File:Schematic-representation-of-the-major-components-of-the-forest-carbon-cycle.jpg

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Carbon cycle in forest ecosystem

Summary[edit]

Description
English: Schematic representation of the major components of the forest carbon cycle. Ra aboveground and Ra belowground : above- and belowground autotrophic respiration, respectively (their sum is indicated as Ra); Rh-soil and Rh-cwd: heterotrophic respiration from soil and coarse woody debris, respectively (their sum is indicated as Rh); NPP aboveground and NPP belowground : above- and belowground net primary production, respectively (their sum is indicated as NPP); Reco: ecosystem respiration (Reco=Ra+Rh); GPP: gross primary production (GPP=NPP+Ra), and NEP: net ecosystem production (NEP=GPP−Reco=NPP−Rh). Each flux is associated with an arrow. Arrows pointing down indicate carbon (C) uptake, arrows pointing up indicate C release, whereas the up-down arrow indicates that both C release and C uptake can occur. The dark blue arrow indicates NEP, the mid-blue arrows indicate the primary components of NEP (Reco and GPP), whereas the light blue arrows indicate the components of Reco and GPP.
Date
Source M. Campioli et. al. "Evaluating the convergence between eddy-covariance and biometric methods for assessing carbon budgets of forests", Nature Communications doi:10.1038/ncomms13717
Author M. Campioli, Y. Malhi, S. Vicca, S. Luyssaert, D. Papale, J. Peñuelas, M. Reichstein, M. Migliavacca, M. A. Arain, I. A. Janssens
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