ACIA. 2005. Arctic Climate Impact Assessment - Scientific Report, 1st edition. Cambridge University Press, Cambridge, United Kingdom.

Ahlbeck, J.R. 2002. Comment on "Variations in northern vegetation activity inferred from satellite data of vegetation index during 1981-1999" by L. Zhou et al. Journal of Geophysical Research 107: 10.1029/2001389.

Ainsworth, E.A. and Long, S.P. 2005. What have we learned from 15 years of free-air CO2 enrichment (FACE)? A meta-analytic review of the responses of photosynthesis, canopy properties and plant production to rising CO2. New Phytologist 165: 351-372.

Aksenov, D., Dobrynin, D., Dubinin, M., Egorov, A., Isaev, A., Karpachevskiy, M., Laestadius, L., Potapov, P., Purekhovskiy, P., Turubanova, S. and Yaroshenko, A. 2002. Atlas of Russia's Intact Forest Landscapes. Global Forest Watch Russia, Moscow.

Alcaraz-Segura, D., Cabello, J., Paruelo, J.M. and Delibes, M. 2008. Trends in the surface vegetation dynamics of the national parks of Spain as observed by satellite sensors. Applied Vegetation Science 11: 431-440.

Allen, J.R.M., Brandt, U., Brauer, A., Hubberten, H.-W., Huntley, B., Keller, J., Kraml, M., Mackensen, A., Mingram, J., Negendank, J.F.W., Nowaczyk, N.R., Oberhansli, H., Watts, W.A., Wulf, S. and Zolitschka, B. 1999. Rapid environmental changes in southern Europe during the last glacial period. Nature 400: 740-743.

Ansley, R.J., Ben Wu, X. and Kramp, B.A. 2001. Observation: long-term increases in mesquite canopy cover in a north Texas savanna. Journal of Range Management 54: 171-176.

Anyamba, A. and Tucker, C.J. 2005. Analysis of Sahelian vegetation dynamics using NOAA-AVHRR NDVI data from 1981-2003. Journal of Arid Environments 63: 596-614.

Archer, S. 1995. Tree-grass dynamics in a Prosopis-thornscrub savanna parkland: reconstructing the past and predicting the future. Ecoscience 2: 83-99.

Arft, A.M., Walker, M.D., Gurevitch, J., Alatalo, J.M., Bret-Harte, M.S., Dale, M., Diemer, M., Gugerli, F., Henry, G.H.R., Jones, M.H., Hollister, R.D., Jonsdottir, I.S., Laine, K., Levesque, E., Marion, G.M., Molau, U., Molgaard, P., Nordenhall, U., Raszhivin, V., Robinson, C.H., Starr, G., Stenstrom, A., Stenstrom, M., Totland, O., Turner, P.L., Walker, L.J., Webber, P.J., Welker, J.M. and Wookey, P.A. 1999. Responses of tundra plants to experimental warming: meta-analysis of the international tundra experiment. Ecological Monographs 69: 491-511.

Ashton, B., Hill, K., Piazza, A. and Zeitz, R. 1984. Famine in China, 1958-1961. Population and Development Review 10: 613-615.

Asner, G.P., Archer, S., Hughes, R.F. and Ansleys, R.J. 2003. Net changes in regional woody vegetation cover and carbon storage in Texas Drylands, 1937-1999. Global Change Biology 9: 316-335.

Atjay, G.L., Ketner, P. and Duvigneaud, P. 1979. Terrestrial primary production and photomass. In: Bolin, B., Degens, E., Kempe, S. and Ketner, P. (Eds.), The Global Carbon Cycle, SCOPE 13, Wiley, Chichester, pp. 129-182.

Babst, F., Esper, J. and Parlow, E. 2010. Landsat TM/ETM plus and tree-ring based assessment of spatiotemporal patterns of the autumnal moth (Epirrita autumnata) in northernmost Fennoscandia. Remote Sensing of Environment 114: 637-646.

Bacastow, R.B. 1976. Modulation of atmospheric carbon dioxide by the Southern Oscillation. Nature 261: 116-118.

Bacastow, R.B., Adams, J.A., Keeling, C.D., Moss, D.J., Whorf, T.P. and Wong, C.S. 1980. Atmospheric carbon dioxide, the Southern Oscillation and the weak 1975 El Niño. Science 210: 66-68.

Bahre, C.J. and Shelton, M.L. 1993. Historic vegetation change, mesquite increases, and climate in southeastern Arizona. Journal of Biogeography 20: 489-504.

Baker, T.R., Phillips, O.L., Malhi, Y., Almeida, S., Arroyo, L., Di Fiore, A., Erwin, T., Higuchi, N., Killeen, T.J., Laurance, S.G., Laurance, W.F., Lewis, S.L., Monteagudo, A., Neill, D.A., Núñez Vargas, P., Pitman, N.C.A., Silva, J.N.M. and V&aactut;squez Martíínez, R. 2004a. Increasing biomass in Amazonian forest plots. Philosophical Transactions of the Royal Society of London Series B - Biological Sciences 359: 353-365.

Baker, T.R., Phillips, O.L., Malhi, Y., Almeida, S., Arroyo, L., Di Fiore, A., Erwin, T., Killeen, T.J., Laurance, S.G., Laurance, W.F., Lewis, S.L., Lloyd, J., Monteagudo, A., Neil, D.A., Patiño, S., Pitman, N.C.A., Natalino, Silva, J.M. and Vásquez Martínez, R. 2004b. Variation in wood density determines spatial patterns in Amazonian forest biomass. Global Change Biology 10: 545-562.

Baldocchi, D., Falge, E., Gu, L.H., Olson, R., Hollinger, D., Running, S., Anthoni, P., Bernhofer, C., Davis, K., Evans, R., Fuentes, J., Goldstein, A., Katul, G., Law B., Lee, X.H., Malhi, Y., Meyers, T., Munger, W., Oechel, W., Paw U, K.T., Pilegaard, K., Schmid, H.P., Valentini, R., Verma, S., Vesala, T., Wilson, K. and Wofsy, S. 2001. FLUXNET: A new tool to study the temporal and spatial variability of ecosystem-scale carbon dioxide, water vapor, and energy flux densities. Bulletin of the American Meteorological Society 82: 2415-2434.

Ballantyne, A.P., Alden, C.B., Miller, J.B., Tans, P.P. and White, J.W. 2012. Increase in observed net carbon dioxide uptake by land and oceans during the past 50 years. Nature 488: 70-72.

Banfai, D.S. and Bowman, D.M.J.S. 2006. Forty years of lowland monsoon rainforest expansion in Kakadu national Park, Northern Australia. Biological Conservation 131: 553-565.

Baron, J.S., Hartman, M.D., Band, L.E. and Lammers, R.B. 2000. Sensitivity of a high-elevation Rocky Mountain watershed to altered climate and CO2. Water Resources Research 36: 89-99.

Battaglia, M., Beadle, C. and Loughhead, S. 1996. Photosynthetic temperature responses of Eucalyptus globulus and Eucalyptus nitens. Tree Physiology 16: 81-89.

Battle, M., Bender, M.L., Tans, P.P., White, J.W.C., Ellis, J.T., Conway, T. and Francey, R.J. 2000. Global carbon sinks and their variability inferred from atmospheric O2 and ¹³C. Science 287: 2467-2470.

Beck, H.E., McVicar, T.R., van Dijk, A.I.J.M., Schellekens, J., de Jeu, R.A.M. and Bruijnzeel, L.A. 2011. Global evaluation of four AVHRR-NDVI data sets: intercomparison and assessment against Landsat imagery. Remote Sensing of the Environment 115: 2547-2563.

Beerling, D.J., Mattey, D.P. and Chaloner, W.G. 1993. Shifts in the δ¹³C composition of Salix herbacea L. leaves in response to spatial and temporal gradients of atmospheric CO2 concentration. Proceedings of the Royal Society of London 253: 53-60.

Beerling, D.J. and Mayle, F.E. 2006. Contrasting effects of climate and CO2 on Amazonian ecosystems since the last glacial maximum. Global Change Biology 12: 1977-1984.

Bellassen, V., Viovy, N., Luyssaert, S., Le Marie, G., Schelhaas, M.-J. and Ciais, P. 2011. Reconstruction and attribution of the carbon sink of European forests between 1950 and 2000. Global Change Biology 17: 3274-3292.

Berry, J. and Bjorkman, O. 1980. Photosynthetic response and adaptation to temperature in higher plants. Annual Review of Plant Physiology 31: 491-543.

Berry, S.L. and Roderick, M.L. 2002. CO2 and land-use effects on Australian vegetation over the last two centuries. Australian Journal of Botany 50: 511-531.

Berry, S.L. and Roderick, M.L. 2006. Changing Australian vegetation from 1788 to 1988: effects of CO2 and land-use change. Australian Journal of Botany 54: 325-338.

Bert, D., Leavitt, S.W. and Dupouey, J.-L. 1997. Variations of wood δ¹³C and water-use efficiency of Abies alba during the last century. Ecology 78: 1588-1596.

Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J., Gens, R., Pinzon, J.E., Tucker, C.J., Tweedie, C.E. and Webber, P.J. 2010. Circumpolar Arctic tundra vegetation change is linked to sea ice decline. Earth Interactions 14: 1-20.

Bigelow, N.H., Brubaker, L.B., Edwards, M.E., Harrison, S.P., Prentice, I.C., Anderson, P.M., Andreev, A.A., Bartlein, P.J., Christensen, T.R., Cramer, W., Kaplan, J.O., Lozhkin, A.V., Matveyeva, N.V., Murray, D.F., McGuire, A.D., Volodya Y., Razzhivin, V.Y., Ritchie, J.C., Smith, B., Walker, D.A., Gajewski, K., Wolf, V., Holmqvist, B.H., Igarashi, Y., Kremenetskii, K., Paus, A., Pisaric, M.F.J. and Volkova, V.S. 2003. Climate change and Arctic ecosystems: 1. Vegetation changes north of 55 N between the last glacial maximum, mid-Holocene, and present. Journal of Geophysical Research 108: 10.1029/2002JD002558.

Biggs, T.H., Quade, J. and Webb, R.H. 2002. δ¹³C values of soil organic matter in semiarid grassland with mesquite (Prosopis) encroachment in southeastern Arizona. Geoderma 110: 109-130.

Birdsey, R., Plantinga, A. and Heath, L. 1993. Past and prospective carbon storage in United States forests. Forest Ecology & Management 58: 33-40.

Birks, H.H. 2008. The late-quaternary history of arctic and alpine plants. Plant Ecology and Diversity 1: 135-146.

Bjorkman, O., Badger, M. and Armond, P.A. 1978. Thermal acclimation of photosynthesis: Effect of growth temperature on photosynthetic characteristics and components of the photosynthetic apparatus in Nerium oleander. Carnegie Institution of Washington Yearbook 77: 262-276.

Bogaert, J., Zhou, L., Tucker, C.J, Myneni, R.B. and Ceulemans, R. 2002. Evidence for a persistent and extensive greening trend in Eurasia inferred from satellite vegetation index data. Journal of Geophysical Research 107: 10.1029/2001JD001075.

Boisvenue, C. and Running, S.W. 2006. Impacts of climate change on natural forest productivity - evidence since the middle of the 20th century. Global Change Biology 12: 862-882.

Bonal, D., Ponton, S., Le Thiec, D., Richard, B., Ningre, N., Herault, B., Ogee, J., Gonzalez, S., Pignal, M., Sabatier, D. and Guehl, J.-M. 2011. Leaf functional response to increasing atmospheric CO2 concentrations over the last century in two northern Amazonian tree species: a historical δ¹³C and δ¹⁸O approach using herbarium samples. Plant, Cell and Environment 34: 1332-1344.

Bond-Lamberty, B., Wang, C. and Gower, S.T. 2002. Aboveground and belowground biomass and sapwood area allometric equations for six boreal tree species of northern Manitoba. Canadian Journal of Forest Research 32: 1441-1450.

Bousquet, P., Ciais, P., Monfray, P., Balkanski, Y., Ramonet, M. and Tans, P. 1996. Influence of two atmospheric transport models on inferring sources and sinks of atmospheric CO2. Tellus Series B 48: 568-582.

Boutton, T.W., Archer, S.R. and Midwood, A.J. 1999. Stable isotopes in ecosystem science: structure, function and dynamics of a subtropical savanna. Rapid Communications in Mass Spectrometry 13: 1263-1277.

Bowman, D.M.J.S., McIntyre, D. and Brook, B.W. 2006. Is the Carpentarian Rock-rat (Zyzomys palatalis) critically endangered? Pacific Conservation Biology 12: 134-139.

Bowman, D.M.J.S., Walsh, A. and Milne, D.J. 2001. Forest expansion and grassland contraction within a Eucalyptus savanna matrix between 1941 and 1994 at Litchfield National Park in the Australian monsoon tropics. Global Ecology and Biogeography 10: 535-548.

Brogaard, S., Runnstrom, M. and Seaquist, J.W. 2005. Primary production of Inner Mongolia, China, between 1982 and 1999 estimated by a satellite data-driven light use efficiency model. Global and Planetary Change 45: 313-332.

Brubaker, L.B., Garfinkee, H.L. and Edwards, M.E. 1983. A late Wisconsin and Holocene vegetation history from the central brooks range: Implications for Alaskan palaeoecology. Quaternary Research 20: 194-214.

Burrows, W.H., Henry, B.K. and Back, P.V. 2002. Growth and carbon stock change in eucalypt woodlands in northeast Australia: ecological and greenhouse sink implications. Global Change Biology 8: 769-784.

Cadieux, M.C., Gauthier, G., Gagnon, C.A., Bety, J. and Berteaux, D. 2008. Monitoring the Environmental and Ecological Impacts of Climate Change on Bylot Island, Sirmilik National Park. Universite Laval, Quebec, Canada.

Callaghan, T.V., Bjorn, L.O., Chapin, T., Chernov, Y., Christensen, T.R., Huntley, B., Ims, R.A., Johansson, M., Riedlinger, D.J., Jonasson, S., Matveyeva, N., Oechel, W., Panikov, N., Shaver, G., Elster, J., Henttonen, H., Jónsdóttir, I.S., Laine, K., Schaphoff, S., Sitch, S., Taulavuori, E., Taulavuori, K. and Zöckler, C. 2005. Arctic tundra and polar desert ecosystems. In: Arctic Climate Impact Assessment (ACIA). ACIA Scientific Report: Cambridge University Press, Cambridge, United Kingdom, p. 243-352.

Cambridge History of China. 1987. Volume 14. Cambridge University Press, Cambridge, UK.

Canadell, J.G., LeQuere, C., Raupach, M.R., Field, C.B., Buitenhuis, E.T,., Ciais, P., Conway, T.J., Gillett, N.P., Houghton, R.A. and Marland, G. 2007. Contributions to accelerating atmospheric CO2 growth from economic activity, carbon intensity, and efficiency of natural sinks. Proceedings of the National Academy of Sciences of the United States of America 104: 18,866-18,870.

Cao, M.K., Prince, S.D. and Shugart, H.H. 2002. Increasing terrestrial carbon uptake from the 1980s to the 1990s with changes in climate and atmospheric CO2. Global Biogeochemical Cycles 16: 10.1029/2001GB001553.

Cao, M., Prince, S.D., Small, J. and Goetz, S.J. 2004. Remotely sensed interannual variations and trends in terrestrial net primary productivity 1981-2000. Ecosystems 7: 233-242.

Cao, M., Prince, S.D., Tao, B., Small, J. and Kerang, L. 2005. Regional pattern and interannual variations in global terrestrial carbon uptake in response to changes in climate and atmospheric CO2. Tellus B 57: 210-217.

Cao, M.K. and Woodward, F.I. 1998. Dynamic responses of terrestrial ecosystem carbon cycling to global climate change. Nature 393: 249-252.

Capers, R.S. and Stone, A.D. 2011. After 33 years, trees more frequent and shrubs more abundant in northeast U.S. alpine community. Arctic, Antarctic, and Alpine Research 43: 495-502.

Chapin III, F.S. 1983. Direct and indirect effects of temperature on Arctic plants. Polar Biology 2: 47-52.

Chapin III, F.S., Bret-Harte, M.S., Hobbie, S.E. and Zhong, H. 1996. Plant functional types as predictors of transient responses of arctic vegetation to global change. Journal of Vegetation Science 7: 347-358.

Chapin III, F.S., McGuire, A.D., Randerson, J., Pielke, R., Baldocchi, D., Hobbie, S.E., Roulet, N., Eugster, W., Kasischke, E., Rastetter, E.B., Zimov, S.A., and Running, S.W. 2000. Arctic and boreal ecosystems of western North America as components of the climate system. Global Change Biology 6: 211-223.

Chave, J., Condit, R., Muller-Landau, H.C., Thomas, S.C., Ashton, P.S., Bunyavejchewin, S., Co, L.L., Dattaraja, H.S., Davies, S.J., Esufali, S., Ewango, C.E.N., Feeley, K.J., Foster, R.B., Gunatilleke, N., Gunatilleke, S., Hall, P., Hart, T.B., Hernández, C., Hubbell, S.P., Itoh, A., Kiratiprayoon, S., LaFrankie, J.V., de Lao, S.L., Makana, J.-R., Noor, Md.N.S., Kassim, A.R., Samper, C., Sukumar, R., Suresh, H.S., Tan, S., Thompson, J., Tongco, Ma.D.C., Valencia, R., Vallejo, M., Villa, G., Yamakura, T., Zimmerman, J.K. and Losos, E.C. 2008. Assessing evidence for a pervasive alteration in tropical tree communities. PLoS Biology 6: 10.1371/journal.pbio.0060045.

Cheddadi, R., Guiot, J. and Jolly, D. 2001. The Mediterranean vegetation: what if the atmospheric CO2 increased? Landscape Ecology 16: 667-675.

Chen, Z.M., Babiker, I.S., Chen, Z.X., Komaki, K., Mohamed, M.A.A. and Kato, K. 2004. Estimation of interannual variation in productivity of global vegetation using NDVI data. International Journal of Remote Sensing 25: 3139-3159.

Ciais, P., Piao, S.-L., Cadule, P., Friedlingstein, P. and Chedin, A. 2008. Variability and recent trends in the African carbon balance. Biogeosciences Discussions 5: 3497-3532.

Ciais, P., Piao, S.-L., Cadule, P., Friedlingstein, P. and Chedin, A. 2009. Variability and recent trends in the African terrestrial carbon balance. Biogeosciences 6: 1935-1948.

Clark, D.A. 2002. Are tropical forests an important carbon sink? Reanalysis of the long-term plot data. Ecological Applications 12: 3-7.

Clark, D.A., Piper, S.C., Keeling, C.D. and Clark, D.B. 2003. Tropical rain forest tree growth and atmospheric carbon dynamics linked to interannual temperature variation during 1984-2000. Proceedings of the National Academy of Sciences, USA 100: 10.1073/pnas.0935903100.

Coelho, C.A.S. and Goddard, L. 2009. El Niño-induced tropical droughts in climate change projections. Journal of Climate 22: 6456-6476.

Cohan, D.S., Xu, J., Greenwald, R., Bergin, M.H. and Chameides, W.L. 2002. Impact of atmospheric aerosol light scattering and absorption on terrestrial net primary productivity. Global Biogeochemical Cycles 16: 10.1029/2001GB001441.

Cole, C.T., Anderson, J.E., Lindroth, R.L. and Waller, D.M. 2010. Rising concentrations of atmospheric CO2 have increased growth in natural stands of quaking aspen (Populus tremuloides). Global Change Biology 16: 2186-2197.

Collatz, G.J., Bounoua, L., Los, S.O., Randall, D.A., Fung, I.Y. and Sellers, P.J. 2000. A mechanism for the influence of vegetation on the response of the diurnal temperature range to changing climate. Geophysical Research Letters 27: 3381-3384.

Condit, R. 1997. Forest turnover, density, and CO2. Trends in Ecology and Evolution 12: 249-250.

Cowling, S.A. 2004. Tropical forest structure: a missing dimension to Pleistocene landscapes. Journal of Quaternary Science 19: 733-743.

Cowling, S.A., Maslin, M.A. and Sykes, M.T. 2001. Paleovegetation simulations of lowland Amazonia and implications for neotropical allopatry and speciation. Quaternary Research 55: 140-149.

Cowling, S.A. and Sykes, M.T. 1999. Physiological significance of low atmospheric CO2 for plant-climate interactions. Quaternary Research 52: 237-242.

Cramer, W., Bondeau, A., Woodward, F.I., Prentice, I.C., Betts, R.A., Brovkin, V., Cox, P.M., Fisher, V., Foley, J.A., Friend, A.D., Kucharik, C., Lomas, M.R., Ramankutty, N., Sitch, S., Smith, B., White, A. and Young-Molling, C. 2001. Global response of terrestrial ecosystem structure and function to CO2 and climate change: results from six dynamic global vegetation models. Global Change Biology 7: 357-373.

Danby, R.K. and Hik, D.S. 2007. Variability, contingency and rapid change in recent subarctic alpine tree line dynamics. Journal of Ecology 95: 352-363.

Davis, M.A., Reich, P.B., Knoll, M.J.B., Dooley, L., Hundtoft, M. and Attleson, I. 2007. Elevated atmospheric CO2: a nurse plant substitute for oak seedlings establishing in old fields. Global Change Biology 13: 2308-2316.

De Jong, R., Verbesselt, J., Schaepman, M.E. and De Bruin, S. 2012. Trend changes in global greening and browning: contribution of short-term trends to longer-term change. Global Change Biology 18: 642-655.

Delpierre, N., Soudani, K., Francois, C., Kostner, B., Pontailler, J.-Y., Nikinmaa, E., Misson, L., Aubinet, M., Bernhofer, C., Granier, A., Grunwald, T., Heinesch, B., Longdoz, B., Ourcival, J.-M., Rambal, S., Vesala, T. and Dufrene, E. 2009. Exceptional carbon uptake in European forests during the warm spring of 2007: A data-model analysis. Global Change Biology 15: 1455-1474.

Dilley, M., Chen, R.S., Deichmann, U., Lerner-Lam, A.L. and Arnold, M. 2005. Natural Disaster Hotspots: A Global Risk Analysis. World Bank, 145 pp.

Doherty, R.M., Sitch, S., Smith, B., Lewis, S.L. and Thornton, P.K. 2010. Implications of future climate and atmospheric CO2 content for regional biogeochemistry, biogeography and ecosystem services across East Africa. Global Change Biology 16: 617-640.

Donohue, R.J., McVicar, T.R. and Roderick, M.L. 2009. Climate-related trends n Australian vegetation cover as inferred from satellite observations, 1981-2006. Global Change Biology 15: 1025-1039.

Dormann, C.F. and Woodin, S.J. 2002. Climate change in the arctic: using plant functional types in a meta-analysis of field experiments. Functional Ecology 16: 4-17.

Duquesnay, A., Breda, N., Stievenard, M. and Dupouey, J.L. 1998. Changes of tree-ring δ¹³C and water-use efficiency of beech (Fagus sylvatica L.) in north-eastern France during the past century. Plant, Cell and Environment 21: 565-572.

Eamus, D. and Palmer, A.R. 2007. Is climate change a possible explanation for woody thickening in arid and semi-arid regions? Research Letters in Ecology doi:10.1155/2007/37364.

Easterling, D.R., Horton, B., Jones, P.D., Peterson, T.C., Karl, T.R., Parker, D.E., Salinger, M.J., Razuvayev, V., Plummer, N., Jamason, P. and Folland, C.K. 1997. Maximum and minimum temperature trends for the globe. Science 277: 364-367.

Eklundh, L. and Olssson, L. 2003. Vegetation index trends for the African Sahel 1982-1999. Geophysical Research Letters 30: 10.1029/2002GL016772.

Ellison, A.M., Bank, M.S., Clinton, B.D., Colburn, E.A., Elliott, K., Ford, C.R., Foster, D.R., Kloeppel, B.D., Knoepp, J.D., Lovett, G.M., Mohan, J., Orwig, D.A., Rodenhouse, N.L., Sobczak, W.V., Stinson, K.A., Stone, J.K., Swan, C.M., Thompson, J., Holle, B.V. and Webster, JR. 2005. Loss of foundation species: consequences for the structure and dynamics of forested ecosystems. Frontiers in Ecology and the Environment 3: 479-486.

Elmendorf, S.C., Henry, G.H.R., Hollister, R.D., Bjork, R.G., Boulanger-Lapointe, N., Cooper, E.J., Cornelissen, J.H.C., Day, T.A., Dorrepaal, E., Elumeeva, T.G., Gill, M., Gould, W.A., Harte, J., Hik, D.S., Hofgaard, A., Johnson, D.R., Johnstone, J.F., Jonsdottir, I.S., Jorgenson, J.C., Klanderud, K., Klein, J.A., Koh, S., Kudo, G., Lara, M., Levesque, E., Magnusson, B., May, J.L., Mercado-Diaz, J.A., Michelsen, A., Molau, U., Myers-Smith, I.H., Oberbauer, S.F., Onipchenko, V.G., Rixen, C., Schmidt, N.M., Shaver, G.R., Spasojevic, M.J., Porhallsdottir, P.E., Tolvanen, A., Troxler, T., Tweedie, C.E., Villareal, S., Wahren, C.-H., Walker, X., Webber, P.J., Welker, J.M. and Wipf, S. 2012. Plot-scale evidence of tundra vegetation change and links to recent summer warming. Nature Climate Change 2: 453-457.

Enting, I. 2002. Inverse Problems in Atmospheric Constituent Transport. Cambridge University Press, Cambridge, United Kingdom.

Epstein, H.E., Calef, M.P., Walker, M.D., Chapin III, F.S. and Starfield, A.M. 2004. Detecting changes in arctic tundra plant communities in response to warming over decadal time scales. Global Change Biology 10: 1325-1334.

Epstein, H.E., Walker, M.D., Chapin III, F.S. and Starfield, A.M. 2000. A transient, nutrient-based model of arctic plant community response to climatic warming. Ecological Applications 10: 824-841.

Esser, G., Hoffstadt, J., Mack, F. and Wittenberg, U. 1994. High Resolution Biosphere Model-Documentation of Model Version 3.00.00. Institute fur Pflanzenokologie der Justus-Liebig-Universitat, Giessen.

Fang, J., Piao, S., Field, C.B., Pan, Y., Guo, Q., Zhou, L., Peng, C. and Tao, S. 2003. Increasing net primary production in China from 1982 to 1999. Frontiers in Ecology and the Environment 1: 293-297.

Fang, J.Y., Piao, S.L., He, J.S. and Ma, W.H. 2004. Increasing terrestrial vegetation activity in China, 1982-1999. Science in China Series C: Life Sciences 47: 229-240.

Fang, J.Y., Piao, S.L., Zhou, L.M., He, J.S., Wei, F.Y., Myneni, R.B., Tucker, C.J. and Tan, K. 2005. Precipitation patterns alter growth of temperate vegetation. Geophysical Research Letters 32: 10.1029/2005GL024231.

Feely, R.A., Wanninkhof, R., Takahashi, T. and Tans, P. 1999. Influence of El Niño on the equatorial Pacific contribution to atmospheric CO2 accumulation. Nature 398: 597-601.

Felzer, B.S., Kicklighter, D.W., Melillo, J.M., Wang, C., Zhuang, Q. and Prinn, R. 2004. Effects of ozone on net primary production and carbon sequestration in the conterminous United States using a biogeochemistry model. Tellus 56B: 230-248.

Feng, X. 1999. Trends in intrinsic water-use efficiency of natural trees for the past 100-200 years: A response to atmospheric CO2 concentration. Geochimica et Cosmochimica Acta 63: 1891-1903.

Fensham, R.J., Fairfax, R.J. and Archer, S.R. 2005. Rainfall, land use and woody vegetation cover change in semi-arid Australian savanna. Journal of Ecology 93: 596-606.

Forbes, B.C., Fauria, M.M. and Zetterberg, P. 2009. Russian Arctic warming and greening are closely tracked by tundra shrub willows. Global Change Biology 15: 1-13.

Forbes, B.C., Fauria, M.M. and Zetterberg, P. 2010a. Russian Arctic warming and 'greening' are closely tracked by tundra shrub willows. Global Change Biology 16: 1542-1554.

Forbes, B.C., Stammler, F., Kumpula, T., Meschtyb, N., Pajunen, A. and Kaarlejarvia, E. 2010b. High resilience in the Yamal-Nenets social-ecological system, West Siberian Arctic, Russia. Proceedings of the National Academy of Science USA 106: 22,041-22,048.

Francey, R.J. and Farquhar, G.D. 1982. An explanation of ¹³C/¹²C variations in tree rings. Nature 297: 28-31.

Friedlingstein, P., Cox, P., Betts, R., Bopp, L., von Bloh, W., Brovkin, V., Cadule, P., Doney, S., Eby, M., Fung, I., Bala, G., John, J., Jones, C., Joos, F., Kato, T., Kawamiya, M., Knorr, W., Lindsay, K., Matthews, H.D., Raddatz, T., Rayner, P., Reick, C., Roeckner, E., Schnitzler, K.-G., Schnur, R., Strassmann, K., Weaver, A.J., Yoshikawa, C. and Zeng, N. 2006. Climate-carbon cycle feedback analysis: Results from the (CMIP)-M-4 model intercomparison. Journal of Climate 19: 3337-3353.

Froux, F., Ducrey, M., Epron, D. and Dreyer, E. 2004. Seasonal variations and acclimation potential of the thermostability of photochemistry in four Mediterranean conifers. Annals of Forest Science 61: 235-236.

Gebrekirstos, A., Worbes, M., Teketay, D., Fetene, M. and Mitlohner, R. 2009. Stable carbon isotope ratios in tree rings of co-occurring species from semi-arid tropics in Africa: patterns and climatic signals. Global and Planetary Change 66: 253-260.

Gerard, J.C., Nemry, B., Francois, L.M. and Warnant, P. 1999. The interannual change of atmospheric CO2: Contribution of subtropical ecosystems? Geophysical Research Letters 26: 342-246.

Gibbens, R.P., Beck, R.F., Mcneely, R.P. and Herbel, C.H. 1992. Recent rates of mesquite establishment in the northern Chihuahuan desert. Journal of Range Management 45: 585-588.

Gloor, M., Phillips, O.L., Lloyd, J.J., Lewis, S.L., Malhi, Y., Baker, T.R., Lopez-Gonzalez, G., Peacock, J., Almeida, S., Alves de Oliveira, A.C., Alvarez, E., Amaral, I., Arroyo, L, Aymard, G., Banki, O., Blanc, L., Bonal, D., Brando, P., Chao, K.-J., Chave, J., Davila, N., Erwin, T., Silva, J., DiFiore, A., Feldpausch, T.R., Freitzs, A., Herrera, R., Higuchi, N., Honorio, E., Jimenez, E., Killeen, T., Laurance, W., Mendoza, C., Monteagudo, A., Andrade, A. Neill, D., Nepstad, D., Nunez Vargas, P., Penuela, M.C., Pena Cruz, A., Prieto, A., Pitman, N., Quesada, C., Salomao, R., Silveira, M., Schwarz, M., Stropp, J., Ramirez, F., Ramirez, H., Rudas, A., ter Steege, H., Silva, N., Torres, A., Terborgh, J., Vasquez, R. and van der Heijden, G. 2009. Does the disturbance hypothesis explain the biomass increase in basin-wide Amazon forest plot data? Global Change Biology 15: 2418-2430.

Gloor, M., Sarmiento, J.L. and Gruber, N. 2010. What can be learned about carbon cycle climate feedbacks from the CO2 airborne fraction? Atmospheric Chemistry and Physics 10: 7739-7751.

Goetz, S.J., Bunn, A.G., Fiske, G.J. and Houghton, R.A. 2005. Satellite-observed photosynthetic trends across boreal North America associated with climate and fire disturbance. Proceedings of the National Academy of Sciences 102: 13,521-13,525.

Goetz, S.J., Prince, S.D., Small, J., Gleason, A.C.R. and Thawley, M.M. 2000. Interannual variability of global terrestrial primary production: reduction of a model driven with satellite observations. Journal of Geophysical Research 105: 20,007-20,091.

Goulden, M.L., Wofsy, S.C., Harden, J.W., Trumbore, S.E., Crill, P.M., Gower, S.T., Fries, T., Daube, B.C., Fan, S.M., Sutton, D.J., Bazzaz, A. and Munger, J.W. 1998. Sensitivity of boreal forest carbon balance to soil thaw. Science 279: 214-217.

Grabherr, G., Gottfried, M. and Pauli, H. 2001. Long-term monitoring of mountain peaks in the Alps. In: Burga, C.A. and Kratochwil, A. (Eds.), Biomonitoring: General and Applied Aspects on Regional and Global Scales. Tasks for Vegetation Science. Kluwer, Dordrecht, Germany, pp. 153-177.

Grace, J., Lloyd, J., McIntyre, J., Miranda, A.C., Meir, P., Miranda, H.S., Nobre, C., Moncrieff, J., Massheder, J., Malhi, Y., Wright, I. andGash, J. 1995. Carbon dioxide uptake by an undisturbed tropical rain-forest in Southwest Amazonia, 1992-1993. Science 270: 778-780.

Graybill, D.A. and Idso, S.B. 1993. Detecting the aerial fertilization effect of atmospheric CO2 enrichment in tree-ring chronologies. Global Biogeochemical Cycles 7: 81-95.

Grubb, H. 2008. Tornetrask tree-ring width and density AD 500-2004: A test of climatic sensitivity and a new 1500-year reconstruction of north Fennoscandian summers. Climate Dynamics 31: 843-857.

Grunzweig, J.M., Lin, T., Rotenberg, E., Schwartz, A. and Yakir, D. 2003. Carbon sequestration in arid-land forest. Global Change Biology 9: 791-799.

Gu, L., Baldocchi, D., Verma, S.B., Black, T.A., Vesala, T., Falge, E.M. and Dowty, P.R. 2002. Advantages of diffuse radiation for terrestrial ecosystem productivity. Journal of Geophysical Research 107: 10.1029/2001JD001242.

Gu, L., Baldocchi, D.D., Wofsy, S.C., Munger, J.W., Urbanski, S.P. and Boden, T.A. 2003. Response of a deciduous forest to the mount Pinatubo eruption: Enhanced photosynthesis. Science 299: 2035-2038.

Gunderson, C.A., O'Hara, K.H., Campion, C.M., Walker, A.V. and Edwards, N.T. 2010. Thermal plasticity of photosynthesis: the role of acclimation in forest responses to a warming climate. Global Change Biology 16: 2272-2286.

Gurney, K.R., Baker, D., Rayner, P., Denning, A.S. and TransCom 3 L2 modelers. 2008. Interannual variations in continental-scale net carbon exchange and sensitivity to observing networds estimated from atmospheric CO2 inversions for the period 1980 to 2005. Global Biogeochemical Cycles 22: 10.1029/2007GB003082.

Gurney, K.R., Law, R.M., Denning, A.S., Rayner, P.J., Baker, D., Bousquet, P., Bruhwiler, L., Chen, Y.-H., Ciais, P., Fan, S., Fung, I.Y., Gloor, M., Heimann, M., Higuchi, K., John, J., Maki, T., Maksyutov, S., Masarie, K., Peylin, P., Prather, M., Pak, B.C., Randerson, J., Sarmiento, J., Taguchi, S., Takahashi, T. and Yuen, C.-W. 2002. Towards robust regional estimates of CO2 sources and sinks using atmospheric transport models. Nature 415: 626-630.

Gutierrez, D., Gutierrez, E., Perez, P., Morcuende, R., Verdejo, A.L. and Martinez-Carrasco, R. 2009. Acclimation to future atmospheric CO2 levels increases photochemical efficiency and mitigates photochemistry inhibition by warm temperatures in wheat under field chambers. Physiologia Plantarum 137: 86-100.

Hallinger, M., Manthey, M. and Wilmking, M. 2010. Establishing a missing link: Warm summers and winter snow cover promote shrub expansion into alpine tundra in Scandinavia. New Phytologist 186: 890-899.

Hanson, P.J., Wullschleger, S.D., Norby, R.J., Tschaplinski, T.J. and Gunderson, C.A. 2005. Importance of changing CO2, temperature, precipitation, and ozone on carbon and water cycles of an upland-oak forest: incorporating experimental results into model simulations. Global Change Biology 11: 1402-1423.

Hari, P. and Arovaara, H. 1988. Detecting CO2 induced enhancement in the radial increment of trees. Evidence from the northern timberline. Scandinavian Journal of Forest Research 3: 67-74.

Hari, P., Arovaara, H., Raunemaa, T. And Hautojarvi, A. 1984. Forest growth and the effects of energy production: A method for detecting trends in the growth potential of trees. Canadian Journal of Forest Research 14: 437-440.

Harley, P.C., Tenhunen. J.D. and Lange, O.L. 1986. Use of an analytical model to study the limitations on net photosynthesis in Arbutus unedo under field conditions. Oecologia 70: 393-401.

Harrington, G.N. and Sanderson, K.D. 1994. Recent contraction of wet sclerophyll forest in the wet tropics of Queensland due to invasion by rainforest. Pacific Conservation Biology 1: 319-327.

Hartley, A.E., Neil, C., Melillo, J.M., Crabtree, R. and Bowles, F.P. 1999. Plant performance and soil nitrogen mineralization in response to simulated climate change in subarctic dwarf shrub heath. Oikos 86: 331-343.

Hedenas, H., Olsson, H., Jonasson, C., Bergstedt, J., Dahlberg, U. and Callaghan, T.V. 2011. Changes in tree growth, biomass and vegetation over a 13-year period in the Swedish Sub-Arctic. Ambio 40: 672-682.

Hennessy, K.J., Gregory, J.M. and Mitchell, J.F.B. 1997. Changes in daily precipitation under enhanced greenhouse conditions. Climate Dynamics 13: 667-680.

Herrmann, S.M., Anyamba, A. and Tucker, C.J. 2005. Recent trends in vegetation dynamics in the African Sahel and their relationship to climate. Global Environmental Change 15: 394-404.

Herzschuh, U., Ni, J., Birks, H.J.B. and Bohner, J. 2011. Driving forces of mid-Holocene vegetation shifts on the upper Tibetan Plateau, with emphasis on changes in atmospheric CO2 concentrations. Quaternary Science Reviews 30: 1907-1917.

Heubes, J., Kuhn, I., Konig, K., Wittig, R., Zizka, G. and Hahn, K. 2011. Modelling biome shifts and tree cover change for 2050 in West Africa. Journal of Biogeography 38: 2248-2258.

Hibbard, K.A., Archer, S., Schimel, D.S. and Valentine, D.W. 2001. Biogeochemical changes accompanying woody plant encroachment in a subtropical savanna. Ecology 82: 1999-2011.

Hibbard, K.A., Schimel, D.S., Archer, S., Ojima, D.S. and Parton, W. 2003. Grassland to woodland transitions: integrating changes in landscape structure and biogeochemistry. Ecological Applications 13: 911-926.

Hicke, J.A., Asner, G.P., Randerson, J.T., Tucker, C., Los, S., Birdsey, R., Jenkins, J.C. and Field, C. 2002. Trends in North American net primary productivity derived from satellite observations, 1982-1998. Global Biogeochemical Cycles 16: 10.1029/2001GB001550.

Hickler, T., Eklundh, L., Seaquist, J.W., Smith, B., Ardo, J., Olsson, L., Sykes, M.T. and Sjostrom, M. 2005. Precipitation controls Sahel greening trend. Geophysical Research Letters 32: 10.1029/2005GL024370.

Hietz, P., Wanek, W. and Dunisch, O. 2005. Long-term trends in cellulose δ¹³C and water-use efficiency of tropical Dedrela and Swietenia from Brazil. Tree Physiology 25: 745-752.

Hill, R.S., Read, J. and Busby, J.R. 1988. The temperature-dependence of photosynthesis of some Australian temperate rainforest trees and its biogeographical significance. Journal of Biogeography 15: 431-449.

Hofgaard, A., Dalen, L. and Hytteborn, J. 2009. Tree recruitment above the treeline and potential for climate-driven treeline change. Journal of Vegetation Science 20: 1133-1144.

Houghton, R.A. 2000. Interannual variability in the global carbon cycle. Journal of Geophysical Research 105: 20,121-20,130.

Hudson, J.M.G. and Henry, G.H.R. 2009. Increased plant biomass in a High Arctic heath community from 1981 to 2008. Ecology 90: 2657-2663.

Hudson, J.M.G. and Henry, G.H.R. 2010. High Arctic plant community resists 15 years of experimental warming. Journal of Ecology 98: 1035-1041.

Hungate, B.A., Dukes, J.S., Shaw, M.R., Luo, Y. and Field, C.B. 2003. Nitrogen and climate change. Science 302: 1512-1513.

Ichii, K., Hashimoto, H., Nemani, R. and White, M. 2005. Modeling the interannual variability and trends in gross and net primary productivity of tropical forests from 1982 to 1999. Global and Planetary Change 48: 274-286.

Ichii, K., Kawabata, A. and Yamaguchi, Y. 2002. Global correlation analysis for NDVI and climatic variables and NDVI trends: 1982-1990. International Journal of Remote Sensing 23: 3873-3878.

Idso, C.D. and Idso, S.B. 2011. The Many Benefits of Atmospheric CO2 Enrichment. Vales Lakes Publishing, Inc., Pueblo, Colorado, USA.

Idso, C.D., Idso, S.B., Kimball, B.A., Park, H., Hoober, J.K. and Balling Jr., R.C. 2000. Ultra-enhanced spring branch growth in CO2-enriched trees: can it alter the phase of the atmosphere's seasonal CO2 cycle? Environmental and Experimental Botany 43: 91-100.

Idso, C.D. and Singer, S.F. 2009. Climate Change Reconsidered: 2009 Report of the Nongovernmental Panel on Climate Change (NIPCC), The Heartland Institute, Chicago, IL.

Idso, K.E. and Idso, S.B. 1994. Plant responses to atmospheric CO2 enrichment in the face of environmental constraints: A review of the past 10 years' research. Agricultural and Forest Meteorology 69: 153-203.

Idso, S.B. 1982. Carbon Dioxide: Friend or Foe? IBR Press, Tempe, AZ.

Idso, S.B. 1986. Industrial age leading to the greening of the Earth? Nature 320: 22.

Idso, S.B. 1991a. The aerial fertilization effect of CO2 and its implications for global carbon cycling and maximum greenhouse warming. Bulletin of the American Meteorological Society 72: 962-965.

Idso, S.B. 1991b. Reply to comments of L.D. Danny Harvey, Bert Bolin, and P. Lehmann. Bulletin of the American Meteorological Society 72: 1910-1914.

Idso, S.B. 1995. CO2 and the Biosphere: The Incredible Legacy of the Industrial Revolution. Department of Soil, Water & Climate, University of Minnesota, St. Paul, Minnesota, USA.

Idso, S.B. 1999. The long-term response of trees to atmospheric CO2 enrichment. Global Change Biology 5: 493-495.

Idso, S.B., Idso, K.E., Garcia, R.L., Kimball, B.A. and Hoober, J.K. 1995. Effects of atmospheric CO2 enrichment and foliar methanol application on net photosynthesis of sour orange tree (Citrus aurantium; Rutaceae) leaves. American Journal of Botany 82: 26-30.

Idso, S.B. and Kimball, B.A. 2001. CO2 enrichment of sour orange trees: 13 years and counting. Environmental and Experimental Botany 46: 147-153.

Indermuhle, A., Stocker, T.F., Joos, F., Fischer, H., Smith, H.J., Wahlen, M., Deck, B., Mastroianni, D., Tschumi, J., Blunier, T., Meyer, R. and Stauffer, B. 1999. Holocene carbon-cycle dynamics based on CO2 trapped in ice at Taylor Dome, Antarctica. Nature 398: 121-126.

IPCC. 2007. Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Intergovernmental Panel on Climate Change, Cambridge, United Kingdom.

Jia, G.J., Epstein, H.E. and Walker, D.A. 2003. Greening of arctic Alaska, 1981-2001. Geophysical Research Letters 30: 31-33.

Joos, F. and Bruno, M. 1998. Long-term variability of the terrestrial and oceanic carbon sinks and the budgets of the carbon isotopes ¹³C and ¹⁴C. Global Biogeochemical Cycles 12: 277-295.

Julien, Y., Sobrino, J.A. and Verhoef, W. 2006. Changes in land surface temperatures and NDVI values over Europe between 1982 and 1999. Remote Sensing of Environment 103: 43-55.

Jurik, T.W., Webber, J.A. and Gates, D.M. 1984. Short-term effects of CO2 on gas exchange of leaves of bigtooth aspen (Populus grandidentata) in the field. Plant Physiology 75: 1022-1026.

Kammer, P.M., Schob, C. and Choler, P. 2007. Increasing species richness on mountain summits: Upward migration due to anthropogenic climate change or re-colonization? Journal of Vegetation Science 18: 301-306.

Karlsson, H., Hornberg, G., Hannon, G. and Nordstrom, E.-M. 2007. Long-term vegetation changes in the northern Scandinavian forest limit: A human impact-climate synergy? The Holocene 17: 37-49.

Katinas, L. and Crisci, J.V. 2008. Reconstructing the biogeographical history of two plant genera with different dispersion capabilities. Journal of Biogeography 35: 1374-1384.

Keeling, C.D., Chin, J.F.S. and Whorf, T.P. 1996. Increased activity of northern vegetation inferred from atmospheric CO2 measurements. Nature 382: 146-149.

Keeling, C.D. and Whorf, T.P. 1998. Atmospheric CO2 Concentrations - Mauna Loa Observatory, Hawaii, 1958-1997 (revised August 2000). NDP-001. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee.

Keeling, C.D., Whorf, T.P., Wahlen, M. and van der Pflicht, J. 1995. Interannual extremes in the rate of rise of atmospheric carbon dioxide since 1980. Nature 375: 666-670.

Kharuk, V.I., Ranson, K.J., Im, S.T. and Naurzbaev, M.M. 2006. Forest-tundra larch forests and climatic trends. Russian Journal of Ecology 37: 291-298.

Kilander, S. 1955. Karlvaxternas ovre granser pa fjall i sydvastra Jamtland samt angransande delar av Harjedalen och Norge. Acta Phytogeogr. Suec. 35: 1-198.

Kimball, J.S., Zhao, M., Mcguire, A.D., Heinsch, F.A., Clein, J., Calef, M.P., Jolly, W.M., Kang, S., Euskirchen, S.E., McDonald, K.C. and Running, S.W. 2006. Recent climate-driven increases in vegetation productivity for the Western Arctic: evidence for an acceleration of the northern terrestrial carbon cycle. Earth Interactions 11: 1-23.

Knorr, W. 2000. Annual and interannual CO2 exchanges of the terrestrial biosphere: Process-based simulations and uncertainties. Global Ecology and Biogeography 9: 225-252.

Knorr, W. 2009. Is the airborne fraction of anthropogenic CO2 emissions increasing? Geophysical Research Letters 36: 10.1029/2009GL040613.

Krinner, G., Viovy, N., de Noblet-Ducoudre, N., Ogee, J., Polcher, J., Friedlingstein, P., Ciais, P., Sitch, S. and Prentice, I.C. 2005. A dynamic global vegetation model for studies of the coupled atmosphere-biosphere system. Global Biogeochemical Cycles 19: 10.1029/2003GB002199.

Kullman, L. 2001. 20th century climate warming and tree-limit rise in the southern Scandes of Sweden. Ambio 30: 72-80.

Kullman, L. 2002. Rapid recent range-margin rise of tree and shrub species in the Swedish Scandes. Journal of Ecology 90: 68-77.

Kullman, L. 2006. Transformation of alpine and subalpine vegetation in a potentially warmer future, the Anthropocene era. Tentative projections based on long-term observations and paleovegetation records. Current Trends in Ecology 1: 1-16.

Kullman, L. 2007a. Long-term geobotanical observations of climate change impacts in the Scandes of west-central Sweden. Nordic Journal of Botany 24: 445-467.

Kullman, L. 2007b. Modern climate change and shifting ecological states of the subalpine/alpine landscape in the Swedish Scandes. Geo-Oko 28: 187-221.

Kullman, L. 2010b. One century of treeline change and stability -- experiences from the Swedish Scandes. Landscape Online 17: 1-31.

Kullman, L. 2010a. A richer, greener and smaller alpine world -- review and projection of warming-induced plant cover change in the Swedish Scandes. Ambio 39: 159-169.

Kullman, L. 2010c. Alpine flora dynamics -- a critical review of responses to climate change in the Swedish Scandes since the early 1950s. Nordic Journal of Botany 28: 398-408.

Kullman, L. and Kjallgren, L. 2006. Holocene tree-line evolution in the Swedish Scandes: Recent tree-line rise and climate change in a long-term perspective. Boreas 35: 159-168.

LaMarche Jr., V.C., Graybill, D.A., Fritts, H.C. and Rose, M.R. 1984. Increasing atmospheric carbon dioxide: Tree ring evidence for growth enhancement in natural vegetation. Science 223: 1019-1021.

Langenfields, R.L., Francey, R.J., Pak, B.C., Steele, L.P., Lloyd, J., Trudinger, C.M. and Allison, C.E. 2002. Interannual growth rate variations of atmospheric CO2 and its ¹³C, H2, CH4, and CO between 1992 and 1999 linked to biomass burning. Global Biogeochemical Cycles 16: 10.1029/2001GB001466.

Langenfelds, R.L. Francey, R.J. and Steele, L.P. 1999. Partitioning of the global fossil CO2 sink using a 19-year trend in atmospheric O2. Geophysical Research Letters 26: 1897-1900.

Lantz, T.C., Kokelj, S.V., Gergel, S.E. and Henry, G.H.R. 2009. Relative impacts of disturbance and temperature: Persistent changes in microenvironment and vegetation in retrogressive thaw slumps. Global Change Biology 15: 1664-1675.

Lapenis, A., Shvidenko, A., Shepaschenko, D., Nilsson, S. and Aiyyer, A. 2005. Acclimation of Russian forests to recent changes in climate. Global Change Biology 11: 2090-2102.

Laurance, W.F., Nascimento, H.E.M., Laurance, S.G., Condit, R., D'Angelo, S. and Andrade, A. 2004b. Inferred longevity of Amazonian rainforest trees based on a long-term demographic study. Forest Ecology and Management 190: 131-143.

Laurance, W.F., Oliveira, A.A., Laurance, S.G., Condit, R., Dick, C.W., Andrade, A., Nascimento, H.E.M., Lovejoy, T.E. and Ribeiro, J.E.L.S. 2005. Altered tree communities in undisturbed Amazonian forests: A consequence of global change? Biotropica 37: 160-162.

Laurance, W.F., Oliveira, A.A., Laurance, S.G., Condit, R., Nascimento, H.E.M., Sanchez-Thorin, A.C., Lovejoy, T.E., Andrade, A., D'Angelo, S. and Dick, C. 2004a. Pervasive alteration of tree communities in undisturbed Amazonian forests. Nature 428: 171-175.

Law, B.E., Falge, E., Gu,. L., Baldocchi, D.D., Bakwin, P., Berbigier, P., Davis, K., Dolman, A.J., Falk, M., Fuentes, J.D., Goldstein, A., Granier, A., Grelle, A., Hollinger, D., Janssens, I.A., Jarvis, P., Jensen, N.O., Katul, G., Mahli, Y., Matteucci, G., Meyers, T., Monson, R., Munger, W., Oechel, W., Olson, R., Pilegaard, K., Paw U, K.T., Thorgeirsson, H., Valentini, R., Verma, S., Vesala, T., Wilson, K. and Wofsy, S. 2002. Environmental controls over carbon dioxide and water vapor exchange of terrestrial vegetation. Agricultural and Forest Meteorology 113: 97-120.

Le Quere, C., Orr, J.C., Monfray, P., Aumont, O. and Madec, G. 2000. Interannual variability of the oceanic sink of CO2 from 1979 through 1997. Global Biogeochemical Cycles 14: 1247-1265.

Le Quere, C., Raupach, M.R., Canadell, J.G., Marland, G., Bopp, L., Ciais, P., Conway, T.J., Doney, S.C., Feely, R.A., Foster, P., Friedlingstein, P., Gurney, K., Houghton, R.A., House, J.I., Huntingford, C., Levy, P.E., Lomas, M.R., Majkut, J., Metzl, N., Ometto, J.P., Peters. G.P., Prentice, I.C., Randerson, J.T., Running, S.W., Sarmiento, J.L., Schuster, U., Sitch, S., Takahashi, T., Viovy, N., van der Werf, G.R. and Woodward, F.I. 2009. Trends in the sources and sinks of carbon dioxide. Nature Geoscience 2: 831-836.

Le Quere, C., Rodenbeck, C., Buitenhuis, E.T., Conway, T.J., Langenfelds, R., Gomez, A., Labuschagne, C., Ramonet, M., Nakazawa, T., Metzl, N., Gillett, N. and Heimann, M. 2007. Saturation of the Southern Ocean CO2 sink due to recent climate change. Science 316: 1735-1738.

Leal, S., Eamus, D., Grabner, M., Wimmer, R. and Cherubini, P. 2008. Tree rings of Pinus nigra from the Vienna basin region (Austria) show evidence of change in climatic sensitivity in the late 20th century. Canadian Journal of Forest Research 38: 744-759.

Leavitt, S.W., Idso, S.B., Kimball, B.A., Burns, J.M., Sinha, A. and Stott, L. 2003. The effect of long-term atmospheric CO2 enrichment on the intrinsic water-use efficiency of sour orange trees. Chemosphere 50: 217-222.

Lee, K., Wanninkhof, R., Takahashi, T., Doney, S.C. and Feely, R.A. 1998. Low interannual variability in recent oceanic uptake of carbon dioxide. Nature 396: 155-159.

Lescop-Sinclair, K. and Payette, S. 1995. Recent advance of the arctic treeline along the eastern coast of Hudson Bay. Journal of Ecology 83: 929-936.

Lewis, S.L. 2006. Tropical forests and the changing earth system. Philosophical Transactions of the Royal Society B 361: 195-210.

Lewis, S.L., Lloyd, J., Sitch, S., Mitchard, E.T.A. and Laurance, W.F. 2009a. Changing ecology of tropical forests: Evidence and drivers. Annual Review of Ecology, Evolution, and Systematics 40: 529-549.

Lewis, S.L., Lopez-Gonzalez, G., Sonke, B., Affum-Baffoe, K., Baker, T.R., Ojo, L.O., Phillips, O.L., Reitsma, J.M., White, L., Comiskey, J.A., Djuikouo K., M.-N., Ewango, C.E.N., Feldpausch, T.R., Hamilton, A.C., Gloor, M., Hart, T., Hladik, A., Lloyd, J., Lovett, J.C., Makana, J.-R., Malhi, Y., Mbago, F.M., Ndangalasi, H.J., Peacock, J., Peh, K. S.-H., Sheil, D., Sunderland, T., Swaine, M.D., Taplin, J., Taylor, D., Thomas, S.C., Votere, R. and Woll, H. 2009b. Increasing carbon storage in intact African tropical forests. Nature 457: 1003-1006.

Lewis, S.L., Malhi, Y. and Phillips, O.L. 2004b. Fingerprinting the impacts of global change on tropical forests. Philosophical Transactions of the Royal Society of London Series B - Biological Sciences 359: 437-462.

Lewis, S.L., Phillips, O.L., Baker, T.R., Lloyd, J., Malhi, Y., Almeida, S., Higuchi, N., Laurance, W.F., Neill, D.A., Silva, J.N.M., Terborgh, J., Lezama, A.T., Vásquez Martinez, R., Brown, S., Chave, J., Kuebler, C., Núñez Vargas, P. and Vinceti, B. 2004a. Concerted changes in tropical forest structure and dynamics: evidence from 50 South American long-term plots. Philosophical Transactions of the Royal Society of London Series B - Biological Sciences 359: 421-436.

Lewis, S.L., Phillips, O.L., Sheil, D., Vinceti, B., Baker, T.R., Brown, S., Graham, A.W., Higuchi, N., Hilbert, D.W., Laurance, W.F., Lejoly, J., Malhi, Y., Monteagudo, A., Vargas, P.N., Sonke, B., Nur Supardi, M.N., Terborgh, J.W. and Vasquez, M.R. 2004c. Tropical forest tree mortality, recruitment and turnover rates: calculation, interpretation and comparison when census intervals vary. Journal of Ecology 92: 929-944.

Liao, J.D., Boutton, T.W. and Jastrow, J.D. 2006. Storage and dynamics of carbon and nitrogen in soil physical fractions following woody plant invasion of grassland. Soil Biology and Biochemistry 38: 3184-3196.

Lim, C., Kafatos, M. and Megonigal, P. 2004. Correlation between atmospheric CO2 concentration and vegetation greenness in North America: CO2 fertilization effect. Climate Research 28: 11-22.

Lin, D., Xia, J. and Wan, S. 2010. Climate warming and biomass accumulation of terrestrial plants: a meta-analysis. New Phytologist 188: 187-198.

Lin, G., Marino, B.D.V., Wei, Y., Adams, J., Tubiello, F. and Berry, J.A. 1998. An experimental and modeling study of responses in ecosystems carbon exchanges to increasing CO2 concentrations using a tropical rainforest mesocosm. Australian Journal of Plant Physiology 25: 547-556.

Liu, H., Li, X., Fischer, G. and Sun, L. 2004. Study on the impacts of climate change on China's agriculture. Climatic Change 65: 125-148.

Liu, S., Liu, R. and Liu, Y. 2010. Spatial and temporal variation of global LAI during 1981-20006. Journal of Geographical Sciences 20: 323-332.

Lioubimtseva, E., Cole, R., Adams, J.M. and Kapustin, G. 2005. Impacts of climate and land-cover changes in arid lands of Central Asia. Journal of Arid Environments 62: 285-308.

Lloyd, A.H. 2005. Ecological histories from Alaskan tree lines provide insight into future change. Ecology 86: 1687-1695.

Lloyd, J. 1999. The CO2 dependence of photosynthesis, plant growth responses to elevated CO2 concentrations and their interaction with soil nutrient status, II. Temperate and boreal forest productivity and the combined effects of increasing CO2 concentrations and increased nitrogen deposition at a global scale. Functional Ecology 13: 439-459.

Lloyd, J. and Farquhar, G.D. 1996. The CO2 dependence of photosynthesis, plant growth responses to elevated atmospheric CO2 concentrations and their interaction with soil nutrient status. 1. General principles and forest ecosystems. Functional Ecology 10: 4-32.

Lloyd, J. and Farquhar, G.D. 2008. Effects of rising temperatures and [CO2] on the physiology of tropical forest trees. Philosophical Transactions of the Royal Society B 363: 1811-1817.

Lopatin, E., Kolstrom, T. and Spiecker, H. 2006. Determination of forest growth trends in Komi Republic (northwestern Russia): combination of tree-ring analysis and remote sensing data. Boreal Environment Research 11: 341-353.

Macinnis-Ng, C., Zeppel, M., Williams, M. and Eamus, D. 2011. Applying a SPA model to examine the impact of climate change on GPP of open woodlands and the potential for woody thickening. Ecohydrology 4: 379-393.

Madritch, M.D., Greene, S.G. and Lindroth, R.L. 2009. Genetic mosaics of ecosystem functioning across aspen-dominated landscapes. Oecologia 160: 119-127.

Madsen, J., Jaspers, C., Tamstorf, M., Mortensen, C.E. and Riget, F. 2011. Long-term effects of grazing and global warming on the composition and carrying capacity of graminoid marshes for moulting geese in East Greenland. Ambio 40: 638-649.

Madsen, J., Tamstorf, M., Klaassen, M., Eide, N., Glahder, C., Riget, F., Nyegaard, H. and Cottaar, F. 2007. Effects of snow cover on the timing and success of reproduction in high-Arctic pink-footed geese Anser brachyrhynchus. Polar Biology 30: 1363-1372.

Malhi, Y., Baker, T.R., Phillips, O.L., Almeida, S., Alvarez, E., Arroyo, L., Chave, J., Czimczik, C.I., Di Fiore, A., Higuchi, N., Killeen, T.J., Laurance, S.G., Lauranch, W.F., Lewis, S.L., Montoya, L.M.M., Agudo, A., Neill, D.A., Vargas, P.N., Patino, S., Pitman, N.C.A., Quesadah, C.A., Salomao, R., Silva, J.N.M., Lezama, A.T., Martinez, R.V., Terborgh, J., Vinceti, B. and Lloyd, J. 2004. The above-ground coarse wood productivity of 104 Neotropical forest plots. Global Change Biology 10: 563-591.

Malhi Y. and Grace, J. 2000. Tropical forests and atmospheric carbon dioxide. Trends in Ecology and Evolution 15: 332-337.

Malhi, Y., Nobre, A.D., Grace, J., Kruijt, B., Pereira, M.G.P., Culf, A. And Scott, S. 1998. Carbon dioxide transfer over a Central Amazonian rain forest. Journal of Geophysical Research 103: 31,593-31,612.

Mao, J., Wang, B. and Yongjiu, D. 2009. Sensitivity of the carbon storage of potential vegetation to historical climate variability and CO2 in continental China. Advances in Atmospheric Sciences 26: 87-100.

Martinez-Vilalta, J., Lopez, B.C., Adell, N., Badiella, L. and Ninyerola, M. 2008. Twentieth century increase of Scots pine radial growth in NE Spain shows strong climate interactions. Global Change Biology 14: 2868-2881.

McBean, G., Alekseev, G., Chen, D., Forland, E., Fyfe, J., Groisman, P.Y., King, R., Melling, H., Vose, R. and Whitfield, P.H. 2005. Arctic climate: past and present. In: Arctic Climate Impact Assessment: Scientific Report. Cambridge University Press, Cambridge, UK, p. 21-60.

McCulley, R.L., Archer, S.R., Boutton, T.W., Hons, F.M. and Zuberer, D.A. 2004. Soil respiration and nutrient cycling in wooded communities developing in grassland. Ecology 85: 2804-2817.

McMahon, S.M., Parker, G.G. and Miller, D.R. 2010. Evidence for a recent increase in forest growth. Proceedings of the National Academy of Sciences USA: 10.1073/pnas.0912376107.

McMurtrie, R.E. and Wang, Y.-P. 1993. Mathematical models of the photosynthetic response of tree stands to rising CO2 concentrations and temperatures. Plant, Cell and Environment 16: 1-13.

McMurtrie, R.E., Comins, H.N., Kirschbaum, M.U.F. and Wang, Y.-P. 1992. Modifying existing forest growth models to take account of effects of elevated CO2. Australian Journal of Botany 40: 657-677.

Midgley, G.F., Rutherford, M. and Bond, W.J. 2001. The Heat is On: Impacts of Global Change on Plant Diversity in South Africa. National Botanical Institute, Cape Town, South Africa.

Midgley, J.J. and Seydack, A. 2006. No adverse signs of the effect of environmental change on tree biomass in the Knysna forest during the 1990s. South African Journal of Science 102: 96-97.

Morgan, J.A., Pataki, D.E., Korner, C., Clark, H., Del Grosso, S.J., Grunzweig, J.M., Knapp, A.K., Mosier, A.R., Newton, P.C.D., Niklaus, P.A., Nippert, J.B., Nowak, R.S., Parton, W.J., Polley, H.W. and Shaw, M.R. 2004. Water relations in grassland and desert ecosystems exposed to elevated atmospheric CO2. Oecologia 140: 11-25.

Mu, Q., Zhao, M., Running, S.W., Liu, M. and Tian, H. 2008. Contribution of increasing CO2 and climate change to the carbon cycle in China's ecosystems. Journal of Geophysical Research 113: 10.1029/2006JG000316.

Myers-Smith, I.H., Hik, D.S., Kennedy, C., Cooley, D., Johnstone, J.F., Kenney, A.J. and Krebs, C.J. 2011. Expansion of canopy-forming willows over the twentieth century on Herschel Island, Yukon Territory, Canada. Ambio 40: 610-623.

Myneni, R.B., Dong, J., Tucker, C.J., Kaufmann, R.K., Kauppi, P.E., Liski, J., Zhou, L., Alexeyev, V. and Hughes, M.K. 2001. A large carbon sink in the woody biomass of Northern forests. Proceedings of the National Academy of Sciences, USA: 98: 14,784-14,789.

Myneni, R.B., Keeling, C.D., Tucker, C.J., Asrar, G. and Nemani, R.R. 1997. Increased plant growth in the northern high latitudes from 1981 to 1991. Nature 386: 698-702.

Myneni, R.B., Tucker, C.J., Asrar, G. and Keeling, C.D. 1998. Interannual variations in satellite-sensed vegetation index data from 1981 to 1991. Journal of Geophysical Research 103: 6145-6160.

Nechaeva, N.T. (Ed.). 1984. Resursy biosphery pustin Srednei Azii i Kazakhstana. Nauka, Moscow, Russia.

Nelson, B.W. 2005. Pervasive alteration of tree communities in undisturbed Amazonian forests. Biotropica 37: 158-159.

Nemani, R.R., Keeling, C.D., Hashimoto, H., Jolly, W.M., Piper, S.C., Tucker, C.J., Myneni, R.B. and Running. S.W. 2003. Climate-driven increases in global terrestrial net primary production from 1982 to 1999. Science 300: 1560-1563.

Nicholson, S. 2005. On the question of the 'recovery" of the rains in the West African Sahel. Journal of Arid Environments 63: 615-641.

Nicholson, S.E., Tucker, C.J. and Ba, M.B. 1998. Desertification, drought, and surface vegetation: An example from the West African Sahel. Bulletin of the American Meteorological Society 79: 815-829.

Nilsen, S., Hovland, K., Dons, C. and Sletten, S.P. 1983. Effect of CO2 enrichment on photosynthesis, growth and yield of tomato. Scientia Horticulturae 20: 1-14.

Nock, C.A., Baker, P.J., Wanek, W., Albrecht, L., Grabner, M., Bunyavejchewin, S. and Hietz, P. 2011. Long-term increases in intrinsic water-use efficiency do not lead to increased stem growth in a tropical monsoon forest in western Thailand. Global Change Biology 17: 1049-1063.

Norris, K., Asase, A., Collen, B., Gockowksi, J., Mason, J., Phalan, B. and Wade, A. 2010. Biodiversity in a forest-agriculture mosaic - The changing face of West African rainforests. Biological Conservation 143: 2341-2350.

Oechel, W.C., Hastings, S.J., Vourlitis, G., Jenkins, M., Riechers, G. and Grulke, N. 1993. Recent change of Arctic tundra ecosystems from a net carbon dioxide sink to a source. Nature 361: 520-523.

Oechel, W.C., Vourlitis, G.L., Hastings, S.J. and Bochkarev, S.A. 1995. Change in Arctic CO2 flux over two decades: Effects of climate change at Barrow, Alaska. Ecological Applications 5: 846-855.

Oechel, W.C., Vourlitis, G.L., Hastings, S.J., Zulueta, R.C., Hinzman, L. and Kane, D. 2000a. Acclimation of ecosystem CO2 exchange in the Alaskan Arctic in response to decadal climate warming. Nature 406: 978-981

Oechel, W.C., Vourlitis, G.L., Verfaillie, J., Crawford, T., Brooks, S., Dumas, E., Hope, A., Stow, D., Boynton, B., Nosov, V. and Zulueta, R. 2000b. A scaling approach for quantifying the net CO2 flux of the Kuparuk River Basin, Alaska. Global Change Biology 6: 160-173.

Ollinger, S.V., Aber, S.D., Reich, P.B. and Freuder, R.J. 2002. Interactive effects of nitrogen deposition, tropospheric ozone, elevated CO2 and land use history on the carbon dynamics of northern hardwood forests. Global Change Biology 8: 545-562.

Olofsson, J., Oksanen, L., Callaghan, T., Hulme, E.P., Oksanen, T. and Suominen, O. 2009. Herbivores inhibit climate-driven shrub expansion on the tundra. Global Change Biology 15: 2681-2693.

Olson, J.S., Watts, J. and Allison, L. 1983. Carbon in Live Vegetation of Major World Ecosystems, Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA.

Olsson, L., Eklundh, L. and Ardo, J. 2005. A recent greening of the Sahel - trends, patterns and potential causes. Journal of Arid Environments 63: 556-566.

Olthof, I. and Pouliot, D. 2010. Treeline vegetation composition and change in Canada's western Subarctic from AVHRR and canopy reflectance modeling. Remote Sensing of the Environment 114: 805-815.

Osborne, C.P., Mitchell, P.L., Sheehy, J.E. and Woodward, F.I. 2000. Modellng the recent historical impacts of atmospheric CO2 and climate change on Mediterranean vegetation. Global Change Biology 6: 445-458.

Pan, Y., Birdsey, R., Hom, J. and McCullough, K. 2009. Separating effects of changes in atmospheric composition, climate and land-use on carbon sequestration of U.S. Mid-Atlantic temperate forests. Forest Ecology and Management 259: 151-164.

Parker, M.L. 1987. Recent abnormal increase in tree-ring widths: A possible effect of elevated atmospheric carbon dioxide. In: Jacoby Jr., G.C. and Hornbeck, J.W. (Eds.), Proceedings of the International Symposium on Ecological Aspects of Tree-Ring Analysis. U.S. Department of Energy, Washington, DC, pp. 511-521.

Pauli, H., Gottfried, M. and Grabherr, G. 2001. High summits of the Alps in a changing climate. In: Walther, G.-R., Burga, C.A. and Edwards, P.J., Eds. Fingerprints of Climate Change. Kluwer, New York, New York, USA., p. 139-149.

Pauli, H., Gottfried, M., Reiter, K., Klettner, C. and Grabherr, G. 2007. Signals of range expansions and contractions of vascular plants in the high Alps: Observations (1994-2004) at the GLORIA master site Schrankogel, Tyrol, Austria. Global Change Biology 13: 147-156.

Pedicino, L., Leavitt, S.W., Betancourt, J.L. and Van De Water, P.K. 2002. Historical variations in δ¹³C leaf of herbarium specimens on the Southwestern U.S. Western North American Naturalist 62: 348-359.

Peng, S., Chen, A., Xu, L., Cao, C., Fang, J., Myneni, R.B., Pinzon, J.E., Tucker, C.J. and Piao, S. 2011. Recent change of vegetation growth trend in China. Environmental Research Letters 6: 10.1088/1748-9326/6/4/044027.

Peng, S., Piao, S., Ciais, P., Fang, J. and Wang, X. 2010. Change in winter snow depth and its impacts on vegetation in China. Global Change Biology 16: 3004-3013.

Penulas, J. and Azcon-Bieto, J. 1992. Changes in leaf δ¹³C of herbarium plant species during the last 3 centuries of CO2 increase. Plant, Cell and Environment 15: 485-489.

Penuelas, J., Hunt, J.M., Ogaya, R. and Jump, A.S. 2008. Twentieth century changes of tree-ring δ¹³C at the southern range-edge of Fagus sylvatica: increasing water-use efficiency does not avoid the growth decline induced by warming at low altitudes. Global Change Biology 14: 1076-1088.

Peterson, A.G. and Neofotis, P.G. 2004. A hierarchial analysis of the interactive effects of elevated CO2 and water availability on the nitrogen and transpiration productivities of velvet mesquite seedlings. Oecologia 141: 629-640.

Peterson, D.L. 1994. Recent changes in the growth and establishment of subalpine conifers in western North America. In: Beniston, M. (Ed.). Mountain Environments in Changing Climates. Routeledge, London, United Kingdom, pp. 234-243.

Peylin, P., Bousquet, P., Le Quere, C., Sitch, S., Friedlingstein, P., McKinley, G., Gruber, N., Rayner, P. and Philippe Ciais. 2005. Multiple constraints on regional CO2 flux variations over land and oceans. Global Biogeochemical Cycles 19: 10.1029/2003GB002214.

Phillips, O.L., Aragao, L., Lewis, S.L., Fisher, J.B., Lloyd, J., Lopez-Gonzalez, G., Malhi, Y., Monteagudo, A., Peacock, J., Quesada, C.A., van der Heijden, G., Almeida, S., Amaral, I., Arroyo, L., Aymard, G., Baker, T.R., Banki, O., Blanc, L., Bonal, D., Brando, P., Chave, J., de Oliveira, A.C.A., Cardozo, N.D., Czimczik, C.I, Feldpausch, T.R., Freitas, M.A., Gloor, E., Higuchi, N., Jimenez, E., Lloyd, G., Meir, P., Mendoza, C., Morel, A., Neill, D.A., Nepstad, D., Patino, S., Penuela, M.C., Prieto, A., Ramirez, F., Schwarz, M., Silva, J., Silveira, M., Thomas, A.S., ter Steege, H., Stropp, J., Vasquez, R., Zelazowski, P., Davila, E.A., Andelman, S., Andrade, A., Chao, K.-J., Erwin, T., Di Fiore, A., Honorio C., E., Keeling, H., Killeen, T.J., Laurance, W.F., Cruz, A.P., Pitman, N.C.A., Vargas, P.N., Ramirez-Angulo, H., Rudas, A., Salamao, R., Silva, N., Terborgh, J. and Torres-Lezama, A. 2009. Drought sensitivity of the Amazon rainforest. Science 323: 1344-1347.

Phillips, O.L., Baker, T.R., Arroyo, L., Higuchi, N., Killeen, T.J., Laurance, W.F., Lewis, S.L., Lloyd, J., Malhi, Y., Monteagudo, A., Neill, D.A., Núñez Vargas, P., Silva, J.N.M., Terborgh, J., Vásquez Martínez, R., Alexiades, M., Almeida, S., Brown, S., Chave, J., Comiskey, J.A., Czimczik, C.I., Di Fiore, A., Erwin, T., Kuebler, C., Laurance, S.G., Nascimento, H.E.M., Olivier, J., Palacios, W., Patiño, S., Pitman, N.C.A., Quesada, C.A., Saldias, M., Torres Lezama, A., B. and Vinceti, B. 2004. Pattern and process in Amazon tree turnover: 1976-2001. Philosophical Transactions of the Royal Society of London Series B - Biological Sciences 359: 381-407.

Phillips, O.L. and Gentry, A.H. 1994. Increasing turnover through time in tropical forests. Science 263: 954-958.

Phillips, O.L., Lewis, S.L., Baker, T.R., Chao, K.-J. and Higuchi, N. 2008. The changing Amazon forest. Philosophical Transactions of the Royal Society B 363: 1819-1827.

Phillips, O.L., Malhi, Y., Higuchi, N., Laurance, W.F., Nunez, P.V., Vasquez, R.M., Laurance, S.G., Ferreira, L.V., Stern, M., Brown, S. and Grace, J. 1998. Changes in the carbon balance of tropical forests: Evidence from long-term plots. Science 282: 439-442.

Phillips, O.L., Malhi, Y., Vinceti, B., Baker, T., Lewis, S.L., Higuchi, N., Laurance, W.F., Vargas, P.N., Martinez, R.V., Laurance, S., Ferreira, L.V., Stern, M., Brown, S. and Grace, J. 2002. Changes in growth of tropical forests: Evaluating potential biases. Ecological Applications 12: 576-587.

Piao, S., Ciais, P., Friedlingstein, P., de Noblet-Ducoudre, N., Cadule, P., Viovy, N. and Wang, T. 2009. Spatiotemporal patterns of terrestrial carbon cycle during the 20th century. Global Biogeochemical Cycles 23: 10.1029/2008GB003339.

Piao, S., Ciais, P., Lomas, M., Beer, C., Liu, H., Fang, J., Friedlingstein, P., Huang, Y., Muraoka, H., Son, Y. and Woodward, I. 2011. Contribution of climate change and rising CO2 to terrestrial carbon balance in East Asia: A multi-model analysis. Global and Planetary Change 75: 133-142.

Piao, S., Fang, J. and He, J. 2006d. Variations in vegetation net primary production in the Qinghai-Xizang Plateau, China, from 1982-1999. Climatic Change 74: 253-267.

Piao, S., Fang, J.Y., Liu, H.Y. and Zhu, B. 2005b. NDVI-indicated decline in desertification in China in the past two decades. Geophysical Research Letters 32: 10.1029/2004GL021764.

Piao, S., Fang, J.Y., Zhou, L.M., Ciais, P. and Zhu, B. 2006b. Variations in satellite-derived phenology in China's temperate vegetation. Global Change Biology 12: 672-685.

Piao, S.L., Fang, J.Y., Zhou, L.M., Guo, Q.H., Henderson, M., Ji, W., Li, Y. and Tao, S. 2003. Interannual variations of monthly seasonal normalized difference vegetation index (NDVI) in China from 1982 to 1999. Journal of Geophysical Research 108: 4401-4413.

Piao, S., Fang, J.Y., Zhou, L., Tan, K. and Tao, S. 2007. Changes in biomass carbon stocks in China's grasslands between 1982 and 1999. Global Biogeochemical Cycles 21: 10.1029/2005GB002634.

Piao, S.L., Fang, J.Y., Zhou, L.M., Zhu, B., Tan, K. and Tao, S. 2005a. Changes in vegetation net primary productivity from 1982 to 1999 in China. Global Biogeochemical Cycles 19: 10.1029/2004GB002274.

Piao, S., Friedlingstein, P., Ciais, P., Zhou, L. and Chen, A. 2006a. Effect of climate and CO2 changes on the greening of the Northern Hemisphere over the past two decades. Geophysical Research Letters 33: 10.1029/2006GL028205.

Piao, S., Mohammat, A., Fang, J.Y., Cai, Q. and Feng, J.M. 2006c. NDVI-based increase in growth of temperate grasslands and its responses to climate changes in China. Global Environmental Change 16: 340-348.

Pilegaard, K., Ibrom, A., Courtney, M.S., Hummelshoj, P. and Jensen, N.O. 2011. Increasing net CO2 uptake by a Danish beech forest during the period from 1996 to 2009. Agricultural and Forest Meteorology 151: 934-946.

Pimm, S.L. and Sugden, A.M. 1994. Tropical diversity and global change. Science 263: 933-934.

Polley, H.W., Johnson, H.B. and Mayeux, H.S. 1994. Increasing CO2: comparative responses of the C4 grass Schizachyrium and grassland invader Prosopis. Ecology 75: 976-988.

Polley, H.W., Johnson, H.B. and Tischler, C.R. 2003. Woody invasion of grasslands: evidence that CO2 enrichment indirectly promotes establishment of Prosopis glandulosa. Plant Ecology 164: 85-94.

Polley, H.W., Tischler, C.R., Johnson, H.B. and Pennington, R.E. 1999. Growth, water relations, and survival of drought-exposed seedlings from six maternal families of honey mesquite (Prosopis glandulosa): responses to CO2 enrichment. Tree Physiology 19: 359-366.

Potter, C., Kumar, V., Klooster, S. and Nemani, R. 2007. Recent history of trends in vegetation greenness and large-scale ecosystem disturbances in Eurasia. Tellus B - Chemical and Physical Meteorology 59: 260-272.

Pouliot, D., Latifovic, R. and Olthof, I. 2009. Trends in vegetation NDVI from 1 km AVHRR data over Canada for the period 1985-2006. International Journal of Remote Sensing 30: 149-168.

Prentice, I.C., Farquhar, G.D., Fasham, M.J.R., Goulden, M.L., Heimann, M., Jaramillo, V.J., Kheshgi, H.S., Le Quere, C., Scholes, R.J., Wallace, D.W.R., Archer, D., Ashmore, M.R., Aumont, O., Baker, D., Battle, M., Bender, M., Bopp, L.P., Bousquet, P., Caldeira, K., Ciais, P., Cox, P.M., Cramer, W., Dentener, F., Enting, I.G., Field, C.B., Friedlingstein, P., Holland, E.A., Houghton, R.A., House, J.I., Ishida, A., Jain, A.K., Janssens, I.A., Joos, F., Kaminski, T., Keeling, C.D., Keeling, R.F., Kicklighter, D.W., Hohfeld, K.E., Knorr, W., Law, R., Lenton, T., Lindsay, K., Maier-Reimer, E., Manning, A.C., Matear, R.J., McGuire, A.D., Melillo, J.M., Meyer, R., Mund, M., Orr, J.C., Piper, S., Plattner, K., Rayner, P.J., Sitch, S., Slater, R., Taguchi, S., Tans, P.P., Tian, H.Q., Weirig, M.F., Whorf, T. and Yool, A. 2001. The carbon cycle and atmospheric carbon dioxide. Chapter 3 of the Third Assessment Report of the Intergovernmental Panel on Climate Change. Climate Change 2001: The Scientific Basis. Cambridge University Press, Cambridge, UK, pp. 183-238.

Prince, S.D., Brown De Colstoun, E. and Kravitz, L.L. 1998. Evidence from rain-use efficiencies does not indicate extensive Sahelian desertification. Global Change Biology 4: 359-374.

Prince, S.D. and Goward, S.N. 1995. Global primary production: a remote sensing approach. Journal of Biogeography 22: 815-835.

Qian, Z.A., Song, M.H. and Li, W.Y. 2002. Analysis on distributive variation and forecast of sand-dust storms in recent 50 years in north China. Journal of Desert Research 22: 106-111.

Ramirez, J. and Jarvis, A. 2008. High Resolution Statistically Downscaled Future Climate Surfaces. International Centre for Tropical Agriculture, Cali, Colombia.

Raupach, M.R., Canadell, J.G. and Le Quere, C. 2008. Anthropogenic and biophysical contributions to increasing atmospheric CO2 growth rate and airborne fraction. Biogeosciences 5: 1601-1613.

Raymond, P.A. and Cole, J.J. 2003. Increase in the export of alkalinity from North America's largest river. Science 301: 88-91.

Rayner, P.J. and Law, R.M. 1999. The interannual variability of the global carbon cycle. Tellus Series B 51: 210-212.

Reichenau, T.G. and Esser, G. 2003. Is interannual fluctuation of atmospheric CO2 dominated by combined effects of ENSO and volcanic aerosols? Global Biogeochemical Cycles 17: 10.1029/2002GB002025.

Ren, W., Tian, H., Tao, B., Chappelka, A., Sun, G., Lu, C., Liu, M., Chen, G. and Xu, X. 2011. Impacts of topospheric ozone and climate change on net primary productivity and net carbon exchange of China's forest ecosystems. Global Ecology and Biogeography 20: 391-406.

Reynolds, J.F., Virginia, R.A., Kemp, P.R., de Soyza, A.G. and Tremmel, D.C. 1999. Impact of drought on desert shrubs: effects of seasonality and degree of resource island development. Ecological Monographs 69: 69-106.

Reynolds, M.K., Walker, D.A. and Maier, H.A. 2006. NDVI patterns and phytomass distribution in the circumpolar Arctic. Remote Sensing of Environment 102: 271-281.

Riebsame, W.E., Meyer, W.B. and Turner, B.L. 1994. Modeling land-use and cover as part of global environmental-change. Climatic Change 28: 45-64.

Roderick, M.L., Farquhar, G.D., Berry, S.L. and Noble, I.R. 2001. On the direct effect of clouds and atmospheric particles on the productivity and structure of vegetation. Oecologia 129: 21-30.

Ropars, P. and Boudreau, S. 2012. Shrub expansion at the forest-tundra ecotone: spatial heterogeneity linked to local topography. Environmental Research Letters 7: 10.1088/1748-9326/7/1/015501.

Ruelland, D., Levavasseur, F. and Tribotte, A. 2010. Patterns and dynamics of land-cover changes since the 1960s over three experimental areas in Mali. International Journal of Applied Earth Observation and Geoinformation 12: S11-S17.

Rundqvist, S., Hedenas, H., Sandstrom, A., Emanuelsson, U., Eriksson, H., Jonasson, C. and Callaghan, T.V. 2011. Tree and shrub expansion over the past 34 years at the tree-line near Abisko, Sweden. Ambio 40: 683-692.

Running, S.W. and Hunt, E.R. 1993. Generalization of a forest ecosystem process model for other biomes, Biome-BGC, and an application for global-scale models. In Ehleringer, J.R. and Field, C.B., Eds. Scaling Physiological Processes: Leaf to Globe. Academic Press, San Diego, California, USA, pp. 141-158.

Runnstrom, M. 2000. Is northern China winning the battle against desertification? Satellite remote sensing as a tool to study biomass trends on the Ordos plateau in semiarid China. Ambio 29: 468-476.

Runnstrom, M. 2003. Rangeland development of the Mu Us Sandy Land in semiarid China: an analysis using Landsat and NOAA remote sensing data. Land Degradation & Development Studies 14: 189-202.

Russell-Smith, J., Stanton, P.J., Edwards, A.C. and Whitehead, P.J. 2004. Rain forest invasion of eucalypt-dominated woodland savanna, Iron Range, north-eastern Australia: II. Rates of landscape change. Journal of Biogeography 31: 1305-1316.

Salzer, M., Hughes, M., Bunn, A., Kipfmueller, K. 2009. Recent unprecedented tree-ring growth in bristlecone pine at the highest elevations and possible causes. Proceedings of the National Academies of Science USA 106: 20,346-20,353.

Sandberg, G. 1963. Vaxtvarlden I Abisko nationalpark. In: Curry-Lindahl, K. (Ed.). Natur i Lappland, II. Bokforlaget Svensk Natur, Uppsala, Sweden.

Sankaran, M., Ratnam, J. and Hanan, N. 2008. Woody cover in African savannas: the role of resources, fire and herbivory. Global Ecology and Biogeography 17: 236-245.

Saurer, M., Siegwolf, R.T.W. and Schweingruber, F.H. 2004. Carbon isotope discrimination indicates improving water-use efficiency of trees in northern Eurasia over the last 100 years. Global Change Biology 10: 2109-2120.

Saxe, H., Ellsworth, D.S. and Heath, J. 1998. Tree and forest functioning in an enriched CO2 atmosphere. New Phytologist 139: 395-436.

Schade, J.D. and Hobbie, S.E. 2005. Spatial and temporal variation in islands of fertility in the Sonoran Desert. Biogeochemistry 73: 541-553.

Scheiter, S. and Higgins, S.I. 2009. Impacts of climate change on the vegetation of Africa: an adaptive dynamic vegetation modeling approach. Global Change Biology 15: 2224-2246.

Schimel, D.S., House, J.I., Hibbard, J.I., Bousquet, P., Ciais, P., Peylin, P., Braswell, B.H., Apps, M.J., Baker, D., Bondeau, A., Canadell, J., Churkina, G., Cramer, W., Denning, A.S., Field, C.B., Friedlingstein, P., Goodale, C., Heimann, M., Houghton, R.A., Melillo, J.M., Moore III, B., Murdiyarso, D., Noble, I., Pacala, S.W., Prentice, I.C., Raupach, M.R., Rayner, P.J., Scholes, R.J., Steffen, W.L. and Wirth, C. 2001. Recent patterns and mechanisms of carbon exchange by terrestrial ecosystems. Nature 414: 169-172.

Scholze, M., Knorr, W., Arnell, N.W. and Prentice, I.C. 2006. A climate-change risk analysis for world ecosystems. Proceedings of the National Academy of Sciences USA 103: 13,116-13,120.

Schweitzer, J.A., Madritch, M.D., Bailey, J.K., LeRoy, C.J., Fischer, D.G., Rehill, B.J., Lindroth, R.L., Hagerman, A.E., Wooley, S.C., Hart, S.C. and Whitham, T.G. 2008. The genetic basis of condensed tannins and their role in nutrient regulation in a Populus model system. Ecosystems 11: 1005-1020.

Scott, R.L., Huxman, T.E., Cable, W.L. and Emmerich, W.E. 2006. Partitioning of evapotranspiration and its relation to carbon dioxide exchange in a Chihuahuan Desert shrubland. Hydrological Processes 20: 3227-3243.

Seaquist, J.W., Olsson, L., Ardo, J. and Eklundh, L. 2006. Broad-scale increase in NPP quantified for the African Sahel, 1982-1999. International Journal of Remote Sensing 27: 5115-5122.

Seeman, J.R., Berry, J.A. and Downton, J.S. 1984. Photosynthetic response and adaptation to high temperature in desert plants. A comparison of gas exchange and fluorescence methods for studies of thermal tolerance. Plant Physiology 75: 364-368.

Serreze, M.C. 2010. Understanding recent climate change. Conservation Biology 24: 10-17.

Seto, K.C., Kaufman, R.K. and Woodcock, C.E. 2000. Landsat reveals China's farmland reserves, but they're vanishing fast. Nature 406: 121.

Sheil, D. 1995. Evaluating turnover in tropical forests. Science 268: 894.

Sheil, D. and May, R.M. 1996. Mortality and recruitment rate evaluations in heterogeneous tropical forests. Journal of Ecology 84: 91-100.

Shen, W., Wu,. J., Grimm, N.B. and Hope, D. 2008. Effects of urbanization-induced environmental changes on ecosystem functioning in the Phoenix metropolitan region, USA. Ecosystems 11: 138-155.

Silapaswan, C.S., Verbyla, D.L. and McGuire, A.D. 2001. Land cover change on the Seward Peninsula: the use of remote sensing to evaluate the potential influences of climate warming on historical vegetation dynamics. Canadian Journal of Remote Sensing 27: 542-554.

Silva, L.C.R., Anand, M., Oliveira, J.M. and Pillar, V.D. 2009. Past century changes in Araucaria angustifolia (Bertol.) Kuntze water use efficiency and growth in forest and grassland ecosystems of southern Brazil: implications for forest expansion. Global Change Biology 15: 2387-2396.

Singh, R.P., Rovshan, S., Goroshi, S.K., Panigrahy, S. and Parihar, J.S. 2011. Spatial and temporal variability of net primary productivity (NPP) over terrestrial biosphere of India using NOAA-AVHRR based GloPEM model. Journal of the Indian Society of Remote Sensing 39: 345-353.

Sitch, S., Huntingford, C., Gedney, N., Levy, P.E., Lomas, M., Piao, S.L., Betts, R., Ciais, P., Cox, P., Friedlingstein, P., Jones, C.D., Prentice, I.C. and Woodward, F.I. 2008. Evaluation of the terrestrial carbon cycle, future plant geography and climate-carbon cycle feedbacks using five Dynamic Global Vegetation Models (DGVMs). Global Change Biology 14: 2015-2039.

Sitch, S., Smith, B., Prentice, I.C., Arneth, A., Bondeau, A., Cramer, W., Kaplan, J.O., Levis, S., Lucht, W., Sykes, M.T., Thonicke, K. and Venevsky, S. 2003. Evaluation of ecosystem dynamics, plant geography and terrestrial carbon cycling in the LPJ dynamic global vegetation model. Global Change Biology 9: 161-185.

Skole, D. and Tucker, C.J. 1993. Tropical deforestation and habitat fragmentation in the Amazon: satellite data from 1978 to 1988. Science 260: 1905-1909.

Slayback, D.A., Pinzon, J.E., Los, S.O. and Tucker, C.J. 2003. Northern Hemisphere photosynthetic trends 1982-99. Global Change Biology 9: 1-15.

Smith, S.D., Huxman, T.E., Zitzer, S.F., Charlet, T.N., Housman, D.C., Coleman, J.S., Fenstermaker, L.K., Seemann, J.R. and Nowak, R.S. 2000. Elevated CO2 increases productivity and invasive species success in an arid ecosystem. Nature 408: 79-82.

Soule, P.T. and Knapp, P.A. 2006. Radial growth rate increases in naturally occurring ponderosa pine trees: a late-20th century CO2 fertilization effect? New Phytologist 171: 379-390.

Springsteen, A., Loya, W., Liebig, M. and Hendrickson, J. 2010. Soil carbon and nitrogen across a chronosequence of woody plant expansion in North Dakota. Plant and Soil 328: 369-379.

Steininger, M.K., Tucker, C.J., Ersts, P., Killen, T.J., Villegas, Z. and Hecht, S.B. 2001. Clearance and fragmentation of tropical deciduous forest in the Tierras Bajas, Santa Cruz, Bolivia. Conservation Biology 15: 856-866.

Stephens, B.B., Gurney, K.R., Tans, P.P., Sweeney, C., Peters, W., Bruhwiler, L., Ciais, P., Ramonet, M., Bousquet, P., Nakazawa, T., Aoki, S., Machida, T., Inoue, G., Vinnichenko, N., Lloyd, J., Jordan, A., Heimann, M., Shibistova, O., Langenfelds, R.L., Steele, L.P., Francey, R.J. and Denning, A.S. 2007. Weak northern and strong tropical land carbon uptake from vertical profiles of atmospheric CO2. Science 316: 1732-1735.

Stone, A. 1980. Avery Peak on Bigelow Mountain, Maine: The Flora and Vegetation Ecology of a Subalpine Heathland. M.S. Thesis. University of Vermont, Burlington, Vermont, USA.

Stow, D.A., Hope, A., McGuire, D., Verbyla, D., Gamon, J., Huemmrich, F., Houston, S., Racine, C., Sturm, M., Tape, K., Hinzman, L., Yoshikawa, K., Tweedie, C., Noyle, B., Silapaswan, C., Douglas, D., Griffith, B., Jia, G., Epstein, H., Walker, D., Daeschner, S., Petersen, A., Zhou, L. and Myneni, R. 2004. Remote sensing of vegetation and land-cover change in Arctic tundra ecosystems. Remote Sensing of Environment 89: 281-308.

Stuhlfauth, T. and Fock, H.P. 1990. Effect of whole season CO2 enrichment on the cultivation of a medicinal plant, Digitalis lanata. Journal of Agronomy and Crop Science 164: 168-173.

Sturm, M., Racine, C. and Tape, K. 2001. Climate change - increasing shrub abundance in the Arctic. Nature 411: 546-547.

Su, H.-X. and Sang, W.-G. 2004. Simulations and analysis of net primary productivity in Quercus liaotungensis forest of Donglingshan Mountain Range in response to different climate change scenarios. Acta Botanica Sinica 46: 1281-1291.

Su, H.-X., Sang, W.-G., Wang, Y. and Ma, K. 2007. Simulating Picea schrenkiana forest productivity under climatic changes and atmospheric CO2 increase in Tianshan Mountains, Xinjiang Autonomous Region, China. Forest Ecology and Management 246: 273-284.

Tans, P. 2009. An accounting of the observed increase in oceanic and atmospheric CO2 and an outlook for the future. Oceanography 22: 26-35.

Tans, P.P., Fung, I.Y. and Takahashi, T. 1990. Observational constraints on the global atmospheric CO2 budget. Science 247: 1431-1438.

Tape, K., Sturm, M. and Racine, C. 2006. The evidence for shrub expansion in Northern Alaska and the Pan-Arctic. Global Change Biology 12: 686-702.

Theurillat, J.-P. and Guisan, A. 2001. Potential impacts of climate change on vegetation in the European Alps: A review. Climatic Change 50: 77-109.

Thornthwaite, C.W. 1948. An approach toward a rational classification of climate. Geographical Review 38: 55-94.

Thornton, P.E., Law, B.E., Gholz, H.L., Clark, K.L., Falge, E., Ellsworth, D.S., Goldstein, A.H., Monson, R.K., Hollinger, D., Falk, M., Chen, J. and Sparks, J.P. 2002. Modeling and measuring the effects of disturbance history and climate on carbon and water budgets in evergreen needleleaf forests. Agricultural and Forest Meteorology 113: 185-222.

Thorpe, N., Eyegetok, S., Hakongak, N. and Elders, K. 2002. Nowadays it is not the same: Inuit Quajimajatuqangit, climate caribou in the Kitikmeot region of Nunavut, Canada. In: Krupnik, I. and Jolly, D. (Eds.), The Earth is Faster Now: Indigenous Observations of Arctic Environmental Change, Arctic Research Consortium of the United States/ Smithsonian Institution, Fairbanks/Washington, DC., pp. 198-239.

Tian, H., Chen, G.S., Liu, M.L., Zhang, C., Sun, G., Lu, C.Q., Xu, X.F., Ren, W., Pan, S.F. and Chappelka, A. 2010a. Model estimates of net primary productivity, evapotranspiration, and water use efficiency in the terrestrial ecosystems of the southern United States during 1895-2007. Forest Ecology and Management 259: 1311-1327.

Tian, H.Q., Liu, M.L., Zhang, C., Ren, W., Chen, G.S., Xu, X.F. and Lu, C.Q. 2005. DLEM -- the Dynamic Land Ecosystem Model, user manual. Ecosystem Science and Regional Analysis Laboratory, Auburn University, Auburn, Alabama, USA.

Tian, H., Xu, S., Liu, M., Ren, W., Zhang, C., Chen, G. and Lu, C.Q. 2010b. Spatial and temporal patterns of CH4 and N2O fluxes in terrestrial ecosystems of North America during 1979-2008: application of a global biogeochemistry model. Biogeochemistry 7: 1-22.

Tommervik, H., Johansen, B., Riseth, J.A., Karlsen, S.R., Solberg, B. and Hogda, K.A. 2009. Above ground biomass changes in the mountain birch forests and mountain heaths of Finnmarksvidda, northern Norway, in the period 1957-2006. Forest Ecology and Management 257: 244-257.

Tommervik, H., Johansen, B., Tombre, I., Thannheiser, D., Hogda, K. and Gaare, E. 2004. Vegetation changes in the Nordic mountain birch forest: The influence of grazing and climate change. Arctic, Antarctic, and Alpine Research 36: 323-332.

Tremblay, B. 2010. Augmentation recente du couvert ligneux erige dans les environs de Kangiqsualujjuaq (Nunavik, Quebec). Master Thesis, Universite du Quebec a Trois-Rivieres, Quebec, Canada.

Tucker, C.J., Pinzon, J.E., Brown, M.E., Slayback, D.A., Pak, E.W., Mahoney, R., Vermote, E.F. and El Saleous, N. 2005. An extended AVHRR 8-km NDVI dataset compatible with MODIS and SPOT vegetation NDVI data. International Journal of Remote Sensing 26: 4485-4498.

Turnbull, M.H., Murthy, R. and Griffin, K.L. 2002. The relative impacts of daytime and nighttime warming on photosynthetic capacity in Populus deltoides. Plant, Cell and Environment 25: 1729-1737.

Van Auken, O.W. 2000. Shrub invasions of North American semiarid grasslands. Annual Review of Ecological Systems 31: 197-215.

Van Auken, O.W. and Bush, J.K. 1990. Importance of grass density and time of planting on Prosopis glandulosa seedling growth. Southwest Naturalist 35: 411-415.

Van Bogaert, R., Haneca, K., Hoogesteger, J., Jonasson, C., De Dapper, M. and Callaghan, T.V. 2011. A century of tree line changes in sub-Arctic Sweden show local and regional variability and only a minor role of 20th century climate warming. Journal of Biogeography 38: 907-921.

Van de Water, P.K., Leavitt, S.W. and Betancourt, J.L. 1994. Trends in stomatal density and ¹³C/¹²C ratios of Pinus flexilis needles during last glacial-interglacial cycle. Science 264: 239-243.

Verbyla, D. 2008. The greening and browning of Alaska based on 1982-2003 satellite data. Global Ecology and Biogeography 17: 547-555.

Veres, J.S. and Williams III, G.J. 1984. Time course of photosynthetic temperature acclimation in Carex eleocharis Bailey. Plant, Cell and Environment 7: 545-547.

Vicente-Serrano, S.M., Lasanta, T. and Romo, A. 2004. Analysis of spatial and temporal evolution of vegetation cover in the Spanish central Pyrenees: Role of human management. Environmental Management 34: 802-818.

Villarreal, S., Hollister, R.D., Johnson, D.R., Lara, M.J., Webber, P.J. and Tweedie, C.E. 2012. Tundra vegetation change near Barrow, Alaska (1972-2010). Environmental Research Letters 7: 10.1088/1748-9326/7/1/015508.

Vincke, C., Diedhiou, I. and Grouzis, M. 2010. Long term dynamics and structure of woody vegetation in the Ferlo (Senegal). Journal of Arid Environments 74: 268-276.

Voelker, S.L., Muzika, R.-M., Guyette, R.P. and Stambaugh, M.C. 2006. Historical CO2 growth enhancement declines with age in Quercus and Pinus. Ecological Monographs 76: 549-564.

Voznesensky, V.L. 1977. Fotosyntez pustinnih rastenij. Nauka, Leningrad, Russia.

Walker, M.D., Wahren, C.H., Hollister, R.D., Henry, G.H.R., Ahlquist, L.E., Alatalo, J.M., Bret-Harte, M.S., Calef, M.P., Callaghan, T.V., Carroll, A.B., Epstein, H.E., Jonsdottir, I.S., Klein, J.A., Magnusson, B., Molaug, U., Oberbauer, S.F., Rewan, S.P., Robinson, C.H., Shaver, G.R., suding, K.N., Thompson, C.C., Tolvanen, A., Totland, O., Turner, P.L., Tweedie, C.E., Webber, P.J. and Wookey, P.A. 2006. Plant community responses to experimental warming across the tundra biome. Proceedings of the National Academy of Sciences USA 103: 1342-1346.

Wang, G.G., Chhin, S. and Bauerle, W.L. 2006. Effect of natural atmospheric CO2 fertilization suggested by open-grown white spruce in a dry environment. Global Change Biology 12: 601-610.

Wang, J., Price, K.P. and Rich, P.M. 2001. Spatial patterns of NDVI in response to precipitation and temperature in the central Great Plains. International Journal of Remote Sensing 22: 3827-3844.

Wang, J., Rich, P.M. and Price, K.P. 2003. Temporal responses of NDVI to precipitation and temperature in the central Great Plains, USA. International Journal of Remote Sensing 24: 2345-2364.

Wardle, P. and Coleman, M.C. 1992. Evidence for rising upper limits of four native New Zealand forest trees. New Zealand Journal of Botany 30: 303-314.

Weaver, P.L. and Murphy, P.G. 1990. Forest structure and productivity in Puerto Rico's Luquillo Mountains. Biotropica 22: 69-82.

Weih, M. and Karlsson, P.S. 1997. Growth and nitrogen utilization in seedlings of mountain birch (Betula pubescens ssp. tortuosa) as related to plant nitrogen status and temperature: A two-year study. Ecoscience 4: 365-373.

West, D.C. 1988. Detection of forest response to increased atmospheric carbon dioxide. In: Koomanoff, F.A. (Ed.), Carbon Dioxide and Climate: Summaries of Research in FY 1988. U.S. Department of Energy, Washington, D.C., p. 57.

Westfall, J.A. and Amateis, R.L. 2003. A model to account for potential correlations between growth of loblolly pine and changing ambient carbon dioxide concentrations. Southern Journal of Applied Forestry 27: 279-284.

White, M.A., Running, S.W. and Thornton, P.E. 1999. The impact of growing-season length variability on carbon assimilation and evapotranspiration over 88 years in the eastern US deciduous forest. International Journal of Biometeorology 42: 139-145.

White, M.A., Thornton, P.E., Running, S.W. and Nemani, R.R. 2000. Parameterization and sensitivity analysis of the BIOME_BGC terrestrial ecosystem model: Net primary production controls. Earth Interactions 4: 1-84.

Whitham, T.G., Bailey, J.K. and Schweitzer, J.A. 2006. A framework for community and ecosystem genetics from genes to ecosystems. Nature Reviews Genetics 7: 510-523.

Whittaker, R.H. and Likens, G.E. 1975. The biosphere and man. In: Leith, H. and Whittaker, R.H. (Eds.), Primary Productivity and the Biosphere, Ecological Studies 14, Springer-Verlag, Berlin, Germany, pp. 305-328.

Williams, M., Rastetter, E.B. and Fernandes, D.N. 1996. Modeling the soil-plant-atmosphere continuum in a Quercus-Acer stand at Harvard forest: the regulation of stomatal conductance by light, nitrogen and soil-plant hydraulic properties. Plant, Cell & Environment 19: 911-927.

Wilson, S.D. and Nilsson, C. 2009. Arctic alpine vegetation change over 20 years. Global Change Biology 15: 1676-1684.

Wilson, T.B., Webb, R.H. and Thompson, T.L. 2001. Mechanisms of Range Expansion and Removal of Mesquite in Desert Grasslands of the Southwestern United States. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station.

Witt, G.B., Harrington, R.A. and Page, M.J. 2009. Is 'vegetation thickening' occurring in Queensland's mulga lands -- a 50-year aerial photographic analysis. Australian Journal of Botany 57: 572-582.

Wittwer, S.H. 1995. Food, Climate, and Carbon Dioxide: The Global Environment and World Food Production. Lewis Publishers, Boca Raton, FL.

Woodward, F.I. and Lomas, M.R. 2004. Vegetation dynamics -- Simulation responses to climatic change. Biological Reviews 79: 643-670.

Wright, S.J. 2005. Tropical forests in a changing environment. Trends in Ecology and Evolution 20: 553-560.

Wu, W. 2001. Study on process of desertification in Mu Us sandy land for last 50 years, China. Journal of Desert Research 21: 164-169.

Xiao, J. and Moody, A. 2004. Photosynthetic activity of US biomes: responses to the spatial variability and seasonality of precipitation and temperature. Global Change Biology 10: 437-451.

Xiao, J. and Moody, A. 2005. Geographical distribution of global greening trends and their climatic correlates: 1982-1998. International Journal of Remote Sensing 26: 2371-2390.

Yang, Z.P., Zhang, Q., Wang, Y.L., Zhang, J.J. and Chen, M.C. 2011. Spatial and temporal variability of soil properties under Caragana microphylla shrubs in the northwestern Shanxi Loess Plateau, China. Journal of Arid Environments 75: 538-544.

Young, S.S. and Harris, R. 2005. Changing patterns of global-scale vegetation photosynthesis, 1982-1999. International Journal of Remote Sensing 26: 4537-4563.

Zavaleta, E.S. and Kettley, L.S. 2006. Ecosystem change along a woody invasion chronosequence in a California grassland. Journal of Arid Environments 66: 290-306.

Zelensky, O.B. 1977. Ecologo-fisiologicheskije aspekti izuchenija fotosinteza. Nauka, Leningrad, Russia.

Zeppel, M., Macinnis-Ng, C., Palmer, A., Taylor, A., Whitley, R., Fuentes, S., Yunusa, J., Williams, M. and Eamus, D. 2008. An analysis of the sensitivity of sap flux to soil and plant variables assessed for an Australian woodland using a soil-plant-atmosphere model. Functional Plant Biology 35: 509-520.

Zhang, K., Kimball, J.S., Hogg, E.H., Zhao, M.S., Oechel, W.C., Cassano, J.J. and Running, S.W. 2008. Satellite-based model detection of recent climate-driven changes in northern high-latitude vegetation productivity. Journal of Geophysical Research-Biogeosciences 113: G03033.

Zhang, L., Yue, L.P. and Xia, B. 2003. The study of land desertification in transitional zones between the UM US desert and the Loess plateau using RS and GIS -- a case study of the Yulin region. Environmental Geology 44: 530-534.

Zhao, C.S., Dabu, X., and Li, Y . 2004. Relationship between climatic factors and dust storm frequency in inner Mongolia of China. Geophysical Research Letters 31: 10.1029/ 2003GL018351.

Zhao, M. and Running, S.W. 2010. Drought-induced reduction in global terrestrial net primary production from 2000 through 2009. Science 329: 940-943.

Zhao, X., Tan, K., Zhao, S. and Fang, J. 2011. Changing climate affects vegetation growth in the arid region of the northwestern China. Journal of Arid Environments 75: 946-952.

Zhou, D., Fan, G., Huang, R., Fang, Z., Liu, Y. and Li, H. 2007. Interannual variability of the normalized difference vegetation index on the Tibetan Plateau and its relationship with climate change. Advances in Atmospheric Sciences 24: 474-484.

Zhou, L.M., Tucker, C.J., Kaufmann, R.K., Slayback, D., Shabanov, N.V. and Myneni, R.B. 2001. Variations in northern vegetation activity inferred from satellite data of vegetation index during 1981 to 1999. Journal of Geophysical Research 106: 20,069-20,083.

Zou, X.K. and Zhai P.M. 2004. Relationship between vegetation coverage and spring dust storms over northern China. Journal of Geophysical Research 109: 10.1029/2003JD003913.

Zhu, W.Q., Pan, Y.Z., He, H., Yu, D., and Hu, H. 2006. Simulation of maximum light use efficiency for some typical vegetation types in China. Chinese Science Bulletin 51: 457-463.

Zhu, W.Q., Pan, Y.Z., Yang, X.Q. and Song, G.B. 2007. Comprehensive analysis of the impact of climatic changes on Chinese terrestrial net primary productivity. Chinese Science Bulletin 52: 3253-3260.

Zhu, W.Q., Pan, Y.Z. and Zhang, J.S. 2007. Estimation of net primary productivity of Chinese terrestrial vegetation based on remote sensing. Journal of Plant Ecology 31: 413-424.

Zhuang, Q., He, J., Lu, Y., Ji, L., Xiao, J. and Luo, T. 2010. Carbon dynamics of terrestrial ecosystems on the Tibetan Plateau during the 20th century: an analysis with a process-based biogeochemical model. Global Ecology and Biogeography 19: 649-662.

Ziska, L.H., Bunce, J.A. and Goins, E.W. 2004. Characterization of an urban-rural CO2/temperature gradient and associated changes in initial plant productivity during secondary succession. Oecologia 139: 454-458.

Zolotokrylin, A.N. 2002. The indicator of climate aridity. Arid Ecosystems 8: 49-57.