@article {1708,
	title = {Detecting changes in epiphytic lichen communities at sites affected by atmospheric ammonia from agricultural sources},
	journal = {Lichenologist},
	volume = {38},
	year = {2006},
	pages = {161-176},
	keywords = {acidophytes, air, ammonia, bark ph, deposition, dispersion, impacts, lichens, netherlands, nitrophytes, oak trees, pollution, recolonization, spatial variability, woodland},
	author = {Wolseley, P. A. and James, P. W. and Theobald, M. R. and Sutton, M. A.}
}
