Murphy JF, Winterbottom JH, Orton S, Simpson GL, Shilland EM, Hildrew AG. Evidence of recovery from acidification in the macroinvertebrate assemblages of UK fresh waters: A 20-year time series. Ecological Indicators. 2014  ;37(Part B):330-340.

Battarbee RW, Shilland EM, Kernan M, Monteith DT, Curtis C. Recovery of acidified surface waters from acidification in the United Kingdom after twenty years of chemical and biological monitoring (1988?2008). Ecological Indicators. 2014  ;37(Part B):267-273.

Stockdale A, Tipping E, Fjellheim A, Garmo OA, Hildrew AG, Lofts S, Monteith DT, Ormerod SJ, Shilland EM. Recovery of macroinvertebrate species richness in acidified upland waters assessed with a field toxicity model. Ecological Indicators. 2014  ;37(Part B):341-350.

Battarbee RW, Simpson GL, Shilland EM, Flower RJ, Kreiser A, Yang H, Clarke G. Recovery of UK lakes from acidification: An assessment using combined palaeoecological and contemporary diatom assemblage data. Ecological Indicators. 2014  ;37(Part B):365-380.

Malcolm IA, Bacon PJ, Middlemas SJ, Fryer RJ, Shilland EM, Collen P. Relationships between hydrochemistry and the presence of juvenile brown trout (Salmo trutta) in headwater streams recovering from acidification. Ecological Indicators. 2014  ;37(Part B):351-364.

Monteith DT, Hildrew AG, Flower RJ, Raven PJ, Beaumont WRB, Collen P, Kreiser AM, Shilland EM, Winterbottom JH. Biological responses to the chemical recovery of acidified fresh waters in the UK. Environmental Pollution. 2005  ;137:83-101.