@booklet {1418,
	year = {Submitted},
	keywords = {af(st)y, air-pollution, aot40, critical flux versus exposure, exposure indexes, gas-exchange, lettuce, plants, protect vegetation, responses, spring wheat, standard, stomatal conductance, white clover},
	author = {Goumenaki, E. and Fernandez, I. G. and Papanikolaou, A. and Papadopoulou, D. and Askianakis, C. and Kouvarakis, G. and Barnes, J.}
}
@article {1629,
	title = {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.},
	journal = {Atmospheric Environment},
	year = {2014},
	pages = {1-8},
	author = {Yamaguchi, M. and Otani, Y. and Li, P. and Nagao, H. and Lenggoro, I.W. and Ishida, A. and Yazaki, K. and Nogucki, K. and Nakaba, S. and Yamane, K. and Kuroda, K. and Sano, Y. and Funada, R. and Izuta, T.}
}
@article {1702,
	title = {Inertia in an ombrotrophic bog ecosystem in response to 9 years{\textquoteright} realistic perturbation by wet deposition of nitrogen, separated by form.},
	journal = {Global Change Biology},
	volume = {20},
	year = {2014},
	pages = {566-580},
	keywords = {ammonium, atmospheric nitrogen, boreal mire, calluna, calluna-vulgaris, chronology, cover, critical loads, dry heathland, field manipulation, global change, growth, n deposition, nitrate, peatland, plant, sphagnum bogs, sphagnum capillifolium, vegetation},
	author = {Sheppard, L. J. and Leith, I. D. and Mizunuma, T. and Leeson, S. and Kivimaki, S. and Cape, J. N. and van Dijk, N. and Leaver, D. and Sutton, M. A. and Fowler, D. and Van den Berg, L. J. L. and Crossley, A. and Field, C. and Smart, S.}
}
@article {1568,
	title = {Inertia in an ombrotrophic bog ecosystem in response to nine years{\textquoteright} realistic perturbation by wet deposition of nitrogen, separated by form.},
	journal = {Global Change Biology},
	volume = {20},
	year = {2014},
	pages = {566-580},
	author = {Sheppard L.J. and Leith, I.D. and Mizunuma, T. and Leeson, S. and Kivimaki, S. and Cape, J.N. and van Dijk, N. and Leaver, D. and Sutton, M.A. and Fowler, D. and Van Den Berg, L.J.L. and Crossley, A. and Field, C. and Smart, S.}
}
@article {1423,
	title = {Recovery of acidified surface waters from acidification in the United Kingdom after twenty years of chemical and biological monitoring (1988{\textendash}2008)},
	journal = {Ecological Indicators},
	volume = {37},
	year = {2014},
	pages = {267-273},
	author = {Battarbee, R.W. and Shilland, E.M. and Kernan, M. and Monteith, D.T. and Curtis, C.}
}
@article {1424,
	title = {Recovery of UK lakes from acidification: An assessment using combined palaeoecological and contemporary diatom assemblage data.},
	journal = {Ecological Indicators},
	volume = {37},
	year = {2014},
	pages = {365-380},
	author = {Battarbee, R.W. and Simpson, G.L. and Shilland, E.M. and Flower, R.J. and Kreiser, A. and Yang, H. and Clarke, G.}
}
@article {1513,
	title = {Diatom-inference models for acid neutralizing capacity and nitrate based on 41 calibration lakes in the Sierra Nevada, California, USA.},
	journal = {Journal of Paleolimnology},
	volume = {50},
	year = {2013},
	pages = {159-174},
	author = {Sickman, J.O. and Bennett, D.M. and Lucero, D.M. and Whitmore, T.J. and Kenney, W.F.}
}
@article {1679,
	title = {Inertia in an ombrotrophic bog ecosystem in response to nine years{\textquoteright} realistic perturbation by wet deposition of nitrogen, separated by form},
	journal = {Global change Biology },
	year = {2013},
	author = {Sheppard, L.J. and Leith, I.D. and Mizunuma, T. and Leeson, S. and Kivimaki, S.K. and Cape, J.N. and van Dijk, N. and Leaver, D. and Sutton, M.A. and Fowler, D. and Van Den Berg, L.J.L. and Crossley, A. and Field, C. and Smart, S.M.}
}
@mastersthesis {1560,
	title = {Changes in carbon and nitrogen dynamics in Sphagnum capillifolium under enhanced nitrogen deposition.},
	volume = {PhD},
	year = {2011},
	school = {University of Edinburgh},
	address = {Edinburgh},
	url = {www.era.lib.ed.ac.uk/bitstream/1842/5728/2/Kivim{\"a}ki2011.pdf},
	author = {Kivimaki, S.K.}
}
@article {1488,
	title = {New stomatal flux-based critical levels for ozone effects on vegetation.},
	journal = {Atmospheric Environment},
	volume = {45},
	year = {2011},
	pages = {5064-5068},
	author = {Mills, G. and Pleijel, H. and Braun, S. and Buker, P. and Bermejo, V. and Calvo, E. and Danielsson, H. and Emberson, L. and Gonzalez Fernandez, I. and Grunhage, L. and Harmens, H. and Hayes, F. and Karlsson, P.E. and Simpson, D.}
}
@article {1556,
	title = {Nitrogen concentrations in mosses indicate the spatial distribution of atmospheric nitrogen deposition in Europe.},
	journal = {Environmental Pollution},
	volume = {159},
	year = {2011},
	pages = {2852-2860},
	author = {Harmens, H. and Norris, D.A. and Cooper, D.M. and Mills, G. and Steinnes, E. and Kubin, E. and Thoni, L. and Aboal, J.R. and Alber, R. and Carballeira, A. and Coskun, M. and De Temmerman, L. and Frolova, M. and Frontasyeva, M. and Gonzales-Miqueo, L. and Jeran, Z. and Leblond, S. and Liiv, S. and Mankovska, B. and Pesch, R. and Poikolainen, J. and Ruhling, A. and Santamaria, J.M. and Simoneie, P. and Schroder, W. and Suchara, I. and Yurukova, L. and Zechmeister, H.G.}
}
@article {1566,
	title = {First Europe-wide correlation analysis identifying factors best explaining the total nitrogen concentration in mosses.},
	journal = {Atmospheric Environment},
	volume = {44},
	year = {2010},
	pages = {3485-3491},
	author = {Schroder, W. and Holy, M. and Pesch, R. and Harmens, H. and Fagerli, H. and Alber, R. and Coskun, M. and De Temmerman, L. and Frolova, M. and Gonzalez-Miqueo, L. and Jeran, Z. and Kubin, E. and Leblond, S. and Liiv, S. and Mankovska, B. and Piispanen, J. and Santamaria, J.M. and Simoneie, P. and Suchara, I. and Yurokova, L. and Thoni, L. and Zechmeister, H.G.}
}
@article {1113,
	title = {Recovery of lakes and streams in the UK from acid rain. The United Kingdom Acid Waters Monitoring Network 20 year interpretative report },
	volume = {141},
	year = {2010},
	institution = {Report to the Department for Environment, Food and Rural Affairs},
	url = {http://awmn.defra.gov.uk/resources/interpreports/20yearInterpRpt.pdf},
	author = {Kernan, M. and Battarbee, R.W. and Curtis, C. and Monteith, D.T. and Shillands, E.M. (Eds)}
}
@article {1347,
	title = {Even low to medium nitrogen deposition impacts vegetation of dry, coastal dunes around the Baltic Sea},
	journal = {Environmental Pollution},
	volume = {157},
	year = {2009},
	pages = {792-800},
	author = {Remke, E. and Brouwer, E. and Kooijman, A.M. and Blindow, I. and Esselink, H. and Roelefs, J.G.M.}
}
@article {1469,
	title = {Light limitation of nutrient-poor lake ecosystems.},
	journal = {Nature},
	year = {2009},
	pages = {506-509},
	author = {Karlsson, J. and Bystrom, P. and Ask, J. and Ask, P. and Persson, L. and Jansson, M.}
}
@article {1346,
	title = {Low atmospheric nitrogen loads lead to grass encroachment in coastal dunes, but only on acid soils},
	journal = {Ecosystems},
	volume = {12},
	year = {2009},
	pages = {1173{\textendash}1188},
	author = {Remke, E. and Brouwer, E. and Kooijman, A. and Blindow, A. and Roelofs, J.G.M.}
}
@article {1480,
	title = {Quantifying the impact of current and future tropospheric ozone on tree biomass, growth, physiology and biochemistry: a quantitative meta-analysis.},
	journal = {Global Change Biology},
	volume = {15},
	year = {2009},
	pages = {396-424},
	author = {Wittig, V.E. and Ainsworth, E.A. and Naidu, S.L. and Karnosky, D.F. and Long, S.P.}
}
@article {1110,
	title = {Shifts in lake N:P stoichiometry and nutrient limitation driven by atmospheric nitrogen deposition},
	journal = {Science},
	volume = {5954},
	year = {2009},
	pages = {835-837},
	author = {Elser, J.J. and Anderson, T. and Baron, J.S. and Bergstorm, A.K. and Jansson, M. and Kyle, M. and Nydick, K.R. and Steger, L. and Hesson, D.O.}
}
@article {1473,
	title = {Water quality limits for Atlantic salmon (Salmo salar L.) exposed to short term reductions in pH and increased aluminum simulating episodes.},
	journal = {Hydrology and Earth System Sciences},
	volume = {12},
	year = {2008},
	pages = {491-507},
	author = {Kroglund, F. and Rosseland, B.O. and Teien, H.C. and Salbu, B. and Kristensen, T. and Finstad, B.}
}
@article {1317,
	title = {Windthrow damage in Picea abies is associated with physical and chemical stem wood properties},
	journal = {Trees-Structure and Function},
	volume = {22},
	year = {2008},
	pages = {463-473},
	author = {Meyer, F.D. and Paulsen, J. and Korner, C.}
}
@article {1452,
	title = {Derivation of ozone flux-yield relationships for lettuce: a key horticultural crop.},
	journal = {Environmental Pollution},
	volume = {146},
	year = {2007},
	pages = {699-706},
	author = {Goumenaki, E. and Fernandez, I. G. and Papanikolaou, A. and Papadopoulou, D. and Askianakis, C. and Kouvarakis, G. and Barnes, J.}
}
@article {1491,
	title = {Dissolved organic carbon trends resulting from changes in atmospheric deposition chemistry.},
	journal = {Nature},
	volume = {450},
	year = {2007},
	pages = {537-539},
	author = {Monteith, D.T. and Stoddard, J.L. and Evans, C.D. and De Wit, H.A. and Forsius, M. and Hogasen, T. and Wilander, A. and Skjelkvale, B.L. and Jeffries, D.S. and Vuorenmaa, J. and Keller, B. and Kop{\'a}cek, J. and Vesely, J.}
}
@article {1468,
	title = {Fluxes of N2O, CH4 and CO2 in a meadow ecosystem exposed to elevated ozone and carbon dioxide for three years.},
	journal = {Environmental Pollution},
	volume = {145},
	year = {2007},
	pages = {818-828},
	author = {Kanerva, T. and Regina, K. and Ramo, K. and Ojanpera, K. and Manninen, S.}
}
@article {1504,
	title = {Growth onset, senescence, and reproductive development of meadow species in mesocosms exposed to elevated O3 and CO2.},
	journal = {Environmental Pollution},
	volume = {145},
	year = {2007},
	pages = {850-860},
	author = {Ramo, K. and Kanerva, T. and Ojanpera, K. and Manninen, S.}
}
@article {1470,
	title = {Chemical composition and decomposition of silver birch leaf litter produced under elevated CO2 and O3.},
	journal = {Plant and Soil},
	volume = {282},
	year = {2006},
	pages = {261-280},
	author = {Kasurinen, A. and Riikonen, J. and Oksanen, E. and Vapaavuori, E. and Holopainen, T.}
}
@article {1461,
	title = {Elevated CO2 and O3 alter soil nitrogen transformations beneath trembling aspen, paper birch, and sugar maple.},
	journal = {Ecosystems},
	volume = {9},
	year = {2006},
	pages = {1354-1363},
	author = {Holmes, W.E. and Zak, D.R. and Pregitzer, K.S. and King, J.S.}
}
@article {1118,
	title = {Ozone umbrella: effects of ground-level ozone on vegetation in the UK.},
	volume = {AS06/02.},
	year = {2006},
	author = {Ashmore, M.R. and Keelan, R.}
}
@article {1489,
	title = {Biological responses to the chemical recovery of acidified fresh waters in the UK.},
	journal = {Environmental Pollution},
	volume = {137},
	year = {2005},
	pages = {83-101},
	author = {Monteith, D.T. and Hildrew, A.G. and Flower, R.J. and Raven, P.J. and Beaumont, W.R.B. and Collen, P. and Kreiser, A.M. and Shilland, E.M. and Winterbottom, J.H.}
}
@article {1318,
	title = {Long-term ecological change in British woodlands (1971 - 2001)},
	number = {No. 653},
	year = {2005},
	pages = {1-139},
	institution = {English Nature},
	address = {Peterborough},
	author = {Kirby, K. and Smart, S.M. and Black, H.I. and Bunce, R.G.H. and Corney, P.M. and Smithers, R.J.}
}
@article {1549,
	title = {Nitrogen saturation in UK moorlands: the critical role of bryophytes and lichens in determining retention of atmospheric N deposition.},
	journal = {Journal of Applied Ecology},
	volume = {42},
	year = {2005},
	pages = {507-517},
	author = {Curtis, C.J. and Emmett, B.A. and Grant, H. and Kernan, M. and Reynolds, B. and Shilland, E.}
}
@article {1477,
	title = {Aluminium concentration versus the base cation to aluminium ratio as predictors for aluminium toxicity in Pinus sylvestris and Picea abies seedlings.},
	journal = {Forest Ecology and Management},
	volume = {195},
	year = {2004},
	pages = {301-309},
	author = {Van Scholl, L. and Keltjens, W.G. and Hoffland, E. and Van Breemen, N.}
}
@article {1520,
	title = {Mobilization of aluminium and deposition on fish gills during sea salt episodes - catchment liming as countermeasure.},
	journal = {Journal of Environmental Monitoring},
	volume = {6},
	year = {2004},
	pages = {196-200},
	author = {Teien, H.C. and Standring, W.J.F. and Salbu, B. and Marskar, M. and Kroglund, F. and Hindar, A.}
}
@article {1288,
	title = {Effects of atmospheric ammonia (NH3) on terrestrial vegetation: a review},
	journal = {Environmental Pollution},
	volume = {124},
	year = {2003},
	pages = {179-221},
	author = {Krupa, S.V.}
}
@article {1338,
	title = {How extensive are the impacts of nitrogen pollution in Great Britain{\textquoteright}s forests?},
	year = {2003},
	pages = {66-75},
	institution = {Forest Research},
	address = {Edinburgh},
	url = {http://www.forestry.gov.uk/pdf/FRreport0102.pdf/$file/FRreport0102.pdf},
	author = {Kennedy, F.}
}
@article {1485,
	title = {Long-term trends in pH, aluminium and dissolved organic carbon in Scottish fresh waters; implications for brown trout (Salmo trutta) survival},
	journal = {Science of The Total Environment},
	volume = {310},
	year = {2003},
	pages = {133-141},
	author = {McCartney, A.G. and Harriman, R. and Watt, A.W. and Moore, D.W. and Taylor, E.M. and Collen, P. and Keay, E.J.}
}
@article {1886,
	title = {Changes in the rhizosphere of metal-accumulating plants evidenced by chemical extractants},
	journal = {Journal of Environmental Quality},
	year = {2002},
	pages = {1561-1569},
	author = {Hammer, D and Keller, C}
}
@article {1508,
	title = {Effects of nutrient addition and acidification on plant species diversity and seed germination in heathland.},
	journal = {Journal of Applied Ecology},
	volume = {39},
	year = {2002},
	pages = {937-948},
	author = {Roem, W.J. and Klees, H. and Berendse, F.}
}
@inbook {1583,
	title = {Effects of sulphur dioxide.},
	booktitle = {Air Pollution and plant life},
	year = {2002},
	pages = {135-162},
	publisher = {John Wiley \& Sons},
	organization = {John Wiley \& Sons},
	edition = {2nd},
	address = {Chichester},
	author = {Legge, A.H. and Krupa, S.V.}
}
@book {763,
	title = {Growth of Norway spruce (Picea abies) in relation to the AOT40 index.},
	year = {2002},
	type = {Background paper presented at the UNECE Workshop Establishing Ozone Critical Levels II, Goteborg November 2002},
	author = {Skarby, L. and Ottoson, S. and Karlsson, P.E. and Wallin, G. and Sellden, G. and Medin, E. and Pleijel, H.}
}
@article {726,
	title = {Long-term implications of industrial pollution stress on lipids composition in Scots pine (Pinus sylvestris L.) roots},
	journal = {Acta Physiologiae Plantarum },
	volume = {24(3)},
	year = {2002},
	pages = {249-255},
	author = {Pukacki, P.M. and Kaminska-Rozak, E.}
}
@article {1323,
	title = {{\"O}kologie und Vegetation der W{\"a}lder Nordostdeutschlands},
	year = {2002},
	author = {Anders, S. and Beck, W. and Bolte, A. and Hofmann, G. and Jenssen, M. and Krakau, U. and M{\"u}ller, J.}
}
@article {50,
	title = {Accumulation of perfluorooctane sulfonate in marine mammals},
	journal = {Environmental Science and Technology},
	volume = {35},
	year = {2001},
	pages = {1593-1598},
	author = {Kannan, K and Koistinen, J. and Beckmen, K and Evans, T. and Gorzelany, J.F. and Hansen, K.J. and Jones, P.D. and Helle, E. and Nyman, M. and Giesy, J.P.}
}
@article {1471,
	title = {An analysis of the structure of the simple mass balance equation: implications for testing national critical loads maps.},
	journal = {Water, Air and Soil Pollution},
	volume = {1},
	year = {2001},
	pages = {281-298},
	author = {Kennedy, F. and Rowell, D. and Moffat, A.J. and Singh, B.}
}
@article {781,
	title = {Biosphere-atmosphere interactions of ammonia with grasslands: experimental strategy and results from a new European initiative},
	journal = {Plant and Soil },
	volume = {228 (1)},
	year = {2001},
	pages = {131-145},
	author = {Sutton, M.A. and Milford, C. and Nemitz, E. and Theobald, M.R. and Fowler D. and Schjoerring, J.K. and Mattsson, M.E. and Nielsen, K.H. and Husted, S. and Erisman, J.W. and Oties, R. and Hensen, A. and Mosquera, J. and Cellier, P. and Loubert, B. and David, M. and Genermont, S. and Neftel, A. and Blatter, A. and Herrmann, B. and Jones, S.K. and Horvath, L. and Flhrer, E. and Mantzanas, K. and Koukoura, Z. and Gallagher, M. and Williams, P. and Flynn, M. and Riedo, M.}
}
@article {659,
	title = {Comparison of the effects of dry deposited N as NH3 with wet deposited N as NH4Cl on acid moorland vegetation.},
	journal = {Water Air and Soil Pollution (In press).},
	year = {2001},
	author = {Leith, I.D. and Sheppard, L.J. and Pitcairn, C.E.R. and Cape, J.N and Hill, P.W. and Kennedy, V.H. and Tang, Y.S. and Smith, R.I. and Fowler D.}
}
@article {1878,
	title = {Effect of organic matter and liming on the reduction of cadmium uptake from soil by triticale and spring oilseed rape},
	journal = {Science of the Total Environment },
	year = {2001},
	pages = { 37-45},
	author = {Ciecko, Z and Wyszkowski, M and Krajewski, W and Zabielska, J}
}
@article {644,
	title = {Partitioning the variation within the acid neutralizing capacity of surface waters in Scotland in relation to land cover, soil and atmospheric depositional factors},
	journal = {Science of the Total Environment },
	volume = {265},
	year = {2001},
	pages = {39-49},
	author = {Kernan, M. and Helliwel, R.}
}
@article {1903,
	title = {Relationships between chromium biomaginification ratio, accumulation factor and mycorrhizae in plants growing on tannery effluent-polluted soil},
	journal = {Environment International},
	year = {2001},
	pages = {417-423},
	author = {Khan, A. G}
}
@article {1701,
	title = {Biodiversity - Global biodiversity scenarios for the year 2100},
	journal = {Science},
	volume = {287},
	year = {2000},
	pages = {1770-1774},
	keywords = {co2, fresh-water, future, limitation, threats},
	author = {Sala, O. E. and Chapin, F. S. and Armesto, J. J. and Berlow, E. and Bloomfield, J. and Dirzo, R. and Huber-Sanwald, E. and Huenneke, L. F. and Jackson, R. B. and Kinzig, A. and Leemans, R. and Lodge, D. M. and Mooney, H. A. and Oesterheld, M. and Poff, N. L. and Sykes, M. T. and Walker, B. H. and Walker, M. and Wall, D. H.}
}
@article {539,
	title = {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},
	journal = {Hydrology And Earth System Sciences},
	volume = {4},
	year = {2000},
	pages = {125-140},
	author = {Curtis, C. and Allott, T. and Hall, J. and Harriman, R. and Helliwel, R. and Hughes, M. and Kernan, M. and Reynolds, B. and Ullyett, J.}
}
@article {814,
	title = {Elevated atmospheric CO2 and increased nitrogen deposition: effects on C and N metabolism and growth of the peat moss Sphagnum recurvum P. Beauv. var. mucronatum (Russ.) Warnst. },
	journal = {Global Change Biology},
	year = {2000},
	pages = {201-212},
	author = {Van Der Heijden, E. and Verbeek, S.J. and Kuiper, P.J.C.}
}
@article {1444,
	title = {Growth responses to ozone in plant species from wetlands.},
	journal = {Environmental and Experimental Botany},
	volume = {44},
	year = {2000},
	pages = {39-48},
	author = {Franzaring, J. and Tonneijck A.E.G. and Kooijman, A.W.M. and Dueck, T.A.}
}
@article {1918,
	title = {Joint toxicity of copper and zinc to a terrestrial nematode community in an acid sandy soil},
	journal = {Ecotoxicology},
	year = {2000},
	pages = {219-228},
	author = {Korthals, G. W and Bongers, M and Fokkema, A and Dueck, T. A and Lexmond, T. M}
}
@article {2008,
	title = {Joint toxicity of copper and zinc to a terrestrial nematode community in an acid sandy soil},
	journal = {Ecotoxicology},
	year = {2000},
	pages = { 219-228},
	author = {Korthals, G. W and Bongers, M and Fokkema, A and Dueck, T. A and Lexmond, T. M}
}
@article {1955,
	title = {Manganese toxicity as indicated by visible foliar symptoms of Japanese white birch (Betula platyphylla var. japonica)},
	journal = {Environmental Pollution},
	year = {2000},
	pages = {89-94},
	author = {Kitao, M and Lei, T. T and Nakamura, T and Koike, T}
}
@article {2020,
	title = {Response of four turfgrass cultivars to limestone and biosolids-compost amendment of a zinc and cadmium contaminated soil at Palmerton, Pennsylvania},
	journal = {Journal of Environmental Quality},
	year = {2000},
	pages = {1440-1447},
	author = {Li, Y. M and Chaney, R. L and Siebielec, G and Kerschner, B. A}
}
@article {1620,
	title = {Case study of the effects of atmospheric aerosols and regional haze on agriculture: An opportunity to enhance crop yields in China through emission controls?},
	journal = {PNAS},
	volume = {96},
	year = {1999},
	pages = {13626-13633},
	author = {Chameides, W.L. and Yu, H. and Liu, S.C. and Bergin, M. and Zhou, X. and Mearns, L. and Wang, G. and Kiang, C.S. and Saylor, R.D. and Luo, C. and Huang, Y. and Steiner, A. and Giorgi, F.}
}
@article {648,
	title = {Changes in distribution and abundance of submerged macrophytes in the Inner Bay at Long Point, Lake Erie: Implications for foraging waterfowl},
	journal = {Journal of Great Lakes Research },
	volume = {25},
	year = {1999},
	pages = {783-798},
	author = {Knapton, R.W. and Petrie, S.A.}
}
@article {269,
	title = {Climate change: Scottish implications scoping study},
	year = {1999},
	institution = {Scottish Executive Central Research Unit},
	address = {Edinburgh},
	author = {Kerr, A. and Shackley, S. and Milne, R. and Allen, S.}
}
@article {99,
	title = {Closing the global N2O budget: a retrospective analysis 1500 - 1994},
	journal = {Global Biogeochemical Cycles},
	volume = {13},
	year = {1999},
	pages = {1-8},
	author = {Kroeze, C. and Mosier, A. and Bouwman, L.}
}
@article {642,
	title = {Cronartium flaccidum fruitbody production on Melampyrum spp and some important alternate hosts to pine.},
	journal = {European Journal of Forest Pathology},
	volume = {29},
	year = {1999},
	month = {391-398},
	author = {Kaitera, J.}
}
@article {971,
	title = {Nitrogen deposition makes a minor contribution to carbon sequestration in temperate forests.},
	journal = {Nature},
	volume = {398},
	year = {1999},
	pages = {145-148},
	author = {Nadelhoffer and Emmett, B.A. and Gundersen, P. and Kjonaas, O.J. and Koopmans, C.J. and Schleppi, P. and Tietema, A. and Wright, R.F.}
}
@article {1844,
	title = {Comparison of bioaccumulation and deposition of antimony, lead and polycyclic aromatic hydrocarbons in two different areas},
	journal = {Umweltwissenschaften und Schadstoff Forschung},
	year = {1998},
	pages = {276-280},
	author = {Waber, M and Dietl, C and Kohler, J and Peichl, L}
}
@article {742,
	title = {Consequences of high loads of nitrogen for spruce (Picea abies) and beech (Fagus sylvatica) forests. },
	journal = {New Phytologist},
	volume = {139},
	year = {1998},
	pages = {71-89},
	author = {Rennenberg, H. and Kreutzer, K. and Papen, H. and Weber, P.}
}
@article {1289,
	title = {Effects of carbon dioxide and nitrogen enrichment on a plantinsect interaction: the quality of Calluna vulgaris as a host  for Operophtera brumata},
	journal = {New Phytologist},
	volume = {140},
	year = {1998},
	pages = {43-53},
	author = {Kerslake, J.E. and Woodin, S.J. and Hartley, S.E.}
}
@article {824,
	title = {Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands},
	journal = {Plant and Soil },
	volume = {192},
	year = {1998},
	pages = {119-128},
	author = {Veer, M.A.C. and Kooijman, A. M.}
}
@article {100,
	title = {The impact of land use on N2O emissions from watersheds draining into the Northeastern Atlantic Ocean and European Seas},
	journal = {Environtal Pollution},
	volume = {102},
	year = {1998},
	pages = {149 - 158},
	author = {Kroeze, C. and Seitzinger, S.P.}
}
@article {1337,
	title = {Natural abundance of 15N in forests across a nitrogen deposition gradient},
	journal = {Forest Ecology and Management},
	volume = {101},
	year = {1998},
	pages = {9{\textendash}18},
	author = {Emmett, B.A. and Kj{\o}naas, O.J. and Gundersen, P. and Koopmans, C.J. and Tietema, A. and Sleep, D.}
}
@article {698,
	title = {Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)]. },
	journal = {Plant and Soil },
	volume = {198},
	year = {1998},
	pages = {179-184},
	author = {Nilsen, P. and Bxrja, I. and Knitsen, H. and Brean, R.}
}
@article {831,
	title = {Nitrogen deposition and ectomycorhizas},
	journal = {New Phytol},
	volume = {139},
	year = {1998},
	pages = {169-187},
	author = {Wallenda, T. and Kottke, I.}
}
@article {1956,
	title = {Nutrient disturbance through manganese accumulation in Douglas fir},
	journal = {Chemosphere},
	year = {1998},
	pages = {961-964},
	author = {Kaus, A and Wild, A}
}
@article {649,
	title = {Nutrient limitations and their implications on the effects of atmospheric deposition in coastal dunes; lime-poor and lime- rich sites in the Netherlands.},
	journal = {Journal of Ecology },
	volume = {86(3)},
	year = {1998},
	pages = {511-526},
	author = {Kooijman, A. M. and Dopheide, J.C.R. and Sevink, J. and Takken, I. and Verstraten, J. M.}
}
@article {57,
	title = {Peroxyacetyl nitrates (PAN) and other minor pollutants},
	journal = {Recognition of Air Pollutant Injury to Vegetation: A Pictorial Atlas. 2nd Edition. Air \& Waste Management Association, Pittsburgh, PA.},
	year = {1998},
	pages = {pp 6-1 to 6-2},
	author = {Temple, P.J. and Sun, J.E-J. and Krause, G.H.M.}
}
@article {251,
	title = {Soil nitrous oxide and nitric oxide emissions as indicators of the exceedance of critical loads of atmospheric nitrogen deposition in semi-natural ecosystems},
	journal = {Environmental Pollution},
	volume = {102},
	year = {1998},
	pages = {457-461},
	author = {Skiba, U. and Sheppard, L.J. and Pitcairn, C.E.R. and Leith, I.D. and Crossley, A. and van Dijk, S. and Kennedy, V.J. and Fowler, D.}
}
@article {1894,
	title = {Canadian water quality guidelines for chromium},
	journal = {Environmental Toxicology and Water Quality},
	year = {1997},
	pages = {123-183},
	author = {Pawlisz, A. V and Kent, R. A and Schneider, U. A and Jefferson, C}
}
@article {150,
	title = {Depositional time trends and remobilization of PCBs in lake sediments},
	journal = {Environmental Science and Technology},
	volume = {31},
	year = {1997},
	pages = {3274-3280},
	author = {Gevao, B. and Hamilton-Taylor, J. and Murdock, C. and Jones, K.C. and Kelly, M. and Tabner, B.J.}
}
@article {641,
	title = {Early development of freshwater sponges under the influence of nitrite and pH. },
	journal = {Archiv Fur Hydrobiologie },
	volume = {137},
	year = {1997},
	pages = {69-81},
	author = {Kahlert, M. and Neumann, D.}
}
@article {51,
	title = {Fluorinated organics in the biosphere},
	journal = {Environmental Science and Technology},
	volume = {31},
	year = {1997},
	pages = {2445-2454},
	author = {Key, B.D. and Howell, R.D. and Criddle, C.S.}
}
@article {603,
	title = {Growth of autotrophic and root-hemiparasitic understory plants under elevated CO2 and increased N deposition},
	journal = {Acta Oecologica},
	volume = {18},
	year = {1997},
	pages = {327-333 },
	author = {Hattenschwiler, S. and Korner, C.}
}
@article {292,
	title = {Vertically-challenged limnology; Contrasts between deep and shallow lakes},
	journal = {Hydrobiologia},
	volume = {342},
	year = {1997},
	pages = {257-267},
	author = {Moss, B. and Beklioglu, M. and Carvalho, L. and Kilinc, S. and McGowan, S. and Stephen, D.}
}
@article {64,
	title = {Calculation and evaluation of sediment effect concentrations for the amphiod Hyalella azteca and the midge Chironomus riparius},
	journal = {Journal of Great Lakes Research},
	volume = {22},
	year = {1996},
	pages = {602-623},
	author = {Ingersoll, C.G. and Haverland, P.S. and Brunson, E.L. and Canfield, T.J. and Dwyer, F.J. and Henke, C.E. and Kemble, N.E. and Mount, D.R. and Fox, R.G.}
}
@article {308,
	title = {Critical levels for ozone in Europe: Testing and finalising the concepts},
	year = {1996},
	author = {Karenlampi, L.},
	editor = {Skarby, L.}
}
@article {583,
	title = {Optimal quantum yield of photosystem II and chlorophyll degradation of Lobaria pulmonaria in relation to pH Lichenologist},
	volume = {28},
	year = {1996},
	pages = {267-278},
	author = {Gauslaa, Y. and Kopperud, C. and Solhaug, K.A.}
}
@article {645,
	title = {Plant Cuticles - an Integrated Functional Approach},
	year = {1996},
	publisher = {Bios Scientific Publishers},
	address = {Oxford},
	author = {Kersteins, G.}
}
@article {69,
	title = {A preliminary evaluation of sediment quality assessment values for freshwater ecosystems},
	journal = {Journal of Great Lakes Research},
	volume = {22},
	year = {1996},
	pages = {624-638},
	author = {Smith, S.L. and MacDonald, D.D. and Keenleyside, K.A. and Ingersoll, C.G. and Field, L.J.}
}
@article {232,
	title = {The use of biomarkers in environmental exposure assessment},
	year = {1996},
	pages = {114 pp},
	institution = {Institute for Environment and Health},
	address = {Leicester},
	author = {Gompertz, D. and Shuker, D. and Toniolo, P. and Shuker, L. and Bingham, S. and Calow, P. and Coggon, D. and King, N. and McMichael, A. and Walker, C.}
}
@article {680,
	title = {Ammonia Volatilization in a Mexican Bat Cave Ecosystem},
	journal = {Biogeochemistry},
	volume = {30},
	year = {1995},
	pages = {1-8},
	author = {McFarlane, D.A. and Keeler, RC. and Mizutani, H.}
}
@article {187,
	title = {Ecosystem responses to reduced nitrogen and sulphur inputs into two coniferous forest stands in the Netherlands},
	journal = {Forest Ecology and Management},
	volume = {71},
	year = {1995},
	pages = {7-29},
	author = {Boxman, A.W. and van Dam, D. and van Dijk, H.F.G. and Hogervorst, R.F. and Koopmans, C.J.}
}
@article {618,
	title = {Effects of gaseous air pollutants on aphid performance on Scots pine and Norway spruce seedlings. },
	journal = {Water, Air and Soil Pollution},
	volume = {85},
	year = {1995},
	pages = {1431-1436},
	author = {Holopainen, J. K. and Kainulainen, P. and Oksanen, J.}
}
@article {1959,
	title = {Heavy metals in birch leaves around a nickel-copper smelter at Monchegorsk, Northwestern Russia},
	journal = {Environmental Pollution},
	year = {1995},
	pages = {291-299},
	author = {Kozlov, M. V and Haukioja, E and Bakhtiarov, A. V and Stronganov, D. N}
}
@article {715,
	title = {Inter actions of elevated CO2, NH3 and O3 on mycorrhizal infection, gas exchange and N metabolism in seedlings of Scots pine},
	journal = {Plant and Soil },
	volume = {176},
	year = {1995},
	pages = {107-116},
	author = {Pirez-Soba, M. and Dueck, T.A. and Puppi, G. and Kuiper, P.J.C.}
}
@article {1682,
	title = {Interactions of elevated CO2, NH3 and O3 on mycorrhizal infection, gas exchange and N metabolism in saplings of Scots pine.},
	journal = {Plant and Soil},
	volume = {176},
	year = {1995},
	pages = {107-116},
	author = {Perez-Soba, M and Dueck, T.A. and Puppi, G. and Kuiper, P.J.C.}
}
@article {170,
	title = {Mycorrhizal studies of a Scots Pine plantation affected by pollution from a phosphate fertiliser plant},
	journal = {Water, Air and Soil Pollution},
	volume = {85},
	year = {1995},
	pages = {1281-1286},
	author = {Rudawska, M. and Kieliszewska-Rocicka, B. and Leski, T. and Oleksyn, J.}
}
@article {286,
	title = {The nitrogen-phosphorus relationship in mountain lakes: Influence of atmospheric input, watershed, and pH},
	journal = {Limnology and Oceanography},
	volume = {40},
	year = {1995},
	pages = {930-937},
	author = {Kop{\'a}cek, J. and Proch{\'a}zkov{\'a}, L. and Stuchl{\'\i}k, E. and Blacka, P.}
}
@article {1957,
	title = {Trace metal contamination in and on Balsam fir (Abies balsamea (L) mill.) foliage in Southern Quebec, Canada},
	journal = {Water, Air, and Soil Pollution},
	year = {1995},
	pages = {175-191},
	author = {Lin, Z. Q and Schuepp, P. H and Schemenauer, R. S and Kennedy, G. G}
}
@article {1711,
	title = {Does nitrogen supply limit the growth of Antarctic lichens?},
	journal = {Cryptogamic Botany},
	volume = {4},
	year = {1994},
	pages = {143-155},
	author = {Crittenden, P.D. and Kalucka, I. and Oliver, E.}
}
@article {191,
	title = {Group report: are chemical and biological changes reversible?},
	number = {Environmental Sciences Report ES14},
	year = {1994},
	pages = {375-391},
	institution = {John Wiley and Sons},
	address = {Chichester},
	author = {Dise, N.B. and Ahlf, W. and Brahmer, G. and Cosby, B.J. and Fott, J. and Hauhs, M. and Juttner, I. and Kreutzer, K. and Raddum, G.G. and Wright, R.F.},
	editor = {Steinberg, C.E.W. and Wright, R.F.}
}
@article {1958,
	title = {Response of blue spruce (Picea pungens) to manganese pollution from MMT},
	journal = {Water Air and Soil Pollution},
	year = {1994},
	pages = {319-324},
	author = {Forget, E. and Courchesne, F and Kennedy, G and Zayed, J.}
}
@article {771,
	title = {Effect of acid rain on pine needles as food for capercaillie in winter},
	journal = {Oecologia},
	volume = {94},
	year = {1993},
	pages = {565-570},
	author = {Spidsx, T.K. and Korsmo, H.}
}
@article {197,
	title = {Acid Soil and Acid Rain},
	journal = {Research Studies Press},
	year = {1992},
	edition = {Second edition},
	author = {Kennedy, I.R.}
}
@article {1472,
	title = {The decrease of rich fen Bryophytes in the Netherlands.},
	journal = {Biological Conservation},
	volume = {59},
	year = {1992},
	pages = {139-143},
	author = {Kooijman, A.M.}
}
@article {558,
	title = {Ectomycorrhizal colonisation of loblolly pine seedlings during three growing seasons in response to ozone, acidic precipitation and soil Mg status},
	journal = {Environmental Pollution},
	volume = {76},
	year = {1992},
	pages = {71-77},
	author = {Edwards, G.S. and Kelly, J.M.}
}
@article {599,
	title = {Effects of simulated nitrogen rich and acid rain on the nitrogen-fixing lichen Peltigera aphthosa (L.) Willd. },
	journal = {New Phytologist},
	volume = {120},
	year = {1992},
	pages = {99-103},
	author = {Hallbdcken, L. and Kellner, O.}
}
@article {579,
	title = {Physiological response of three species of Sphagnum to ozone},
	journal = {Journal Bryology },
	volume = {17},
	year = {1992},
	pages = {81-91},
	author = {Gagnon, Z.E. and Karnosky, D.F.}
}
@article {198,
	title = {Increases in soil acidity in north west Wales between 1957 and 1990},
	journal = {Ambio},
	volume = {20},
	year = {1991},
	pages = {118-119},
	author = {Kuylenstierna, J.C.L. and Chadwick, M.J.}
}
@article {1530,
	title = {Afforestation and Lake Acidification: A Comparison of Four Sites in Scotland.},
	journal = {Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences},
	volume = {327},
	year = {1990},
	pages = {337-383},
	author = {Kreiser, A.M. and Appleby, P.G. and Natkanski, J. and Rippey, B. and Battarbee, R.W.}
}
@article {523,
	title = {Cation-exchange properties and adaptation to soil acidity in bryophytes},
	journal = {New Phytologist },
	volume = {115},
	year = {1990},
	pages = {117-186},
	author = {Buscher, P. and Koedam, N. and Vanspeybroeck, D.}
}
@article {1636,
	title = {Fine Root Studies in situ and in the Laboratory.},
	journal = {Environmental Pollution},
	volume = {68},
	year = {1990},
	pages = {383-407},
	author = {Wollmer, H. and Kottke, I.}
}
@inbook {646,
	title = {Large Lakes: ecological structure and function},
	year = {1990},
	pages = {403-414},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	chapter = {Relationship of phytoplankton and nutrients to stoichiometric measures},
	address = {New York},
	author = {Kilham, S.S. and Tilzer, M.M. (Eds) and Serruya, C. (Eds)}
}
@article {1998,
	title = {Phytoavailability and toxicity of beryllium and vanadium},
	journal = {Water, Air, and Soil Pollution},
	year = {1990},
	pages = {203-212},
	author = {Kaplan, D and Sajwan, K and Adriano, D and Gettier, S}
}
@article {643,
	title = {Effects of N-emissions on nutrient status and vitality of Pinus sylvestris near a hen house. },
	volume = {113},
	year = {1989},
	pages = {279-328},
	author = {Kaupenjohann, M. and Dohler, H. and Bauer, M.}
}
@article {1891,
	title = {Results of the harmful effects of water pollutants to Daphnia magna in the 21 day Reproduction Test},
	journal = {Water Research},
	year = {1989},
	pages = {501-510},
	author = {K{\"u}hn, R and Pattard, M and Pernak, K and Winter, A}
}
@article {543,
	title = {Simulation of the long-term soil response to acid deposition in various buffer ranges},
	journal = {Water, Air and Soil Pollution },
	volume = {48},
	year = {1989},
	pages = {349-490},
	author = {de Vries, W. and Posch, M. and Kamari, J.}
}
@article {723,
	title = {Unifying nutrient-chlorophyll relationships in lakes. },
	journal = {Canadian Journal of Fisheries and Aquatic Sciences },
	volume = {46},
	year = {1989},
	pages = {1176-1182},
	author = {Prairie, Y.T. and Duarte, C.M. and Kalff, J.}
}
@article {111,
	title = {Evaluation of the Montsouris series of ozone measurements made in the nineteenth century},
	journal = {Nature},
	volume = {332},
	year = {1988},
	pages = {240-241},
	author = {Volz, A. and Kley, D.}
}
@book {60,
	title = {Lake Acidification in the United Kingdom 1800-1986},
	year = {1988},
	publisher = {ENSIS Publishing},
	organization = {ENSIS Publishing},
	address = {London},
	author = {Battarbee, R.W. and Anderson, N.J. and Appleby, P.G. and Flower, R.J. and Fritz, S.C. and Haworth, E.Y. and Higgitt, S. and Jones, V.J. and Kreiser, A. and Munro, M.A.R. and Natkanski, J. and Oldfield, F. and Patrick, S.T. and Richardson, N.G. and Rippey, B. and Stevenson, A.C.}
}
@article {1939,
	title = {Response of blueberry species to excessive manganese},
	journal = {Journal of the American Society for Horticultural Science},
	year = {1988},
	pages = { 189-193},
	author = {Korcak, R. F}
}
@article {1915,
	title = {Daphnia magna as a model to assess heavy metal toxicity: comparative assessment with the mouse system},
	journal = {Acta Hydrochim Hydrobiol},
	year = {1987},
	pages = {427-432},
	author = {Khangarot, B. S and Ray, P. K}
}
@article {1981,
	title = {Sensitivity of toad tadpoles, Bufo melanostictus (Schneider), to heavy metals},
	journal = {Bulletin of Environmental Contamination and Toxicology},
	year = {1987},
	pages = {523-527},
	author = {Khangarot, B. S and Ray, P. K}
}
@article {1990,
	title = {Determination of platinum and iridium in marine waters, sediments and organisms},
	journal = {Analytical Chemistry},
	year = {1986},
	pages = {616-620},
	author = {Hodge, V. F and Stallard, M and Koide, M and Goldberg, E. D}
}
@article {1339,
	title = {The effects of air-borne ammonium sulphate on Pinus nigra in the Netherlands},
	journal = {Plant Soil},
	volume = {42},
	year = {1985},
	pages = {372{\textendash}377},
	author = {Roelofs, J.G.M. and Kempers, A.J. and Houdijk, A.L.F.M. and Jansen, J.}
}
@book {1905,
	title = {Trace elements in soils and plants},
	series = {Trace elements in soils and plants},
	year = {1984},
	publisher = {CRC Press},
	organization = {CRC Press},
	address = {Boca Raton, Florida},
	author = {Kabata-Pendias, A and Pendias, H}
}
@article {1883,
	title = {Cadmium and mercury nephrotoxicity},
	journal = {Nature},
	year = {1983},
	pages = {633-635},
	author = {Nicholson, J. K and Kendall, M. D and Osborn, D}
}
@article {650,
	title = {Response of several eastern forest trees to low doses of ozone and nitrogen oxide},
	journal = {Pl. Disease },
	volume = {66},
	year = {1982},
	pages = {1149-1152},
	author = {Kress, L.W. and Skelly, J.M.}
}
@article {1997,
	title = {Palladium in plant ash},
	journal = {Plant and Soil},
	year = {1979},
	pages = {547-550},
	author = {Kothny, E. L}
}
@book {24,
	title = {Microphysics of Clouds and Precipitation},
	year = {1978},
	pages = {715 pp},
	publisher = {Reidel Publishing Company},
	organization = {Reidel Publishing Company},
	address = {Dordrecht, NL},
	author = {Pruppacher, H.R. and Klett, J.D.}
}
@article {1969,
	title = {Acute toxicity of a native mummichog population (Fundulus heteroclitus) to mercury},
	journal = {Bulletin of Environmental Contamination and Toxicology},
	year = {1975},
	pages = {534-536},
	author = {Klaunig, J and Koepp, S and McCormick, M}
}
@article {1848,
	title = {Influence of soil arsenic on the growth of lowbush blueberry},
	journal = {Journal of Environmental Quality},
	year = {1973},
	pages = {335-337},
	author = {Anastasia, F. B and Kender, W. J.}
}
@article {647,
	title = {Kiefernwaldbreitung und Schwefeldioxid-Immissionen im Ruhrgebiet},
	journal = {Staub-Reinhalt},
	volume = {Luft 39},
	year = {1970},
	pages = {32-35},
	author = {Knabe, W.}
}
