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Heterotrophic Respiration and the Divergence of Productivity and Carbon Sequestration

dc.rights.licenseopenen_US
dc.contributor.authorNOORMETS, Asko
dc.contributor.authorBRACHO, Rosvel
dc.contributor.authorWARD, Eric
dc.contributor.authorSEILER, John
dc.contributor.authorSTRAHM, Brian
dc.contributor.authorLIN, Wen
dc.contributor.authorMCELLIGOTT, Kristin
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorDOMEC, Jean-Christophe
ORCID: 0000-0003-0478-2559
IDREF: 195495667
dc.contributor.authorGONZALEZ‐BENECKE, Carlos
dc.contributor.authorJOKELA, Eric J.
dc.contributor.authorMARKEWITZ, Daniel
dc.contributor.authorMEEK, Cassandra
dc.contributor.authorMIAO, Guofang
dc.contributor.authorMCNULTY, Steve G.
dc.contributor.authorKING, John S.
dc.contributor.authorSAMUELSON, Lisa
dc.contributor.authorSUN, Ge
dc.contributor.authorTESKEY, Robert
dc.contributor.authorVOGEL, Jason
dc.contributor.authorWILL, Rodney
dc.contributor.authorYANG, Jinyan
dc.contributor.authorMARTIN, Timothy A.
dc.date.accessioned2023-11-30T11:38:24Z
dc.date.available2023-11-30T11:38:24Z
dc.date.issued2021-04-16
dc.identifier.issn0094-8276en_US
dc.identifier.urioai:crossref.org:10.1029/2020gl092366
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/186272
dc.description.abstractEnAbstractNet primary productivity (NPP) and net ecosystem production (NEP) are often used interchangeably, as their difference, heterotrophic respiration (soil heterotrophic CO2 efflux, RSH = NPP−NEP), is assumed a near‐fixed fraction of NPP. Here, we show, using a range‐wide replicated experimental study in loblolly pine (Pinus taeda) plantations that RSH responds differently than NPP to fertilization and drought treatments, leading to the divergent responses of NPP and NEP. Across the natural range of the species, the moderate responses of NPP (+11%) and RSH (−7%) to fertilization combined such that NEP increased nearly threefold in ambient control and 43% under drought treatment. A 13% decline in RSH under drought led to a 26% increase in NEP while NPP was unaltered. Such drought benefit for carbon sequestration was nearly twofold in control, but disappeared under fertilization. Carbon sequestration efficiency, NEP:NPP, varied twofold among sites, and increased up to threefold under both drought and fertilization.
dc.language.isoENen_US
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/us/*
dc.sourcecrossref
dc.title.enHeterotrophic Respiration and the Divergence of Productivity and Carbon Sequestration
dc.title.alternativeGeophys Res Letten_US
dc.typeArticle de revueen_US
dc.identifier.doi10.1029/2020gl092366en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalGeophysical Research Lettersen_US
bordeaux.volume48en_US
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391en_US
bordeaux.issue7en_US
bordeaux.institutionBordeaux Sciences Agroen_US
bordeaux.institutionINRAEen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04315610
hal.version1
hal.date.transferred2023-11-30T11:38:27Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Geophysical%20Research%20Letters&rft.date=2021-04-16&rft.volume=48&rft.issue=7&rft.eissn=0094-8276&rft.issn=0094-8276&rft.au=NOORMETS,%20Asko&BRACHO,%20Rosvel&WARD,%20Eric&SEILER,%20John&STRAHM,%20Brian&rft.genre=article


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