Terrestrial Umbrella - Effects of eutrophication and acidification on terrestrial ecosystems. Annual Report 2009.. 2009.
Refinement and testing of bio-monitoring methods and development of protocols, for assessing impacts of atmospheric nitrogen deposition or concentrations 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.
New science on the effects of nitrogen deposition and concentrations on Natura 2000 sites (theme 3): working group report. Nitrogen deposition and Natura 2000: Science and practice in determining environmental impacts. :129-136.. 2011.
New science on the effects of nitrogen deposition and concentrations on Natura 2000 sites (theme 3): background documement. Nitrogen deposition and Natura 2000: Science and practice in determining environmental impacts. :115-129.. 2011.
Evaluation of nitrogen indicators on ombrotrophic acid bogs: observations from a nitrogen manipulation study. Nitrogen deposition and Natura 2000: Science and practice in determining environmental impacts. :190-200.. 2011.
Biomonitor methods for assessing effects of atmospheric nitrogen on statuary nature conservation sites... 2003.
All forms of reactive nitrogen deposition to Natura 2000 sites should not be treated equally: effects of wet versus dry and reduced versus oxidised nitrogen deposition. Nitrogen deposition and Natura 2000: Science and practice in determining environmental impacts. :181-190.. 2011.
Turnover of labile and recalcitrant soil carbon differ in response to nitrate and ammonium deposition in an ombrotrophic peatland.. Global Change Biology. 16:2307-2321.. 2010.
Response of Sphagnum papillosum and Drosera rotundifolia to Reduced and Oxidized Wet Nitrogen Deposition. Folia Geobotanica. 47(2). 2012.
Response of enchytraeid worm populations to different forms of nitrogen (ammonia, ammonium, and nitrate) deposition.. Soil Organisms. 81(2):225-236.. 2009.
Quantifying dry NH3 deposition from an automated NH3 release system to ombrotrophic bog vegetation. Water, Air and Soil Pollution: Focus. 4:207-218.. 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.
PK additions modify the effects of N dose and form on species composition, species litter chemistry and peat chemistry in a Scottish peatland. Biogeochemistry. 116(1-3):39-53.. 2013.
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.
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.
Five years of simulated atmospheric nitrogen deposition have only subtle effects on the fate of newly synthesized carbon in Calluna vulgaris and Eriophorum vaginatum.. Soil Biology & Biochemistry. 43(3):495-502.. 2011.
Estimate of annual NH3 dry deposition to a fumigated ombrotrophic bog using concentration-dependent deposition velocities.. Atmospheric Environment. 42(27):6637-6646.. 2008.
Effects of NH3 Fumigation on the Frost Hardiness of Calluna- Does N Deposition Increase Winter Damage by Frost? Phyton. 42:183-190.. 2002.
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.
Directional passive ambient air monitoring of ammonia for fugitive source attribution; a field trial with wind tunnel characteristics.. Atmospheric Environment. 167:576-585.. 2017.
Correlating the spatial distribution of atmospheric ammonia with delta N-15 values at an ammonia release site. Water, Air and Soil Pollution: Focus. 4:219-228.. 2004.
Concentration-dependent deposition velocities for ammonia – from lab to field. Geophysical Research Abstracts. 10. 2008.
Bioindicators of enhanced nitrogen deposition. Environmental Pollution. 126(3):353-361.. 2003.