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.

Van der Wal R, Pearce ISK, Brooker RW. Mosses and the struggle for light in a nitrogen-polluted world. Oecologia . 2005  ;142 :159?168.

Pearce ISK, Woodin SJ, Van der Wal R. Physiological and growth responses of the montane bryophyte Racomitrium lanuginosum to atmospheric nitrogen deposition. New Phytologist. 2003  ;160 :145?155.