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.
Effects of enhanced N deposition on Cladonia portentosa; results from a field manipulation study.. Nitrogen in the Envrionment.. 2004.
Quantifying dry NH3 deposition from an automated NH3 release system to ombrotrophic bog vegetation. Water, Air and Soil Pollution: Focus. 4:207-218.. 2004.
Bioindicators of enhanced nitrogen deposition. Environmental Pollution. 126(3):353-361.. 2003.
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.
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.