 57:936-938.. 2013.
Applying metabolic fingerprinting to ecology: The use of Fourier-transform infrared spectroscopy for the rapid screening of plant responses to N deposition. Water, Air and Soil Pollution: Focus. 4(6):251-258.. 2005.
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.
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.
Does elevated nitrogen deposition or ecosystem recovery from acidification drive increased dissolved organic carbon loss from upland soil? A review of evidence from field nitrogen addition experiments Biogeochemistry. 91(1):13-35.. 2008.
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.
Estimation of nitrogen budgets for contrasting catchments at the landscape scale. Biogeosciences. 10(1):119-133.. 2013.
Evidence for changing the critical level for ammonia. Environmental Pollution. 157(3):1033-1037.. 2009.
Fate of N in a peatland, Whim bog: immobilisation in the vegetation and peat, leakage into pore water and losses as N2O depend on the form of N. Biogeosciences. 10(1):149-160.. 2013.
Glasshouse vs field experiments: do they yield ecologically similar results for assessing N impacts on peat mosses? New Phytologist. 195(2):404-418.. 2012.
Heterogeneity of atmospheric ammonia at the landscape scale and consequences for environmental impact assessment. Environmental Pollution. 179:120-131.. 2013.
Impacts of atmospheric nitrogen deposition: responses of multiple plant and soil parameters across contrasting ecosystems in long-term field experiments. Global Change Biology. 18(4):1197-1215.. 2012.
Inertia in an ombrotrophic bog ecosystem in response to 9 years' realistic perturbation by wet deposition of nitrogen, separated by form. Global Change Biology. 20(2):566-580.. 2014.
Long-term enhanced nitrogen deposition increases ecosystem respiration and carbon loss from a Sphagnum bog in the Scottish Borders. Environmental and Experimental Botany. 90:53-61.. 2013.
Methane emissions from soils: synthesis and analysis of a large UK data set. Global Change Biology. 18(5):1657-1669.. 2012.
Methane indicator values for peatlands: a comparison of species and functional groups. Global Change Biology. 19(4):1141-1150.. 2013.
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.