CO2 balance of boreal, temperate, and tropical forests derived from a global database

Luyssaert Sebastiaan, Inglima I., Jung Mathide, Richardson Andrew D., Reichstein Markus, Papale Dario, Piao S.L., Schulze Ernst-Detlef, Wingate L., Matteucci G., Aragao Luiz E.O.C., Aubinet Marc, Beers C., Bernhofer Christian, Black G.K., Bonal Damien, Bonnefond Jean-Marc, Chambers J., Ciais Philippe, Cook B., Davis K.S., Dolman A. Johannes, Gielen Bert, Goulden M., Grace J., Granier André, Grelle A., Griffis T., Grünwald Thomas, Guidolotti G., Hanson P. J., Harding R., Hollinger David Y., Hutyra L.R., Kolari Pasi, Kruijt Bart, Kutsch Werner L., Lagergren F., Laurila Tuomas, Law Bev, Le Maire Guerric, Lindroth Anders, Loustau Denis, Malhi Yadvinder, Mateu J., Migliavacca Mirco, Misson Laurent, Montagnani Leonardo, Moncrieff J., Moors Eddy J., Munger J. William, Nikinmaa Eero, Ollinger S.V., Pita G., Rebmann Corinna, Roupsard Olivier. 2007. CO2 balance of boreal, temperate, and tropical forests derived from a global database. Global Change Biology, 13 (12) : pp. 2509-2537.

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Abstract : Terrestrial ecosystems sequester 2.1 Pg of atmospheric carbon annually. A large amount of the terrestrial sink is realized by forests. However, considerable uncertainties remain regarding the fate of this carbon over both short and long timescales. Relevant data to address these uncertainties are being collected at many sites around the world, but syntheses of these data are still sparse. To facilitate future synthesis activities, we have assembled a comprehensive global database for forest ecosystems, which includes carbon budget variables (fluxes and stocks), ecosystem traits (e.g. leaf area index, age), as well as ancillary site information such as management regime, climate, and soil characteristics. This publicly available database can be used to quantify global, regional or biome-specific carbon budgets; to re-examine established relationships; to test emerging hypotheses about ecosystem functioning [e.g. a constant net ecosystem production (NEP) to gross primary production (GPP) ratio]; and as benchmarks for model evaluations. In this paper, we present the first analysis of this database. We discuss the climatic influences on GPP, net primary production (NPP) and NEP and present the CO2 balances for boreal, temperate, and tropical forest biomes based on micrometeorological, ecophysiological, and biometric flux and inventory estimates. Globally, GPP of forests benefited from higher temperatures and precipitation whereas NPP saturated above either a threshold of 1500 mm precipitation or a mean annual temperature of 10°C. The global pattern in NEP was insensitive to climate and is hypothesized to be mainly determined by nonclimatic conditions such as successional stage, management, site history, and site disturbance. In all biomes, closing the CO2 balance required the introduction of substantial biome-specific closure terms. Nonclosure was taken as an indication that respiratory processes, advection, and non-CO2 carbon fluxes are not presently being adequately accounted for. (Résumé d'auteur)

Mots-clés géographiques Agrovoc : Monde

Classification Agris : F40 - Plant ecology
C30 - Documentation and information
P40 - Meteorology and climatology

Champ stratégique Cirad : Axe 6 (2005-2013) - Agriculture, environnement, nature et sociétés

Auteurs et affiliations

  • Luyssaert Sebastiaan, University of Antwerp (BEL)
  • Inglima I., Université de Naples 2 (ITA)
  • Jung Mathide, Max Planck Institut für Biogeochemie (DEU)
  • Richardson Andrew D., University of New Hampshire (USA)
  • Reichstein Markus, Max Planck Institut für Biogeochemie (DEU)
  • Papale Dario, Università degli studi della Tuscia (ITA)
  • Piao S.L., CNRS (FRA)
  • Schulze Ernst-Detlef, Max Planck Institut für Biogeochemie (DEU)
  • Wingate L., University of Edinburgh (GBR)
  • Matteucci G., ISAFOM (ITA)
  • Aragao Luiz E.O.C., OUCE (GBR)
  • Aubinet Marc, FUSAGx (BEL)
  • Beers C., Max Planck Institut für Biogeochemie (DEU)
  • Bernhofer Christian, Technische Universität Dresden (DEU)
  • Black G.K., University College of Dublin (IRL)
  • Bonal Damien, INRA (GUF)
  • Bonnefond Jean-Marc, INRA (FRA)
  • Chambers J., Tulane University (USA)
  • Ciais Philippe, CNRS (FRA)
  • Cook B., University of Minnesota (USA)
  • Davis K.S., Pennsylvania State University (USA)
  • Dolman A. Johannes, Vrije Universiteit (NLD)
  • Gielen Bert, University of Antwerp (BEL)
  • Goulden M., UC (USA)
  • Grace J., University of Edinburgh (GBR)
  • Granier André, INRA (FRA)
  • Grelle A., Swedish University of Agricultural Sciences (SWE)
  • Griffis T., University of Minnesota (USA)
  • Grünwald Thomas, Technische Universität Dresden (DEU)
  • Guidolotti G., Università degli studi della Tuscia (ITA)
  • Hanson P. J., Oak Ridge National Laboratory (USA)
  • Harding R., CEH (GBR)
  • Hollinger David Y., USDA (USA)
  • Hutyra L.R., Harvard University (USA)
  • Kolari Pasi, University of Helsinki (FIN)
  • Kruijt Bart, Alterra (NLD)
  • Kutsch Werner L., Max Planck Institut für Biogeochemie (DEU)
  • Lagergren F., Oak Ridge National Laboratory (USA)
  • Laurila Tuomas, Finnish meteorological institute (FIN)
  • Law Bev, Oregon State University (USA)
  • Le Maire Guerric, CNRS (FRA) ORCID: 0000-0002-5227-958X
  • Lindroth Anders, University of Lund (SWE)
  • Loustau Denis, INRA (FRA)
  • Malhi Yadvinder, OUCE (GBR)
  • Mateu J., Instituto superior tecnico (PRT)
  • Migliavacca Mirco, Università degli studi di Milano (ITA)
  • Misson Laurent, CNRS (FRA)
  • Montagnani Leonardo, University of Lund (SWE)
  • Moncrieff J., University of Edinburgh (GBR)
  • Moors Eddy J., Alterra (NLD)
  • Munger J. William, Harvard University (USA)
  • Nikinmaa Eero, University of Helsinki (FIN)
  • Ollinger S.V., University of New Hampshire (USA)
  • Pita G., Instituto superior tecnico (PRT)
  • Rebmann Corinna, Max Planck Institut für Biogeochemie (DEU)
  • Roupsard Olivier, CIRAD-PERSYST-UPR Ecosystèmes de plantations (VUT)

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