%0 Generic %D 2014 %T Recovery of macroinvertebrate species richness in acidified upland waters assessed with a field toxicity model %A Stockdale, A. %A Tipping, E. %A Fjellheim, A. %A Garmo, O.A. %A Hildrew, A.G. %A Lofts, S. %A Monteith, D.T. %A Ormerod, S.J. %A Shilland, E.M. %B Ecological Indicators %V 37 %P 341-350 %G eng %N Part B %0 Generic %D 2013 %T A diagnostic biotic index for assessing acidity in sensitive streams in Britain. %A Murphy, J.F. %A Davy-Bowker, J. %A McFarland, B. %A Ormerod, S.J. %B Ecological Indicators %V 24 %P 562-572 %G eng %0 Generic %D 1998 %T Effects of experimental acidification and liming on terrestrial invertebrates: implications for calcium availability to vertebrates %A Ormerod, S.J. %A Rundle, S.D. %B Environmental Pollution %V 103 %P 183-191 %0 Generic %D 1993 %T Review of the impact of current and future acid deposition in Wales %A Reynolds, B. %A Ormerod, S.J. %I Institute of Terrestrial Ecology %C Bangor %0 Generic %D 1992 %T A Review of the Likely Causal Pathways Relating the Reduced Density of Breeding Dippers Cinclus-Cinclus to the Acidification of Upland Streams %A Tyler, S.J. %A Ormerod, S.J. %B Environmental Pollution %V 78 %P 49-55 %0 Report %D 1991 %T The effects of acid deposition on nature conservation in Great Britain %A Ormerod, S.J. %A Woodin, S.J. (Eds) %A Farmer, A.M. (Eds) %B NCC Focus on Nature Conservation %I Nature Conservancy Council %C Peterborough %V Report 26 %P p67-73 %& Acidification and freshwater biotas %0 Generic %D 1989 %T Long-term change in the suitability of welsh streams for dippers Cinclus cinclus as a result of acidification and recovery: A modelling study. %A Ormerod, S.J. %A Tyler, S.J. %B Environmental Pollution %V 62 %P 171-182 %G eng %0 Generic %D 1987 %T Macro-floral assemblages in upland Welsh streams in relation to acidity and their importance to invertebrates. %A Ormerod, S.J. %A Wade, K.R. %A Gee, A.S. %B Freshwater Biology %V 18 %P 545-557