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Defra. Mapping Critical Levels for Vegetation: Chapter 3.; 2017. Available from: https://icpvegetation.ceh.ac.uk/publications/documents/FinalnewChapter3v4Oct2017_000.pdf

Fuhrer J, Martin MVal, Mills G, Heald CL, Harmens H, Hayes F, Sharps K, Bender J, Ashmore MR. Current and future ozone risks to global terrestrial biodiversity and ecosystem processes. Ecology and Evolution. 2016  ;6(24C):8785 - 8799.

Yamaguchi M, Otani Y, Li P, Nagao H, Lenggoro IW, Ishida A, Yazaki K, Nogucki K, Nakaba S, Yamane K, et al. Effects of long-term exposure to ammonium sulfate particles on growth and gas exchange rates of Fagus crenata, Castanopsis sieboldii, Larix kaempferi and Cryptomeria japonica seedlings. Atmospheric Environment. 2014  :1-8.

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Sheppard LJ, Leith ID, Mizunuma T, Leeson S, Kivimaki S, Cape JN, van Dijk N, Leaver D, Sutton MA, Fowler D, et al. Inertia in an ombrotrophic bog ecosystem in response to 9 years' realistic perturbation by wet deposition of nitrogen, separated by form. Global Change Biology. 2014  ;20(2):566-580.

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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.

Jones L, Provins A, Harper-Simmonds L, Holland M, Mills G, Hayes F, Emmett BA, Hall J, Sheppard LG, Smith R, et al. A review and application of the evidence for nitrogen impacts on ecosystem services. Ecosystem Services. 2014  ;7:76-88.

Monteith DT, Evans CD, Henrys PA, Simpson GL, Malcolm IA. Trends in the hydrochemistry of acid-sensitive surface waters in the UK 1988?2008. Ecological Indicators. 2014  ;(Part B):287-303.

Jones MLM, Provins A, Harper-Simmonds L, Holland M, Mills G, Hayes F, Emmett BA, Hall J, Sheppard LJ, Smith R, et al. Using the Ecosystems Services Approach to value air quality. DEFRA; 2014.

Derwent RG, Manning AJ, Simmonds PG, Spain TG, O'Doherty S. Analysis and interpretation of 25 years of ozone observations at the Mace Head Atmospheric Research Station on the Atlantic Ocean coast of Ireland from 1987 to 2012. Atmospheric Environment. 2013  ;80:361-368.

Murphy JF, Davy-Bowker J, McFarland B, Ormerod SJ. A diagnostic biotic index for assessing acidity in sensitive streams in Britain. Ecological Indicators. 2013  ;24:562-572.

Sickman JO, Bennett DM, Lucero DM, Whitmore TJ, Kenney WF. Diatom-inference models for acid neutralizing capacity and nitrate based on 41 calibration lakes in the Sierra Nevada, California, USA. Journal of Paleolimnology. 2013  ;50(2):159-174.

Sheppard LJ, Leith ID, Mizunuma T, Leeson S, Kivimaki SK, Cape JN, van Dijk N, Leaver D, Sutton MA, Fowler D, et al. Inertia in an ombrotrophic bog ecosystem in response to nine years? realistic perturbation by wet deposition of nitrogen, separated by form. Global change Biology . 2013  .

Jenkins GB, Woodward G, Hildrew AG. Long-term amelioration of acidity accelerates decomposition in headwater streams. Global Change Biology. 2013  ;19:1100-1106.

Andersen R, Chapman S, Artz RRE. Microbial communities in natural and disturbed peatlands: A review. Soil Biology & Biochemistry . 2013  ;57:979-994.

Tipping E, Henrys PA, Maskell LC, Smart SM. Nitrogen deposition effects on plant species diversity; threshold loads. Environmental Pollution. 2013  ;179:218-223.

Mills G, Wagg S, Harmens H. Ozone pollution: Impacts on ecosystem services and biodiversity. Bangor, UK.: Centre for Ecology and Hydrology; 2013. Available from: http://icpvegetation.ceh.ac.uk/publications/thematic.html.

Sheppard LJ, Leith ID, van Dijk N, Leeson S, Mizunuma T, De Bakker R, Elustando DEV, Gomez HG. PK additions modify the effects of N dose and form on species composition, species litter chemistry and peat chemistry in a Scottish peatland. Biogeochemistry. 2013  ;116:39-53.

Wagg S, Mills G, Hayes F, Wilkinson S, Davies WJ. Stomata are less responsive to environmental stimuli in high background ozone in Dactylis glomerata and Ranunculus acris. Environmental Pollution. 2013  ;175:82-91.

Harmens H, Foan L, Simon V, Mills G. Terrestrial mosses as biomonitors of atmospheric POPs pollution: A review. Environmental Pollution. 2013  ;173:245-254.

Jones L, Nizam MS, Reynolds B, Oxley ERB, Bareham S. Upwind impacts of ammonia from an intensive poultry unit. Environmental Pollution. 2013  .

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Wedlich KV, Rintoul N, Peacock S, Cape NJ, Coyle M, Toet S, Barnes J, Ashmore M. Effects of ozone on species composition in an upland grassland. Oecologia. 2012  ;168:1137-1146.

Armitage HF, Britton AJ, Van der Wal R, Woodin SJ. Grazing exclusion and phosphorus addition as potential local management options for the restoration of alpine moss-sedge heath. Biological Conservation. 2012  ;153:17-24.

Ayris PM, Delmelle P. The immediate environmental effects of tephra emission. Bulletin of Volcanology. 2012  ;74:1905-1936.

Boorman LA, Hazelden J. Impacts of additional aerial inputs of nitrogen to salt marsh and transitional habitats. Bangor: Countryside Council for Wales; 2012 p. 44.

Phoenix GK, Emmett BA, Britton AJ, Caporn SJM, Dise NB, Helliwell R, Jones MLM, Leake JR, Leith ID, Sheppard LJ, et al. Impacts of atmospheric nitrogen deposition: responses of multiple plant and soil parameters across contrasting ecosystems in long-term field experiments. Global Change Biology. 2012  ;18:1197-1215.

Armitage HF, Britton AJ, Van der Wal R, Pearce ISK, Thompson DBA, Woodin SJ. Nitrogen deposition enhances moss growth but leads to an overall decline in habitat condition of mountain moss-sedge heath. Global Change Biology. 2012  ;18(1):290-300.

Hayes F, Williamson J, Mills G. Ozone pollution affects flower numbers and timing in a simulated BAP priority calcareous grassland community. Environmental Pollution. 2012  ;163:40-47.

Harmens H, Mills G. Ozone pollution: Impacts on carbon sequestration in Europe. Bangor, UK.: Centre for Ecology and Hydrology; 2012.

Wagg S, Mills G, Hayes F, Wilkinson S, Cooper D, Davies WJ. Reduced soil water availability did not protect two competing grassland species from the negative effects of increasing background ozone. Environmental Pollution. 2012  ;165:91-99.

Defra. RoTAP: Review of Transboundary Air Pollution: Acidification, Eutrophication, Ground Level Ozone and Heavy Metals in the UK. Centre for Ecology & Hydrology; 2012. Available from: http://www.rotap.ceh.ac.uk/documents

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Sheppard LJ, Leith ID, Mizunuma T, Cape JN, Crossley A, S. L, Sutton MA, Fowler D, van Dijk N. Dry deposition of ammonia gas drives species change faster than wet deposition of ammonium ions: evidence from a long-term field manipulation. Global Change Biology. 2011  ;17 (12):3589-3607.

Stevens CJ, Manning P, Van Den Berg LJL, De Graaf MCC, Wamelink GWW, Boxman AW, Bleeker A, Vergeer P, Arroniz-Crespo M, Limpens J, et al. Ecosystem responses to reduced and oxidised nitrogen inputs in European terrestrial habitats.  Environmental Pollution. 2011  ;159 :665-676.

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Mills G, Hayes F, Simpson D, Emberson L, Norris D, Harmens H, Buker P. Evidence of widespread effects of ozone on crops and (semi-)natural vegetation in Europe (1990?2006) in relation to AOT40- and flux-based risk maps. Global Change Biology. 2011  ;17:592-613.

Evans CD, Monteith DT, Fowler D, Cape JN, Brayshaw S. Hydrochloric Acid: An Overlooked Driver of Environmental Change. Environmental Science and Technology. 2011  ;45:1887-1894.

Mills G, Hayes F, Norris D, Hall J. Impacts of Ozone Pollution on Food Security in the UK: A Case Study for Two Contrasting years, 2006 and 2008. Defra; 2011. Available from: http://icpvegetation.ceh.ac.uk/

Mills G, Hayes F, Norris D, Hall J, Coyle M, Cambridge H, Cinderby S, Abbott J, Cooke S, Murrells T. Impacts of Ozone Pollution on Food Security in the UK: A Case Study for Two Contrasting years, 2006 and 2008. Defra; 2011. Available from: http://icpvegetation.ceh.ac.uk/ and http://uk-air.defra.gov.uk/library/

Mills G, Hayes F, Norris D, Hall J. Impacts of Ozone Pollution on Food Security in the UK: A Case Study for Two Contrasting years, 2006 and 2008. Defra; 2011. Available from: http://uk-air.defra.gov.uk/library/

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Emmett BA, Rowe EC, Stevens CJ, Gowing DJ, Henrys PA, Maskell LC, Smart SM. Interpretation of evidence of nitrogen impacts on vegetation in relation to UK biodiversity objectives. JNCC; 2011.

Guerrieri R, Mencuccini M, Sheppard LJ, Saurer M, Perks MP, Levy P, Sutton MA, Borghetti M, Grace J. The legacy of enhanced N and S deposition as revealed by the combined analysis of ?13C, ?18O and ?15N in tree rings. Global Change Biology. 2011  ;17(5):1946-1962.

Guerrieri R, Mencuccini M, Sheppard LJ, Saurer M, Perks MP, Levy P, Sutton MA, Borghetti M, Grace J. The legacy of enhanced N and S deposition as revealed by thecombined analysis of delta 13C, delta 18O and delta 15N in treerings. Global Change Biology. 2011  ;17:1946?1962.

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Mills G, Pleijel H, Braun S, Buker P, Bermejo V, Calvo E, Danielsson H, Emberson L, I. Fernandez G, Grunhage L, et al. New stomatal flux-based critical levels for ozone effects on vegetation. Atmospheric Environment. 2011  ;45:5064-5068.

Harmens H, Norris DA, Cooper DM, Mills G, Steinnes E, Kubin E, Thoni L, Aboal JR, Alber R, Carballeira A, et al. Nitrogen concentrations in mosses indicate the spatial distribution of atmospheric nitrogen deposition in Europe. Environmental Pollution. 2011  ;159:2852-2860.

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Rowe EC, Jones MLM, Henrys PA, Smart SM, Tipping E, Mills RTE, Evans CD. Predicting effects of N pollutant load on plant species based on a dynamic soil eutrophication indicator. Bangor: Countryside Council for Wales; 2011 p. 39.

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Mills G, Hayes F, Wilkinson S, Davies WJ. Chronic exposure to increasing background ozone impairs stomatal functioning in grassland species. Global Change Biology. 2009  ;15(6):1522-1533.

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Plassmann K, Edwards-Jones G, Jones MLM. The effects of low levels of nitrogen deposition and grazing on dune grassland. Science of the Total Environment. 2009  ;407:1391-1404.

Hayes F, Mills G, Ashmore M. Effects of ozone on inter- and intra-species competition and photosynthesis in mesocosms of Lolium perenne and Trifolium repens. Environmental Pollution. 2009  ;157(1):208-214.

Remke E, Brouwer E, Kooijman AM, Blindow I, Esselink H, Roelefs JGM. Even low to medium nitrogen deposition impacts vegetation of dry, coastal dunes around the Baltic Sea. Environmental Pollution. 2009  ;157:792-800.

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Stevens CJ, Dise NB, Gowing DJ. Regional trends in soil acidification and metal mobilization related to acid deposition. Environmental Pollution. 2009  ;157(1):313-319.

Dawnay L, Mills G. Relative effects of elevated background ozone concentrations and peak episodes on senescence and above-ground growth in four populations of Anthoxanthum odoratum L. Environmental Pollution. 2009  ;157:503-510.

Elser JJ, Anderson T, Baron JS, Bergstorm AK, Jansson M, Kyle M, Nydick KR, Steger L, Hesson DO. Shifts in lake N:P stoichiometry and nutrient limitation driven by atmospheric nitrogen deposition. Science. 2009  ;5954:835-837.

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Prendergast MT, Cole L, Standen V, Rees R, Parker J, Leith I, Sheppard LJ. Are enchytraeid worms (Oligochaeta) sensitive indicators of Ammonia-N impacts on an Ombrotrophic Bog?. European Journal of Soil Biology. 2008  ;44(1):101-108.

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