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  • Anttonen, S., Vapaavuori, E., Kostiainen, K., Isebrands, J.G., McDonald, E., Sober, J. & Karnosky, D.F. (2001) Effect of elevated CO2 and O3 on the chemical composition of wood in aspen clones: results after 3 years of exposure in the Aspen FACE project. Forest Research: A Challenge for an Integrated European Approach, International Conference Proceedings, Thessaloniki, Greece (Radoglou, K., ed.), pp. 239242. ISBN: 960-869-47-3-6.
  • Awmack, C.S. & Harrington, R. (2000) Elevated CO2 affects the interactions between aphid pests and host plant flowering. Agricultural and Forest Entomology 2, 257261.
  • Barbo, D.N., Chappelka, A.H., Somers, G.L., Miller-Goodman, M.S. & Stolte, K. (1998) Diversity of an early successional plant community as influenced by ozone. New Phytologist 138, 653662.
  • Barnes, J.D. & Wellburn, A.R. (1998) Air pollutant combinations. Responses of Plant Metabolism to Air Pollution and Global Change (eds L.J.DeKok & I.Stulen), pp. 147164. Backhuys, Leiden, the Netherlands.
  • Barnes, J.D., Ollerenshaw, J.H. & Whitfield, C.P. (1995) Effects of elevated CO2 and/or O3 on growth, development and physiology of wheat (Triticum aestivum L.). Global Change Biology 1, 129142.
  • Barnola, J.M., Anklin, M., Porheron, J., Raynaud, D., Schwander, J. & Stauffer, B.T.I. (1995) CO2 evolution during the last millennium as recorded by Antarctic and Greenland ice. Tellus B 47, 264272.
  • Bender, J., Herstein, U. & Black, C.R. (1999) Growth and yield responses of spring wheat to increasing carbon dioxide, ozone and physiological stresses: a statistical analysis of ‘ESPACE – wheat’ results. European Journal of Agronomy 10, 185195.
  • Berrang, P.C., Karnosky, D.F., Mickler, R.A. & Bennett, J.P. (1986) Natural selection for ozone tolerance in Populus tremuloides. Canadian Journal of Forest Research 16, 12141216.
  • Bezemer, T.M. & Jones, T.H. (1998) Plant–insect herbivore interactions in elevated atmospheric CO2: quantitative analyses and guild effects. Oikos 82, 212222.
  • Bortier, K., Ceulemans, R. & Temmerman, L.D. (2000) Effects of tropospheric ozone on woody plants. Environmental Pollution and Plant Responses (eds S.B.Agrawal & M.Agrawal), pp. 153182. Lewis Publishers, New York.
  • Broadmeadow, M.S. & Jackson, S.B. (2000) Growth responses of Quercus petraea, Fraxinus excelsior and Pinus sylvestris to elevated carbon dioxide, ozone, and water supply. New Phytologist 146, 437451.
  • Ceulemans, R. & Mousseau, M. (1994) Effects of elevated atmospheric CO2 on woody plants. New Phytologist 127, 425446.
  • Chappelka, A.H. & Samuelson, L.J. (1998) Ambient ozone effects on forest trees of the eastern United States: a review. New Phytologist 139, 91108.
  • Coleman, M.D., Dickson, R.E., Isebrands, J.G. & Karnosky, D.F. (1995a) Photosynthetic productivity of aspen clones varying in sensitivity to tropospheric ozone. Tree Physiology 15, 585592.
  • Coleman, M.D., Dickson, R.E., Isebrands, J.G. & Karnosky, D.F. (1995b) Carbon allocation and partitioning in aspen clones varying in sensitivity to tropospheric ozone. Tree Physiology 15, 593604.
  • Costa e Silva, J., Wellendorf, H. & Pereira, H. (1998) Clonal variation in wood quality in young Sitka spruce (Picea sitchensis (Bong.) Carr.): estimation of quantitative genetic parameters and index selection for improved pulpwood. Silvae Genetica 47, 2033.
  • Cotrufo, M.F., Ineson, P. & Scott, A. (1998) Elevated CO2 reduces the nitrogen concentration of plant tissues. Global Change Biology 4, 4354.
  • Curtis, P.S. (1996) A meta-analysis of leaf gas exchange and nitrogen in trees grown under elevated carbon dioxide. Plant Cell Environment 19, 127137.
  • Curtis, P.S. & Wang, X. (1998) A meta-analysis of elevated CO2 effects on woody plant mass, form, and physiology. Oecologia 113, 299313.
  • Denne, M.P., Calahan, C.M. & Aebischer, D.P. (1999) Influence of growth rate and cambial age on density of Rauli (Nothofagus nervosa) in relation to vessel lumen areas and numbers. Holzforschung 53, 199203.
  • Dickson, R.E. & Isebrands, J.G. (1991) Leaves as regulators of stress response. Response of Plants to Multiple Stresses (eds H.A.Mooney, W.E.Winner & E.J.Pell). Academic Press, London, pp. 334.
  • Dickson, R.E., Coleman, M.D., Riemenschneider, D.E., Isebrands, J.G., Hogan, G.D. & Karnosky, D.F. (1998) Growth of five hybrid poplar genotypes exposed to interacting elevated CO2 and O3. Canadian Journal of Forest Research 28, 17061716.
  • Dickson, R.E., Lewin, K.F., Isebrands, J.G., Coleman, M.D., Heilman, W.E., Riemenschneider, D.E., Sôber, J., Host, G.E., Zak, D.R., Hendrey, G.R., Pregitzer, K.S. & Karnosky, D.F. (2000) Forest atmosphere carbon transfer storage-II (FACTS II) – the aspen free-air CO2 and O3 enrichment (FACE) project: an overview. General Technical Report NC-214. USDA Forest Service, North Central Research Station, Rhinelander, WI.
  • Donnelly, A., Craigon, J., Black, C.R., Colls, J.J. & Landon, G. (2001) Elevated CO2 increases biomass and tuber yield in potato even at high ozone concentrations. New Phytologist 149, 265274.
  • Finlayson-Pitts, B.J. & Pitts, Jr (1997) Tropospheric air pollution: ozone, airborne toxics, polycyclic aromatic hydrocarbons, and particulates. Science 276, 10451051.
  • Fowler, D., Flechard, C., Skiba, U., Coyle, M. & Cape, J.N. (1998) The atmospheric budget of oxidized nitrogen and its role in ozone formation and deposition. New Phytologist 139, 1123.
  • Fowler, D., Cape, J.N., Coyle, M., Flechard, C., Kuylenstierna, J., Hicks, K., Derwent, D., Johnson, C. & Stevenson, D. (1999a) The global exposure of forests to air pollutants. Water, Air and Soil Pollution 116, 532.
  • Fowler, D., Cape, J.N., Coyle, M., Smith, R.I., Hjellbrekke, A.-G., Simpson, D., Derwent, R.G. & Johnson, C.E. (1999b) Modelling photochemical oxidant formation, transport, deposition and exposure of terrestrial ecosystem. Environmental Pollution 100, 4345.
  • Gagnon, Z.E., Karnosky, D.F., Dickson, R.E. & Isebrands, J.G. (1992) Effect of ozone on chlorophyll content in Populus tremuloides. American Journal of Botany 79, 107.
  • Hao, X., Hale, B.A., Ormrod, D.P. & Papadopoulos, A.P. (2000) Effects of pre-exposure to ultraviolet-B radiation on responses of ambient and elevated carbon dioxide. Environmental Pollution 110, 217224.
  • Hättenschwiler, S., Schweingruber, F.H. & Körner, C. (1996) Tree ring responses to elevated CO2 and increased N deposition in Picea abies. Plant Cell and Environment 19, 13691378.
  • Hatton, J.V. & Hunt, K. (1992) Wood density and chemical properties of second-growth lodgepole pine. Tappi 1992 Pulping Conference Proceedings, pp. 873882. Tappi Press.
  • Heagle, A.S., Miller, J.E. & Pursley, W.A. (1998) Influence of ozone stress on soybean response to carbon dioxide enrichment. III. Yield and seed quality. Crop Science 38, 128134.
  • Heck, W.W., Furiness, C.S., Cowling, E.B. & Sims, C.K. (1998) Effects of ozone on crop, forest, and natural ecosystems: assessments of research needs. EM; Air and Waste. Management Association, Pittsburgh, PA, pp. 1122.
  • Hendrey, G.R., Long, S.P., McKee, I.F. & Baker, N.R. (1997) Can photosynthesis respond to short-term fluctuations in atmospheric carbon dioxide? Photosynthesis Research 5, 179184.
  • Hendrey, G.R., Ellsworth, D.S., Lewin, K.F. & Nagy, J. (1999) A free-air enrichment system for exposing tall forest vegetation to elevated atmospheric CO2. Global Change Biology 5, 293309.
  • Hogsett, W.E., Weber, J.E., Tingey, D., Herstrom, A., Lee, E.H. & Laurence, J.A. (1997) An approach for characterizing tropospheric ozone risk to forests. Environmental Management 21, 105120.
  • Hudak, C., Bender, J., Weigel, H.-J. & Miller, J. (1999) Interactive effects of elevated CO2, O3, and soil water deficient on spring wheat (Triticum aestivum L. cv. Nandu). Agronomie 19, 677687.
  • Hylen, G. (1999) Age trends in genetic parameters of wood density in young Norway spruce. Canadian Journal of Forest Research 29, 135143.
  • IPCC (2001) A report of working group I of the Intergovernmental Panel on Climate Change. http://www.ipcc.ch/
  • Isebrands, J.G., McDonald, E.P., Kruger, E., Hendrey, G., Pregitzer, K., Percy, K., Sôber, J. & Karnosky, D.F. (2001) Growth responses of Populus tremuloides clones to interacting carbon dioxide and tropospheric ozone. Environmental Pollution 115, 359371.
  • Karnosky, D.F. (1976) Threshold levels for foliar injury to Populus tremuloides Michx. by sulfur dioxide and ozone. Canadian Journal of Forest Research 6, 166169.
  • Karnosky, D.F., Gagnon, Z.E., Reed, D.D. & Witter, J.A. (1992) Growth and biomass allocation of symptomatic and asymptomatic Populus tremuloides clones in response to seasonal ozone exposures. Canadian Journal of Forest Research 22, 17851788.
  • Karnosky, D.F., Gagnon, Z.E., Dickson, R.E., Coleman, M.D., Lee, E.H. & Isebrands, J.G. (1996) Changes in growth, leaf abscission, and biomass associated with seasonable tropospheric ozone exposures of Populus tremuloides clones and seedlings. Canadian Journal of Forest Research 16, 2327.
  • Karnosky, D.F., Podila, G.K., Gagnon, Z., Pechter, P., Akkapeddi, A., Coleman, M., Dickson, R.E. & Isebrands, J.G. (1998) Genetic control of responses to interacting tropospheric ozone and CO2 in Populus tremuloides. Chemosphere 36, 807812.
  • Karnosky, D.F., Mankovska, B., Percy, K., Dickson, R.E., Podila, G.K., Sôber, J., Noormets, A., Hendrey, G., Coleman, M.D., Kubiske, M.E., Pregtizer, K.S. & Isebrands, J.G. (1999) Effects of tropospheric O3 on trembling aspen and interaction with CO2: results from an O3-gradient and a FACE experiment. Water, Air, and Soil Pollution 116, 311322.
  • Karnosky, D.F., Gielen, B., Ceulemans, R., Schlesinger, W.H., Norby, R.J., Oksanen, E., Matyssek, R. & Hendrey, G.R. (2001) FACE systems for studying the impacts of greenhouse gases on forest ecosystems. The Impacts of Carbon Dioxide and Other Greenhouse Gases on Forest Ecosystems (eds D.F.Karnosky, G.Scarascia-Mugnozza, R.Ceulemans & J.Innes). CABI Publishing, Wallingford, UK, pp. 297324.
  • Karnosky, D.F., Percy, K.E., Xiang, B., Callan, B., Noormets, A., Mankovska, B., Hopkin, A., Sôber, J., Jones, W., Dickson, R.E. & Isebrands, J.G. (2002a) Interacting CO2–tropospheric O3 and predisposition of aspen (Populus tremuloides Michx.) to infection by Melampsora medusae rust. Global Change Biology 8, 110.
  • Karnosky, D.F., Percy, K., Mankovska, B., Pritchard, T., Noormets, A., Dickson, R.E., Jepsen, E. & Isebrands, J.G. (2002b) Ozone affects the fitness of trembling aspen. Air Pollution, Global Change and Forests in the New Melennium (eds Karnosky, D.F., Percy, K.E., Chappelka, A.H., Simpson, C.J. & Pikkarainen, J.M.). Elsevier Science, Oxford, UK, in press.
  • Keeling, C.M., Whort, T.P., Wahlen, M. & Vander Plict, J. (1995) International extremes in the rate of rise of atmospheric carbon dioxide since 1980. Nature 375, 666670.
  • King, J.N., Cartwright, C., Hatton, J. & Yanchuk, A.D. (1998) The potential of improving western hemlock pulp and paper quality. I. Genetic control and interrelationships of wood and fibre traits. Canadian Journal of Forest Research 28, 863870.
  • King, J.S., Pregitzer, K.S., Zak, D.R., Sôber, J., Isebrands, J.G., Dickson, R.E., Hendrey, G.R. & Karnosky, D.F. (2001) Fine root biomass and fluxes of soil carbon in young stands of paper birch and trembling aspen as affected by elevated atmospheric CO2 and tropospheric O3. Oecologia 128, 237250.
  • Kopper, B.J. (2001) Consequences of elevated carbon dioxide and ozone for interactions between deciduous trees and lepidopteran folivores. PhD thesis, University of Wisconsin-Madison.
  • Kopper, B.J. & Lindroth, R.L. (2003) Responses of trembling aspen (Populus tremuloides) phytochemistry and aspen blotch leafminer (Phyllonorycter tremuloidiella) performance to elevated levels of atmospheric CO2 and O3. Agricultural and Forest Entomology, 5, 1726.
  • Körner, C. (2000) Biosphere responses to CO2 enrichment. Ecological Applications 10, 15901619.
  • Kubiske, M.E. & Godbold, D.L. (2001) Influence of carbon dioxide on the growth and function of roots and root systems. The Impacts of Carbon Dioxide and Other Greenhouse Gases on Forest Ecosystems (eds D.F.Karnosky, G.Scarascia-Mugnozza, R.Ceulemans & J.Innes). CABI Publishing, Wallingford, UK, pp. 297324.
  • Kull, O., Sôber, A., Coleman, M.D., Dickson, R.E., Isebrands, J.G., Gagnon, Z. & Karnosky, D.F. (1996) Photosynthetic response of aspen clones to simultaneous exposures of ozone and CO2. Canadian Journal of Forest Research 16, 639648.
  • Kurz, W.A. & Apps, M.J. (1999) A 70-year retrospective analysis of carbon fluxes in the Canadian forest sector. Ecology Applications 9, 526547.
  • Larson, J.L., Zak, D.R. & Sinsabaugh, R.L. (2002) Microbial activity beneath temperate trees growing under elevated CO2 and O3. Soil Science Society of America Journal 66, 18481856.
  • Lawson, T., Craigon, J., Black, C.R., Colls, J.J., Tulloch, A.-M. & Landon, G. (2001) Effects of elevated carbon dioxide and ozone on the growth and yield of potatoes (Solanum tuberosum) grown in open-top chambers. Environmental Pollution 111, 479491.
  • Lindroth, R.L., Kinney, K.K. & Platz, C.L. (1993) Responses of deciduous trees to elevated atmospheric CO2: productivity, phytochemistry and insect performance. Ecology 74, 763777.
  • Lindroth, R.L., Roth, S., Kruger, E.L., Volin, J.C. & Koss, P.A. (1997) CO2-mediated changes in aspen chemistry: effects on gypsy moth performance and susceptibility to virus. Global Change Biology 3, 279289.
  • Lindroth, R.L., Kopper, B.J., Parsons, W.F.J., Bockheim, J.G., Sôber, J., Hendrey, G.R., Pregitzer, K.S., Isebrands, J.G. & Karnosky, D.F. (2001) Effects of elevated carbon dioxide and ozone on foliar chemical composition and dynamics in trembling aspen (Populus tremuloides) and paper birch (Betula papyrifera). Environmental Pollution 115, 394404.
  • Lindroth, R.L., Wood, S.A. & Kopper, B.J. (2002) Response of quaking aspen genotypes to enriched CO2: foliar chemistry and tussock moth performance. Agricultural and Forest Entomology 4, 315323.
  • Mankovska, B., Percy, K. & Karnosky, D.F. (1998) Impact of ambient tropospheric O3, CO2, and particulates on the epicuticular waxes of aspen clones differing in O3 tolerance. Ekológia 18, 200210.
  • Martin, M.J., Host, G.E., Lenz, K.E. & Isebrands, J.G. (2001) Simulating the growth responses of aspen to elevated ozone: a mechanistic approach to scaling a leaf-level model of ozone effects on photosynthesis to a complex canopy architecture. Environmental Pollution 115, 425436.
  • Matyssek, R. & Innes, J.L. (1999) Ozone – a risk factor for trees and forests in Europe? Journal of Water, Air, and Soil Pollution 116, 199226.
  • McDonald, E.P., Kruger, E.L., Riemenschneider, D.E. & Isebrands, J.G. (2000) Consequences of elevated levels of atmospheric CO2 and O3 for growth of Populus tremuloides clones: the role of competition. Proceedings of Air Pollution, Global Change and Forests in the New Millennium: 19th International Meeting for Specialists in Air Pollution Effects on Forest Ecosystems, Houghton, Michigan, p. 58, Michigan Technological University.
  • McDonald, E.P., Kruger, E.L., Riemenschneider, D.E. & Isebrands, J.G. (2002) Competitive status influences tree-growth responses to elevated CO2 and O3 in aggrading aspen stands. Functional Ecology 16, 792801.
  • McKee, I.F., Bullimore, J.F. & Long, S.P. (1997) Will elevated CO2 concentrations protect the yield of wheat from O3 damage? Plant, Cell and Environment 20, 7784.
  • McLeod, A.R. & Long, S.P. (1999) Free-air carbon dioxide enrichment (FACE) in global change research: a review. Advances in Ecological Research 28, 156.
  • McLeod, A.R., Fackrell, J.E. & Alexander, K. (1985) Open-air fumigation of field crops: criteria and design for a new experimental system. Atmospheric Environment 19, 16391649.
  • Miller, J.E., Heagle, A.S. & Pursley, W.A. (1998) Influence of ozone stress on soybean response to carbon dioxide enrichment. II. Biomass and development. Crop Science 38, 122128.
  • Moore, B.D., Cheng, S.H., Sims, D. & Seemann, J.R. (1999) The biochemical and molecular basis for photosynthetic acclimation of elevated atmospheric CO2. Plant Cell and Environment 22, 567582.
  • Noormets, A. (2001) The effects of interacting CO2 and O3 on the carbon balance of aspen (Populus tremuloides Michx.) grown in an open-air CO2 and O3 enrichment system. PhD thesis, Michigan Technological University.
  • Noormets, A., Podila, G.K. & Karnosky, D.F. (2000) Rapid response of antioxidant enzymes to O3-induced oxidative stress in Populus tremuloides clones varying in O3 tolerance. Forest Genetics 7, 339342.
  • Noormets, A., Sober, A., Pell, E.J., Dickson, R.E., Podila, G.K., Sober, J., Isebrands, J.G. & Karnosky, D.F. (2001a) Stomatal and non-stomatal limitation to photosynthesis in two trembling aspen (Populus tremuloides Michx.) clones exposed to elevated CO2 and/or O3. Plant, Cell and Environment 24, 327336.
  • Noormets, A., McDonald, E.P., Kruger, E.L., Sober, A., Isebrands, J.G., Dickson, R.E. & Karnosky, D.F. (2001b) The effect of elevated carbon dioxide and ozone on leaf- and branch-level photosynthesis and potential plant-level carbon gain in aspen. Trees 15, 262270.
  • Norby, R.J., Wullschleger, S.D., Gunderson, C.A., Johnson, D.W. & Ceulemans, R. (1999) Tree responses to rising CO2 in field experiments: implications for the future forest. Plant Cell and Environment 22, 683714.
  • Norby, R.J., Long, T.M., Hartz-Rubin, J.S. & O'Neill, E.G. (2000) Nitrogen resorption in senescing tree leaves in a warmer, CO2-enriched atmosphere. Plant and Soil 224, 1529.
  • Norby, R.J., Cotrufo, M.F., Ineson, P., O'Neill, E.G. & Canadell, J.G. (2001a) Elevated CO2, litter chemistry, and decomposition: a synthesis. Oecologia 127, 153165.
  • Norby, R.J., Todd, D.E., Fults, J. & Johnson, D.W. (2001b) Allometric determination of tree growth in a CO2-enriched sweetgum stand. New Phytologist 150, 477487.
  • Oksanen, E., Sôber, J. & Karnosky, D.F. (2001) Interactions of elevated CO2 and ozone in leaf morphology of aspen (Populus tremuloides) and birch (Betula papyrifera) in aspen FACE experiment. Environmental Pollution 115, 437446.
  • Olszyk, D.M., Tibbitts, T.W. & Hertzberg, W.M. (1980) Environment in open-top chambers utilized for air pollution studies. Journal of Environmental Quality 9, 610615.
  • Olszyk, D.M. & Wise, C. (1997) Interactive effects of elevated CO2 and O3 on rice and flacca tomato. Agriculture, Ecosystems and Environment 66, 110.
  • Oren, R., Ellsworth, D.S., Johnson, K.H., Phillips, N., Ewers, B.E., Maier, C., Schafer, K.V.R., McCarthy, H., Hendrey, G., McNulty, S.G. & Katul, G.G. (2001) Soil fertility limits carbon sequestration by forest ecosystems in a CO2-enriched atmosphere. Nature 411, 469472.
  • Parsons, W.F.J., Bockheim, J.G. & Lindroth, R.L. (2000) Populus tremuloides and Betula papyrifera decomposition at Aspen-FACE (FACTS II): leaf litter production and decay under individual and interactive effects of elevated CO2 and O3. Proceedings of Air Pollution, Global Change and Forests in the New Millennium: 19th International Meeting for Specialists in Air Pollution Effects on Forest Ecosystems, Houghton, Michigan, p. 64.
  • Percy, K.E., Mankovska, B., Hopkin, A., Callan, B. & Karnosky, D.F. (2002a) Ozone affects leaf-surface – pest interaction. Air Pollution, Global Change and Forests in the New Millennium (eds Karnosky, D.F., Percy, K.E., Chappelka, A.H., Simpson, C.J. & Pikkarainen, J.M.). Elsevier Science, Oxford, UK, in press.
  • Percy, K.E., Awmack, C.S., Lindroth, R.L., Kubiske, M.E., Kopper, B.J., Isebrands, J.G., Pregitzer, K.S., Hendrey, G.R., Dickson, R.E., Zak, D.R., Oksanen, E., Sober, J., Harrington, R. & Karnosky, D.F. (2002b) Altered performance of forest pests under CO2- and O3-enriched atmospheres. Nature 420, 403407.
  • Phillips, R.L., Zak, D.R. & Holmes, W.E. (2002) Microbial community composition and function beneath temperate trees exposed to elevated atmospheric CO2 and O3. Oecologia 131, 236244.
  • Piva, R.J. (1996) Pulpwood Production in the Lake States, 1994. Research Note NC-368. USDA Forest Service, North Central Research Station, Rhinelander, WI.
  • Rudorff, B.F.T., Mulchi, C.L., Lee, E.H., Rowland, R. & Pausch, R. (1996) Effects of enhanced O3 and CO2 enrichment on plant characteristics in wheat and corn. Environmental Pollution 94, 5360.
  • Ryerson, T.B., Frainer, M., Holloway, J.S., Parrish, D.D., Huey, L.G., Sueper, D.T., Frost, G.J., Donnelly, S.G., Schauffler, S., Atlas, E.L., Kuster, W.C., Goldan, P.D., Hubler, G., Meagher, J.F. & Fehsenfeld, F.C. (2001) Observations of ozone formation in power plant plumes and implications for ozone control strategies. Science 272, 719723.
  • Saxe, H., Ellsworth, D.S. & Heath, J. (1998) Tree and forest functioning in an enriched CO2 atmosphere. New Phytologist 139, 395436.
  • Schlesinger, W.H. & Lichter, J. (2001) Limited carbon storage in soil and litter of experimental forest plots under increased atmospheric CO2. Nature 411, 466469.
  • Sôber, A., Noormets, A., Isebrands, J.G., Sober, J. & Karnosky, D.F. (2000) Hydraulic properties and stomatal conductance of aspen leaves as affected by leaf senescence and elevated concentrations of carbon dioxide and ozone. Proceedings of the Annual Meeting of the American Society of Plant Physiologists, San Diego, CA: Plant Biology 2000, 9798.
  • Sôber, A., Noormets, A., Kull, O., Isebrands, J.G., Dickson, R.E., Sôber, J. & Karnosky, D.F. (2003) Photosynthetic parameters in aspen grown with interacting elevated CO2 and tropospheric ozone concentrations as affected by leaf nitrogen. Tree Physiology, in press.
  • Stark, R.W., Miller, P.R., Cobb, F.W. Jr, Wood, D.L. & Parmeter, J.R. Jr (1968) Photochemical oxidant injury and bark beetle (Coleoptera: Scolytidae) infestation of ponderosa pine. I. Incidence of bark beetle infestation in injured trees. Hilgardia 39, 121126.
  • Stevenson, D.S., Johnson, C.E., Collins, W.J., Derwent, R.G., Shine, K.P. & Edwards, J.M. (1998) Evolution of tropospheric ozone radiative forcing. Geophysical Research Letters 25, 38193822.
  • Stott, P.A., Tett, S.F.B., Jones, G.S., Allen, M.R., Mitchell, J.F.B. & Jenkins, G.J. (2000) External control of 20th century temperature by natural and anthropogenic forcings. Science 290, 21332137.
  • Takeuchi, Y., Kubiske, M.E., Isebrands, J.G., Pregitzer, K.S., Hendrey, G. & Karnosky, D.F. (2001) Photosynthesis, light and nitrogen relationships in a young deciduous forest canopy under open-air CO2 enrichment. Plant Cell Environment 24, 12571268.
  • Tjoelker, M.G., Oleksyn, J. & Reich, P.B. (1998) Seedlings of five boreal tree species differ in acclimation of net photosynthesis to elevated CO2 and temperature. Tree Physiology 18, 715726.
  • Utriainen, J., Janhunen, S., Helmisaari, H.-S. & Holopainen, T. (2000) Biomass allocation, needle structural characteristics and nutrient composition in Scots pine seedlings exposed to elevated CO2 and O3 concentrations. Trees 14, 475484.
  • Vasseur, L. & Potvin, C. (1998) Natural pasture community response to enriched carbon dioxide atmosphere. Plant Ecology 135, 3141.
  • Volin, J.C. & Reich, P.B. (1996) Interaction of elevated CO2 and O3 on growth, photosynthesis and respiration of three perennial species grown in low and high nitrogen. Physiologia Plantarum 97, 674684.
  • Volin, J.C., Reich, P.B. & Givnish, T.J. (1998) Elevated carbon dioxide ameliorates the effects of ozone on photosynthesis and growth: species respond similarly regardless of photosynthetic pathway or plant functional group. New Phytologist 138, 315325.
  • Wang, D., Karnosky, D.F. & Bormann, F.H. (1986) Effects of ambient ozone on the productivity of Populus tremuloides Michx. grown under field conditions. Canadian Journal of Forest Research 16, 4755.
  • Wustman, B.A., Oksanen, E., Karnosky, D.F., Sôber, J., Isebrands, J.G., Hendrey, G.R., Pregitzer, K.S. & Podila, G.K. (2001) Effects of elevated CO2 and O3 on aspen clones varying in O3 sensitivity: can CO2 ameliorate the harmful effects of O3? Environmental Pollution 115, 473481.
  • Zobel, B.J. & Van Buijtenen, J.P. (1989) Wood Variation, its Causes and Control. Springer-Verlag, Berlin.