Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/28172
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dc.contributor.authorSjogersten, Sofieen_UK
dc.contributor.authorTurner, Benjamin Len_UK
dc.contributor.authorMahieu, Nathalieen_UK
dc.contributor.authorCondron, Leo Men_UK
dc.contributor.authorWookey, Philipen_UK
dc.date.accessioned2018-11-09T10:28:08Z-
dc.date.available2018-11-09T10:28:08Z-
dc.date.issued2003-05-31en_UK
dc.identifier.urihttp://hdl.handle.net/1893/28172-
dc.description.abstractWe studied soil organic carbon (C) chemistry at the mountain birch forest-tundra ecotone in three regions of the Fennoscandian mountain range with comparable vegetation cover but contrasting degrees of continentality and latitude. The aim of the study was to identify functional compound classes and their relationships to decomposition and spatial variation across the ecotone and latitudinal gradient. Solid-state 13C nuclear magnetic resonance (CPMAS 13C NMR) was used to identify seven functional groups of soil organic C: alkyls, N-alkyls, O-alkyls, acetals, aromatics, phenolics and carboxyls. N-alkyls, O-alkyls and acetals are generally considered labile substrates for a large number of saprotrophic fungi and bacteria, whilst phenolics and aromatics are mainly decomposed by lignolytic organisms and contribute to the formation of soil organic matter together with aliphatic alkyls and carboxyls. All soils contained a similar proportional distribution of functional groups, although relatively high amounts of N-alkyls, O-alkyls and acetals were present in comparison to earlier published studies, suggesting that large amounts of soil C were potentially vulnerable to microbial degradation. Soil organic matter composition was different at the most southerly site (Dovrefjell, Norway), compared with the two more northerly sites (Abisko, Sweden, and Joatka, Norway), with higher concentrations of aromatics and phenolics, as well as pronounced differences in alkyl concentrations between forest and tundra soils. Clear differences between mountain birch forest and tundra heath soil was noted, with generally higher concentrations of labile carbon present in tundra soils. We conclude that, although mesic soils around the forest-tundra ecotone in Fennoscandia are a potential source of C to the atmosphere in a changing environment, the response is likely to vary between comparable ecosystems in relation to latitude and continentality as well as soil properties especially soil nitrogen content and pH.en_UK
dc.language.isoenen_UK
dc.publisherWileyen_UK
dc.relationSjogersten S, Turner BL, Mahieu N, Condron LM & Wookey P (2003) Soil organic matter biochemistry and potential susceptibility to climatic change across the forest-tundra ecotone in the Fennoscandian mountains. Global Change Biology, 9 (5), pp. 759-772. https://doi.org/10.1046/j.1365-2486.2003.00598.xen_UK
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.rights.urihttp://www.rioxx.net/licenses/under-embargo-all-rights-reserveden_UK
dc.subjectClimate changeen_UK
dc.subjectCPMAS 13C NMRen_UK
dc.subjectdecompositionen_UK
dc.subjectecotoneen_UK
dc.subjectFennoscandiaen_UK
dc.subjectsoil organic matteren_UK
dc.titleSoil organic matter biochemistry and potential susceptibility to climatic change across the forest-tundra ecotone in the Fennoscandian mountainsen_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2999-12-31en_UK
dc.rights.embargoreason[SJ-GERSTEN_et_al-2003-Global_Change_Biology.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.identifier.doi10.1046/j.1365-2486.2003.00598.xen_UK
dc.citation.jtitleGlobal Change Biologyen_UK
dc.citation.issn1365-2486en_UK
dc.citation.issn1354-1013en_UK
dc.citation.volume9en_UK
dc.citation.issue5en_UK
dc.citation.spage759en_UK
dc.citation.epage772en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.author.emailphilip.wookey1@stir.ac.uken_UK
dc.citation.date06/05/2003en_UK
dc.contributor.affiliationUppsala Universityen_UK
dc.contributor.affiliationU.S. Department of Agricultureen_UK
dc.contributor.affiliationQueen Mary, University of Londonen_UK
dc.contributor.affiliationLincoln Universityen_UK
dc.contributor.affiliationUppsala Universityen_UK
dc.identifier.isiWOS:000182653700010en_UK
dc.identifier.scopusid2-s2.0-0038660209en_UK
dc.identifier.wtid524192en_UK
dc.contributor.orcid0000-0001-5957-6424en_UK
dc.date.accepted2002-09-26en_UK
dcterms.dateAccepted2002-09-26en_UK
dc.date.filedepositdate2018-11-06en_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorSjogersten, Sofie|en_UK
local.rioxx.authorTurner, Benjamin L|en_UK
local.rioxx.authorMahieu, Nathalie|en_UK
local.rioxx.authorCondron, Leo M|en_UK
local.rioxx.authorWookey, Philip|0000-0001-5957-6424en_UK
local.rioxx.projectInternal Project|University of Stirling|https://isni.org/isni/0000000122484331en_UK
local.rioxx.freetoreaddate2253-04-07en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/under-embargo-all-rights-reserved||en_UK
local.rioxx.filenameSJ-GERSTEN_et_al-2003-Global_Change_Biology.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source1354-1013en_UK
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