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dc.contributor.author
Torres-Sallan, Gemma
dc.contributor.author
Schulte, Rogier P.O.
dc.contributor.author
Lanigan, Gary J.
dc.contributor.author
Byrne, Kenneth A.
dc.contributor.author
Reidy, Brian
dc.contributor.author
Simó, Iolanda
dc.contributor.author
Six, Johan
dc.contributor.author
Creamer, Rachel E.
dc.date.accessioned
2018-10-11T16:11:19Z
dc.date.available
2017-06-12T20:52:02Z
dc.date.available
2018-10-11T16:11:19Z
dc.date.issued
2017-04-06
dc.identifier.other
10.1038/srep45635
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/130435
dc.identifier.doi
10.3929/ethz-b-000130435
dc.description.abstract
Soil plays a key role in the global carbon (C) cycle. Most current assessments of SOC stocks and the guidelines given by Intergovernmental Panel on Climate Change (IPCC) focus on the top 30 cm of soil. Our research shows that, when considering only total quantities, most of the SOC stocks are found in this top layer. However, not all forms of SOC are equally valuable as long-term stable stores of carbon: the majority of SOC is available for mineralisation and can potentially be re-emitted to the atmosphere. SOC associated with micro-aggregates and silt plus clay fractions is more stable and therefore represents a long-term carbon store. Our research shows that most of this stable carbon is located at depths below 30 cm (42% of subsoil SOC is located in microaggregates and silt and clay, compared to 16% in the topsoil), specifically in soils that are subject to clay illuviation. This has implications for land management decisions in temperate grassland regions, defining the trade-offs between primary productivity and C emissions in clay-illuviated soils, as a result of drainage. Therefore, climate smart land management should consider the balance between SOC stabilisation in topsoils for productivity versus sequestration in subsoils for climate mitigation.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Nature Publishing Group
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
Carbon cycle
en_US
dc.subject
Environmental chemistry
en_US
dc.title
Clay illuviation provides a long-term sink for C sequestration in subsoils
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
ethz.journal.title
Scientific Reports
ethz.journal.volume
7
en_US
ethz.pages.start
45635
en_US
ethz.size
7 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.identifier.nebis
006751867
ethz.publication.place
London
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03982 - Six, Johan / Six, Johan
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03982 - Six, Johan / Six, Johan
ethz.date.deposited
2017-06-12T20:53:11Z
ethz.source
ECIT
ethz.identifier.importid
imp593655686222479223
ethz.ecitpid
pub:193441
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-15T20:45:41Z
ethz.rosetta.lastUpdated
2019-01-02T14:28:21Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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