Long-Term Cumulative Exposure Exacerbates the Effects of Atmospheric Ammonia on an Ombrotrophic Bog: Implications for Critical Levels. Atmospheric Ammonia. :49-58.. 2009.
Nitrogen form makes a difference to the responses of a peatland to enhanced reactive nitrogen deposition [abstract]. Book of Abstracts: Joint Society of Wetland Scientists. :289.. 2011.
Potential for the Further Development and Application of Critical Levels to Assess the Environmental Impacts of Ammonia. Atmospheric Ammonia. :41-48.. 2009.
An automated wet deposition system to compare the effects of reduced and oxidised N on ombrotrophic bogs.. Water, Air and Soil Pollution: Focus. 4:197-205.. 2004.
Bioindicators of enhanced nitrogen deposition. Environmental Pollution. 126(3):353-361.. 2003.
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 deposition velocities for ammonia – from lab to field. Geophysical Research Abstracts. 10. 2008.
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.
Dry deposition of ammonia gas drives species change faster than wet deposition of ammonium ions: evidence from a long-term field manipulation. Global Change Biology. 17(12):3589-3607.. 2011.
Estimate of annual NH3 dry deposition to a fumigated ombrotrophic bog using concentration-dependent deposition velocities.. Atmospheric Environment. 42(27):6637-6646.. 2008.
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.
Quantifying dry NH3 deposition from an automated NH3 release system to ombrotrophic bog vegetation. Water, Air and Soil Pollution: Focus. 4:207-218.. 2004.
Stress responses of Calluna vulgaris to reduced and oxidised N applied under 'real world conditions'. Environmental Pollution. 154(3):404-413.. 2008.
Biomonitor methods for assessing effects of atmospheric nitrogen on statuary nature conservation sites... 2003.
The processes controlling uptake and storage of N and the effects of N deposition on semi-natural vegetation.. Nitrogen Umbrella Project.. 2003.
Terrestrial Umbrella– Effects of Eutrophication and Acidification on Terrestrial Ecosystems.. Terrestrial Umbrella Final Report.. 2007.