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.
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.
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.