@article {1518,
	title = {Recovery of macroinvertebrate species richness in acidified upland waters assessed with a field toxicity model},
	journal = {Ecological Indicators},
	volume = {37},
	year = {2014},
	pages = {341-350},
	author = {Stockdale, A. and Tipping, E. and Fjellheim, A. and Garmo, O.A. and Hildrew, A.G. and Lofts, S. and Monteith, D.T. and Ormerod, S.J. and Shilland, E.M.}
}
@article {1495,
	title = {A diagnostic biotic index for assessing acidity in sensitive streams in Britain.},
	journal = {Ecological Indicators},
	volume = {24},
	year = {2013},
	pages = {562-572},
	author = {Murphy, J.F. and Davy-Bowker, J. and McFarland, B. and Ormerod, S.J.}
}
@article {706,
	title = {Effects of experimental acidification and liming on terrestrial invertebrates: implications for calcium availability to vertebrates},
	journal = {Environmental Pollution},
	volume = {103},
	year = {1998},
	pages = {183-191},
	author = {Ormerod, S.J. and Rundle, S.D.}
}
@article {743,
	title = {Review of the impact of current and future acid deposition in Wales},
	year = {1993},
	publisher = {Institute of Terrestrial Ecology},
	address = {Bangor},
	author = {Reynolds, B. and Ormerod, S.J.}
}
@article {801,
	title = {A Review of the Likely Causal Pathways Relating the Reduced Density of Breeding Dippers Cinclus-Cinclus to the Acidification of Upland Streams},
	journal = {Environmental Pollution},
	volume = {78},
	year = {1992},
	pages = {49-55},
	author = {Tyler, S.J. and Ormerod, S.J.}
}
@article {705,
	title = {The effects of acid deposition on nature conservation in Great Britain},
	volume = {Report 26},
	year = {1991},
	pages = {p67-73},
	institution = {Nature Conservancy Council},
	chapter = {Acidification and freshwater biotas},
	address = {Peterborough},
	author = {Ormerod, S.J. and Woodin, S.J. (Eds) and Farmer, A.M. (Eds)}
}
@article {1501,
	title = {Long-term change in the suitability of welsh streams for dippers Cinclus cinclus as a result of acidification and recovery: A modelling study.},
	journal = {Environmental Pollution},
	volume = {62},
	year = {1989},
	pages = {171-182},
	author = {Ormerod, S.J. and Tyler, S.J.}
}
@article {996,
	title = {Macro-floral assemblages in upland Welsh streams in relation to acidity and their importance to invertebrates.},
	journal = {Freshwater Biology},
	volume = {18},
	year = {1987},
	pages = {545-557},
	author = {Ormerod, S.J. and Wade, K.R. and Gee, A.S.}
}
