Recovery of macroinvertebrate species richness in acidified upland waters assessed with a field toxicity model

Stockdale, A. ; Tipping, E. ; Fjellheim, A.; Garmo, O.A. ; Hildrew, A.G. ; Lofts, S. ; Monteith, D.T.; Ormerod, S.J.; Shilland, E.M.