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.

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.

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

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.

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.

Deegan LA, Johnson DS, Warren RS, Peterson BP, Fleeger JW, Fagherazzi S, Wollheim WM. Coastal eutrophication as a driver of salt marsh loss. Nature. 2012  ;490(7420):388-392.

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.

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.

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.

Stevens CJ, Smart SM, Henrys PA, Maskell LC, Crowe A, Simkin J, Cheffings CM, Whitfield C, Gowing DJG, Rowe EC, et al. Terricolous lichens as indicators of nitrogen deposition: Evidence from national records. Ecological Indicators. 2012  ;20:196-203.

Wilson TM, Cole JW, Stewart C, Cronin SJ, Johnston DM. Ash storms: impacts of wind-remobilised volcanic ash on rural communities and agriculture following the 1991 Hudson eruption, southern Patagonia, Chile. Bulletin of Volcanology. 2011  ;73(3):223-239.

Armitage HF, Britton AJ, Woodin SJ, Van der Wal R. Assessing the recovery potential of alpine moss-sedge heath: reciprocal transplants along a nitrogen deposition gradient. Environmental Pollution. 2011  ;159:140- 147.

Stevens CJ, Smart SM, Henrys P, Maskell LC, Walker KJ, Preston CD, Crowe A, Rowe E, Gowing DJ, Emmett BA. Collation of evidence of nitrogen impacts on vegetation in relation to UK biodiversity objectives. JNCC; 2011.

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.

Wilson T, Cole J, Cronin S, Stewart C, Johnston D. Impacts on agriculture following the 1991 eruption of Vulcan Hudson, Patagonia: lessons for recovery. Natural Hazards. 2011  ;57:185-212.

Manninen S, Woods C, Leith ID, Sheppard LJ. Physiological and morphological effects of long-term ammonium or nitrate deposition on green and red (shade and open grown) Sphagnum capillifolium. Environmental and Experimental Botany. 2011  ;72:140-148.

Bobbink R, Braun S, Nordin A, Power S, Schutz K, Strengbom J, Weijters M, Tomassen H. Review and revision of empirical critical loads and dose-response relationships. (Bobbink R, Hettelingh JP). Noordwijkerhout: Coordination Centre for Effects; 2011.

Vanguelova EI, Benham S, Pitman R, Moffat AJ, Broadmeadow M, Nisbet T, Durrant D, Barsoum N, Wilkinson M, Bochereau F, et al. Chemical fluxes in time through forest ecosystems in the UK ? Soil response to pollution recovery. Environmental Pollution. 2010  ;158(5):1857-1869.

Layer K, Hildrew A, Monteith DON, Woodward GUY. Long-term variation in the littoral food web of an acidified mountain lake. Global Change Biology. 2010  ;16:3133-3143.

Gadson SR, Dagley JR, Wolseley PA, Power SA. Relationships between lichen community composition and concentrations of NO2 and NH3. Environmental Pollution. 2010  ;158:2553-2560.

Wiedermann MM, Gunnarsson U, Nilsson MB, Nordin A, Ericson L. Can small-scale experiments predict ecosystem responses? An example from peatlands. Oikos. 2009  ;118(3):449-456.

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.

Mercado LM, Bellouin N, Sitch S, Boucher O, Huntingford C, Wild M, Cox PM. Impact of changes in diffuse radiation on the global land carbon sink. Nature. 2009  ;458:1014-1018.

Williamson J. The impacts of elevated ozone on plant vitality and carbon cycling in wetlands. .  2009  ;PhD.

Silim S, Nash R, Reynard D, White B, Schroeder W. Leaf gas exchange and water potential responses to drought in nine poplar (Populus spp.) clones with contrasting drought tolerance. Trees. 2009  ;23(5):959-969.

Derwent RG, Witham C, Redington A, Jenkin ME, Stedman JR, Yardley R, Hayman G. Particulate matter at a rural location in southern England during 2006: Model sensitivities to precursor emissions. Atmospheric Environment. 2009  ; 43(3):689-696.

Wittig VE, Ainsworth EA, Naidu SL, Karnosky DF, Long SP. Quantifying the impact of current and future tropospheric ozone on tree biomass, growth, physiology and biochemistry: a quantitative meta-analysis. Global Change Biology. 2009  ;15:396-424.

Jones MLM, Sowerby A, Williams DL, Jones RE. Factors controlling soil development in sand dunes: evidence from a coastal dune soil chronosequence. Plant and Soil. 2008  ;307:219-234.

Sheppard LJ, Leith ID, Crossley A, van Dijk N, Fowler D, Sutton MA, Woods C. Stress responses of Calluna vulgaris to reduced and oxidised N applied under 'real world conditions'. Environmental Pollution. 2008  ;154:404-413.

Sheppard LJ, Leith ID, Crossley A, van Dijk N, Fowler D, Sutton MA, Woods C. Stress responses of Calluna vulgaris to reduced and oxidised N applied under real world conditions. Environmental Pollution. 2008  ;154 (3):404-413.

Long S, Lister L, Hankard P, Rothery P, Ainsworth G, Rowland P, Walker L, Wright J, Turk T, Bealey B, et al. The use of biomonitoring tools to detect ecosystem response following exposure to contaminants emitted from a regulated industrial source. Bristol: Environment Agency; 2008.

Monteith DT, Stoddard JL, Evans CD, De Wit HA, Forsius M, Hogasen T, Wilander A, Skjelkvale BL, Jeffries DS, Vuorenmaa J, et al. Dissolved organic carbon trends resulting from changes in atmospheric deposition chemistry. Nature. 2007  ;450:537-539.

Wiedermann MM, Nordin A, Gunnarsson U, Nilsson MB, Ericson L. Global change shifts vegetation and plant-parasite interactions in a boreal mire. Ecology. 2007  ;88:454-464.

McLaughlin SB, Wullschleger SD, Sun G, Nosal M. Interactive effects of ozone and climate on water use, soil moisture content and streamflow in a southern Appalachian forest in the USA. New Phytologist. 2007  ;174:125-136.

Wolseley PA, James PW, Theobald MR, Sutton MA. Detecting changes in epiphytic lichen communities at sites affected by atmospheric ammonia from agricultural sources. Lichenologist. 2006  ;38:161-176.

Low M, Herbinger K, Nunn AJ, Haberle KH, Leuchner M, Heerdt C, Werner H, Wipfler P, Pretzsch H, Tausz M, et al. Extraordinary drought of 2003 overrules ozone impact on adult beech trees (Fagus sylvatica). Trees. 2006  ;20:539-548.

Bender J, Muntifering RB, Lin JC, Weigel HJ. Growth and nutritive quality of Poa pratensis as influence by ozone and competition. Environmental Pollution. 2006  ;142:109-115.

Hayes F, Mills G, Williams P, Harmens H, Buker P. Impacts of summer ozone exposure on the growth and overwintering of UK upland vegetation. Atmospheric Environment. 2006  ;40:4088-4097.

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.

Leith I, van Dijk N, Pitcairn CER, Wolseley PA, Whitfield CP, Sutton MA. Biomonitoring methods for assessing the impacts of nitrogen pollution: refinement and testing. JNCC; 2005.

Nilsson LO, Giesler R, Bååth E, Wallander H. Growth and biomass of mycorrhizal mycelia in coniferous forestsalong short natural nutrient gradients. New Phytologist. 2005  ;165:613?622.

Sutton MA, Pitcairn CER, Leith ID, van Dijk N, Tang YS, Skiba U, Smart S, Mitchell R, Wolseley P, James P, et al. Bioindicator and biomonitoring methods for assessing the effects of atmospheric nitrogen on statutory nature conservation sites. (Sutton MA, Pitcairn CER, Whitfield CP). Peterborough; 2004.

Jones MLM, Wallace HL, Norris D, Brittain SA, Haria S, Jones RE, Rhind PM, Reynolds BR, Emmett BA. Changes in vegetation and soil characteristics in coastal sand dunes along a gradient of atmospheric nitrogen deposition. Plant Biology. 2004  ;6(5):598-605.

Wilson LJ, Bacon PJ, Bull J, Dragosits U, Blackall TD, Dunn TE, Hamer KC, Sutton MA, Wanless S. Modelling the spatial distribution of ammonia emissions from seabirds in the UK. Environmental Pollution. 2004  ;131(2):173-185.

Walker KJ, Stevens PA, Stevens DA, Mountford JO, Manchester SJ, Pywell RF. The restoration and re-creation of species-rich lowland grassland on land formerly managed for intensive agriculture in the UK. Biological Conservation. 2004  ;119(1):1-18.

Haines-Young R, Barr CJ, Firbank LG, Furse M, Howard DC, McGowan G, Petit S, Smart SM, Watkins JW. Changing landscapes, habitats and vegetation diversity across Great Britain. Journal of Environmental Management. 2003  ;67(3):267-281.

Wilkinson JM, Hill J, Hillman JP. he accumulation of potentially toxic elements in edible body tissues of lambs grazing after a single application of sewage sludge. Water Research. 2003  ;(37):128-138.

Van der Wal R, Pearce I, Brooker R, Scott D, Welch D, Woodin S. Interplay between nitrogen deposition and grazing causes habitat degradation. Ecology Letters. 2003  ;6:141-146.

McCartney AG, Harriman R, Watt AW, Moore DW, Taylor EM, Collen P, Keay EJ. Long-term trends in pH, aluminium and dissolved organic carbon in Scottish fresh waters; implications for brown trout (Salmo trutta) survival. Science of The Total Environment. 2003  ;310:133-141.

Weinstein LH, Davison AW. Native plant species suitable as bioindicators and biomonitors for airborne fluoride. Environmental Pollution. 2003  ;125(1):3-11.

Pearce ISK, Woodin SJ, Van der Wal R. Physiological and growth responses of the montane bryophyte Racomitrium lanuginosum to atmospheric nitrogen deposition. New Phytologist. 2003  ;160 :145?155.

Nilsson LO, Wallander H. The production of externalmycelium by ectomycorrhizal fungi in a Norway spruceforest was reduced in response to nitrogen fertilization. New Phytologist. 2003  ;158:409?416.

WHO. Environmental Health Criteria 226 Palladium. Geneva: World Health Organisation; 2002.

WHO. Environmental Health Criteria 227: Fluorides. Geneva: World Health Organisation; 2002 p. pp 230.

Skarby L, Ottoson S, Karlsson PE, Wallin G, Sellden G, Medin E, Pleijel H. Growth of Norway spruce (Picea abies) in relation to the AOT40 index.; 2002.

Van Herk CM, Nimis (E)PL, Scheidegger (E)C, Wolseley PA. Monitoring with Lichens - Monitoring Lichens. In: Nato Sciences . Nato Sciences . Dordrecht: Kluwer; 2002. pp. 285-290.

Nimis PL, Scheidegger C, Wolseley PA. Monitoring with Lichens - Monitoring Lichens,Proceedings of the NATO Advanced Research Workshop on Lichen Monitoring, Wales, United Kingdom, 16-23 August 2000.  2002  .

Wang Q, Cui Y, Dong Y. Phytoremediation of polluted waters, potentials and prospects of wetland plants. Acta Biotechnologica. 2002  ;(22):199-208.

Spurgeon D, Svendsen C, Hankard P, Weeks, Kille P, Fishwick S. Review of sublethal ecotoxicological tests for measuring harm in terrestrial ecosystems.; 2002.

Butterbach-Bahl K, Willibald G, Papen H. Soil core method for direct simultaneous determination of N-2 and N2O emissions from forest soils. Plant and Soil. 2002  ;240:105-116.

Sutton MA, Milford C, Nemitz E, Theobald MR, D. F, Schjoerring JK, Mattsson ME, Nielsen KH, Husted S, Erisman JW, et al. Biosphere-atmosphere interactions of ammonia with grasslands: experimental strategy and results from a new European initiative. Plant and Soil . 2001  ;228 (1):131-145.

WHO. Concise International Chemical Assessment Document 29 Vanadium pentoxide and other inorganic vanadium compounds. Geneva: World Health Organisation; 2001.

Fowler D, Dragosits U, Pitcairn CER, Sutton MA, Hall J, Roy DB, Weidemann A. Deposition of acidifying and eutrophying air pollutants in Scotland: Mapping critical loads, critical levels and exceedances. Centre for Ecology and Hydrology; 2001.

Ciecko Z, Wyszkowski M, Krajewski W, Zabielska J. Effect of organic matter and liming on the reduction of cadmium uptake from soil by triticale and spring oilseed rape. Science of the Total Environment . 2001  ;(281): 37-45.

Parveen Z, Smart R, White C, Gammack S, Deacon C, Cresser M. Effects of Simulated Sulphuric Acid Deposition On Calluna Vulgaris/Peat Microcosms and Associated Soil Solutions. Chemistry and Ecology. 2001  ;17(4):293-314.

WHO. Environmental Health Criteria 221 Zinc. Geneva: World Health Organisation; 2001.

WHO. Environmental Health Criteria 224 Arsenic and arsenic compounds. Geneva: World Health Organization; 2001.

Gordon C, Wynn JM, Woodin SJ. Impacts of increased nitrogen supply on high Arctic heath: the importance of bryophytes and phosphus availability. New Phytologist . 2001  ;149:461-471.

Whittaker JB. Insects and plants in a changing atmosphere. Journal of Ecology . 2001  ;89:507-518.

Wetzel RG. Limnology: lake and river ecosystems. 3rd ed. San Diego: Academic Press; 2001.

Berendse F, van Breeman N, Rydin H, Buttler A, Heijmans M, Hoosbeek MR, Lee JA, Mitchel E, Saarinen T, Vasander H, et al. Raised atmospheric CO2 levels and increased N deposition cause shifts in plant species composition and production in Sphagnum bogs. Global Change Biology . 2001  ;7:591-598.

Van Dobben HJ, Wolterbeek HT, Wamelink GWW, Ter Braak CJF. Relationship between epiphytic lichens, trace elements and gaseous atmospheric pollutants. Environmental Pollution. 2001  ;112:163-169.

Hoosebeak MR, van Breeman N, Wallen B, Rydin H, Lee JA, Sivola J, Vasander H, Berendse F, Grosvernier P, Sutton (E)MA, et al. Terrestrial ecosystem research in Europe: successes, challenges and policy. In: Brussels.: Directorate-General for Research; 2001.

Haines-Young RH, Barr CJ, Black HIG, Briggs DJ, Bunce RGH, Clarke RT, Cooper A, Dawson FH, Firbanks LG, Fuller RM, et al. Accounting for nature: assessing habitats in the UK countryside. London: DETR; 2000.

Haines-Young RH, Barr CJ, Black HIJ, Briggs DJ, Bunce RGH, Clarke RT, Cooper A, Dawson FH, Firbank LG, Fuller RM, et al. Accounting for nature: assessing habitats in the UK countryside. London: DETR; 2000.

Chamberlin DE, Warren RW, Crick HQP, Hall J, Metcalfe S, Ormerod S, Whyatt D, Vickery JA. Acidification and terrestrial birds.; 2000.

WHO. Air Quality Guidelines for Europe. . Copenhagen: World Health Organisation; 2000.

Sala OE, Chapin FS, Armesto JJ, Berlow E, Bloomfield J, Dirzo R, Huber-Sanwald E, Huenneke LF, Jackson RB, Kinzig A, et al. Biodiversity - Global biodiversity scenarios for the year 2100. Science. 2000  ;287(5459):1770-1774.

Mulgrew A, Williams P. Biomonitoring of air quality using plants. Berlin, Germany: WHO Collaborating Centre for Air Quality Management and Air Pollution Control; 2000.

Weibull H. Bryophytes on boulders - diversity, habitat preferences and conservation aspects. .  2000  .

Hicks WK, Leith ID, Woodin SJ, Fowler D. Can the foliar nitrogen concentration of upland vegetation be used for predicting atmospheric nitrogen deposition? Evidence from field surveys. . Environmental Pollution. 2000  ;107:367-376.

Monni S, Salemaa M, White C, Tuittila E, Huopalainen M. Copper resistance of Calluna vulgaris originating from the pollution gradient of a Cu-Ni smelter, in southwest Finland. Environmental Pollution. 2000  ;(109):211-219.

Westlund A, Nohrstedt HO. Effects of stump-treatment substances for root-rot control on ground vegetation and soil properties in a Picea abies forest in Sweden. Scandinavian Journal Forest Research . 2000  ;15550-560:550-560.

Friend AD, White A. Evaluation and analysis of a dynamic terrestrial ecosystem model under pre-industrial conditions at the global scale. Global Biogeochemical Cycles. 2000  ;14:1173-1190.

Wolff K, Morgan-Richards M, Davison AW. Patterns of molecular genetic variation in Plantago major and P. intermedia in relation to ozone resistance. New Phytologist. 2000  ;145:501-509.

Osborn D, Weeks JM, Hankard P, Dale L. Potential Uses of Biomonitoring in Pollution Control - An Introductory Guide.; 2000 p. p319.

Baumgarten M, Werner H, Haberle KH, Emberson LD, Fabian P, Matyssek R. Seasonal ozone response of mature beech trees (Fagus sylvatica) at high altitude in the Bavarian Forest (Germany) in comparison with young beech grown in the field and in phytotrons. Environmental Pollution. 2000  ;109:431-442.

Pearson J, Wells DM, Seller KJ, Bennett A, Soares A, Woodall J, Ingrouille MJ. Traffic exposure increases natural 15N and heavy metal concentrations in mosses. New Phytologist. 2000  ;147:317-326.

Chameides WL, Yu H, Liu SC, Bergin M, Zhou X, Mearns L, Wang G, Kiang CS, Saylor RD, Luo C, et al. Case study of the effects of atmospheric aerosols and regional haze on agriculture: An opportunity to enhance crop yields in China through emission controls?. PNAS. 1999  ;96:13626-13633.

Wayne RP. Chemistry of Atmospheres. Oxford University Press. 1999  .

White A, Cannell MGR, Friend AD. Climate change impacts on ecosystems and the terrestrial carbon sink: a new analysis. Global Environmental Change. 1999  ;9:S21-S30 Suppl. S.

Freitas MC, Reis MA, Alves LC, Wolterbeek HT. Distribution in Portugal of some pollutants in the lichen Parmelia sulcata. Environmental Pollution. 1999  ;(106):229-235.

Wang J, Liu Z. Effect of vanadium on the growth of soybean seedlings. Plant and Soil. 1999  ;(216):47-51.

Wilson EJ, Emmett BA. Factors influencing nitrogen saturation in forest ecosystems: Advances in our understanding since the mid 1980s. in the impact of nitrogen deposition on natural and semi-natural ecosystems. Kluwer Academic Press. 1999  .

Williams BL, Buttler A, Grosvernier P, Francez AJ, Gilbert D, Ilomets M, Jauhiainen J, Matthey Y, Silcock DJ. The fate of NH4NO3 added to Sphagnum magellanicum carpets at five European mire sites. Biogeochemistry. 1999  ;45:73-93.

Nadelhoffer, Emmett BA, Gundersen P, Kjonaas OJ, Koopmans CJ, Schleppi P, Tietema A, Wright RF. Nitrogen deposition makes a minor contribution to carbon sequestration in temperate forests. Nature. 1999  ;398:145-148.

Bergmann E, Bender J, Weigel HJ. Ozone threshold doses and exposure response relationships for the development of ozone injury symptoms in wild plant species. New Phytologist. 1999  ;144:423-435.

Wöllecke J, Munzenberger B, Huttl RF. Some effects of N on ectomycorrhizal diversity of Scots pine (Pinus sylvestris L.) in northeastern Germany. . Water, Air and Soil Pollution. 1999  ;116:135-140.

Hill MO, Downing TE, Berry PM, Coppins BJ, Hammond PS, Marquiss M, Roy DB, Telfer MG, Welch D. Climate change and Scotland's Natural Heritage - An environmental audit. Battleby: Scottish Natural Heritage; 1998.

Waber M, Dietl C, Kohler J, Peichl L. Comparison of bioaccumulation and deposition of antimony, lead and polycyclic aromatic hydrocarbons in two different areas. Umweltwissenschaften und Schadstoff Forschung. 1998  ;(10):276-280.

Rennenberg H, Kreutzer K, Papen H, Weber P. Consequences of high loads of nitrogen for spruce (Picea abies) and beech (Fagus sylvatica) forests. . New Phytologist. 1998  ;139:71-89.

Sutton MA, Milford C, Dragosits U, Place CJ, Singles RJ, Smith RI, Pitcairn CER, Fowler D, Hill J, ApSimon HM, et al. Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability. Environmental Pollutution (Nitrogen Conference Special Issue). 1998  ;102:349-361.

Sheppard LJ, Crossley A, Harvey F, Parrington J, White CC. Early effects of acid mist on Sitka spruce planted on acid peat. Phyton (Horn Austria). 1998  ;39:1-25.

Kerslake JE, Woodin SJ, Hartley SE. Effects of carbon dioxide and nitrogen enrichment on a plantinsect interaction: the quality of Calluna vulgaris as a host  for Operophtera brumata. New Phytologist. 1998  ;140:43-53.

WHO. Environmental Health Criteria 200 Copper. Geneva: World Health Organisation; 1998.

WHO. Environmental Health Criteria 200 Copper. Geneva: World Health Organization; 1998.

Weinstein LH, Davison AW, Arndt U. Fluoride. In: Recognition of Air Pollutant Injury to Vegetation: A Pictorial Atlas. 2nd Edition. Pittsburgh, PA: Air & Waste Management Association; 1998 pp. pp 4-1 to 4-27.

Pain BF, van der Weerden TJ, Chambers BJ, Phillips VR, Jarvis SC. A new inventory for ammonia emissions from U.K. agriculture. (Ammonia Special Issue) Atmospheric Environment . 1998  ;32(3):309-313.

Wallenda T, Kottke I. Nitrogen deposition and ectomycorhizas. New Phytol. 1998  ;139:169-187.

Goulding KWT, Bailey NJ, Bradbury NJ, Hargreaves P, Howe M, Murphy DV, Poulton PR, Willison TW. Nitrogen deposition and its contribution to nitrogen cycling and associated soil processes. New Phytologist. 1998  ;139:49-58.

Kaus A, Wild A. Nutrient disturbance through manganese accumulation in Douglas fir. Chemosphere. 1998  ;(36):961-964.

Jauhiainen J, Wallen B, Malmer N. Potential NH4+ & NO3- uptake in seven Sphagnum species. New Phytol. 1998  ;138:287-293.

Pitcairn CER, Leith ID, Sheppard LJ, Sutton MA, Fowler D, Munro RC, Tang S, Wilson D. The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms. Environmental Pollution . 1998  ;102:41-48.

Weimer V, Schmidt KJ. Studies on the egg quality of the Great Tit (Parus major) in relation to soil-condition. Journal Fur Ornithologie . 1998  ;139:3-9.

Whitfield CP, Davison AW, Ashenden TW. Artificial selection and heritability of ozone resistance in two populations of P. major L. New Phytologist. 1997  ;137:645-655.

Packham JR, Willis AJ. Ecology of dunes, salt marsh and shingle. London: Chapman and Hall; 1997.

WHO. Effects of  atmospheric nitrogen compounds (particularly nitrogen oxides) on plants. In: Environmental  Health Criteria Series. Vol. 188. Environmental  Health Criteria Series. Geneva: WHO; 1997. pp. 115?191.

Carreira JA, Harrison AF, Sheppard LJ, Woods C. Reduced soil P availability in a Sitka spruce (Picea sitchensis (Bong) Carr) plantation induced by applied acid-mist: Significance in forest decline. Forest Ecology and Management . 1997  ;92:53-166.

Oskarsson A, Nordberg G, Block M, Rasmussen F, Petterson R, Skerfving S, Vahter M, Wicklund-Glynn A, Oborn I, Heikensten ML, et al. Adverse health effects due to soil water acidification: a Swedish research programme. Ambio. 1996  ;25:527-531.

Wilson JD. The breeding biology and population history of the Dipper Cinclus cinclus on a Scottish river system. Bird Study. 1996  ;43:108-118.

Woolgrove CE, Woodin SJ. Current and historical relationships between the tissue N content of a snowbed bryophyte and nitrogenous air pollution. Environmental Pollution. 1996  ;91:283-288.

Woolgrove CE, Woodin SJ. Ecophysiology of a snow-bed bryophyte Kiaeria starkei during snowmelt and uptake of nitrate from meltwater. Canadian Journal of Botany . 1996  ;74:1095-1103.

Woolgrove CE, Woodin SJ. Effects of pollutants in snowmelt on Kiaeria starkei, a characteristic species of late snowbed bryophyte dominated vegetation. New Phytologist 133, 519-529. Brown D. H. and Bates J. W. (1990): Bryophytes and Nutrient Cycling. New Phytologist. 1996  ;133:519-529.

Wildhaber ML, Schmitt CJ. Hazard ranking of contaminated sediments based on chemical analysis, laboratory toxicity tests and benthic community composition: prioritizing sites for remedial action. Journal of Great Lakes Research. 1996  ;22:639-652.

Gompertz D, Shuker D, Toniolo P, Shuker L, Bingham S, Calow P, Coggon D, King N, McMichael A, Walker C. The use of biomarkers in environmental exposure assessment. Leicester: Institute for Environment and Health; 1996 p. 114 pp.

Mosello R, Wathne BM, Lien L, Birks HJB. Al:PE projects: water chemistry and critical loads. Water, Air and Soil Pollution. 1995  ;85:493-498.

Wilson EJ, Wells TCE, Sparks TH. Are calcareous grasslands in the UK under threat from nitrogen deposition - an experimental determination of a critical load. Journal of Ecology . 1995  ;83:823-832.

Bobbink R, Roelofs JGM. Empirical nitrogen critical loads: update since Lokeberg (1992). (Hornung M, Sutton MA, Wilson RB). Bush: Institute of Terrestrial Ecology; 1995 pp. 9-19.

White CC, Dawod AM, Cruickshank K, Gammack S, Cresser MS. Evidence for acidification of sensitive Scottish soils by atmospheric deposition. Water, Air and Soil Pollution. 1995  ;85:1203-1208.

Beier C, Hultberg H, Moldan F, Wright RF. MAGIC applied to roof experiments to evaluate the rate of reversibility of acidification following experimentally reduced acid deposition. Water, Air and Soil Pollution. 1995  ;85:1745-1751.

Hornung M, Sutton MA, Wilson [E]RB. Mapping and modelling of critical loads for nitrogen - a workshop report. Cumbria, UK: Institute of Terrestrial Ecology, Edinburgh, UK.; 1995.

Hornung (E)M, Sutton (E)MA, Wilson [E]RB. Mapping and modelling of critical loads for nitrogen - a workshop report. Grange-over-Sands, Cumbria, UK. . UN-ECE Convention on Long Range . 1995  .

Bobbink R, Roelofs JGM, Hornung (E)M, Sutton (E)MA, Wilson [E]RB. Mapping and modelling of critical loads for nitrogen - a workshop report. Bush: Institute of Terrestrial Ecology; 1995 pp. 9-19.

Hornung (E)M, Sutton (E)MA, Wilson [E]RB. Mapping and modelling of critical loads for nitrogen - a workshop report. . Edinburgh: Institute of Terrestrial Ecology; 1995.

Gibson CE, Wu Y, Smith SJ, Wolfe-Murphy SA. Synoptic limnology of a diverse geological region: catchment and water chemistry. Hydrobiologia. 1995  ;306:213-227.

Wilson EJ, Skeffington RA, Maltby E, Immirzi P, Swanston C, Proctor M. Towards a new method of setting a critical load of acidity for ombrotrophic peat. Water, Air and Soil Pollution. 1995  ;85:2491-2496.

Wilbourn S, Davison AW, Ollerenshaw JH. The use of an unenclosed field fumigation system to determine the effects of elevated ozone on a grass clover mixture. New Phytologist. 1995  ;129:23-32.

Rosseland BO, Staurnes M, Steinberg (E)CEW, Wright (E)RF. Acidification of freshwater ecosystems: implications for the future. In: Vol. ES14. Chitchester: John Wiley and Sons; 1994. pp. 227-246.

Steinberg CEW, Wright (E)RF. Acidification of freshwater ecosystems: implications for the future. Chitchester: John Wiley and Sons; 1994.

Raddum GG, Fjeilheim A, Steinberg (E)CEW, Wright (E)RF. Acidification of freshwater ecosystems: implications for the future. Environmental Sciences Research Report. Chitchester: John Wiley and Sons; 1994 pp. 345-354.

Langan SJ, Bain DC, Wilson MJ. The calculation of weathering rates and their role in the determination of critical loads. (Battarbee RW). London: Environmental Change Research Centre/ENSIS; 1994 pp. 124-127.

Ashmore MR, Wilson [E]RB. Critical levels of air pollutants for Europe. London: Air Quality Division, Department of the Environment; 1994.

Wilson EJ, Skeffington RA. The effects of excess nitrogen deposition on young Norway spruce trees. Part I: the soil. Environmental Pollution. 1994  ;86:141-151.

Wilson EJ, Skeffington RA. The effects of excess nitrogen deposition on young Norway spruce trees. Part I: the vegetation. Environmental Pollution. 1994  ;86:153-160.

Jones CG, Coleman JS, Findlay S, Alsher (E)RG, Wellburn AR. Effects of ozone on interactions between plants, consumers and decomposers. London: Chapman & Hall; 1994 pp. 339-363.

Dise NB, Ahlf W, Brahmer G, Cosby BJ, Fott J, Hauhs M, Juttner I, Kreutzer K, Raddum GG, Wright RF. Group report: are chemical and biological changes reversible?. (Steinberg CEW, Wright RF). Chichester: John Wiley and Sons; 1994 pp. 375-391.

Landers DH, Bayley SE, Ford J, Gunn JM, Lukewille A, Norton SA, Steinberg CEW, Vesely J, Zahn MT. Group report: interactions among acidification, phosphorus, contaminants and biota in freshwater ecosystems. (Steinberg CEW, Wright RF). Chichester: John Wiley and Sons; 1994 pp. 185-200.

Skeffington RA, Wilson EJ. he effects of excess nitrogen deposition on young Norway spruce trees. Part I: the soil. Environmental Pollution. 1994  ;86:141-151.

Skeffington RA, Wilson EJ. he effects of excess nitrogen deposition on young Norway spruce trees. Part I: the vegetation. Environmental Pollution. 1994  ;86:153-160.

Whittaker JB, Alsher (E)RG, Wellburn AR, Chapman PJ, Hall. Interactions between insects and air pollutants, in Responses to the Gaseous Environment: Molecular, metabolic and physiological aspects, .  1994  .

Munro IC, Doull MD, Giesy JP, Mackay D, Williams G. Interpretive review of the potential adverse affects of chlorinated organic chemicals on human health and the environment. Regulatory Toxicology and Pharmacology. 1994  ;20:1-1056.

Williams A. Methane Emissions. London: Watt Committee on Energy; 1994.

Cosby BJ, Bulger AJ, Wright RF. Predicting recovery of freshwater ecosystems: trout in Norwegian lakes. (Steinberg CEW, Wright RF).; 1994 pp. 355-373.

Wilson EJ, Skeffington, R.A., Downer CJ, Maltby E, Immirzi P, Swanston C. Setting critical loads for dystrophic peat - a new approach. In: Acid Rain and its Impact: The Critical Loads Debate. Acid Rain and its Impact: The Critical Loads Debate. ; 1994.

Wilson EJ, Skeffington RA, Downer CJ, Maltby E, Immirzi P, Swanston C. Setting critical loads for dystrophic peat - a new approach. In: Battarbee R.W. (Ed): Acid Rain and its Impact: The Critical Loads Debate. London.: Environmental change Research Centre/ENSIS; 1994.

Galbraith H, Murray S, Duncan K, Smith R, Whitfield DP, Thompson DBA. Diet and Habitat Use of the Dotterel Charadrius-Morinellus in Scotland. Ibis. 1993  ;135:148-155.

Stevens PA, Williams TG, Norris DA, Rowland AP. Dissolved inorganic nitrogen budget for a forested catchment at Beddgelert, North Wales. Environmental Pollution. 1993  ;80:1-8.

Woodin SJ, Farmer AM. Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain. Biological Conservation. 1993  ;63:23-30.

WHO. Environmental Health Criteria 135 Cadmium - Environmental Aspects. Geneva: World Health Organisation; 1992.

Aerts R, Wallen B, Malmer N. Growth limiting nutrients in Sphagnum dominated bogs subject to low and high atmospheric Nitrogen supply. Journal of Ecology . 1992  ;80:131-40.

Winfield IJ. Threats to the lake fish communities of the UK arising from eutrophication and species introductions. . Journal of Zoology. 1992  ;42:233-242.

Last FT. Acid deposition: its nature and impacts. (Last FT, Watling R).; 1991 pp. 273-324.

Brydges TG, Wilson RB. Acid rain since 1985 - times are changing. In: Last FT, Watling R Acid deposition: its nature and impacts. Vol. 97. Acid deposition: its nature and impacts. ; 1991. pp. 1-15.

Last FT, Watling R. Acidic deposition: its nature and impacts.; 1991.

Adaros G, Weigel HJ, Jager HJ. Concurrent exposure to SO2 and/or NO2 alters groweth and Yield responses of wheat and barley to low concentrations of O3. New Phytologist. 1991  ;118(4):581-591.

Soutar RG, Woodin (E)SJ, Farmer (E)AM. The effects of acid deposition on nature conservation in Great Britain. Peterborough: Nature Conservancy Council; 1991 pp. 62-66.

Thompson DBA, Baddeley JA, Woodin (E)SJ, Farmer (E)AM. The effects of acid deposition on nature conservation in Great Britain. Peterborough: Nature Conservancy Council; 1991 pp. 17-28.

Lee JA, Woodin (E)SJ, Farmer (E)M. The effects of acid deposition on nature conservation in Great Britain. In: NCC Focus on Nature Conservation Report 26. NCC Focus on Nature Conservation Report 26. Peterborough: Nature Conservancy Council; 1991. pp. 12-16.

Woodin SJ, Farmer AM. The effects of acid deposition on nature conservation in Great Britain. Peterborough: Nature Conservancy Council; 1991.

Ormerod SJ, Woodin (E)SJ, Farmer (E)AM. The effects of acid deposition on nature conservation in Great Britain. Peterborough: Nature Conservancy Council; 1991 pp. p67-73.

Mansfield PJ, Bell JNB, McLeod AR, Wheeler BEJ. Effects of sulphur dioxide on the development of fungal diseases of winter barley in an open-air fumigation system. Agriculture, Ecosystems and Environment. 1991  ;33:215-232.

WHO. Environmental Health Criteria 125 Platinum. Geneva: World Health Organisation; 1991.

Westling O. Nitrate in soil water. Göteborg: IVL Swedish Environmental Research Institute; 1991 pp. pp 1-20.

Adaros G, Weigel HJ, Jager HJ. Single and Interactive Effects of Low Levels of O3, SO2 and NO2 on the Growth and Yield of Spring Rape. Environmental Pollution. 1991  ;72:269-286.

Ellenberg H, Weber HE, Dull R, Wirth V, Werner W, Paulißen D. Zeigerwerte von Pflanzen in Mitteleuropa. Scripta Geobotanica. 1991  ;18:1-248.

McNeill S, Whittaker JB, Watt (E)AW, Leather (E)SR. Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects. Andover: Intercept ; 1990 pp. 195-208.

Lee HSJ, Wilson A, Benham SE, Darrant DWH, Houston T, Waddell DA. The effect of air quality on tree growth. . Research Information Note 182. 1990  .

Wollmer H, Kottke I. Fine Root Studies in situ and in the Laboratory. Environmental Pollution. 1990  ;68:383-407.

Huettl RF, Fink S, Lutz HJ, Poth M, Wisniewski J. Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California. . Forest Ecology and Management. 1990  ;30:341-350.

Cape JN, Freer-Smith PH, Paterson IS, Parkinson JA, Wolfenden J. The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline". Trees. 1990  ;4(4):211-224.

Weigel HJ, Adaros G, Jager HJ. Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers. Environmental Pollution. 1990  ;67:15-28.

Drent PJ, Woldendorp JW. Acid rain and eggshells. Nature. 1989  ;339:431.

WHO. Environmental Health Criteria 85 Lead- Environmental Aspects. Geneva: World Health Organisation; 1989.

WHO. Environmental Health Criteria 86 Mercury- Environmental Aspects. Geneva: World Health Organisation; 1989.

Weinstein LH, Laurence JA. Indigenous and cultivated plants as bioindicators. In: Biologic Markers of Air-Pollution Stress and Damage in Forests. Biologic Markers of Air-Pollution Stress and Damage in Forests. Washington DC: National Academy Press; 1989. pp. 194-204.

Kühn R, Pattard M, Pernak K, Winter A. Results of the harmful effects of water pollutants to Daphnia magna in the 21 day Reproduction Test. Water Research. 1989  ;(23):501-510.

WHO. Environmental Health Criteria 61 Chromium. Geneva: World Health Organisation; 1988.

WHO.  Environmental Health Criteria 81 Vanadium. Geneva: World Health Organisation; 1988.

Mizutani H, Wada E. Nitrogen and carbon isotope ratios in seabird rookeries and their ecological implications. Ecology. 1988  ;69:340-349.

Warrington S, Mansfield TA, Whittaker JB. Effect of SO2 on the Reproduction of Pea Aphids, Acyrthosiphon- Pisum, and the Impact of SO2 and Aphids on the Growth and Yield of Peas. Environmental Pollution. 1987  ;48:285-294.

Harriman R, Morrison BRS, Caines LA, Collen P, Watt AW. Long-term changes in fish populations of acid streams and lochs in Galloway south West Scotland. Water, Air and Soil Pollution. 1987  ;32:89-112.

Ormerod SJ, Wade KR, Gee AS. Macro-floral assemblages in upland Welsh streams in relation to acidity and their importance to invertebrates. Freshwater Biology. 1987  ;18:545-557.

Warrington S. Relationship between SO2 Dose and Growth of the Pea Aphid, Acyrthosiphon-Pisum, on Peas. Environmental Pollution. 1987  ;43:155-162.

Press MC, Woodin SJ, Lee JA. The potential importance of an increased atmospheric nitrogen supply to the growth of ombrotrophic Sphagnum species. New Phytologist. 1986  ;103:45-55.

Woodin SJ, Press MC, Lee JA. Nitrate reductase activity in Sphagnum fuscum in relation to atmospheric nitrate deposition. New Phytologist . 1985  ;99:381-388.

Stoner JH, Gee AS, Wade KR. The effects of acidification on the ecology of streams in the upper Tywi catchment in west Wales. . Environmental Pollution (series A). 1984  ;35(125-157).

Mason PA, Wilson J, Last FT. Mycorrhizal fungi of Betula spp.: factors affecting their occurrence. Proceedings of the Royal Society of Edinburgh. 1984  ;85B:141-151.

Weaver RW, Melton JR, Wang D, Duble RL. Uptake of arsenic and mercury from soil by Bermuda grass Cynodon dactylon. Environmental Pollution. 1984  ;(33):133-142.

Woolhouse HW. Toxicity and tolerance in the responses of plants to metals. New York: Springer Verlag; 1983 pp. 245-300.

Miller PR, Taylor OC, Wilbour RG. Oxidant air pollution effects on a western coniferous forest ecosystem.  1982  ;EPA-600/D:82-276.

Curtis MW, Ward CH. Aquatic toxicity of forty industrial chemicals:  testing in support of hazardous substance spill prevention regulation. Journal of Hydrology. 1981  ;(51):359-367.

Vocke RW, Sears KL, O'Toole JJ, Wildman RB. Growth responses of selected freshwater algae to trace elements and scrubber ash slurry generated by coal-fired power plants. Water Research. 1980  ;(14):141-150.

Will-Wolf S. Structure of Corticolous Lichen Communities Before and After Exposure to Emissions from a "Clean" Coal-Fired Generating Station. The Bryologist. 1980  ;83(3):281-295.

Foy CD, Chaney RL, White MC. The physiology of metal toxicity in plants. Annual Review of Plant Physiology. 1978  ;(29):511-566.

Perring FH, Walters (E)SM. Atlas of the British Flora. Botanical Society of the British Isles. 2ndnd ed. Wakefield: EP Publishing; 1976.

Wobeser G. Acute toxicity of methyl mercury chloride and mercuric chloride for rainbow trout (Salmo gairdneri) fry and fingerlings. Journal of the Fisheries Research Board of Canada. 1975  ;(32):2005-2013.

Weinstein LH, McCune DC, Aluisio AL, van Leuken P. The effect of sulphur dioxide on the incidence and severity of bean rust and early blight of tomato. Environmental Pollution. 1975  ;9:145-155.

Smidt RE, Whitton JS. Note on boron toxicity in a stand of radiata pine in Hawkes Bay. New Zealand Journal of Science. 1975  ;(18):109-113.

Portmann JE, Wilson KW. The toxicity of  140 substances to the brown shrimp and other marine animals. MInistry of Agriculture, Fisheries and Food; 1971.

Warnick S, Bell H. The acute toxicity of some heavy metals to different species of aqautic insects. Journal of the Water Pollution Control Federation. 1969  ;(41):280-284.

Willis AJ. Braunton Burrows: The effects on the vegetation of the addition of mineral nutrients to the dune soils. Journal of Ecology . 1963  ;51:353-374.

White DJB. Some observations on the vegetation of Blakeney Point, Norfolk, following the disappearance of rabbits in 1954. Journal of Ecology . 1961  ;49:113-118.