Alward, R.D., Detling, J.K., Milchunas, D.G., 1999. Grassland vegetation changes and nocturnal global warming. Science 283, 229-231.
Amiro, B.D., 2001. Paired-tower measurements of carbon and energy fluxes following disturbance in the boreal forest. Global Change Biol. 7, 253-268.
Aubinet, M., Grelle, A., Ibrom, A., Rannik, Ü., Moncrieff, J., Foken, T., Kowalski, A.S., Martin, P.H., Berbigier, P., Bernhofer, Ch., Clement, R., Elbers, J., Granier, A., Grünwald, T., Morgenstern, K., Pilegaard, K., Rebmann, C., Snijders, W., Valentini, R., Vesala, T., 2000. Estimates of the annual net carbon and water exchange of forests: The EUROFLUX methodology. Adv. Ecol. Res. 30, 113-175.
Baldocchi, D.D., Finnigan, J., Wilson, K., Paw U, K.T., Falge, E., 2000. On measuring net ecosystem carbon exchange over tall vegetation on complex terrain. Boundary Layer Meteorol. 96, 257-291.
Baldocchi, D., Falge, E., Wilson, K., 2001. A spectral analysis of biosphere-atmosphere trace gas flux densities and meteorological variables across hour to multi-year time scales. Agric. For. Meteorol. 107, 1-27.
Bergen, K., Dobson, M.C., 1999. Integration of remotely sensed radar imagery in modeling and mapping of forest biomass and net primary production. Ecol. Modell. 122, 257-274.
Black, T.A., den Hartog, G., Neumann, H.H., Blanken, P.D., Yang, P.C., Russell, C., Nesic, Z., Lee, X., Chen, S.G., Staebler, R., Novak, M.D., 1996. Annual cycles of water vapour and carbon dioxide fluxes in and above a boreal aspen forest. Global Change Biol. 2, 101-111.
Black, T.A., Chen, W.J., Barr, A.G., Arain, M.A., Chen, Z., Nesic, Z., Hogg, E.H., Neumann, H.H., Yang, P.C., 2000. Increased carbon sequestration by a boreal deciduous forest in years with a warm spring. Geophys. Res. Lett. 27, 1271-1274.
Ciais, P., Friedlingstein, P., Schimel, D.S., Tans, P.P., 1999. A global calculation of the delta C-13 of soil respired carbon: Implications for the biospheric uptake of anthropogenic CO2. Global Biogeochem. Cy. 13 (2), 519-530.
Cramer, W., Kicklighter, D.W., Bondeau, A., Moore, III, B., Churkina, G., Nemry, B., Ruimy, A., Schloss, A.L., The Participants of the Potsdam NPP Model Intercomparison, 1999. Comparing global models of terrestrial net primary productivity (NPP): Overview and key results. Global Change Biol. 5 (Suppl.), 1-15.
Davidson, E.A., Belk, E., Boone, R.D., 1998. Soil water content and temperature as independent or confounded factors controlling soil respiration in a temperate mixed hardwood forest. Global Change Biol. 4, 217-227.
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., Folland, C.K., 1997. Maximum and minimum temperature trends for the globe. Science 277, 364-367.
Edwards, N.T., 1975. Effects of temperature and moisture on carbon dioxide evolution in a mixed deciduous forest floor. Soil Sci. Soc. Am. Proc. 39, 361-365.
Falge, E., Baldocchi, D., Olson, R.J., Anthoni, P., Aubinet, M., Bernhofer, C., Burba, G., Ceulemans, R., Clement, R., Dolman, H., Granier, A., Gross, P., Grünwald, T., Hollinger, D., Jensen, N.-O., Katul, G., Keronen, P., Kowalski, A., Ta Lai, C., Law, B.E., Meyers, T., Moncrieff, J., Moors, E., Munger, J.W., Pilegaard, K., Rannik, Ü., Rebmann, C., Suyker, A., Tenhunen, J., Tu, K., Verma, S., Vesala, T., Wilson, K., Wofsy, S., 2001. Gap filling strategies for defensible annual sums of net ecosystem exchange. Agric. Meteorol. 107, 43-69.
Falge, E., Tenhunen, J.D., Baldocchi, D.D., Aubinet, M., Bakwin, P., Berbigier, P., Bernhofer, C., Bonnefond, J.-M., Burba, G., Clement, R., Davis, K.J., Elbers, J.A., Falk, M., Goldstein, A.H., Grelle, A., Granier, A., Grünwald, T., Guomundsson, J., Hollinger, D., Janssens, I.A., Keronen, P., Kowalski, A.S., Katul, G., Law, B.E., Malhi, Y., Meyers, T., Monson, R.K., Moors, E., Munger, J.W., Oechel, W., Paw U, K.T., Pilegaard, K., Rannik, U., Rebmann, C., Suyker, A., Thorgeirsson, H., Tirone, G., Turnipseed, A., Wilson, K., Wofsy, S., 2002. Phase and amplitude of ecosystem carbon release and uptake potentials as derived from FLUXNET measurements. Agric. For. Meteorol. 113, 75-95.
Fan, S., Gloor, M., Mahlman, J., Pacala, S., Sarmiento, J., Takahashi, T., Tans, P., 1998. A large terrestrial carbon sink in North America implied by atmospheric and oceanic carbon dioxide data and models. Science 282, 442-446.
Field, C.B., Randerson, J.T., Malmström, C.M., 1995. Global net primary production: Combining ecology and remote sensing. Remote Sens. Environ. 51, 74-88.
Field, C.B., Behrenfeld, M.J., Randerson, J.T., Falkowski, P., 1998. Primary production of the biosphere: Integrating terrestrial and oceanic components. Science 281, 237-240.
Fliebach, A., Sarig, S., Steinberger, Y., 1994. Effects of water pulses and climatic conditions on microbial biomass kinetics and microbial activity in a Yermosol of the central Negev. Arid Soil Res. Rehab. 8, 353-362.
Friedlingstein, P., Fung, I., Holland, E., John, J., Brasseur, G., Erickson, D., Schimel, D., 1995. On the contribution of CO2 fertilization to the missing biospheric sink. Global Biogeochem. Cy. 9 (4), 541-556.
Goetz, S.J., Prince, S.D., Goward, S.N., Thawley, M.M., Small, J., 1999. Satellite remote sensing of primary production: An improved production efficiency modeling approach. Ecol. Modell. 122, 239-255.
Goulden, M.L., Munger, J.W., Fan, S.M., Daube, B.C., Wofsy, S.C., 1996. Measurement of carbon storage by long-term eddy correlation: Methods and a critical assessment of accuracy. Global Change Biol. 2, 169-182.
Hanson, P.J., Wullschleger, S.D., Bohlman, S.A., Todd, D.E., 1993. Seasonal and topographic patterns of forest floor CO2 efflux from an upland oak forest. Tree Physiol. 13, 1-15.
Hasenauer, H., Nemani, R.R., Schadauer, K., Running, S.W., 1999. Forest growth response to changing climate between 1961 and 1990 in Austria. For. Ecol. Manage. 122, 209-219.
Houghton, J.T., Meira Filho, L.G., Callander, B.A., Harris, N., Kattenberg, A., Maskell, K. (Eds.), 1996. Climate Change 1995 - The Science of Climate Change. Cambridge University Press, Cambridge.
Jackson, R.B., Lechowicz, M.J., Li, X., Mooney, H.A., 2000. The roles of phenology, growth, and allocation in global terrestrial productivity. In: Mooney, H.A., Saugier, B., Roy, J. (Eds.), Terrestrial Global Productivity: Past, Present, and Future. Academic Press, San Diego, pp. 61-82.
Janssen, I.A., Lankreijer, H., Matteucci, G., Kowalski, A.S., Buchmann, N., Epron, D., Pilegaard, K., Kutsch, W., Longdoz, B., Grünwald, T., Montagnani, L., Dore, S., Rebmann, C., Moors, E.J., Grelle, A., Rannik, Ü., Morgenstern, K., Oltchev, S., Clement, R., Guomundsson, J., Minerbi, S., Berbigier, P., Ibrom, A., Moncrieff, J., Aubinet, M., Bernhofer, C., Jensen, N.-O., Vesala, T., Granier, A., Schulze, E.-D., Lindroth, A., Dolman, A.J., Jarvis, P.G., Ceulemans, R., Valentini, R., 2001. Productivity overshadows temperature in determining soil and ecosystem respiration across European forests. Global Change Biol. 7, 269-278.
Jiang, H., Apps, M.J., Zhang, Y., Peng, Ch., Woodward, P.M., 1999. Modelling the spatial pattern of net primary productivity in Chinese forests. Ecol. Modell. 122, 275-288.
Keeling, C.D., Chin, J.F.S., Whorf, T.P., 1996a. Increased activity of northern vegetation inferred from atmospheric CO2 observations. Nature 382, 146-149.
Keeling, R.F., Piper, S.C., Heimann, M., 1996b. Global and hemispheric CO2 sinks deduced from changes in atmospheric O2 concentration. Nature 381, 218-221.
Keyser, A.R., Kimball, J.S., Nemani, R.R., Running, S.W., 2000. Simulating the effects of climate change in the carbon balance of North American high-latitude forests. Global Change Biol. 6, 185-195.
Kohlmaier, G.H., Badeck, F.-W., Otto, R.D., Häger, C., Dönges, S., Kindermann, J., Würth, G., Lang, T., Jäkel, U., Nadler, A., Ramge, P., Klaudius, A., Habermehl, S., Lüdeke, M.K.B., 1997. The Frankfurt biosphere model: A global process-oriented model for the seasonal and long-term CO2 exchange between terrestrial ecosystems and the atmosphere. II. Global results for potential vegetation in an assumed equilibrium state. Climate Res. 8, 61-87.
Law, B.E., Ryan, M.G., Anthoni, P.M., 1999. Seasonal and annual respiration of a Ponderosa pine ecosystem. Global Change Biol. 5 (1), 69-182.
Law, B., Williams, M., Anthoni, P., Baldocchi, D.D., Unsworth, M.H., 2000. Measuring and modeling seasonal variation of carbon dioxide and water vapor exchange of a Pinus ponderosa forest subject to soil water deficit. Global Change Biol. 6, 613-630.
Lee, X., 1998. On micrometeorological observations of surface-air exchange over tall vegetation. Agric. Meteorol. 91, 39-50.
Lieth, H.F.H., 1975. Primary production of the major vegetation units of the world. In: Lieth, H., Whittaker, R.H. (Eds.), Primary Productivity of the Biosphere: Ecological Studies, Vol. 14. Springer, Berlin, pp. 203-215.
Lloyd, J., Taylor, J.A., 1994. On the temperature dependence of soil respiration. Funct. Ecol. 8, 315-323.
Menzel, A., Fabian, P., 1999. Growing season extended in Europe. Nature 397, 659.
Meyers, T., 2001. A comparison of summertime water and CO2 fluxes over rangeland for well watered and drought conditions, Agric. Meteorol. 106, 205-214.
Moncrieff, J.B., Mahli, Y., Leuning, R., 1996. The propagation of errors in long term measurements of land atmosphere fluxes of carbon and water. Global Change Biol. 2, 231-240.
Myneni, R.B., Keeling, C.D., Tucker, C.J., Asrar, G., Nemani, R.R., 1997. Increased plant growth in the northern high latitudes from 1981 to 1991. Nature 386, 698-702.
Nemry, B., François, L., Gérard, J.-C., Bondeau, A., Heimann, M., The Participants of the Potsdam NPP model intercomparison, 1999. Comparing global models of terrestrial net primary productivity (NPP): Analysis of the seasonal atmospheric CO2 signal. Global Change Biol. 5 (Suppl.), 65-76.
Raich, J.W., Schlesinger, W.H., 1992. The global carbon dioxide flux in soil respiration and its relationship to vegetation and climate. Tellus B 44, 81-99.
Raich, J.W., Tufekciogul, A., 2000. Vegetation and soil respiration: Correlations and controls. Biogeochemistry 48 (1), 71-90.
Randerson, J.T., Field, C.B., Fung, I.Y., Tans, P.P., 1999. Increases in early season ecosystem uptake explain recent changes in the seasonal cycle of atmospheric CO2 at high northern latitudes. Geophys. Res. Lett. 26, 2765-2768.
Rastetter, E.B., McKane, R.B., Shaver, G.R., Melillo, J.M., 1992. Changes in C storage by terrestrial ecosystems: How C-N interactions restrict responses to CO2 and temperature. Water Air Soil Poll. 64, 327-344.
Running, S.W., Baldocchi, D.D., Turner, D., Gower, S.T., Bakwin, P., Hibbard, K., 1999. A global terrestrial monitoring network, scaling tower fluxes with ecosystem modeling and EOS satellite data. Remote Sens. Environ. 70, 108-127.
Schulze, E.-D., 1982. Plant life forms as related to plant carbon, water and nutrient relations. In: Lange, O.L., Nobel, P.S., Osmond, C.B., Ziegler, H. (Eds.), Encyclopedia of Plant Physiology, Physiological Plant Ecology, Water Relations and Photosynthetic Productivity, Vol. 12B. Springer, Berlin, pp. 615-676.
Schulze, E.-D., Lloyd, J., Kelliher, F.M., Wirth, C., Rebmann, C., Luhker, B., Mund, M., Knohl, A., Milyukova, I.M., Schulze, W., Ziegler, W., Varlagin, A.B., Sogachev, A.F., Valentini, R., Dore, S., Grigoriev, S., Kolle, O., Panfyorov, M.I., Tchebakova, N., Vygodskaya, N.N., 1999. Productivity of forests in the Eurosiberian boreal region and their potential to act as a carbon sink - A synthesis. Global Change Biol. 5 (6), 703-722.
Sellers, P.J., Randall, D.A., Collatz, G.J., Berry, J.A., Field, C.B., Dazlich, D.A., Zhang, C., Collelo, G.D., Bounoua, L., 1996a. A revised land surface parameterization (SiB2) for atmospheric GCMs. Part I. Model formulation. J. Climatol. 9, 676-705.
Sellers, P.J., Los, S.O., Tucker, C.J., Justice, C.O., Dazlich, D.A., Collatz, G.J., Randall, D.A., 1996b. A revised land surface parameterization (SiB2) for atmospheric GCMs. Part II. The generation of global fields of terrestrial biophysical parameters from satellite data. J. Climatol. 9, 706-737.
Suyker, A.E., Verma, Sh.B., 2001. Year-round observations of the net ecosystem exchange of carbon dioxide in a native tall grass prairie. Global Change Biol. 7, 279-289.
Tans, P.P., Fung, I.Y., Takahashi, T., 1990. Observational constraints on the global atmospheric CO2 budget. Science 247, 1431-1438.
Valentini, R. (Ed.), 2002. Fluxes of Carbon, Water and Energy of European Forests, Ecological Studies Series, Springer Verlag, Heidelberg, (in press).
Valentini, R., Matteucci, G., Dolman, A.J., Schulze, E.-D., Rebmann, C., Moors, E.J., Granier, A., Gross, P., Jensen, N.-O., Pilegaard, K., Lindroth, A., Grelle, A., Bernhofer, C., Grünwald, T., Aubinet, M., Ceulemans, R., Kowalski, A.S., Vesala, T., Rannik, U., Berbigier, P., Loustau, D., Guomundsson, J., Thorgeirsson, H., Ibrom, A., Morgenstern, K., Clement, R., Moncrieff, J., Montagnani, L., Minerbi, S., Jarvis, P., 2000. Respiration as the main determinant of carbon balance in European forests. Nature 404, 861-865.
Walker, B.H., Steffen, W.L., Langridge, J., 1999. Interactive and integrated effects of global change on terrestrial ecosystems. In: Walker, B.H., Steffen, W.L., Canadell, J., Ingram, J.S.I. (Eds.), Implications of Global Change for Natural and Managed Ecosystems: A Synthesis of GCTE and Related Research. International Geosphere-Biosphere Programme (IGBP) Book Series No. 4, Cambridge University Press, Cambridge, UK.
Waring, R.H., Schlesinger, W.H., 1985. Forest Ecosystems: Concepts and Management. Academic Press, San Diego, CA, pp. 263-276.
Warnant, P., Francois, L., Strivay, D., Gerard, J.-C., 1994. CARAIB: A global model of terrestrial biological productivity. Global Biogeochem. Cy. 8, 255-270.
White, M.A., Running, S.W., 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. Int. J. Biometeorol. 42, 139-145.
Xu, M., Qi, Y., 2001. Soil surface CO2 efflux and its spatial and temporal variations in a young Ponderosa pine plantation in northern California. Global Change Biol. 7, 667-677.
Xu, M., DeBiase, T., Qi, Y., Goldstein, A., Liu, Z., 2001. Ecosystem respiration in a young Ponderosa pine plantation in the Sierra Nevada Mountains, California. Tree Physiol. 21, 309-318.
