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The temperature dependence of organic-matter decomposition - still a topic of debate

Kirschbaum, Miko

Description

The temperature dependence of organic matter decomposition is of considerable ecosphysiological importance, especially in the context of possible climate-change feedback effects. It effectively controls whether, or how much, carbon will be released with global warming, and to what extent that release of carbon constitutes a dangerous positive feedback effect that leads to further warming. The present paper is an invited contribution in a series of Citation Classics based on a review paper of...[Show more]

dc.contributor.authorKirschbaum, Miko
dc.date.accessioned2015-12-08T22:11:00Z
dc.identifier.issn0038-0717
dc.identifier.urihttp://hdl.handle.net/1885/29609
dc.description.abstractThe temperature dependence of organic matter decomposition is of considerable ecosphysiological importance, especially in the context of possible climate-change feedback effects. It effectively controls whether, or how much, carbon will be released with global warming, and to what extent that release of carbon constitutes a dangerous positive feedback effect that leads to further warming. The present paper is an invited contribution in a series of Citation Classics based on a review paper of the temperature dependence of organic matter decomposition that was published in 1995. It discusses the context and main findings of the 1995 study, the progress has been made since then and what issues still remain unresolved. Despite the continuation of much further experimental work and repeated publication of summary articles, there is still no scientific consensus on the temperature dependence of organic matter decomposition. It is likely that this lack of consensus is largely due to different studies referring to different experimental conditions where confounding factors play a greater or lesser role. Substrate availability is particularly important. If it changes during the course of measurements, it can greatly confound the derived apparent temperature dependence. This confounding effect is illustrated through simulations and examples of experimental work drawn from the literature. The paper speculates that much of the current disagreement between studies might disappear if different studies would ensure that they are all studying the same system attributes, and if confounding factors were always considered and, if possible, eliminated.
dc.publisherPergamon-Elsevier Ltd
dc.sourceSoil Biology and Biochemistry
dc.subjectKeywords: Biological materials; Computer simulation; Decomposition; Ecology; Soil respiration; Temperature sensitivity; Climate change; climate change; climate effect; decomposition; organic matter; soil carbon; soil respiration; temperature tolerance Carbon; Climate change; Soil respiration; Substrate; Temperature sensitivity
dc.titleThe temperature dependence of organic-matter decomposition - still a topic of debate
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume38
dc.date.issued2006
local.identifier.absfor050303 - Soil Biology
local.identifier.ariespublicationu9204316xPUB66
local.type.statusPublished Version
local.contributor.affiliationKirschbaum, Miko, College of Medicine, Biology and Environment, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.startpage2510
local.bibliographicCitation.lastpage2518
local.identifier.doi10.1016/j.soilbio.2006.01.030
dc.date.updated2015-12-08T07:37:47Z
local.identifier.scopusID2-s2.0-34247271115
CollectionsANU Research Publications

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