The processes controlling uptake and storage of N and the effects of N deposition on semi-natural vegetation.. Nitrogen Umbrella Project.. 2003.
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.
Early effects of atmospheric ammonia (NH3) deposition on Calluna vulgaris (L.) growing on an ombrotrophic peat bog.. Water Air and Soil Pollution. 4:229-239.. 2004.
Potassium and phosphorus additions modify the response of Sphagnum capillifolium growing on a Scottish ombrotrophic bog to enhanced nitrogen deposition.. Applied Geochemistry. 22(6):1111-1121.. 2007.