Temperature thresholds of ecosystem respiration at a global scale

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dc.contributor.authorJohnston, Alice S. A.
dc.contributor.authorMeade, Andrew
dc.contributor.authorArdö, Jonas
dc.contributor.authorArriga, Nicola
dc.contributor.authorBlack, Andy
dc.contributor.authorBlanken, Peter D.
dc.contributor.authorBonal, Damien
dc.contributor.authorBrümmer, Christian
dc.contributor.authorCescatti, Alessandro
dc.contributor.authorDušek, Jiří
dc.contributor.authorGraf, Alexander
dc.contributor.authorGioli, Beniamino
dc.contributor.authorGoded, Ignacio
dc.contributor.authorGough, Christopher M.
dc.contributor.authorIkawa, Hiroki
dc.contributor.authorJassal, Rachhpal
dc.contributor.authorKobayashi, Hideki
dc.contributor.authorMagliulo, Vincenzo
dc.contributor.authorManca, Giovanni
dc.contributor.authorMontagnani, Leonardo
dc.contributor.authorMoyano, Fernando E.
dc.contributor.authorOlesen, Jørgen E.
dc.contributor.authorSachs, Torsten
dc.contributor.authorShao, Changliang
dc.contributor.authorTagesson, Torbern
dc.contributor.authorWohlfahrt, Georg
dc.contributor.authorWolf, Sebastian
dc.contributor.authorWoodgate, William
dc.contributor.authorVarlagin, Andrej
dc.contributor.authorVenditti, Chris
dc.date.accessioned2021-02-23T16:26:01Z
dc.date.available2021-02-23T16:26:01Z
dc.date.issued2021-02-22
dc.description.abstractEcosystem respiration is a major component of the global terrestrial carbon cycle and is strongly influenced by temperature. The global extent of the temperature–ecosystem respiration relationship, however, has not been fully explored. Here, we test linear and threshold models of ecosystem respiration across 210 globally distributed eddy covariance sites over an extensive temperature range. We find thresholds to the global temperature–ecosystem respiration relationship at high and low air temperatures and mid soil temperatures, which represent transitions in the temperature dependence and sensitivity of ecosystem respiration. Annual ecosystem respiration rates show a markedly reduced temperature dependence and sensitivity compared to half-hourly rates, and a single mid-temperature threshold for both air and soil temperature. Our study indicates a distinction in the influence of environmental factors, including temperature, on ecosystem respiration between latitudinal and climate gradients at short (half-hourly) and long (annual) timescales. Such climatological differences in the temperature sensitivity of ecosystem respiration have important consequences for the terrestrial net carbon sink under ongoing climate change.en_UK
dc.identifier.citationJohnston ASA, Meade A, Ardö J, et al., (2021) ) Temperature thresholds of ecosystem respiration at a global scale. Nature Ecology and Evolution, Volume 5, April 2021, pp. 487-494en_UK
dc.identifier.issn2397-334X
dc.identifier.urihttps://doi.org/10.1038/s41559-021-01398-z
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/16395
dc.language.isoenen_UK
dc.publisherNature Publishingen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectEcosystem ecologyen_UK
dc.titleTemperature thresholds of ecosystem respiration at a global scaleen_UK
dc.typeArticleen_UK

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