Acock B, Allen LH Jr. 1985. Crop responses to elevated carbon dioxide concentrations. In: Direct Effect of Increasing Carbon Dioxide on Vegetation (Strain BR, Cure JD, eds). US Department of Energy, Washington, pp 53-98.

Amthor JS. 1991. Respiration in a future, high CO2 world. Plant Cell Environ 14: 13-20.

Barnola JM, Raynaud D, Korotkevich YS, Lorius C. 1987. Vostoc ice core provides 160,000-year record of atmospheric CO2. Nature 329: 408-414.

Bazzaz FA, Garbutt K, Williams WE. 1985. Effect of increased atmospheric carbon dioxide concentration on plant communities. Direct effect of increasing carbon dioxide on vegetation. In: Direct Effect of Increasing Carbon Dioxide on Vegetation (Strain BR, Cure JD, eds). US Department of Energy, Washington, pp 155-170.

Bazzaz FA. 1990. The response of natural ecosystem to the rising global CO2 levels. Ann Rev Plant Physiol 21: 167-196.

Callaway RM, DeLucia EH, Thomas EM. 1994. Compensatory response of CO2 exchange and biomass allocation and their effects on the relative growth rate of ponderosa pine in different CO2 and temperature regimes. Oecologia 98: 159-166.

Ceulemans R, Mousseau M. 1994. Effects of elevated atmospheric CO2 on woody plants. New Phytol 127: 425-446.

Cowling SA, Sage RF. 1998. Interactive effects of low atmospheric CO2 and elevated temperature on growth, photosynthesis and respiration in Phaseolus vulgaris. Plant Cell Environ 21: 427-435.

Cure JD. 1985. Carbon dioxide doubling responses: a crop survey. Direct effect of increasing carbon dioxide on vegetation. In: Direct Effect of Increasing Carbon Dioxide on Vegetation (Strain BR, Cure JD, eds). US Department of Energy, Washington, pp 99-116.

Delmas RJ, Ascencio J-M, Lgrand M. 1980. Polar ice evidence that atmospheric CO2 20,000 yr BP was 50% of present. Nature 284: 155-157.

Dippery JK, Tissue DT, Thomas RB, Strain BR. 1995. Effect of low and elevated CO2 on C3 and C4 annuals. I. Growth and biomass allocation. Oecologia 101: 13-20.

Drake BG, Azcon-Bieto J, Berry J, Bunce J, Dukstra P, Farrar J, Gifford RM, Gonzalez-Meler MA, Koch G, Lambers H, Siedow J, Wullschleger S. 1999. Does elevated CO2 concentration inhibit mitochondrial respiration in green plants? Plant Cell Environ 22: 649-657.

Ehleringer JR, Cerling TE, Dearing MD. 2005. A History of Atmospheric CO2 and Its Effects on Plants, Animals, and Ecosystem. Springer, New York.

Ehleringer JR, Cerling TE, Helliker BR. 1997. C4 photosynthesis, atmospheric CO2, and climate. Oecologia 112: 285-299.

Ehleringer JR, Sage RF, Flanagan LB, Pearcy RW. 1991. Climate change and the evolution of C4 photosynthesis. Trends Ecol Evol 6: 95-99.

Farnsworth EJ, Ellison AM, Gpng WK. 1994. Elevated CO2 alters anatomy, physiology, growth, and reproduction of red mangrove (Rhizophora mangle L.). Oecologia 108: 599-609.

Harper JL. 1977. Population Biology of Plants. Academic Press Inc., San Diego.

IPCC WG I. 2007. Changes in atmospheric constituents and in radiative forcing. In: Climate Change 2007 The Physical Science Basis (Solomon S, Quin D, Mannig M, Marquis M, Averyt K, Tignor MMB, Miller HL Jr., Chen Z, eds). Cambridge University Press, New York, pp 128-234.

Iwaki H. 1958. The influence of density on the dry matter production of Fagopyrum esculentum. Jpn J Bot 16: 210-226.

Koike T, Lei TT, Maximov TC, Tabuchi R, Takahashi K, Ivanov BI. 1996. Comparison of the photosynthetic capacity of Siberian and Japanese birch grown in elevated CO2 and temperature. Tree Physiol 16: 381-385.

Neftel A, Moor E, Oeschger H, Stauffer B. 1985. Evidence from polar ice core for the increase in atmospheric CO2 in the past two centuries. Nature 315: 45-47.

Oechel W, Strain BR. 1985. Native species responses to increased carbon dioxide concentrations. In: Direct Effect of Increasing Carbon Dioxide on Vegetation (Strain BR, Cure JD, eds). US Department of Energy, Washington, pp 117-154.

Overdieck D. 1989. The effects of preindustrial and predicted future atmospheric CO2 concentrations on Lyonia mariana L. D. Don. Func Ecol 3: 569-576.

Polley HW, Johnson HB, Marino BD, Mayeux HS. 1993. Increase in C3 plant water-use efficiency and biomass over glacial to present CO2 concentrations. Nature 361: 61-64.

Polley HW, Johnson HB, Mayeux HS. 1992. Growth and gas exchange of oats (Avena sativa) and wild mustard (Brassica kaber) at subambient CO2 concentrations. Int J Plant Sci 153: 453-461.

Pooerter H, Navas ML. 2003. Plant growth and competition at elevated CO2; on winners, losers and functional groups. New Phytol 157: 175-198.

Poorter H, Roumet C, Campbell BD. 1996. Interspecific variation in the growth response of plants to elevated CO2: a search for functional types. In: Carbon Dioxide, Populations and Communities (Körner C, Bazzaz FA, eds). Academic Press, New York, pp 375-421.

Poorter H. 1993. Interspecific variation in the growth response of plants to an elevated ambient CO2 concentration. Vegetatio 104/105: 77-97.

Raschi A, Miglietta F, Tongetti R, van Gardingen PR. 1997. Plant Responses to Elevated [CO2]-Evidence from Natural Springs. Cambridge University Press, New York.

Sage RF, Raid CD. 1992. Photosynthetic acclimation to sub-ambient CO2 (20 Pa) in the C3 annual Phaseolus vulgaris L. Photosynthetica 27: 605-617.

Tissue DT, Griffin KL, Thomas RB, Strain BR. 1995. Effects of low and elevated CO2 on C3 and C4 annuals. II. Photosynthesis and leaf biochemistry. Oecologia 101: 21-28.

Tremmel DC, Bazzaz FA. 1993. How neighbor canopy architecture affects target plant performance. Ecology 74: 2114-2124.

Tremmel DC, Bazzaz FA. 1995. Plant architecture and allocation in different neighborhoods: Implications for competitive success. Ecology 76: 262-271.

Wand SJE, Midgley GF, Jhones MH, Curtis PS. 1999. Responses of wild C3 and C4 grass (Poaceae) species to elevated atmospheric CO2 concentration: a meta-analytic test of current theories and perceptions. Global Change Biol 5: 723-741.

Ward JK, Strain BR. 1997. Effect of low and elevated CO2 partial pressure on growth and reproduction of Arabidopsis thaliana from different elevations. Plant Cell Environ 20: 254-260.