Haeni, M.; Swiss Federal Research Institute WSL, Birmensdorf, Switzerland, Institute of Agricultural Sciences, ETH Zürich, Zürich, Switzerland
Zweifel, R.; Swiss Federal Research Institute WSL, Birmensdorf, Switzerland
Eugster, W.; Institute of Agricultural Sciences, ETH Zürich, Zürich, Switzerland
Gessler, A.; Swiss Federal Research Institute WSL, Birmensdorf, Switzerland
Zielis, S.; Institute of Agricultural Sciences, ETH Zürich, Zürich, Switzerland
Bernhofer, C.; Institut für Hydrologie und Meteorologie, LS Meteorologie, TU Dresden, Tharandt, Germany
Carrara, A.; Fundación CEAM, Valencia, Spain
Grünwald, T.; Institut für Hydrologie und Meteorologie, LS Meteorologie, TU Dresden, Tharandt, Germany
Havránková, K.; CzechGlobe-Global Change Research Institute CAS, Brno, Czech Republic
Heinesch, Bernard ; Université de Liège - ULiège > Ingénierie des biosystèmes (Biose) > Biosystems Dynamics and Exchanges
Herbst, M.; Bioclimatology, Georg-August-University of Göttingen, Göttingen, Germany, Thünen Institute of Climate-Smart Agriculture, Braunschweig, Germany
Ibrom, A.; Department of Environmental Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
Knohl, A.; Bioclimatology, Georg-August-University of Göttingen, Göttingen, Germany
Lagergren, F.; Department of Physical Geography and Ecosystem Science, Lund University, Lund, Sweden
Law, B. E.; Forest Ecosystems and Society, Oregon State University, Corvallis, OR, United States
Marek, M.; CzechGlobe-Global Change Research Institute CAS, Brno, Czech Republic
Matteucci, G.; Institute for Agricultural and Forestry Systems in the Mediterranean (ISAFOM), National Research Council of ItalyErcolano (NA), Italy
McCaughey, J. H.; Department of Geography and Planning, Queen's University, Kingston, ON, Canada
Montagnani, L.; Faculty of Science and Technology, Free University of Bolzano, Bolzano, Italy
Moors, E.; Climate Change and Adaptive Land and Water Management, Wageningen UR, Alterra, Wageningen, Netherlands, Faculty of Earth and Life Sciences, VU University Amsterdam, Amsterdam, Netherlands
Olejnik, J.; CzechGlobe-Global Change Research Institute CAS, Brno, Czech Republic, Department of Meteorology, Poznań University of Life Sciences, Poznań, Poland
Pavelka, M.; CzechGlobe-Global Change Research Institute CAS, Brno, Czech Republic
Pilegaard, K.; Department of Environmental Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
Pita, G.; Instituto Superior Técnico, Mechanical Engineering Department, University of Lisbon, Lisbon, Portugal
Rodrigues, A.; Unidade Estratégica Investigação e Serviços de Sistemas Agrários e Florestais e Sanidade Vegetal, Instituto Nacional de Investigação Agrária e Veterinária, Oeiras, Portugal
Sanz Sánchez, M. J.; BC3 Basque Centre for Climate Change, Bilbao, Spain
Schelhaas, M.-J.; Climate Change and Adaptive Land and Water Management, Wageningen UR, Alterra, Wageningen, Netherlands
Urbaniak, M.; Department of Meteorology, Poznań University of Life Sciences, Poznań, Poland
Valentini, R.; Department for Innovation in Biological, Agro-Food and Forest System, University of Tuscia, Viterbo, Italy
Varlagin, A.; A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russian Federation
Vesala, T.; Department of Physics, University of Helsinki, Helsinki, Finland, Department of Forest Sciences, Univerusty of Helsinki, Helsinki, Finland
Vincke, C.; Exchanges Ecosystem Atmosphere, University of Liege—Gembloux Agro-Bio Tech, TERRA, Gembloux, Belgium
Wu, J.; Department of Environmental Engineering, Technical University of Denmark, Kongens Lyngby, Denmark, Zhejiang Provincial Key Laboratory of Forest Intelligent Monitoring and Information Technology, Zhejiang A&F University, Hangzhou, China
Buchmann, N.; Institute of Agricultural Sciences, ETH Zürich, Zürich, Switzerland
Aubinet, M., T. Vesala, and D. Papale (2012), Eddy Covariance—A Practical Guide to Measurement and Data Analysis, pp. 59–171, Springer, Netherlands.
Aurela, M., T. Laurila, and J. Tuovinen (2004), The timing of snow melt controls the annual CO2 balance in a subarctic fen, Geophys. Res. Lett., 31, L16119, doi:10.1029/2004GL020315.
Baldocchi, D. D., T. Black, P. Curtis, E. Falge, J. Fuentes, A. Granier, L. Gu, A. Knohl, K. Pilegaard, and H. Schmid (2005), Predicting the onset of net carbon uptake by deciduous forests with soil temperature and climate data: A synthesis of FLUXNET data, Int. J. Biometeorol., 49(6), 377–387.
Baldocchi, D., and K. Wilson (2001), Modelling CO2 and water vapour exchange of a temperate broadleaved forest across hourly to decadal time scales, Ecol. Modell., 142, 155–184.
Basler, D., and C. Körner (2014), Photoperiod and temperature responses of bud swelling and bud burst in four temperate forest tree species, Tree Physiol., 34(4), 377–388, doi:10.1093/treephys/tpu021.
Beringer, J., et al. (2016), An introduction to the Australian and New Zealand flux tower network—OzFlux, Biogesciences Discuss., 13, 5895–5916.
Brzostek, E. R., D. Dragoni, H. P. Schmid, A. F. Rahman, D. Sims, C. A. Wayson, D. J. Johnson, and R. P. Phillips (2014), Chronic water stress reduces tree growth and the carbon sink of deciduous hardwood forests, Global Change Biol., 20(8), 2531–2539.
Campioli, M., A. Michelsen, A. Demey, A. Vermeulen, R. Samson, and R. Lemeur (2009), Net primary production and carbon stocks for subarctic mesic–dry tundras with contrasting microtopography, altitude, and dominant species, Ecosystems, 12(5), 760–776.
Churkina, G., D. Schimel, B. H. Braswell, and X. Xiao (2005), Spatial analysis of growing season length control over net ecosystem exchange, Global Change Biol., 11(10), 1777–1787, doi:10.1111/j.1365-2486.2005.001012.x.
Ciais, P., et al. (2005), Europe-wide reduction in primary productivity caused by the heat and drought in 2003, Nature, 437(7058), 529–533, doi:10.1038/nature03972.
European Fluxes Database Cluster (2014), Online resource: http://www.europe-fluxdata.eu/, last accessed on April 13, 2014.
Cook, B. D., K. J. Davis, W. Wang, A. Desai, B. W. Berger, R. M. Teclaw, J. G. Martin, P. V. Bolstad, P. S. Bakwin, and C. Yi (2004), Carbon exchange and venting anomalies in an upland deciduous forest in northern Wisconsin, USA, Agric. For. Meteorol., 126(3), 271–295.
Cook, B. I., E. M. Wolkovich, and C. Parmesan (2012), Divergent responses to spring and winter warming drive community level flowering trends, Proc. Natl. Acad. Sci., 109(23), 9000–9005.
Coursolle, C., H. Margolis, M.-A. Giasson, P.-Y. Bernier, B. Amiro, M. Arain, A. Barr, T. Black, M. Goulden, and J. McCaughey (2012), Influence of stand age on the magnitude and seasonality of carbon fluxes in Canadian forests, Agric. For. Meteorol., 165, 136–148.
Delpierre, N., K. Soudani, C. Francois, B. Köstner, J. Y. Pontailler, E. Nikinmaa, L. Misson, M. Aubinet, C. Bernhofer, and A. Granier (2009), Exceptional carbon uptake in European forests during the warm spring of 2007: A data–model analysis, Global Change Biol., 15(6), 1455–1474.
Dragoni, D., H. P. Schmid, C. A. Wayson, H. Potter, C. S. B. Grimmond, and J. C. Randolph (2011), Evidence of increased net ecosystem productivity associated with a longer vegetated season in a deciduous forest in south-central Indiana, USA, Global Change Biol., 17(2), 886–897.
Epron, D., R. Liozon, and M. Mousseau (1996), Effects of elevated CO2 concentration on leaf characteristics and photosynthetic capacity of beech (Fagus sylvatica) during the growing season, Tree Physiol., 16(4), 425–432, doi:10.1093/treephys/16.4.425.
Flechard, C. R., et al. (2011), Dry deposition of reactive nitrogen to European ecosystems: A comparison of inferential models across the NitroEurope network, Atmos. Chem. Phys., 11(6), 2703–2728, doi:10.5194/acp-11-2703-2011.
Gökkaya, K., V. Thomas, T. Noland, H. McCaughey, and P. Treitz (2014), Testing the robustness of predictive models for chlorophyll generated from spaceborne imaging spectroscopy data for a mixed wood boreal forest canopy, Int. J. Rem. Sens., 35(1), 218–233.
Gökkaya, K., V. Thomas, T. L. Noland, H. McCaughey, I. Morrison, and P. Treitz (2015), Prediction of macronutrients at the canopy level using spaceborne imaging spectroscopy and LiDAR data in a mixed wood boreal forest, Rem. Sens., 7(7), 9045–9069.
Gonsamo, A., J. M. Chen, D. T. Price, W. A. Kurz, and C. Wu (2012a), Land surface phenology from optical satellite measurement and CO2 eddy covariance technique, J. Geophys. Res., 117, G03032, doi:10.1029/2012JG002070.
Gonsamo, A., J. M. Chen, C. Wu, and D. Dragoni (2012b), Predicting deciduous forest carbon uptake phenology by upscaling FLUXNET measurements using remote sensing data, Agric. For. Meteorol., 165, 127–135.
Gough, C., C. Vogel, H. Schmid, H.-B. Su, and P. Curtis (2008), Multi-year convergence of biometric and meteorological estimates of forest carbon storage, Agric. For. Meteorol., 148(2), 158–170.
Gough, C. M., B. S. Hardiman, L. E. Nave, G. Bohrer, K. D. Maurer, C. S. Vogel, K. J. Nadelhoffer, and P. S. Curtis (2013), Sustained carbon uptake and storage following moderate disturbance in a Great Lakes forest, Ecol. Appl., 23(5), 1202–1215.
Grünwald, T., and C. Bernhofer (2007), A decade of carbon, water and energy flux measurements of an old spruce forest at the Anchor Station Tharandt, Tellus B, 59(3), 387–396.
Herbst, M., M. Mund, R. Tamrakar, and A. Knohl (2015), Differences in carbon uptake and water use between a managed and an unmanaged beech forest in central Germany, For. Ecol. Manage., 355, 101–108.
Hoch, G., A. Richter, and C. Körner (2003), Non-structural carbon compounds in temperate forest trees, Plant, Cell Environ., 26(7), 1067–1081.
Holmsgaard, E. (1955), Arringanalyser af danske skovtraeer, Det forstl. fors0gsvaesen i Danmark, 22(1).
Hu, J., D. J. Moore, S. P. Burns, and R. K. Monson (2010), Longer growing seasons lead to less carbon sequestration by a subalpine forest, Global Change Biol., 16(2), 771–783.
Jurik, T. W. (1986), Seasonal patterns of leaf photosynthetic capacity in successional northern hardwood tree species, Am. J. Bot., 73(1), 131–138, doi:10.2307/2444285.
Keenan, T., et al. (2012), Terrestrial biosphere model performance for inter-annual variability of land-atmosphere CO2 exchange, Global Change Biol., 18(6), 1971–1987, doi:10.1111/j.1365-2486.2012.02678.x.
Keith, H., E. Van Gorsel, K. L. Jacobsen, and H. A. Cleugh (2012), Dynamics of carbon exchange in a Eucalyptus forest in response to interacting disturbance factors, Agric. For. Meteorol., 153, 67–81.
Knohl, A., E.-D. Schulze, O. Kolle, and N. Buchmann (2003), Large carbon uptake by an unmanaged 250-year-old deciduous forest in Central Germany, Agric. For. Meteorol., 118(3), 151–167.
Koike, T. (1990), Autumn colouring, photosynthetic performance and leaf development of deciduous broadleaved trees in relation to forest succession, Tree Physiol., 7(1--4), 21–32.
Lagergren, F., A. Lindroth, E. Dellwik, A. Ibrom, H. Lankreijer, S. Launiainen, M. MÖLder, P. Kolari, K. I. M. Pilegaard, and T. Vesala (2008), Biophysical controls on CO2 fluxes of three northern forests based on long-term eddy covariance data, Tellus B, 60(2), 143–152, doi:10.1111/j.1600-0889.2006.00324.x.
Law, B., and R. Waring (2015), Carbon implications of current and future effects of drought, fire and management on Pacific Northwest forests, For. Ecol. Manage., 355, 4–14.
Law, B., E. Falge, L. V. Gu, D. Baldocchi, P. Bakwin, P. Berbigier, K. Davis, A. Dolman, M. Falk, and J. Fuentes (2002), Environmental controls over carbon dioxide and water vapor exchange of terrestrial vegetation, Agric. For. Meteorol., 113(1), 97–120.
Le Maire, G., N. Delpierre, M. Jung, P. Ciais, M. Reichstein, N. Viovy, A. Granier, A. Ibrom, P. Kolari, and B. Longdoz (2010), Detecting the critical periods that underpin interannual fluctuations in the carbon balance of European forests, J. Geophys. Res., 115, G00H03, doi:10.1029/2009JG001244.
Lundmark, T., J. Heden, and J. E. Hallgren (1988), Recovery from winter depression of photosynthesis in pine and spruce, Trees, 2(2), 110–114, doi:10.1007/BF00196757.
McCaughey, J., M. Pejam, M. Arain, and D. Cameron (2006), Carbon dioxide and energy fluxes from a boreal mixed wood forest ecosystem in Ontario, Canada, Agric. For. Meteorol., 140(1), 79–96.
Monson, R., D. Moore, N. Trahan, L. Scott-Denton, S. Burns, J. Hu, and D. Bowling (2011a), Process coupling and control over the response of net ecosystem CO2 exchange to climate variability and insect disturbance in subalpine forests of the Western US, Abstracts B13J-01 presented at 2011 Fall Meeting, AGU, San Francisco, Calif.
Monson, R., D. Moore, N. Trahan, L. Scott-Denton, S. Burns, J. Hu, and D. Bowling (2011b), Process coupling and control over the response of net ecosystem eCO2 exchange to climate variability and insect disturbance in subalpine forests of the Western US, Abstracts B13J-01 presented at 2011 Fall Meeting, AGU, San Francisco, Calif.
Mund, M., W. Kutsch, C. Wirth, T. Kahl, A. Knohl, M. Skomarkova, and E.-D. Schulze (2010), The influence of climate and fructification on the inter-annual variability of stem growth and net primary productivity in an old-growth, mixed beech forest, Tree Physiol., 30(6), 689–704.
Munger, J. W., S. C. Wofsy, P. S. Bakwin, S. M. Fan, M. L. Goulden, B. C. Daube, A. H. Goldstein, K. E. Moore, and D. R. Fitzjarrald (1996), Atmospheric deposition of reactive nitrogen oxides and ozone in a temperate deciduous forest and a subarctic woodland: 1. Measurements and mechanisms, J. Geophys. Res., 101, 12,639–12,657, doi:10.1029/96JD00230.
Munger, J. W., S.-M. Fan, P. S. Bakwin, M. L. Goulden, A. Goldstein, A. S. Colman, and S. C. Wofsy (1998), Regional budgets for nitrogen oxides from continental sources: Variations of rates for oxidation and deposition with season and distance from source regions, J. Geophys. Res., 103, doi:10.1029/98JD00168.
Nave, L. E., C. S. Vogel, C. M. Gough, and P. S. Curtis (2009), Contribution of atmospheric nitrogen deposition to net primary productivity in a northern hardwood forest, Can. J. For. Res., 39(6), 1108–1118.
Ottander, C., and G. Oquist (1991), Recovery of photosynthesis in winter-stressed Scots pine, Plant Cell Environ., 14(3), 345–349, doi:10.1111/j.1365-3040.1991.tb01511.x.
Ottander, C., D. Campbell, and G. Oquist (1995), Seasonal changes in photosystem II organization and pigment composition in Pinus sylvestris, Planta, 197(1), 176–183, doi:10.1007/BF00239954.
Pallardy, S. G. (2010), Physiology of Woody Plants, 3rd ed., Academic Press, San Diego, Calif.
Pilegaard, K., A. Ibrom, M. S. Courtney, P. Hummelshøj, and N. O. Jensen (2011), Increasing net CO2 uptake by a Danish beech forest during the period from 1996 to 2009, Agric. For. Meteorol., 151(7), 934–946.
Pita, G., B. Gielen, D. Zona, A. Rodrigues, S. Rambal, I. A. Janssens, and R. Ceulemans (2013), Carbon and water vapor fluxes over four forests in two contrasting climatic zones, Agric. For. Meteorol., 180, 211–224.
Quinn, G., and M. Keough (2002), Experimental Design and Data Analysis for Biologists, Cambridge Univ. Press, Cambridge.
R Development Core Team (2013), R: A language and environment for statistical computing: http://www.R-project.org, Vienna, Austria: R Foundation for Statistical Computing, 1-1731.
Reich, P. B., M. B. Walters, and D. S. Ellsworth (1991), Leaf age and season influence the relationships between leaf nitrogen, leaf mass per area and photosynthesis in maple and oak trees, Plant Cell Environ., 14(3), 251–259, doi:10.1111/j.1365-3040.1991.tb01499.x.
Reichstein, M., et al. (2005), On the separation of net ecosystem exchange into assimilation and ecosystem respiration: Review and improved algorithm, Global Change Biol., 11(9), 1424–1439, doi:10.1111/j.1365-2486.2005.001002.x.
Reichstein, M., et al. (2013), Climate extremes and the carbon cycle, Nature, 500(7462), 287–295, doi:10.1038/nature12350.
Richardson, A. D., D. Y. Hollinger, D. B. Dail, J. T. Lee, J. W. Munger, and J. O'Keefe (2009), Influence of spring phenology on seasonal and annual carbon balance in two contrasting New England forests, Tree Physiol., 29(3), 321–331, doi:10.1093/treephys/tpn040.
Richardson, A. D., et al. (2010), Influence of spring and autumn phenological transitions on forest ecosystem productivity, Philos. Trans. R. Soc. London, Ser. B, 365(1555), 3227–3246, doi:10.1098/rstb.2010.0102.
Rodrigues, A., G. Pita, J. Mateus, C. Kurz-Besson, M. Casquilho, S. Cerasoli, A. Gomes, and J. Pereira (2011), Eight years of continuous carbon fluxes measurements in a Portuguese eucalypt stand under two main events: Drought and felling, Agric. For. Meteorol., 151(4), 493–507.
Roman, D., K. Novick, E. Brzostek, D. Dragoni, F. Rahman, and R. Phillips (2015), The role of isohydric and anisohydric species in determining ecosystem-scale response to severe drought, Oecologia, 179(3), 641–654.
Scartazza, A., D. Di Baccio, P. Bertolotto, O. Gavrichkova, and G. Matteucci (2016), Investigating the European beech (Fagus sylvatica L.) leaf characteristics along the vertical canopy profile: Leaf structure, photosynthetic capacity, light energy dissipation and photoprotection mechanisms, Tree Physiol., 36(9), 1060–1076.
Schmid, H. P., C. S. B. Grimmond, F. Cropley, B. Offerle, and H.-B. Su (2000), Measurements of CO2 and energy fluxes over a mixed hardwood forest in the mid-western United States, Agric. For. Meteorol., 103(4), 357–374.
Schwarz, P., B. Law, M. Williams, J. Irvine, M. Kurpius, and D. Moore (2004), Climatic versus biotic constraints on carbon and water fluxes in seasonally drought-affected ponderosa pine ecosystems, Global Biogeochem. Cycles, 18, GB4007, doi:10.1029/2004GB002234.
Shao, J., X. Zhou, Y. Luo, B. Li, M. Aurela, D. Billesbach, P. D. Blanken, R. Bracho, J. Chen, and M. Fischer (2016), Direct and indirect effects of climatic variations on the interannual variability in net ecosystem exchange across terrestrial ecosystems, Tellus B, 68, 30,575.
Sievering, H., T. Kelly, G. McConville, C. Seibold, and A. Turnipseed (2001), Nitric acid dry deposition to conifer forests: Niwot Ridge spruce–fir–pine study, Atmos. Environ., 35(22), 3851–3859.
Suni, T., F. Berninger, T. Vesala, T. Markkanen, P. Hari, A. Mäkelä, H. Ilvesniemi, H. Hänninen, E. Nikinmaa, and T. Huttula (2003), Air temperature triggers the recovery of evergreen boreal forest photosynthesis in spring, Global Change Biol., 9(10), 1410–1426.
Thomas, C. K., B. E. Law, J. Irvine, J. G. Martin, J. C. Pettijohn, and K. J. Davis (2009), Seasonal hydrology explains interannual and seasonal variation in carbon and water exchange in a semiarid mature ponderosa pine forest in central Oregon, J. Geophys. Res., 114, G04006, doi:10.1029/2009JG001010.
Urbanski, S., C. Barford, S. Wofsy, C. Kucharik, E. Pyle, J. Budney, K. McKain, D. Fitzjarrald, M. Czikowsky, and J. Munger (2007), Factors controlling CO2 exchange on time scales from hourly to decadal at Harvard Forest, J. Geophys. Res., 112, G02020, doi:10.1029/2006JG000293.
Wolf, S., W. Eugster, C. Ammann, M. Hani, S. Zielis, R. Hiller, J. Stieger, D. Imer, L. Merbold, and N. Buchmann (2013), Contrasting response of grassland versus forest carbon and water fluxes to spring drought in Switzerland, Environ. Res. Lett., 8(3), 035007, doi:10.1088/1748-9326/8/3/035007.
Wu, C., et al. (2013), Inter-annual variability of net ecosystem productivity in forests is explained by carbon flux phenology in autumn, Global Ecol. Biogeogr., 22, 994–1006.
Wu, J., L. van der Linden, G. Lasslop, N. Carvalhais, K. Pilegaard, C. Beier, and A. Ibrom (2012), Effects of climate variability and functional changes on the inter-annual variation of the carbon balance in a temperate deciduous forest, Biogeosciences, 9(1), 13–28.
Zielis, S., S. Etzold, R. Zweifel, W. Eugster, M. Haeni, and N. Buchmann (2014), NEP of a Swiss subalpine forest is significantly driven not only by current but also by previous year's weather, Biogeosciences, 11, 1627–1635.
Zweifel, R., and R. Hasler (2000), Frost-induced reversible shrinkage of bark of mature subalpine conifers, Agric. For. Meteorol., 102(4), 213–222, doi:10.1016/S0168-1923(00)00135-0.
Zweifel, R., H. Item, and R. Hasler (2000), Stem radius changes and their relation to stored water in stems of young Norway spruce trees, Trees-Struct. Funct., 15(1), 50–57, doi:10.1007/s004680000072.
Zweifel, R., L. Zimmermann, F. Zeugin, and D. M. Newbery (2006), Intra-annual radial growth and water relations of trees: Implications towards a growth mechanism, J. Exp. Bot., 57(6), 1445–1459, doi:10.1093/jxb/erj125.
Zweifel, R., W. Eugster, S. Etzold, M. Dobbertin, N. Buchmann, and R. Hasler (2010), Link between continuous stem radius changes and net ecosystem productivity of a subalpine Norway spruce forest in the Swiss Alps, New Phytol., 187(3), 819–830, doi:10.1111/j.1469-8137.2010.03301.x.