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References

  • Abelson PH, Hoering TC. 1961. Carbon isotope fractionation in formation of amino acids by photosynthetic organisms. Proceedings of the National Academy of Sciences, USA 47: 623632.
  • Achard F, Eva HD, Stibig HJ, Mayaux P, Gallego J, Richards T, Malingreau JP. 2002. Determination of deforestation rates of the world's humid tropical forests. Science 297: 9991002.
  • Alstad KP, Lai C-T, Flanagan LB, Ehleringer JR. 2007. Environmental controls on the carbon isotope composition of ecosystem-respired CO2 in contrasting forest ecosystems in Canada and the USA. Tree Physiology 27: 13611374.
  • Amiotte-suchet P, Linglois N, Leveque J, Andreux F. 2007. 13C composition of dissolved organic carbon in upland forested catchments of the Morvan Mountains (France): influence of coniferous and deciduous vegetation. Journal of Hydrology 335: 354363.
  • Amthor JS. 1984. The role of maintenance respiration in plant growth. Plant, Cell & Environment 7: 561569.
  • Amthor JS. 2000. The McCree-de Wit-Penning de Vries-Thornley respiration paradigms: 30 years later. Annals of Botany 86: 120.
  • Andrews JA, Harrison KG, Matamala R, Schlesinger WH. 1999. Separation of root respiration from total soil respiration using carbon-13 labeling during Free-Air Carbon Dioxide Enrichment (FACE). Soil Science Society of America Journal 63: 14291435.
  • Badeck FW, Tcherkez G, Nogues S, Piel C, Ghashghaie J. 2005. Post-photosynthetic fractionation of stable carbon isotopes between plant organs – a widespread phenomenon. Rapid Communications in Mass Spectrometry 19: 13811391.
  • Bakwin PS, Tans PP, White JWC, Andres RJ. 1998. Determination of the isotopic (C-13/C-12) discrimination by terrestrial biology from a global network of observations. Global Biogeochemical Cycles 12: 555562.
  • Baldocchi DD, Bowling DR. 2003. Modelling the discrimination of 13CO2 above and within a temperate broad-leaved forest canopy on hourly to seasonal time scales. Plant, Cell & Environment 26: 231244.
  • Ballentine DC, Macko SA, Turekian VC. 1998. Variability of stable carbon isotopic compositions in individual fatty acids from combustion of C4 and C3 plants: implications for biomass burning. Chemical Geology 152: 151161.
  • Barbour MM, Hunt JE, Dungan RJ, Turnbull MH, Brailsford GW, Farquhar GD, Whitehead D. 2005. Variation in the degree of coupling between δ13C of phloem sap and ecosystem respiration in two mature Nothofagus forests. New Phytologist 166: 497512.
  • Barbour MM, McDowell NG, Tcherkez G, Bickford CP, Hanson DT. 2007. A new measurement technique reveals rapid post-illumination changes in the carbon isotope composition of leaf-respired CO2. Plant, Cell & Environment 30: 469482.
  • Benner R, Fogel ML, Sprague EK, Hodson RE. 1987. Depletion of 13C in lignin and its implications for stable carbon isotope studies. Nature 329: 708710.
  • Bostrom B, Comstedt D, Ekblad A. 2007. Isotope fractionation and 13C enrichment in soil profiles during the decomposition of soil organic matter. Oecologia 153: 8998.
  • Boutton TW 1996. Stable carbon isotope ratios of soil organic matter and their use as indicators of vegetation and climate change. In: BouttonTW, YamasakiS, eds. Mass spectrometry of soils. New York, NY, USA: Marcel Dekker, 4782.
  • Bowling DR, Burns SP, Conway TJ, Monson RK, White JWC. 2005. Extensive observations of CO2 carbon isotope content in and above a high-elevation subalpine forest. Global Biogeochemical Cycles 19: GB3023. doi: 10.1029/2004GB002394
  • Bowling DR, McDowell NG, Bond BJ, Law BE, Ehleringer JR. 2002. 13C content of ecosystem respiration is linked to precipitation and vapor pressure deficit. Oecologia 131: 113124.
  • Bowling DR, Pataki DE, Ehleringer JR. 2003. Critical evaluation of micrometeorological methods for measuring ecosystem–atmosphere isotopic exchange of CO2. Agricultural and Forest Meteorology 116: 159179.
  • Bowling DR, Tans PP, Monson RK. 2001. Partitioning net ecosystem carbon exchange with isotopic fluxes of CO2. Global Change Biology 7: 127145.
  • Brandes E, Kodama N, Whittaker K, Weston C, Rennenberg H, Keitel C, Adams MA, Gessler A. 2006. Short-term variation in the isotopic composition of organic matter allocated from the leaves to the stem of Pinus sylvestris: effects of photosynthetic and postphotosynthetic carbon isotope fractionation. Global Change Biology 12: 19221939.
  • Brandes E, Wenninger J, Koeniger P, Schindler D, Rennenberg H, Leibundgut C, Mayer H, Gessler A. 2007. Assessing environmental and physiological controls over water relations in a Scots pine (Pinus sylvestris L.) stand through analyses of stable isotope composition of water and organic matter. Plant, Cell & Environment 30: 113127.
  • Brenna JT. 2001. Natural intramolecular isotope measurements in physiology: elements of the case for an effort toward high-precision position-specific isotope analysis. Rapid Communications in Mass Spectrometry 15: 12521262.
  • Brugnoli E, Farquhar GD 2000. Photosynthetic fractionation of carbon isotopes. In: LeegoodRC, SharkeyTD, Von CaemmererS, eds. Photosynthesis: physiology and metabolism. Dordrecht, the Netherlands: Kluwer, 399434.
  • Brugnoli E, Hubick KT, Von Caemmerer S, Wong SC, Farquhar GD. 1988. Correlation between the carbon isotope discrimination in leaf starch and sugars of C3 plants and the ratio of intercellular and atmospheric partial pressures of carbon dioxide. Plant Phsyiology 88: 14181424.
  • Buchmann N, Guehl J-M, Barigah TS, Ehleringer JR. 1997. Interseasonal comparison of CO2 concentrations, isotopic composition, and carbon dynamics in an Amazonian rainforest (French Guiana). Oecologia 110: 120131.
  • Cannell MGR, Thornley JHM. 2000. Modelling the components of plant respiration: some guiding principles. Annals of Botany 85: 4554.
  • Carbone MS, Czimczik CI, McDuffee KE, Trumbore SE. 2007. Allocation and residence time of photosynthetic products in a boreal forest using a low-level 14C pulse-chase labeling technique. Global Change Biology 13: 466477.
  • Carbone MS, Trumbore SE. 2007. Contribution of new photosynthetic assimilates to respiration by perennial grasses and shrubs: residence times and allocation patterns. New Phytologist 176: 124135.
  • Cerling TE, Solomon DK, Quade J, Bowman JR. 1991. On the isotopic composition of carbon in soil carbon dioxide. Geochimica et Cosmochimica Acta 55: 34033405.
  • Cernusak LA, Farquhar GD, Pate JS. 2005. Environmental and physiological controls over oxygen and carbon isotope composition of Tasmanian blue gum, Eucalyptus globulus. Tree Physiology 25: 129146.
  • Cernusak LA, Marshall JD, Comstock JP, Balster NJ. 2001. Carbon isotope discrimination in photosynthetic bark. Oecologia 128: 2435.
  • Chikaraishi Y, Naraoka H. 2001. Organic hydrogen-carbon isotope signatures of terrestrial higher plants during biosynthesis for distinctive photosynthetic pathways. Geochemical Journal 35: 451458.
  • Ciais P, Tans PP, White JWC, Trolier M, Francey RJ, Berry JA, Randall DR, Sellers PJ, Collatz JG et al . 1995. Partitioning of ocean and land uptake of CO2 as inferred by δ13C measurements from the NOAA Climate Monitoring and Diagnostics Laboratory Global Air Sampling Network. Journal of Geophysical Research 100: 50515070.
  • Crow SE, Sulzman EW, Rugh WD, Bowden RD, Lajtha K. 2006. Isotopic analysis of respired CO2 during decomposition of separated soil organic matter pools. Soil Biology and Biochemistry 38: 32793291.
  • Czimczik CI, Treseder KK, Carbone MS, Trumbore SE. 2005. Radiocarbon – a low-impact tool to study nutrient transport by soil fungi under field conditions. New Phytologist 166: 595600.
  • Damesin C, Lelarge C. 2003. Carbon isotope composition of current-year shoots from Fagus sylvatica in relation to growth, respiration and use of reserves. Plant, Cell & Environment 26: 207219.
  • Dawson TE, Mambelli S, Plamboeck AH, Templer PH, Tu KP. 2002. Stable isotopes in plant ecology. Annual Review of Ecology and Systematics 33: 507559.
  • DeNiro MJ, Epstein S. 1977. Mechanism of carbon isotope fractionation associated with lipid synthesis. Science 197: 261263.
  • Dijkstra P, Ishizu A, Doucett R, Hart SC, Schwartz E, Menyailo OV, Hungate BA. 2006. 13C and 15N natural abundance of the soil microbial biomass. Soil Biology and Biochemistry 38: 32573266.
  • Duranceau M, Ghashghaie J, Badeck F, Deleens E, Cornic G. 1999. δ13C of CO2 respired in the dark in relation to δ13C of leaf carbohydrates in Phaseolus vulgaris L. under progressive drought. Plant, Cell & Environment 22: 515523.
  • Duranceau M, Ghashghaie J, Brugnoli E. 2001. Carbon isotope discrimination during photosynthesis and dark respiration in intact leaves of Nicotiana sylvestris: comparisons between wild type and mitochondrial mutant plants. Australian Journal of Plant Physiology 28: 6571.
  • Ehleringer JR, Buchmann N, Flanagan LB. 2000. Carbon isotope ratios in belowground carbon cycle processes. Ecological Applications 10: 412422.
  • Ekblad A, Bostrom B, Holm A, Comstedt D. 2005. Forest soil respiration rate and δ13C is regulated by recent above ground weather conditions. Oecologia 143: 136142.
  • Ekblad A, Högberg P. 2001. Natural abundance of 13C in CO2 respired from forest soils reveals speed of link between tree photosynthesis and root respiration. Oecologia 127: 305308.
  • Ekblad A, Nyberg G, Högberg P. 2002. 13C-discrimination during microbial respiration of added C3, C4 and 13C-labelled sugars to a C3-forest soil. Oecologia 131: 245249.
  • Evans JR, Sharkey TD, Berry JA, Farquhar GD. 1986. Carbon isotope discrimination measured concurrently with gas exchange to investigate CO2 diffusion in leaves of higher plants. Australian Journal of Plant Physiology 13: 281292.
  • Farquhar GD, Ehleringer JR, Hubick KT. 1989. Carbon isotope discrimination and photosynthesis. Annual Review of Plant Physiology and Plant Molecular Biology 40: 503537.
  • Farquhar GD, O’Leary MH, Berry JA. 1982. On the relationship between carbon isotope discrimination and the intracellular carbon dioxide concentration in leaves. Australian Journal of Plant Physiology 9: 121137.
  • Fernandez I, Cadisch G. 2003. Discrimination against 13C during degradation of simple and complex substrates by two white rot fungi. Rapid Communications in Mass Spectrometry 17: 26142620.
  • Fernandez I, Mahieu N, Cadisch G. 2003. Carbon isotopic fractionation during decomposition of plant materials of different quality. Global Biogeochemical Cycles 17: 1075. doi: 10.1029/2001GB001834
  • Fessenden JE, Ehleringer JR. 2003. Temporal variation in δ13C of ecosystem respiration in the Pacific Northwest: links to moisture stress. Oecologia 136: 129136.
  • Flanagan LB, Brooks JR, Varney GT, Berry SC, Ehleringer JR. 1996. Carbon isotope discrimination during photosynthesis and the isotope ratio of respired CO2 in boreal forest ecosystems. Global Biogeochemical Cycles 10: 629640.
  • Francey RJ, Tans PP, Allison CE, Enting IG, White JWC, Trolier M. 1995. Changes in oceanic and terrestrial carbon uptake since 1982. Nature 373: 326330.
  • Gaudillere JP, Van Leeuwen C, Ollat N. 2002. Carbon isotope composition of sugars in grapevine, an integrated indicator of vineyard water status. Journal of Experimental Botany 53: 757763.
  • Gaudinski JB, Dawson TE, Quideau S, Schuur EAG, Roden JS, Trumbore SE, Sandquist DR, Oh SW, Wasylishen RE. 2005. Comparative analysis of cellulose preparation techniques for use with 13C, 14C, and 18O isotopic measurements. Analytical Chemistry 77: 72127224.
  • Gessler A, Rennenberg H, Keitel C. 2004. Stable isotope composition of organic compounds transported in the phloem of European beech – Evaluation of different methods of phloem sap collection and assessment of gradients in carbon isotope composition during leaf-to-stem transport. Plant Biology 6: 721729.
  • Gessler A, Schrempp S, Matzarakis A, Mayer H, Rennenberg H, Adams MA. 2001. Radiation modifies the effect of water availability on the carbon isotope composition of beech (Fagus sylvatica). New Phytologist 150: 653664.
  • Ghashghaie J, Badeck F-W, Lanigan G, Nogues S, Tcherkez G, Deleens E, Cornic G, Griffiths H. 2003. Carbon isotope fractionation during dark respiration and photorespiration in C3 plants. Phytochemistry Reviews 2: 145161.
  • Ghashghaie J, Duranceau M, Badeck F-W, Cornic G, Adeline M-T, Deleens E. 2001. δ13C of CO2 respired in the dark in relation to δ13C of leaf metabolites: comparison between Nicotiana sylvestris and Helianthus annuus under drought. Plant, Cell & Environment 24: 505515.
  • Gifford RM. 2003. Plant respiration in productivity models: conceptualisation, representation, and issues for global terrestrial carbon-cycle research. Functional Plant Biology 30: 171186.
  • Gleixner G, Danier H-J, Werner RA, Schmidt H-L. 1993. Correlations between the 13C content of primary and secondary plant products in different cell compartments and that in decomposing basidiomycetes. Plant Physiology 102: 12871290.
  • Gleixner G, Scrimgeour C, Schmidt H-L, Viola R. 1998. Stable isotope distribution in the major metabolites of source and sink organs of Solanum tuberosum L.: a powerful tool in the study of metabolic partitioning in intact plants. Planta 207: 241245.
  • Goodale CL, Apps MJ, Birdsey RA, Field CB, Heath LS, Houghton RA, Jenkins JC, Kohlmaier GH, Kurz W, Liu S et al . 2002. Forest carbon sinks in the Northern Hemisphere. Ecological Applications 12: 891899.
  • Hahn V, Högberg P, Buchmann N. 2006. 14C – a tool for separation of autotrophic and heterotrophic soil respiration. Global Change Biology 12: 972982.
  • Hart SC, Gehring CA, Selmants PC, Deckert RJ. 2006. Carbon and nitrogen elemental and isotopic patterns in macrofungal sporocarps and trees in semiarid forests of the south-western USA. Functional Ecology 20: 4251.
  • Harwood KG, Gillon JS, Griffiths H, Broadmeadow MSJ. 1998. Diurnal variation of Δ13CO2, ΔC18O16O and evaporative site enrichment of δH218O in Piper aduncum under field conditions in Trinidad. Plant, Cell & Environment 21: 269283.
  • Heimann M, Maier-Reimer E. 1996. On the relations between oceanic uptake of CO2 and its carbon isotopes. Global Biogeochemical Cycles 10: 89110.
  • Helle G, Schleser GH. 2004. Beyond CO2-fixation by Rubisco – an interpretation of 13C/12C variations in tree rings from novel intra-seasonal studies on broad-leaf trees. Plant, Cell & Environment 27: 367380.
  • Hemming D, Yakir D, Ambus P, Aurela M, Besson C, Black K, Buchmann N, Burlett R, Cescatti A, Clement R et al . 2005. Pan-European δ13C values of air and organic matter from forest ecosystems. Global Change Biology 11: 10651093.
  • Henn MR, Chapela IH. 2000. Differential C isotope discrimination by fungi during decomposition of C3-and C4-derived sucrose. Applied and Environmental Microbiology 66: 41804186.
  • Henn MR, Chapela IH. 2001. Ecophysiology of 13C and 15N isotopic fractionation in forest fungi and the roots of the saprotrophic-mycorrhizal divide. Oecologia 128: 480487.
  • Henn MR, Gleixner G, Chapela IH. 2002. Growth-dependent stable carbon isotope fractionation by basidiomycete fungi: δ13C pattern and physiological process. Applied and Environmental Microbiology 68: 49564964.
  • Hobbie EA, Macko SA, Shugart HH. 1999. Insights into nitrogen and carbon dynamics of ectomycorrhizal and saprotrophic fungi from isotopic evidence. Oecologia 118: 353360.
  • Hobbie EA, Rygiewicz PT, Johnson MG, Moldenke AR. 2007. 13C and 15N in microarthropods reveal little response of Douglas-fir ecosystems to climate change. Global Change Biology 13: 13861397.
  • Hobbie EA, Weber NS, Trappe JM. 2001. Mycorrhizal vs saprotrophic status of fungi: the isotopic evidence. New Phytologist 150: 601610.
  • Hobbie EA, Werner RA. 2004. Intramolecular, compound-specific, and bulk carbon isotope patterns in C3 and C4 plants: a review and synthesis. New Phytologist 161: 371385.
  • Högberg P, Nordgren A, Buchmann N, Taylor AFS, Ekblad A, Högberg MN, Nyberg G, Ottosson-Lofvenius M, Read DJ. 2001. Large-scale forest girdling shows that current photosynthesis drives soil respiration. Nature 411: 789792.
  • Högberg P, Plamboeck AH, Taylor AFS, Fransson PMA. 1999. Natural 13C abundance reveals trophic status of fungi and host-origin of carbon in mycorrhizal fungi in mixed forests. Proceedings of the National Academy of Sciences, USA 96: 85348539.
  • Hood E, Williams MW, McKnight DM. 2005. Sources of dissolved organic matter (DOM) in a Rocky Mountain stream using chemical fractionation and stable isotopes. Biogeochemistry 74: 231255.
  • Houghton RA, Skole DL, Nobre CA, Hackler JL, Lawrence KT, Chomentowski WH. 2000. Annual fluxes or carbon from deforestation and regrowth in the Brazilian Amazon. Nature 403: 301304.
  • Hurtt GC, Pacala SW, Moorcroft PR, Caspersen J, Shevliakova E, Houghton RA, Moore B. 2002. Projecting the future of the US carbon sink. Proceedings of the National Academy of Sciences, USA 99: 13891394.
  • Hymus GJ, Maseyk K, Valentini R, Yakir D. 2005. Large daily variation in 13C-enrichment of leaf-respired CO2 in two Quercus forest canopies. New Phytologist 167: 377384.
  • Johnson D, Leake JR, Ostle N, Ineson P, Read DJ. 2002. In situ 13CO2 pulse-labelling of upland grassland demonstrates a rapid pathway of carbon flux from arbuscular mycorrhizal mycelia to the soil. New Phytologist 153: 327334.
  • Keeling CD, Whorf TP, Wahlen M, Van Der Plicht J. 1995. Interannual extremes in the rate of rise of atmospheric carbon dioxide since 1980. Nature 375: 666670.
  • Keitel C, Adams MA, Holst T, Matzarakis A, Mayer H, Rennenberg H, Gessler A. 2003. Carbon and oxygen isotope composition of organic compounds in the phloem sap provides a short-term measure for stomatal conductance of European beech (Fagus sylvatica L.). Plant, Cell & Environment 26: 11571168.
  • Keitel C, Matzarakis A, Rennenberg H, Gessler A. 2006. Carbon isotopic composition and oxygen isotopic enrichment in phloem and total leaf organic matter of European beech (Fagus sylvatica L.) along a climate gradient. Plant, Cell & Environment 29: 14921507.
  • Klumpp K, Schäufele R, Lötscher M, Lattanzi FA, Feneis W, Schnyder H. 2005. C-isotope composition of CO2 respired by shoots and roots: fractionation during dark respiration? Plant, Cell & Environment 28: 241250.
  • Knohl A, Buchmann N. 2005. Partitioning the net CO2 flux of a deciduous forest into respiration and assimilation using stable carbon isotopes. Global Biogeochemical Cycles 19: GB4008. doi: 10.1029/2004GB002301
  • Knohl A, Werner RA, Brand WA, Buchmann N. 2005. Short-term variations in δ13C of ecosystem respiration reveals link between assimilation and respiration in a deciduous forest. Oecologia 142: 7082.
  • Kohler P, Fischer H, Schmitt J, Munhoven G. 2006. On the application and interpretation of Keeling plots in paleo climate research – deciphering δ13C of atmospheric CO2 measured in ice cores. Biogeosciences 3: 539556.
  • Kohzu A, Yoshioka T, Ando T, Takahashi M, Koba K, Wada E. 1999. Natural 13C and 15N abundance of field-collected fungi and their ecological implications. New Phytologist 144: 323330.
  • Lai C-T, Ehleringer JR, Schauer AJ, Tans PP, Hollinger DY, Paw UKT, Munger JW, Wofsy SC. 2005. Canopy-scale δ13C of photosynthetic and respiratory CO2 fluxes: observations in forest biomes across the United States. Global Change Biology 11: 633643.
  • Law BE, Ryan MG, Anthoni PM. 1999. Seasonal and annual respiration of a ponderosa pine ecosystem. Global Change Biology 5: 169182.
  • Lea PJ, Ireland RJ 1999. Nitrogen metabolism in higher plants. In: SinghBK, ed. Plant amino acids. New York, NY, USA: Marcel Dekker, 147.
  • Leavitt S, Long A. 1982. Evidence for 13C/12C fractionation between tree leaves and wood. Nature 298: 742744.
  • Lin G, Ehleringer JR. 1997. Carbon isotopic fractionation does not occur during dark respiration in C3 and C4 plants. Plant Physiology 114: 391394.
  • Loader NJ, Rundgren M. 2006. The role of inter-specific, micro-habitat and climatic factors on the carbon isotope (δ13C) variability of a modern leaf assemblage from northern Scandinavia: implications for climate reconstruction. Boreas 35: 188201.
  • Ludwig B, Heil B, Flessa H, Beese F. 2000. Dissolved organic carbon in seepage water – Production and transformation during soil passage. Acta Hydrochimica et Hydrobiologica 28: 7782.
  • Madhavan S, Treichel I, O’Leary MH. 1991. Effects of relative humidity on carbon isotope fractionation in plants. Botanica Acta 104: 292294.
  • Martinelli LA, Almeida S, Brown IF, Moreira MZ, Victoria RL, Sternberg LSL, Ferreira CAC, Thomas WW. 1998. Stable carbon isotope ratio of tree leaves, boles and fine litter in a tropical forest in Rondonia, Brazil. Oecologia 114: 170179.
  • Maunoury F, Berveiller D, Lelarge C, Pontailler JY, Vanbostal L, Damesin C. 2007. Seasonal, daily and diurnal variations in the stable carbon isotope composition of carbon dioxide respired by tree trunks in a deciduous oak forest. Oecologia 151: 268279.
  • McDowell NG, Bowling DR, Bond BJ, Irvine J, Law BE, Anthoni P, Ehleringer JR. 2004a. Response of the carbon isotopic content of ecosystem, leaf, and soil respiration to meteorological and physiological driving factors in a Pinus ponderosa ecosystem. Global Biogeochemical Cycles 18: GB1013. doi: 10.1029/2003GB00249
  • McDowell NG, Bowling DR, Schauer A, Irvine J, Bond BJ, Law BE, Ehleringer JR. 2004b. Associations between carbon isotope ratios of ecosystem respiration, water availability and canopy conductance. Global Change Biology 10: 17671784.
  • Melzer E, Schmidt H-L. 1987. Carbon isotope effects on the pyruvate dehydrogenase reaction and their importance for relative carbon-13 depletion in lipids. Journal of Biological Chemistry 262: 81598164.
  • Miller JB, Tans PP, White JWC, Conway TJ, Vaughn BW. 2003. The atmospheric signal of terrestrial carbon isotopic discrimination and its implication for partitioning carbon fluxes. Tellus 55B: 197206.
  • Mortazavi B, Chanton JP. 2002. Carbon isotopic discrimination and control of nighttime canopy δ18O-CO2 in a pine forest in the southeastern United States. Global Biogeochemical Cycles 16: 1008. doi: 10.1029/2000GB001390
  • Mortazavi B, Chanton JP, Prater JL, Oishi AC, Oren R, Katul G. 2005. Temporal variability in 13C of respired CO2 in a pine and a hardwood forest subject to similar climatic conditions. Oecologia 142: 5769.
  • Nogues S, Damesin C, Tcherkez G, Maunoury F, Cornic G, Ghashghaie J. 2006. 13C/12C isotope labelling to study leaf carbon respiration and allocation in twigs of field-grown beech trees. Rapid Communications in Mass Spectrometry 20: 219226.
  • Nogues S, Tcherkez G, Cornic G, Ghashghaie J. 2004. Respiratory carbon metabolism following illumination in intact french bean leaves using C-13/C-12 isotope labeling. Plant Physiology 136: 32453254.
  • O’Leary MH. 1981. Carbon isotope fractionation in plants. Phytochemistry 20: 553567.
  • Ocheltree TW, Marshall JD. 2004. Apparent respiratory discrimination is correlated with growth rate in the shoot apex of sunflower (Helianthus annuus). Journal of Experimental Botany 55: 25992605.
  • Ogee J, Peylin P, Ciais P, Bariac T, Brunet Y, Berbigier P, Roche C, Richard P, Bardoux G, Bonnefond J-M. 2003. Partitioning net ecosystem carbon exchange into net assimilation and respiration using 13CO2 measurements: a cost-effective sampling strategy. Global Biogeochemical Cycles 17: 1070. doi: 10.1029/2002GB001995
  • Park R, Epstein S. 1961. Metabolic fractionation of C13 and C12 in plants. Plant Physiology 36: 133138.
  • Parton W, Silver WL, Burke IC, Grassens L, Harmon ME, Currie WS, King JY, Adair EC, Brandt LA, Hart SC et al . 2007. Global-scale similarities in nitrogen release patterns during long-term decomposition. Science 315: 361364.
  • Pataki DE, Ehleringer JR, Flanagan LB, Yakir D, Bowling DR, Still CJ, Buchmann N, Kaplan JO, Berry JA. 2003. The application and interpretation of Keeling plots in terrestrial carbon cycle research. Global Biogeochemical Cycles 17: 1022. doi: 10.1029/2001GB001850
  • Pate J, Arthur D. 1998. δ13C analysis of phloem sap carbon: novel means of evaluating seasonal water stress and interpreting carbon isotope signatures of foliage and trunk wood of Eucalyptus globulus. Oecologia 117: 301311.
  • Penning de Vries FWT. 1975. The cost of maintenance processes in plant cells. Annals of Botany 39: 7792.
  • Poorter H, Villar R 1997. The fate of acquired carbon in plants: chemical composition and construction costs. In: BazzazFA, GraceJ, eds. Plant Resource Allocation. San Diego, CA, USA: Academic Press, 3972.
  • Prater JL, Mortazavi B, Chanton JP. 2006. Diurnal variation of the δ13C of pine needle respired CO2 evolved in darkness. Plant, Cell & Environment 29: 202211.
  • Preston CM, Trofymow JA, Flanagan LB. 2006. Decomposition, δ13C, and the ‘lignin paradox’. Canadian Journal of Soil Science 86: 235245.
  • Quay PD, Tilbrook B, Wong CS. 1992. Oceanic uptake of fossil fuel CO2: Carbon-13 evidence. Science 256: 7479.
  • Randerson JT, Collatz GJ, Fessenden JE, Munoz AD, Still CJ, Berry JA, Fung IY, Suits N, Denning AS. 2002a. A possible global covariance between terrestrial gross primary production and 13C discrimination: consequences for the atmospheric 13C budget and its response to ENSO. Global Biogeochemical Cycles 16: 1136. doi: 10.1029/2001GB001845
  • Randerson JT, Masiello CA, Still CJ, Rahn T, Poorter H, Field CB. 2006. Is carbon within the global terrestrial biosphere becoming more oxidized? Implications for trends in atmospheric O2. Global Change Biology 12: 260271.
  • Randerson JT, Still CJ, Balle JJ, Fung IY, Doney SC, Tans PP, Conway TJ, White JWC, Vaughn B, Suits N et al . 2002b. Carbon isotope discrimination of arctic and boreal biomes inferred from remote atmospheric measurements and a biosphere-atmosphere model. Global Biogeochemical Cycles 16: 1028. doi: 10.1029/2001GB001435, 2002.
  • Read J, Farquhar G. 1991. Comparative studies in Nothofagus (Fagaceae).I. Leaf carbon isotope discrimination. Functional Ecology 5: 684695.
  • Rossmann A, Butzenlechner M, Schmidt H-L. 1991. Evidence for a nonstatistical carbon isotope distribution in natural glucose. Plant Physiology 96: 609614.
  • Ryan MG. 1991. Effects of climate change on plant respiration. Ecological Applications 1: 157167.
  • Saatchi SS, Houghton RA, Dos Santos Alvala RC, Soares JV, Yu Y. 2007. Distribution of aboveground live biomass in the Amazon basin. Global Change Biology 13: 816837.
  • Santruckova H, Bird MI, Lloyd J. 2000. Microbial processes and carbon-isotope fractionation in tropical and temperate grassland soils. Functional Ecology 14: 108114.
  • Saugier B, Roy J, Mooney HA. 2001. Estimations of global terrestrial productivity: converging toward a single number? In: RoyJ, Saugier, B, MooneyHA, eds. Terrestrial Global Productivity. San Diego, CA, USA: Academic Press, 543557.
  • Savidge WB, Blair NE. 2004. Patterns of intramolecular carbon isotopic heterogeneity within amino acids of autotrophs and heterotrophs. Oecologia 139: 178189.
  • Scartazza A, Lauteri M, Guido MC, Brugnoli E. 1998. Carbon isotope discrimination in leaf and stem sugars, water-use efficiency and mesophyll conductance during different developmental stages in rice subjected to drought. Australian Journal of Plant Physiology 25: 489498.
  • Scartazza A, Mata C, Matteucci G, Yakir D, Moscatello S, Brugnoli E. 2004. Comparisons of δ13C of photosynthetic products and ecosystem respiratory CO2 and their response to seasonal climate variability. Oecologia 140: 340351.
  • Schaeffer SM, Anderson DE, Burns SP, Monson RK, Sun J, Bowling DR. (in press). Canopy structure and atmospheric flows in relation to the δ13C of respired CO2 in a subalpine coniferous forest. Agricultural and Forest Meteorology. doi: 10.1016/j.agrformet.2007.11.003
  • Schmidt H-L. 2003. Fundamentals and systematics of the nonstatistical distributions of isotopes in natural compounds. Naturwissenschaften 90: 537552.
  • Schnyder H, Lattanzi FA. 2005. Partitioning respiration of C3–C4 mixed communities using the natural abundance 13C approach – testing assumptions in a controlled environment. Plant Biology 7: 592600.
  • Scholze M, Kaplan JO, Knorr W, Heimann M. 2003. Climate and interannual variability of the atmosphere-biosphere 13CO2 flux. Geophysical Research Letters 30: 1097.
  • Schulze E-D, Williams RJ, Farquhar GD, Schulze W, Langridge J, Miller JM, Walker BH. 1998. Carbon and nitrogen isotope discrimination and nitrogen nutrition of trees along a rainfall gradient in northern Australia. Australian Journal of Plant Physiology 25: 413425.
  • Schuur EAG, Trumbore SE. 2006. Partitioning sources of soil respiration in boreal black spruce forest using radiocarbon. Global Change Biology 12: 165176.
  • Schuur EAG, Trumbore SE, Mack MC, Harden JW. 2003. Isotopic composition of carbon dioxide from a boreal forest fire: inferring carbon loss from measurements and modeling. Global Biogeochemical Cycles 17. doi: 10.1029/2001GB001840
  • Schweizer M, Fear J, Cadisch G. 1999. Isotopic (13C) fractionation during plant residue decomposition and its implications for soil organic matter studies. Rapid Communications in Mass Spectrometry 13: 12841290.
  • Smallwood BJ, Wooller MJ, Jacobson ME, Fogel ML. 2003. Isotopic and molecular distributions of biochemicals from fresh and buried Rhizophora mangle leaves. Geochemical Transactions 4: 3846.
  • Smith BN. 1971. Carbon isotope ratios of respired CO2 from castor bean, corn, peanut, pea, radish, squash, sunflower and wheat seedlings. Plant and Cell Physiology 12: 451455.
  • Steinmann K, Siegwolf RTW, Saurer M, Korner C. 2004. Carbon fluxes to the soil in a mature temperate forest assessed by 13C isotope tracing. Oecologia 141: 489501.
  • Stewart GR, Turnbull MH, Schmidt S, Erskine PD. 1995. 13C natural abundance in plant communities along a rainfall gradient: a biological integrator of water availability. Australian Journal of Plant Physiology 22: 5155.
  • Still CJ, Berry JA, Collatz GJ, DeFries RS. 2003. Global distribution of C3 and C4 vegetation: carbon cycle implications. Global Biogeochemical Cycles 17: 1006. doi: 10.1029/2001GB001807
  • Subke J-A, Inglima I, Cotrufo MF. 2006. Trends and methodological impacts in soil CO2 efflux partitioning: a metaanalytical review. Global Change Biology 12: 921943.
  • Suits NS, Denning AS, Berry JA, Still CJ, Kaduk J, Miller JB, Baker IT. 2005. Simulation of carbon isotope discrimination of the terrestrial biosphere. Global Biogeochemical Cycles 19: GB1017. doi: 10.1029/2003GB002141
  • Taneva L, Pippen JS, Schlesinger WH, Gonzalez-Meler MA. 2006. The turnover of carbon pools contributing to soil CO2 and soil respiration in a temperate forest exposed to elevated CO2 concentration. Global Change Biology 12: 983994.
  • Tans PP, Berry JA, Keeling RF. 1993. Oceanic 13C/12C observations: a new window on ocean CO2 uptake. Global Biogeochemical Cycles 7: 353368.
  • Taylor AFS, Fransson PM, Högberg P, Högberg MN, Plamboeck AH. 2003. Species level patterns in 13C and 15N abundance of ectomycorrhizal and saprotrophic fungal sporocarps. New Phytologist 159: 757774.
  • Tcherkez G, Farquhar GD. 2005. Carbon isotope effect predictions for enzymes involved in the primary carbon metabolism of plant leaves. Functional Plant Biology 32: 277291.
  • Tcherkez G, Nogues S, Bleton J, Cornic G, Badeck F, Ghashghaie J. 2003. Metabolic origin of carbon isotope composition of leaf dark-respired CO2 in French bean. Plant Physiology 131: 237244.
  • Teskey RO, McGuire MA. 2007. Measurement of stem respiration of sycamore (Platanus occidentalis L.) trees involves internal and external fluxes of CO2 and possible transport of CO2 from roots. Plant, Cell & Environment 30: 570579.
  • Thornley JHM, Cannell MGR. 2000. Modelling the components of plant respiration: representation and realism. Annals of Botany 85: 5567.
  • Tissue DT, Barbour MM, Hunt JE, Turnbull MH, Griffin KL, Walcroft AS, Whitehead D. 2006. Spatial and temporal scaling of intercellular CO2 concentration in a temperate rain forest dominated by Dacrydium cupressinum in New Zealand. Plant, Cell & Environment 29: 497510.
  • Townsend AR, Asner GP, White JWC, Tans PP. 2002. Land use effects on atmospheric 13C imply a sizable terrestrial CO2 sink in tropical latitudes. Geophysical Research Letters 29: 1426.
  • Trolier M, White JWC, Tans PP, Masarie KA, Gemery PA. 1996. Monitoring the isotopic composition of atmospheric CO2: measurements from the NOAA Global Air Sampling Network. Journal of Geophysical Research – Atmospheres 101: 2589725916.
  • Troughton JH, Card KA, Hendy CH. 1974. Photosynthetic pathways and carbon isotope discrimination by plants. Carnegie Institution of Washington Yearbook 73: 76880.
  • Trudell SA, Rygiewicz PT, Edmonds RL. 2004. Patterns of nitrogen and carbon stable isotope ratios in macrofungi, plants and soils in two old-growth conifer forests. New Phytologist 164: 317335.
  • Trudinger CM, Enting IG, Francey RJ, Etheridge DM, Rayner PJ. 1999. Long-term variability in the global carbon cycle inferred from a high-precision CO2 and δ13C ice-core record. Tellus 51B: 233248.
  • Trumbore S. 2000. Age of soil organic matter and soil respiration: radiocarbon constraints on belowground C dynamics. Ecological Applications 10: 399411.
  • Tu KP, Dawson TE 2005. Partitioning ecosystem respiration using stable carbon isotope analyses of CO2. In: FlanaganLB, EhleringerJR, PatakiDE, eds. Stable isotopes and biosphere–atmosphere interactions: processes and biological controls. Amsterdam, the Netherlands: Elsevier, 125153.
  • Turney CSM, Hunt JE, Burrows C. 2002. Deriving a consistent δ13C signature from tree canopy leaf material for palaeoclimatic reconstruction. New Phytologist 155: 301311.
  • Uchida T, Kaneko N, Ito MT, Futagami K, Sasaki T, Sugimoto A. 2004. Analysis of the feeding ecology of earthworms (Megascolecidae) in Japanese forests using gut content fractionation and δ15N and δ13C stable isotope natural abundances. Applied Soil Ecology 27: 153163.
  • Wallander H, Goransson H, Rosengren U. 2004. Production, standing biomass and natural abundance of 15N and 13C in ectomycorrhizal mycelia collected at different soil depths in two forest types. Oecologia 139: 8997.
  • Wanek W, Heintel S, Richter A. 2001. Preparation of starch and other carbon fractions from higher plant leaves for stable carbon isotope analysis. Rapid Communications in Mass Spectrometry 15: 11361140.
  • Wedin DA, Tieszen LL, Dewey B, Pastor J. 1995. Carbon isotope dynamics during grass decomposition and soil organic matter formation. Ecology 76: 13831392.
  • Whelan T, Sackett WM, Benedict CR. 1970. Carbon isotope discrimination in a plant possessing the C4 dicarboxylic acid pathway. Biochemical and Biophysical Research Communications 41: 12051210.
  • Wingate L, Seibt U, Moncrieff JB, Jarvis PG, Lloyd J. 2007. Variations in 13C discrimination during CO2 exchange by Picea sitchensis branches in the field. Plant, Cell & Environment 30: 600616.
  • Xu C, Lin G, Griffin KL, Sambrotto RN. 2004. Leaf respiratory CO2 is 13C-enriched relative to leaf organic components in five species of C3 plants. New Phytologist 163: 499505.