Increased Turnover but Little Change in the Carbon Balance of High-Arctic Tundra Exposed to Whole Growing Season Warming

References Cited

• Arft, A. M. , M. D. Walker , J. Gurevitch , J. M. Alatalo , M. S. Bret-Harte , M. Dale , M. Diemer , F. Gugerli , G. H R. Henry , M. H. Jones , R. D. Hollister , I. S. Jonsdottir , K. Laine , E. Lévesque , G. M. Marion , U. Molau , P. Molgaard , U. Nordenhall , V. Rashhivin , C. H. Robinson , G. Starr , A. Stenstrom , M. Stenstrom , O. Totland , P. L. Turner , L. J. Walker , P. J. Webber , J. M. Welker , and P. A. Wookey . 1999. Responses of tundra plants to experimental warming: meta-analysis of the international tundra experiment. Ecological Monographs 69:491–511.
   Web of Science ®Google Scholar
• Barnes, B. V. , D. R. Zak , S. R. Denton , and S. H. Spurr . 1998. Forest Ecology. New York: Wiley. 774 pp.
   Google Scholar
• Billings, W. D. , J. O. Luken , D. A. Mortensen , and K. M. Peterson . 1982. Arctic tundra: A source or sink for atmospheric carbon dioxide in a changing environment?. Oecologia 53:7–11.
   PubMed Web of Science ®Google Scholar
• Bonan, G. B. , D. Pollard , and S. L. Thompson . 1992. Effects of boreal forest vegetation on global climate. Nature 359:716–718.
   Web of Science ®Google Scholar
• Campbell, G. S. and J. M. Norman . 1998. An Introduction to Environmental Biophysics. 2nd ed. New York: Springer-Verlag. 286 pp.
   Google Scholar
• Christensen, T. R. , A. Michelsen , S. Jonasson , and I. K. Schmidt . 1997. Carbon dioxide and methane exchange of subarctic heath in response to climate change related environmental manipulations. Oikos 79:34–44.
   Web of Science ®Google Scholar
• Christensen, T. , T. Friborg , M. Sommerkorn , J. Kaplan , L. Illeris , H. Sogaard , C. Nordstroem , and S. Jonasson . 2000. Trace gas exchange in an high arctic valley 1: Variations in CO2 and CH4 flux between tundra vegetation types. Global Biogeochemical Cycles 14:701–714.
   Web of Science ®Google Scholar
• Davidson, E. A. , E. Belk , and R. D. Boone . 1998. Soil water content and temperature as independent or confounded factors controlling soil respiration in a temperate mixed hardwood forest. Global Change Biology 4:217–227.
   Web of Science ®Google Scholar
• Dormann, C. F. and S. J. Woodin . 2002. Climate change in the Arctic: using functional types in a meta-analysis of field experiments. Functional Ecology 16:4–17.
   Web of Science ®Google Scholar
• Fahnestock, J. T. , M. H. Jones , P. D. Brooks , D. A. Walker , and J. M. Welker . 1998. Winter and early spring CO2 efflux from tundra communities of northern Alaska. Journal of Geophysical Research 103:29023–29027.
   Web of Science ®Google Scholar
• Grogan, P. and F. S. Chapin III. . 1999. Arctic soil respiration: effects of climate and vegetation depend on season. Ecosystems 2:451–459.
   Web of Science ®Google Scholar
• Hobbie, S. E. and F. S. Chapin III. . 1998. The response of tundra plant biomass, aboveground production, nitrogen and CO2 flux to experimental warming. Ecology 79:1526–1544.
   Web of Science ®Google Scholar
• Janssens, I. A. , A. S. Kowalski , B. Longdoz , and R. Ceulemans . 2000. Assessing forest soil CO2 efflux: an in situ comparison of four techniques. Tree Physiology 20:23–32.
   PubMed Web of Science ®Google Scholar
• Janssens, I. and K. Pilegaard . 2003. Large seasonal change in Q10 of soil respiration in a beech forest. Global Change Biology 9:911–918.
   Web of Science ®Google Scholar
• Johnson, L. C. , G. R. Shaver , D. H. Cades , E. Rastetter , K. Nadelhoffer , A. Giblin , J. Laundre , and A. Stanley . 2000. Plant Carbon-nutrient interactions control CO2 exchange in Alaskan wet sedge tundra ecosystems. Ecology 81:453–469.
   Web of Science ®Google Scholar
• Jones, M. H. , J. T. Fahnestock , D. A. Walker , M. D. Walker , and J. M. Welker . 1998. Carbon dioxide fluxes in moist and dry arctic tundra during the snow-free season: responses to increase in summer temperature and winter snow accumulation. Arctic, Antarctic, and Alpine Research 30:373–380.
   Web of Science ®Google Scholar
• Kennedy, A. D. 1995. Simulated climate change: are passive greenhouses a valid microcosm for testing the biological effects of environmental perturbations?. Global Change Biology 1:29–42.
   Web of Science ®Google Scholar
• Lachenbruch, A. H. and B. V. Marshall . 1986. Climate change: geothermal evidence from permafrost in the Alaskan arctic. Science 234:689–696.
   PubMed Web of Science ®Google Scholar
• Le Dizès, S. , B. L. Kwiatkowski , E. B. Rastetter , A. Hope , J. E. Hobbie , D. Stow , and S. Daeschner . 2003. Modeling biogeochemical responses of tundra ecosystems to temporal and spatial variations in climate in the Kuparak River Basin (Alaska). Journal of Geophysical Research, 108, DOI10. 1029/2001JD000960.
   Google Scholar
• Lund, C. P. , W. J. Riley , L. L. Pierce , and C. B. Field . 1999. The effects of chamber pressurization on soil-surface CO2 flux and the implications for NEE measurements under elevated CO2. Global Change Biology 5:269–281.
   Web of Science ®Google Scholar
• Marchand, F. , I. Nijs , M. Heuer , S. Mertens , F. Kockelbergh , J-Y. Pontailler , I. Impens , and L. Beyens . Climate warming postpones senescence in high-arctic tundra. unpublished.
   Google Scholar
• Marion, G. M. , G. H R. Henry , and D. W. Freckman . 1997. Open-top design for manipulating field temperature in high-latitude ecosystems. Global Change Bioliogy 3:20–32.
   Web of Science ®Google Scholar
• Maxwell, B. 1992. Arctic Climate: potential for change under global warming. In Chapin, F. S., Jefferies, R. L., Reynolds, J. F., Shaver, G. R., and Svoboda, J., (eds.), Arctic Ecosystems in a Changing Climate: An Ecophysiological Perspective. San Diego, Calif.: Academic Press, 11–34.
   Google Scholar
• McCarthy, J. J. , O. F. Canziani , N. A. Leary , D. J. Dokken , and K. S. White . 2001. Climate Change 2001: Impacts, Adaptation, and Vulnerability. Cambridge: Cambridge University Press. 1032 pp.
   Google Scholar
• Meltofte, H. and H. Thing . (eds.),. 1997. Zackenberg Ecological Research Operations, 2nd Annual Report 1996. Copenhagen: Danish Polar Center, Ministry of Research and Information Technology.
   Google Scholar
• Mertens, S. , I. Nijs , M. Heuer , F. Kockelbergh , L. Beyens , A. Van Kerckvoorde , and I. Impens . 2001. Influence of high temperature on end-of-season tundra CO2 exchange. Ecosystems 4:226–236.
   Web of Science ®Google Scholar
• Mitchell, J. F B. , S. Manabe , V. Meleshko , and T. Tkioka . 1990. Equilibrium climate change. In Houghton, J. T., Jenkins, G., and Ephraums, J. J., (eds.), Climate Change: The IPCC Scientific Assessment. Cambridge: Cambridge University Press, 131–172.
   Google Scholar
• Mooney, H. A. , J. Canadell , F. S. Chapin III. , J. R. Ehleringer , Ch Körner , R. E. McMurtrie , W. J. Parton , L. F. Pitelka , and E. D. Schulze . 1999. Ecosystem physiology responses to global change. In Walker, B., Steffen, W., Canadell, J., and Ingram, J., (eds.), The Terrestrial Biosphere and Global Change, Implications for Natural and Managed Ecosystems. Cambridge: Cambridge University Press, 141–189.
   Google Scholar
• Nordstroem, C. , H. Soegaard , T. R. Christensen , T. Friborg , and B. U. Hansen . 2001. Seasonal carbon dioxide balance and respiration of a high-arctic fen ecosystem in NE-Greenland. Theoretical and Applied Climatology 70:149–166.
   Web of Science ®Google Scholar
• Nadelhoffer, K. J. , A. E. Giblin , G. R. Shaver , and A. E. Linkins . 1992. Microbial processes and plant nutrient availability in Arctic soils. In Chapin, F.S.III., Jefferies, R.L., Reynolds, J.F., Shaver, G.R., and Svoboda, J., (eds.), Arctic Ecosystems in a Changing Climate: An Ecophysiological Perspective. San Diego, Calif.: Academic Press, 281–300.
   Google Scholar
• Nijs, I. , F. Kockelbergh , M. Heuer , L. Beyens , K. Trappeniers , and I. Impens . 2000. Climate-warming simulation in tundra: enhanced precision and repeatability with an improved infrared-heating device. Arctic, Antarctic, and Alpine Research 32:242–53.
   Web of Science ®Google Scholar
• Nijs, I. , F. Kockelbergh , H. Teughels , H. Blum , G. Hendrey , and I. Impens . 1996. Free Air Temperature Increase (FATI): a new tool to study global warming effects on plants in the field. Plant Cell Environment 19:495–502.
   Web of Science ®Google Scholar
• Oberbauer, S. F. and W. C. Oechel . 1989. Maximum CO2-assimilation rates of vascular plants on an Alaskan arctic tundra slope. Holarctic Ecology 12:312–316.
   Web of Science ®Google Scholar
• O'Brien, R. G. and M. K. Kaiser . 1985. MANOVA method for analyzing repeated measures designs: an extensive primer. Psychological Bulletin 97:316–333.
   PubMed Web of Science ®Google Scholar
• Oechel, W. C. and W. D. Billings . 1992. Effects of global change on the carbon balance of Arctic plants and ecosystems. In Chapin, F. S., III., Jefferies, R. L., Reynolds, J. F., Shaver, G. R., and Svoboda, J., (eds.), Arctic Ecosystems in a Changing Climate: An Ecophysiological Perspective. San Diego, Calif.: Academic Press,139–168.
   Google Scholar
• Oechel, W. C. , S. Hastings , G. L. Vourlitis , M. Jenkins , G. Riechers , and N. Grulke . 1993. Recent changes of arctic tundra ecosystems from a net carbon dioxide sink to a source. Nature 361:520–523.
   Web of Science ®Google Scholar
• Oechel, W. C. , G. L. Vourlitis , and S. J. Hastings . 1997. Cold season CO2 emission from arctic soils. Global Biogeochemical Cycles 11:163–172.
   Web of Science ®Google Scholar
• Oechel, W. C. , G. Vourlitis , S. J. Hastings , R. P. Ault Jr. , and P. Bryant . 1998. The effects of water table manipulation and elevated temperature on the net CO2 flux of wet sedge tundra ecosystems. Global Change Biology 4:77–90.
   Web of Science ®Google Scholar
• Raich, J. W. and W. H. Schlesinger . 1992. The global carbon dioxide flux in soil respiration and its relationship to vegetation and climate. Tellus 44B:81–99.
   Google Scholar
• Rastetter, E. B. , R. B. McKane , G. R. Shaver , K. J. Nadelhoffer , and A. Giblin . 1997. Analysis of CO2, temperature, and moisture effects on carbon storage in Alaskan Arctic tundra using a general ecosystem model. In Oechel, W. C., Callaghan, T., Gilmanov, T., Holten, J. I., Maxwell, B., Molau, U., and Sveinbjörnsson, B., (eds.), Global Change and Arctic Terrestrial Ecosystems. Ecological Studies 124. New York: Springer-Verlag, 437–451.
   Google Scholar
• Rayment, M. B. and P. G. Jarvis . 1997. An improved open chamber system for measuring soil CO2 effluxes of a boreal black spruce forest. Journal of Geophysical Research 102:28779–28784.
   Web of Science ®Google Scholar
• Rustad, L. E. , J. L. Campbell , G. M. Marion , R. J. Norby , M. J. Mitchell , A. E. Hartley , J. H C. Cornelissen , and J. Gurevitch . 2001. A meta-analysis of the response of soil respiration, net nitrogen mineralization, and aboveground plant growth to experimental ecosystem warming. Oecologia 126:543–562.
   PubMed Web of Science ®Google Scholar
• Rustad, L. E. and R. J. Norby . 2002. Temperature Increase: Effects on Terrestrial Ecosystems. In Munn, T. (ed.), Encyclopedia of Global Environmental Change. Vol. 2. New York: John Wiley, 575–581.
   Google Scholar
• Sage, R. F. and T. D. Sharkey . 1987. The effect of temperature on the occurrence of O2- and CO2-insensitive photosynthesis in field-grown plants. Plant Physiology 84:658–664.
   PubMed Web of Science ®Google Scholar
• Schleser, G. H. 1982. The response of CO2 evolution from soils to global temperature changes. Zeitung Naturforschung 37:287–291.
   Google Scholar
• Schlesinger, W. H. 1984. Soil organic matter: a source of atmospheric CO2. In Woodwell, G. M., (ed.) The role of Terrestrial Vegetation in the Global Carbon Cycle: Methods of Appraising Changes. SCOPE 23: 111–127.
   Google Scholar
• Silvola, J. 1986. Carbon dioxide dynamics in mires reclaimed for forestry in eastern Finland. Annales Botanici Fennici 23:59–67.
   Web of Science ®Google Scholar
• Skopp, J. , M. D. Jawson , and D. W. Doran . 1990. Steady-state aerobic microbial activity as a function of soil water content. Soil Science Society of America Journal 54:1619–1625.
   Web of Science ®Google Scholar
• Tissue, D. T. and W. C. Oechel . 1987. Response of Eriophorum vaginatum to elevated CO2 and temperature in the Alaskan arctic tundra. Ecology 68:401–410.
   Web of Science ®Google Scholar
• Wookey, P. A. 2002. Tundra. In Munn, T. (ed.), Encyclopedia of Global Environmental Change. Vol. 2. New York: John Wiley, 593–602.
   Google Scholar