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.

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.

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.

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.

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

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.

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.

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.

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.

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.

Hardman R. 10k acres of trees cut down to stop pathogen. Daily Mail. 2011  .

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.

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.

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://icpvegetation.ceh.ac.uk/

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/

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.

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.

Dise NB, Ashmore MR, S B, Bleeker A, Bobbink R, de Vries W, Erisman JW, Spranger T, Stevens CJ, Van Den Berg LJL. Nitrogen deposition as a threat to European Terrestrial Biodiversity. In: European Nitrogen Assessment. European Nitrogen Assessment. Cambridge University Press; 2011. pp. 463-494.

Mills G, Harmens H. Ozone pollution: a hidden threat to food security. ICP Vegetation Coordination Centre; 2011.

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.

Bobbink R, Hettelingh JP. Review and revision of empirical critical loads and dose-response relationships. Coordination Centre for Effects, National Institute for Public Health and the Environment (RIVM); 2011. Available from: www.rivm.nl/cce

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.

Hall RJ, Emmett B, Garbutt A, Jones L, Rowe E, Sheppard L, Vanguelova E, Pitman R, Britton A, Hester A, et al. UK Status Report July 2011: Update to empirical critical loads of nitrogen.; 2011 p. 55pp.

Hauck M. Ammonium and nitrate tolerance in lichens. Environmental Pollution. 2010  ;158:1127-1133.

Nikolova PS, Anderson CP, Blaschke H, Matyssek R, Haberle K. Belowground effects of enhanced tropospheric ozone and drought in abeech/spruce forest (Fagus sylvatica L./Picea abies [L.] Karst). Environmental Pollution. 2010  ;158:1071-1078.

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.

Schroder W, Holy M, Pesch R, Harmens H, Fagerli H, Alber R, Coskun M, De Temmerman L, Frolova M, Gonzalez-Miqueo L, et al. First Europe-wide correlation analysis identifying factors best explaining the total nitrogen concentration in mosses. Atmospheric Environment. 2010  ;44(29):3485-3491.

Bobbink R, Hicks K, Galloway J, Spranger T, Alkemade R, Ashmore M, Bustamante M, Cinderby S, Davidson E, Dentener F, et al. Global assessment of nitrogen deposition effects on terrestrial plant diversity: a synthesis. Ecological Applications. 2010  ;20(1):30-59.

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.

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.

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.

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.

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.

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.

Horswill P, O'Sullivan O, Phoenix GK, Lee JA, Leake JR. Base cation depletion, eutrophication and acidification of species-rich grasslands in response to long-term simulated nitrogen deposition. Environmental Pollution. 2008  ;155:336-349.

Arroniz-Crespo M, Leake JR, Horton P, Phoenix GK. Bryophyte physiological responses to, and recovery from, long-term nitrogen deposition and phosphorus fertilisation in acidic grassland. New Phytologist . 2008  ;180:864-874.

Hartman WH, Richardson CJ, Vilgalys VR, Bruland GL. Environmental and anthropogenic controls over bacterial communities in wetland soils. Proceedings of the National Academy of Sciences of the United States of America. 2008  ;105(46):17842-17847.

Morsky SK, Haapala JK, Rinnan R, Tiiva P, Saarnio S, Silvola J, Holopainen T, Martikainen PJ. Long-term ozone effects on vegetation, microbial community and methane dynamics of boreal peatland microcosms in open-field conditions. . Global Change Biology. 2008  ;14(8):1891-1903.

Thorpe A, Harrison RM. Sources and properties of non-exhaust particulate matter from road traffic: A review. Science of The Total Environment. 2008  ;400:270-282.

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.

Hayes F, Mills G, Harmens H, Norris D. Evidence of widespread ozone damage to vegetation in Europe (1990-2006). Bangor, UK.: Centre for Ecology and Hydrology; 2007.

Mills G, Hayes F, Jones MLM, Cinderby S.  Identifying ozone-sensitive communities of (semi-)natural vegetation suitable for mapping exceedance of critical levels. Environmental Pollution. 2007  ;146:736-743.

Sitch S, Cox PM, Collins WJ, Huntingford C.  Indirect radiative forcing of climate change through ozone effects on the land-carbon sink. Nature. 2007  ;(7).

Hayes F, Jones MLM, Mills G, Ashmore M. Meta-analysis of the relative sensitivity of semi-natural vegetation species to ozone. Environmental Pollution. 2007  ;146:754-762.

Jones L, Hayes F, Mills G, Sparks T, Fuhrer F. Predicting community sensitivity to ozone, using Elleberg indicator values. Environmental Pollution. 2007  ;146:744-753.

Kasurinen A, Riikonen J, Oksanen E, Vapaavuori E, Holopainen T. Chemical composition and decomposition of silver birch leaf litter produced under elevated CO2 and O3. Plant and Soil. 2006  ;282:261-280.

Holmes WE, Zak DR, Pregitzer KS, King JS. Elevated CO2 and O3 alter soil nitrogen transformations beneath trembling aspen, paper birch, and sugar maple. Ecosystems. 2006  ;9:1354-1363.

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.

Hopkins A, Holz B.  Grassland for agriculture and nature conservation: production, quality and multifunctionality. Agronomy Research. 2006  ;4 (1):3-20.

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.

Dore AJ, Mousavi-Baygi M, Smith RI, Hall J, Fowler D, Choularton TW. A model of annual orographic precipitation and acid deposition and its application to Snowdonia. Atmospheric Environment. 2006  ;40(18):3316-3326.

Bossuyt B, De Fré B, Hoffmann M. Abundance and flowering succes patterns in a short-term grazed grassland: early evidence of facilitation. Journal of Ecology . 2005  ;93 :1104-1114.

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.

Van Den Berg LJ, Dorland E, Vergeer P, Hart MAC, Bobbink R, Roelofs JG. Decline of acid?sensitive plant species in heathland can be attributed to ammonium toxicity in combination with low pH. New Phytologist. 2005  ;166(2):551-564.

Ledger ME, Hildrew AG. The ecology of acidification and recovery: changes in herbivore-algal food web linkages across a stream pH gradient. Environmental Pollution. 2005  ;137:103-118.

Van Scholl L, Keltjens WG, Hoffland E, Van Breemen N. Aluminium concentration versus the base cation to aluminium ratio as predictors for aluminium toxicity in Pinus sylvestris and Picea abies seedlings. Forest Ecology and Management. 2004  ;195(3):301-309.

Sheppard LJ, Crossley A, Leith ID, Hargreaves KJ, Carfrae J, van Dijk N, Cape JN, Sleep D, Fowler D, Raven JA. An Automated Wet Deposition System to Compare the Effects of Reduced and Oxidised N on Ombrotrophic Bog Species: Practical Considerations. Water, Air and Soil Pollution: Focus. 2004  ;4 (6):197-205.

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.

Smart SM, Ashmore MR, Hornung M. Detecting the signal of atmospheric N  deposition in recent national-scale vegetation change across Britain. Water, Air and  Soil Pollution: Focus. 2004  ;4:269?278.

Teien HC, Standring WJF, Salbu B, Marskar M, Kroglund F, Hindar A. Mobilization of aluminium and deposition on fish gills during sea salt episodes - catchment liming as countermeasure. Journal of Environmental Monitoring. 2004  ;6:196-200.

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.

Rinnan R, Holopainen T. Ozone effects on the ultrastructure of peatland plants: Sphagnum mosses, Vaccinium oxycoccus, Andromeda polifolia and Eriophorum vaginatum. Annals of Botany. 2004  ;94:623-634.

Leith ID, Sheppard LJ, Fowler D, Cape JN, Jones MR, Crossley A, Hargreaves KJ, Tang YS, Theobald MR, Sutton MA. Quantifying dry  NH3 release system to ombrotrophic bog from an automated NH3 field release system. Water,  Air, and Soil Pollution: Focus. 2004  ;4:207-218.

Riikonen J, Lindsberg MM, Holopainen T, Oksanen E, Lappi J, Peltonen P, Vapaavuori E. Silver birch and climate change: variable growth and carbon allocation responses to elevated concentrations of carbon dioxide and ozone. Tree Physiology. 2004  ;24(11):1227-1237.

Wilkinson JM, Hill J, Hillman JP. The 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.

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.

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.

Hammer D, Keller C. Changes in the rhizosphere of metal-accumulating plants evidenced by chemical extractants. Journal of Environmental Quality. 2002  ;(31):1561-1569.

Hauck M, Paul A, Mulack C, Fritz E, Runge M. Effects of manganese on the viability of vegetative diaspores of the epiphytic lichen Hypogymnia physodes. Environmental and Experimental Botany. 2002  ;(47):127-142.

Anders S, Beck W, Bolte A, Hofmann G, Jenssen M, Krakau U, Müller J. Ökologie und Vegetation der Wälder Nordostdeutschlands.; 2002.

Niemi R, Martikainen PJ, Silvola J, Holopainen T. Ozone effects on Sphagnum mosses, carbon dioxide exchange and methane emission in boreal peatland microcosms. Science of The Total Environment. 2002  ;289:1-12.

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

Cunha A, Power SA, Ashmore MR, Green PRS, Haworth BJ, Bobbink R. Whole ecosystem N manipulation: An updated review. JNCC; 2002.

Kannan K, Koistinen J, Beckmen K, Evans T, Gorzelany JF, Hansen KJ, Jones PD, Helle E, Nyman M, Giesy JP. Accumulation of perfluorooctane sulfonate in marine mammals. Environmental Science and Technology. 2001  ;35:1593-1598.

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.

Harrison PA, Berry PM, Dawson TP. Climate Change and Nature Conservation in Britain and Ireland: Modelling natural resource responses to climate change (the MONARCH project). Oxford; 2001.

Leith ID, Sheppard LJ, Pitcairn CER, Cape JN, Hill PW, Kennedy VH, Tang YS, Smith RI, D. F. Comparison of the effects of dry deposited N as NH3 with wet deposited N as NH4Cl on acid moorland vegetation. Water Air and Soil Pollution (In press). 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.

VanderHayden D, Skelly J, Innes J, Hug C, Zhang J, Landolt W, Bleuler P. Ozone exposure thresholds and foliar injury on forest plants in Switzerland. Environmental Pollution. 2001  ;111(2):321-331.

Kernan M, Helliwel R. Partitioning the variation within the acid neutralizing capacity of surface waters in Scotland in relation to land cover, soil and atmospheric depositional factors. Science of the Total Environment . 2001  ;265:39-49.

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.

Hauck M, Jung R, Runge M. Relevance of element content of bark for the distribution of epiphytic licehns in a montane spruce forest affected by forest dieback. Environmental Pollution. 2001  ;(112):221-227.

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.

Milne JA, Hartley SE. Upland plant communities - sensitivity to change. Catena. 2001  ;42(2-4):333-343.

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.

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.

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.

Curtis C, Allott T, Hall J, Harriman R, Helliwel R, Hughes M, Kernan M, Reynolds B, Ullyett J. Critical loads of sulphur and nitrogen for freshwaters in Great Britain and assessment of deposition reduction requirements with the First-order Acidity Balance (FAB) model. Hydrology And Earth System Sciences. 2000  ;4:125-140.

Fowler D, Hargreaves KJ, Skiba U, Bower KN. Direct measurement of the UK source strength of radiatively active gases.; 2000.

Fowler D, Hargreaves K, Skiba U, Bower K. Direct Measurements of the UK Source Strength of Radiatively Active Gases.; 2000.

Raven PJ, Naura M, Holmes NTH, Dawson FH. Healthy river habitats fit for wildlife: Deriving the physical dimension. . Journal of the Chartered Institution of Water and Environmental Management. 2000  ;14:235-239.

Hewins EJ. The impacts of management and atmospheric ammonia deposition  on unimproved calcareous grasslands in the Cotswolds.  2000  .

Hammel W, Debus R, Steubing L. Mobility of antimony in soil and its availability to plants. Chemosphere. 2000  ;41:1791-1798.

Pakeman R, Osborn D, Hankard P. Plants as Biomonitors of Atmospheric Pollution: A review of their Potential Use in Integrated Pollution Control.; 2000 p. p318.

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

Manninen S, Huttunen S. Response of needle sulphur and nitrogen concentrations of Scots pine versus Norway spruce to SO2 and NO2. Environmental Pollution. 2000  ;107(3):421-436.

Viskari EL, Surakka J, Pasanen P, Mirme A, Ruuskanen J, Holopainen JK. Responses of spruce seedlings (Picea abies) to exhaust gas under laboratory conditions - I - plant-insect interactions. . Environmental Pollution. 2000  ;107:89-98.

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.

Tarhanen S, Poikolinen J, Holopainen T, Oskanen J. Severe photobiont injuries of lichens strongly associated with air pollution. New Phytologist. 2000  ;147:579-590.

Hartley-Whitaker J, Cairney JWG, Meharg AA. Toxic effects of cadmium and zinc on ectomycorrhizal colonization of Scots pine (Pinus sylvestris) from soil inoculum. Environmental Toxicology and Chemistry. 2000  ;(19): 694-699.

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.

Hulme M, Mitchell J, Ingram M, Johns T, New M, Viner D. Climate change scenarios for global impacts studies. Global Environmental Change. 1999  ;9:S3-S19 Suppl. S.

Ramsay SL, Houston DC. Do acid rain and calcium supply limit eggshell formation for blue tits (Parus caeruleus) in the UK? . Journal of Zoology. 1999  ;247:121-125.

Farga?ová A, Bumbalova A, Havranek E. Ecotoxicological effects and uptake of metals (Cu+, Cu2+, Mn2+, Mo6+, Ni2+, V5+) in freshwater alga Scenedesmus quadricauda. Chemosphere. 1999  ;(38):1165-1173.

Hill MO, Mountford JO, Roy DB, Bunce RGH. Ellenberg's indicator values for British plants: ECOFACT volume 2 technical annex. HMSO; 1999.

Heath BA, Maughan JA, Morrison AA, Eastwood IW. The influence of wooded shelterbelts on the deposition of copper, lead and zinc at Shakerley Mere, Cheshire, England. Science of the Total Environment. 1999  ;(235):415-417.

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.

Adarve MJ, Hernandez AJ, Gil A, Pastor J. Boron, zinc iron and managanese content in four grassland species. Journal of Environmental Quality. 1998  ;(27):1286-1293.

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.

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.

Bobbink R, Hornung M, Roelofs JGM. The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation. Journal of Ecology. 1998  ;86:717-738.

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.

Hallbdcken L, Zhang LQ. Effects of experimental acidification, nitrogen addition and liming on ground vegetation in a mature stand of Norway spruce (Picea abies (L.) Karst.) in SE Sweden. Forest Ecology and Management . 1998  ;108:201-213.

Hill MO, Ashenden TW, Buse A, Elmes GW, Goss-Custard JD, Thomas JA. Impacts of global change on UK species and communities. Institute of Terrestrial Ecology; 1998 pp. 98-103.

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.

Hyvdrinen M, P.D. C. Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa. New Phytologist. 1998  ;140:519-530.

Howe PD.  A review of boron effects in the environment. Biological Trace Element Research. 1998  ;(66):153-166.

Harkel MJTen, Van Boxel JH, Verstraten JM. Water and solute fluxes in dry coastal dune grasslands. The effects of grazing and increased nitrogen deposition. Plant and Soil. 1998  ;202:1-13.

Gevao B, Hamilton-Taylor J, Murdock C, Jones KC, Kelly M, Tabner BJ. Depositional time trends and remobilization of PCBs in lake sediments. Environmental Science and Technology. 1997  ;31:3274-3280.

Key BD, Howell RD, Criddle CS. Fluorinated organics in the biosphere. Environmental Science and Technology. 1997  ;31:2445-2454.

Hattenschwiler S, Korner C. Growth of autotrophic and root-hemiparasitic understory plants under elevated CO2 and increased N deposition. Acta Oecologica. 1997  ;18:327-333 .

Hessen DO, Henriksen A, Hindar A, Mulder J, Torseth K, Vagstad N. Human impacts on the nitrogen cycle: A global problem judged from a local perspective. Ambio. 1997  ;26:321-325.

Uren SC, Ainsworth N, Power S, Cousins DA, Huxendurp LM, Ashmore MR. Long term effects of ammonium sulphate on Calluna vulgaris. Journal of Applied Ecology . 1997  ;34:208-216.

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.

IPCC, Houghton JT, Meira Filho LG, Lim K, Trennton I, Mamaty I, Bonduki Y, Griggs DJ, Callander BA. Revised 1996 IPCC Guidelines for National Greenhouse Gas Inventories.  1997  ;1 - 3.

Hessen DO, Hindar A, Holtan G. The significance of nitrogen runoff for eutrophication of freshwater and marine recipients. Ambio. 1997  ;26:312-320.

Crossley A, Sheppard LJ, Cape JN, Smith RI, Harvey F. Stem growth reductions in mature Sitka spruce trees exposed to acid mist. Environmental Pollution. 1997  ;96:185-193.

Tarhanen S, Holopainen T, Oskanen J. Ultrastructural changes and electrolyte leakage from ozone fumigated epiphytic lichens. Annals of Botany. 1997  ;80:611-621.

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.

Manninen S, Huttunen S, Rautio P, Peramaki P. Assessing the critical load of SO2 for Scots Pine in situ. . Environmental Pollution. 1996  ;93:27-38.

Logie JW, Bryant DM, Howell D l, Vickery JA. Biological significance of UK critical load exceedance estimates for flowing waters: assessments of dipper Cinclus cinclus populations in Scotland. Journal of Applied Ecology . 1996  ;33:1065-1076.

Ingersoll CG, Haverland PS, Brunson EL, Canfield TJ, Dwyer FJ, Henke CE, Kemble NE, Mount DR, Fox RG. Calculation and evaluation of sediment effect concentrations for the amphiod Hyalella azteca and the midge Chironomus riparius. Journal of Great Lakes Research. 1996  ;22:602-623.

Lien L, Raddum GG, Fjellheim A, Henriksen A. A critical limit for acid neutralizing capacity in Norwegian surface waters, based on new analyses of fish and invertebrate responses. Science of the Total Environment . 1996  ;177:173-193.

Dmaz G, Barrantes O, Honrubia M, Garacia. Effect of ozone and sulphur on mycorrhizae of Pinus halepensis Mille. Annales des Sciences Forestihres . 1996  ;53:849-856.

Veltz I, Arsac F, Biagianti-Risbourg S, Habets F, Lechenault H, Vernet G. Effects of platinum (Pt4+) on Lumbriculus variegatus Müller (Annelida, Oligochaetae): acute toxicity and bioaccumulation. Archives of Environmental Contamination and Toxicology. 1996  ;(31):63-67.

Shafer SR, Schoeneberger MM, Horton SJ, Davey CB, Miller JE. Effects of rhizobium, arbuscular mycorrhizal fungi and anion content of simulated rain on subterranean clover. . Environmental Pollution. 1996  ;92:55-66.

Bobbink R, Hornung M, Roelofs JGM.  Empirical nitrogen critical loads for natural and semi-natural ecosystems. Berlin: Umweltbundesamt; 1996 pp. 71-96. .

Skiba U, McTaggart IP, Smith KA, Hargreaves KJ, Fowler D. Estimates of nitrous oxide emissions in the UK. Energy Convervation Management. 1996  ;37:1303-1308.

Cooke JA, Boulton IC, Johnson MS. Fluoride in Small Mammals. In: Environmental Contaminants in Wildlife: Interpreting Tissue Concentrations Beyer N, Heinz G;, Redmon-Norwood A. Society of Environmental Toxicology and Chemistry Special Publication. Lewis, Boca Raton. 1996  ;22:473-482.

Harkle MJten, Van der Meulen F. Impact of grazing and atmospheric nitrogen deposition on the vegetation of dry coastal dune grasslands. Journal of Vegetation Science . 1996  ;7:445-452.

Soulsby C, Turnbull D, Langan SJ, Owen R, Hirst D. Long-term trends in stream chemistry and biology in Northeast Scotland: Evidence for recovery. Water, Air and Soil Pollution. 1996  ;85:689-694.

Sanders G, Hamilton-Taylor J, Jones KC. PCB and PAH dynamics in a small rural lake. Environmental Science Technology. 1996  ;30:2958-2966.

Rennenberg H, Herschbach C. Responses of plants to atmospheric sulphur. In: Plant response to air pollution. Plant response to air pollution. Chichester: John Wiley & Sons; 1996. pp. 285-294.

Lallemant R, Joslain H, Houssay I, Cyprien A-L. The use of lichens for estimating ammonia air pollution in Western France. . , Universiti de Nantes; 1996.

Heij GJ. Acid rain research: Do we have enough answers?. (Erisman JW). Amsterdam: Elsevier; 1995.

Hogg P, Squires P, Fitter AH. Acidification, Nitrogen Deposition and Rapid Vegetational Change in a Small Valley Mire in Yorkshire. Biological Conservation. 1995  ;71.

Peoples MB, Herridge DF, Ladha JK. Biological Nitrogen-Fixation - an Efficient Source of Nitrogen for Sustainable Agricultural Production. Plant and Soil. 1995  ;174(1-2):3-28.

Houghton JT, Meira Filho LG, Bruce J, Lee H, Callander BA, Haites E, Harris N, Maskell K. Climate change 1994. Radiative forcing of climate change and an evaluation of the IPCC IS92 emission scenarios. Cambridge University Press, Cambridge. 1995  .

Henriksen A, Posch M, Hultberg H, Lien L. Critical loads of acidity for surface waters - can the ANC limit be considered variable? . Water, Air and Soil Pollution. 1995  ;85:2419-2424.

Boxman AW, van Dam D, van Dijk HFG, Hogervorst RF, Koopmans CJ. Ecosystem responses to reduced nitrogen and sulphur inputs into two coniferous forest stands in the Netherlands. Forest Ecology and Management. 1995  ;71:7-29.

de Vriers W, Leeters EEJM, Hendricks CMA. Effects of acid deposition on Dutch forest ecosystems. Water, Air and Soil Pollution . 1995  ;85:1063-1068.

Holopainen JK, Kainulainen P, Oksanen J. Effects of gaseous air pollutants on aphid performance on Scots pine and Norway spruce seedlings. . Water, Air and Soil Pollution. 1995  ;85:1431-1436.

Hornung M, Bull KR, Cresser MS, Hall J, Langan SJ, Loveland PJ, Smith C. An empirical map of acidity for soils in Great Britain. Environmental Pollution. 1995  ;90:301-310.

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.

Kozlov MV, Haukioja E, Bakhtiarov AV, Stronganov DN. Heavy metals in birch leaves around a nickel-copper smelter at Monchegorsk, Northwestern Russia. Environmental Pollution. 1995  ;(90):291-299.

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.

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.

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  .

Allott TEH, Golding PNE, Harriman R. A palaeolimnological assessment of the impact of acid deposition on surface waters in northwest Scotland, a region of high sea salt inputs. Water, Air and Soil Pollution . 1995  ;85:2425-2430.

Munzenberger B, Schminke B, Strubelt F, Huettl RF. Reaction of mycorrhizal and non-mycorrhizal Scots Pine fine roots along a deposition gradient of air pollutants in eastern Germany. Water, Air and Soil Pollution. 1995  ;85:1191-1196.

Harriman R, Bridcut EE, Anderson H. The relationship between salmonid fish densities and critical ANC at exceeded and non-exceeded stream sites in Scotland. Water, Air and Soil Pollution. 1995  ;85:2455-2460.

Havas M, Rosseland BO. Response of zooplankton, benthos and fish to acidification: an overview. Water, Air and Soil Pollution. 1995  ;85:51-62.

Hornung M, Bull KR, Cresser MS, Loveland PJ, Langan SJ, Reynolds B, Robertson WH, Battarbee (E)RW. Acid Rain and its Impact: The Critical Loads Debate. In: London: Environmental Change Research Centre/ENSIS; 1994. pp. 43-51.

Hill M, Preston CD, Smith A. Atlas of the Bryophytes. Harley. 1994  .

Preston CD, Hill MO, Smith A. Atlas of the bryophytes of the British Isles. Cambridge University Press. 1994  .

Heijine B, Dueck TA, Van der Eerden LJM, Heil G. Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species. New Phytologist. 1994  ;127:685-696.

Fangmeir A, Hadwiger-Fangmeir A, Van der Eerden LJM, Jager HJ. Effects of atmospheric ammonia on vegetation - a review. Environmental Pollution. 1994  ;86:43-82.

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.

Rantanen L, Palomaki V, Holopainen T. Interactions between exposure to O3 and nutrient uptake, growth, mycorrhizal and needle ultra-structure. New Phytologist. 1994  ;128:679-687.

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  .

Hogborn L. Shoot nitrate reductase activities of field-layer species in different forest types. . Scandinavian Journal Forest Research . 1994  ;9:124-128.

Rimes CA, Farmer AM, Howell D l. A survey of the threat of surface water acidification to the nature conservation interest of fresh-waters on Sites of Special Scientific Interest in Britain. Aquatic Conservation - Marine and Freshwater Ecosystems . 1994  ;4:31-44.

Bell JNB, McNeill S, Houlden G, Brown VC, Mansfield PJ. Atmospheric Change - Effect on Plant Pests and Diseases. Parasitology. 1993  ;106:S11-S24.

Bobbink R, Heil GW. Atmospheric deposition of sulphur and nitrogen in heathland ecosystems. In: Heathlands: Patterns and Processes in a Changing Environment. Heathlands: Patterns and Processes in a Changing Environment. Netherlands: Springer; 1993. pp. 25-50.

Cresser MS, Smith C, Sanger L, Hornung (E)M, Skeffington (E)RA. Critical Loads - Concepts and Applications. In: ITE Symposium. Vol. 28. ITE Symposium. London: HMSO; 1993.

Harriman R, Christie AEG, Hornung (E)M, Skeffington (E)RA. Critical Loads: Concepts and Applications. In: ITE Symposium. Vol. 28. ITE Symposium. ; 1993. pp. 103-108.

Cresser MS, Smith C, Sanger L. Critical loads for peat soils. In: Hornung M, Skeffington RA Critical Loads - Concepts and Applications. Critical Loads - Concepts and Applications. London: HMSO; 1993.

Cresser MS, Smith C, Sanger L. Critical loads for peat soils. Symposium 28th ed. (Hornung M, Skeffington RA). London.: Institute of Terrestrial Ecology; 1993.

Houdijk ALFM, Verbank PJM, van Dijk HFG, Roelofs JGM.  Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil. Plant and Soil. 1993  ;148:137-143.

Sutton MA, Fowler D. Estimating the relative contribution of SOx, NOy and NHx inputs to effects of atmospheric deposition. London: HMSO; 1993.

Helivvaara K, Vdisdnen R. Insects and Pollution. London: CRC Press; 1993.

Grunhage L, Dammgen U, Haenel HD, Jager HJ, Holl A, Schmitt J, Hanewald K. A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response. Angewandte Botanik. 1993  ;67:9-13.

Faafeng B, Hessen DO. Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation.; 1993 pp. 505-507.

Bobbink R, Boxman D, Fremstad E, Heil G, Houdijk A, Roelofs J. Nitrogen eutrophication and critical load for nitrogen based upon changes in flora and fauna in (semi)-natural terrestrial ecosystems.  1993  :pp. 111-159.

Titus JE, Hoover DT. Reproduction in two submersed macrophytes declines progressively at low pH. . Freshwater Biology. 1993  ;30:63-72.

Sato M, Hansen JE, McCormick MP, Pollack JB. Stratospheric Aerosol Optical Depths, 1850-1990. Journal of Geophysical Research. 1993  ;98:22987-22994.

Adams KJ, Preston CD, Harding P. Biological recording of changes in British wildlife. In: Vol. ITE Symposium No. 20. London: HMSO; 1992.

Hallbdcken L, Kellner O. Effects of simulated nitrogen rich and acid rain on the nitrogen-fixing lichen Peltigera aphthosa (L.) Willd. . New Phytologist. 1992  ;120:99-103.

Bolsinger M, Lier ME, Hughes PR. Influence of Ozone Air-Pollution on Plant-Herbivore Interactions .2. Effects of Ozone on Feeding Preference, Growth and Consumption Rates of Monarch Butterflies (Danaus-Plexippus). Environmental Pollution. 1992  ;77:31-37.

Purvis OW, Coppins BJ, Hawksworth DL, James P, Moore DM. Lichen Flora of Great Britain and Ireland. London: The Natural History Museum; 1992 p. 710.

Dwyer FJ, Burch SA, Ingersoll CG, Hunn JB. Toxicity of trace element and salinity mixtures to striped bass (Morone saxatilis) and Daphnia magna. Environmental Toxicology and Chemistry . 1992  ;(11):513-520.

van Hove LWA, van Kooten O, van Wijk KJ, Vredenberg WJ, Adema EH, Pieters GA. Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves. Plant Physiology. 1991  ;82:32-40.

van Hove LWA, van Kooten O, van Wijk KJ, Vrendenberg WJ, Adema EH, Pieters GA. Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.  Physiologia Plantarum. 1991  ;82:32-40.

van Hove LWA, Vankooten O, Vanwijk KJ, Vredenberg WJ, Adema EH, Pieters GA. Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves. Physiologia Plantarum. 1991  ;82:32-40.

Houlden G, McNeill S, Aminu-Kano M, Bell JNB. Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2. Environmental Pollution. 1990  ;67:305-314.

Houlden G, McNeill S, Aminu-Kano M, Bell JNB. Air Pollution and Agricultural Aphid Pests. I: Fumigation Experiments with SO2 and NO2. Environmental Pollution. 1990  ;67:305-314.

Buhl KJ, Hamilton SJ. Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids. Ecotoxicology and Environmental Safety. 1990  ;(20):325-342.

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  .

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.

Gajbhiye SN, Hirota R. Toxicity of heavy metals to brine shrimp Artemia. Journal of the Indian Fisheries Association. 1990  ;(20):43-50.

Hoffman DJ, Rattner BA, Hall RJ. Wildlife toxicology. Environmental Science and Technology. 1990  ;24:276-283.

Adema D, Henzen L.  A comparison of plant toxicities of some industrial chemicals in soil culture and soilless culture. Ecotoxicology and Environmental Safety. 1989  ;(18):219-229.

Besten PJDen, Herwig HJ, Zandee DI, Voogt PA. Effects of cadmium and PCBs on reproduction of the sea star Asterias rubens:  aberrations in the early development. Ecotoxicology and Environmental Safety. 1989  ;(18):173-180.

Dignon J, Hameed S. Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980. Japca-the Journal of the Air & Waste Management Association. 1989  ;39(2):180-186.

Hawksworth DL, McManus PM. Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping. Botanical Journal of the Linnean Society. 1989  ;100:99-109.

HMSO. Statutory Instrument (1989): The Sludge (Use in Agriculture) Regulations. London: HMSO; 1989.

HMSO. Surface Waters (Dangerous Substances) (Classification) Regulations No 2286. 2286th ed. UK Statutory Instruments; 1989.

Manninen AM, Laatikainen T, Holopainen T. Condition of Scots Pine fine roots and mycorrhiza after fungicide application and low-level ozone exposure in a 2-year field experiment. Trees. 1988  ;12:347-355.

Hannam RJ, Ohki K. Detection of manganese deficiency and toxicity in plants. Manganese in soils and plants. Dordrecht: Kluwer Publishers; 1988 pp. 243-259.

Battarbee RW, Anderson NJ, Appleby PG, Flower RJ, Fritz SC, Haworth EY, Higgitt S, Jones VJ, Kreiser A, Munro MAR, et al. Lake Acidification in the United Kingdom 1800-1986. London: ENSIS Publishing; 1988.

Hutchison TC, Scott MG. The response of the feather moss, pleurozium-schreberi, to 5 years of simulated acid precipitation in the canadian boreal forest. Canadian Journal of Botany . 1988  ;66:82-88.

Holyoak DT. Effects of atmosheric pollution on the distribution of Balea perversa (Linnaeus) (Pulmonata:Clausiliidae) in southern Britain. Journal of of Conchology . 1987  ;29:319-323.

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.

Martin TR, Holdich DM. The acute lethal toxicity of heavy metals to peracarid crustaceans (with particular reference to fresh-water Asellids and Gammarids). Water Research. 1986  ;(20):1137-1147.

Lang FJ, Bingham FT, Hendrix FF, Crane NL. Boron deposition on soil and native vegetation from geothermal emissions. Journal of Environmental Quality. 1986  ;(15):260-265.

Hallbacken L, Tamm CO. Changes in soil acidity from 1927-1982/84 in a forested area of south west Sweden. Scandinavian Journal of Forest Research. 1986  ;1:219-232.

Hodge VF, Stallard M, Koide M, Goldberg ED. Determination of platinum and iridium in marine waters, sediments and organisms. Analytical Chemistry. 1986  ;(58):616-620.

Hutton M, Symon C. The quantities of cadmium, lead, mercury and arsenic entering the U.K. environment from human activities. Science of the Total Environment. 1986  ;57:129-150.

Roelofs JGM, Kempers AJ, Houdijk ALFM, Jansen J. The effects of air-borne ammonium sulphate on Pinus nigra in the Netherlands. Plant Soil. 1985  ;42:372?377.

Lima AR, Curtis C, Hammermeister DE, Markee TP, Northcott CE, Brooke LT. Acute and chronic toxicities of arsenic (III) to fathead minnows, flagfish, daphnids and an amphipod. Archives of Environmental Contamination and Toxicology. 1984  ;(13):595-601.

Seymour VA, Hinckley TM, Morikawa Y, Franklin JF. Foliage damage in coniferous trees following volcanic ashfall  from Mt. St. Helens. Oecologia. 1983  ;59:339-343.

Heil G, Diemont WM. Raised nutrient levels change heathland into grassland. Vegitation. 1983  ;53:113-120.

Seaward MRD, Hitch (E)CJB. Atlas of the lichens of the British Isles. Cambridge: ITE; 1982.

Rose CI, Hawksworth DL. Lichen recolonization in London?s cleaner air. Nature. 1981  ;289:289-292.

Eaton JG, McKim JM, Holcombe GW. Metal toxicity to embryos and larvae of seven freshwater fish species - 1.Cadmium. Bulletin of Environmental Contamination and Toxicology. 1978  ;(19):95-103.

Heal OW, Smith RAH, Heal (E)OW, Perkins (E)DF. Production Ecology of British Moors and Montane Grasslands, . In: Berlin: Springer-Verlag; 1978. pp. 3-16.

Eisler R, Hennekey RJ. Acute toxicities of Cd2+, Cr+6, Hg2+, Ni2+ and Zn2+ to estuarine macrofauna. Archives of Environmental Contamination and Toxicology. 1977  ;(6):315-323.

Hale JG. Toxicity of metal mining wastes. Bulletin of Environmental Contamination and Toxicology. 1977  ;(17):66-73.

McKim JM, Olson GF, Holcombe GW, Hunt CP. Long term effects of methylmercuric chloride on three generations of brook trout (Salvelinus fontinalis): toxicity, accumulation, distribution and elimination. Journal of the Fisheries Research Board of Canada. 1976  ;(33):2726-2739.

Hibben CR, Taylor MP. Ozone and sulphur dioxide effects on the lilac powdery mildew fungus. Environmental Pollution. 1975  ;9:107-114.

Hawksworth DL. Mapping studies. (Ferry BW, Baddeley MS, Hawksworth DL). London: Athlone press; 1973 pp. pp.38-76.

Hawksworth DL, Rose F. Lichens as Pollution Monitors. London: Edward Arnold; 1970.

Hawksworth DL, Rose F. Qualitave scale for estimating sulphur dioxoide in air pollution in England and Wales using epiphytic lichens. Nature. 1970  ;227:145-148.

Tarzwell CM, Henderson C. Toxicity of less common metals to fish. Industrial Wastes. 1960  ;(12).

Thomas MD, Hendricks RH, Hill GR. Some chemical reactions of sulphur dioxide after absorption by alfalfa and sugar beets. Plant Physiology. 1944  ;19(2):212-226.

Thomas MD, Hendricks RH, Collier TR, Hill GR. The utilization of sulphate and sulphur dioxide for the sulphur nutrition of alfalfa. Plant Physiology. 1943  ;18(3):345-371.