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dc.contributor.authorCiais, Philippe
dc.contributor.authorYao, Yitong
dc.contributor.authorGasser, Thomas
dc.contributor.authorBaccini, Alessandro
dc.contributor.authorWang, Yilong
dc.contributor.authorLauerwald, Ronny
dc.contributor.authorPeng, Shushi
dc.contributor.authorBastos, Ana
dc.contributor.authorLi, Wei
dc.contributor.authorRaymond, Peter A
dc.contributor.authorCanadell, Josep G.
dc.contributor.authorPeters, Glen Philip
dc.contributor.authorAndres, Robert J.
dc.contributor.authorChang, Jinfeng
dc.contributor.authorYue, Chao
dc.contributor.authorDolman, A. Johannes
dc.contributor.authorHaverd, Vanessa
dc.contributor.authorHartmann, Jens
dc.contributor.authorLaruelle, Goulven
dc.contributor.authorKonings, Alexandra G
dc.contributor.authorKing, Anthony W
dc.contributor.authorLiu, Yi
dc.contributor.authorLuyssaert, Sebastiaan
dc.contributor.authorMaignan, Fabienne
dc.contributor.authorPatra, Prabir K.
dc.contributor.authorPeregon, Anna
dc.contributor.authorRegnier, Pierre
dc.contributor.authorPongratz, Julia
dc.contributor.authorPoulter, Ben
dc.contributor.authorShvidenko, Anatoly
dc.contributor.authorValentini, Riccardo
dc.contributor.authorWang, Rong
dc.contributor.authorBroquet, Grégoire
dc.contributor.authorYin, Yi
dc.contributor.authorZscheischler, Jakob
dc.contributor.authorGuenet, Bertrand
dc.contributor.authorGoll, Daniel S.
dc.contributor.authorBallantyne, Ashley P.
dc.contributor.authorYang, Hui
dc.contributor.authorQiu, Chunjing
dc.contributor.authorZhu, Dan
dc.identifier.citationNational Science Review. 2021, 8 (2), .en_US
dc.description.abstractResolving regional carbon budgets is critical for informing land-based mitigation policy. For nine regions covering nearly the whole globe, we collected inventory estimates of carbon-stock changes complemented by satellite estimates of biomass changes where inventory data are missing. The net land–atmospheric carbon exchange (NEE) was calculated by taking the sum of the carbon-stock change and lateral carbon fluxes from crop and wood trade, and riverine-carbon export to the ocean. Summing up NEE from all regions, we obtained a global ‘bottom-up’ NEE for net land anthropogenic CO2 uptake of –2.2 ± 0.6 PgC yr−1 consistent with the independent top-down NEE from the global atmospheric carbon budget during 2000–2009. This estimate is so far the most comprehensive global bottom-up carbon budget accounting, which set up an important milestone for global carbon-cycle studies. By decomposing NEE into component fluxes, we found that global soil heterotrophic respiration amounts to a source of CO2 of 39 PgC yr−1 with an interquartile of 33–46 PgC yr−1—a much smaller portion of net primary productivity than previously reported.en_US
dc.publisherOxford Academicen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.subjectcarbon budgeten_US
dc.subjecthuman appropriation of ecosystemsen_US
dc.subjectsoil carbonen_US
dc.titleEmpirical estimates of regional carbon budgets imply reduced global soil heterotrophic respirationen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.source.journalNational Science Reviewen_US

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