Armitage HF, Britton AJ, Van der Wal R, Woodin SJ. Grazing exclusion and phosphorus addition as potential local management options for the restoration of alpine moss-sedge heath. Biological Conservation. 2012  ;153:17-24.

Armitage HF, Britton AJ, Van der Wal R, Pearce ISK, Thompson DBA, Woodin SJ. Nitrogen deposition enhances moss growth but leads to an overall decline in habitat condition of mountain moss-sedge heath. Global Change Biology. 2012  ;18(1):290-300.

Armitage HF, Britton AJ, Woodin SJ, Van der Wal R. Assessing the recovery potential of alpine moss-sedge heath: reciprocal transplants along a nitrogen deposition gradient. Environmental Pollution. 2011  ;159:140- 147.