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dc.contributor.authorRoyles, Jessica
dc.contributor.authorYoung, Sophie
dc.contributor.authorGriffiths, Howard
dc.date.accessioned2022-02-20T02:02:37Z
dc.date.available2022-02-20T02:02:37Z
dc.date.issued2022-01-26
dc.identifier.issn0962-8452
dc.identifier.otherPMC8767200
dc.identifier.other35042415
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/334241
dc.description.abstractLiving moss biomass and archival peat deposits represent key indicators of present and past climatic conditions, but prediction of future climatic impacts requires appropriate marker species to be characterized under a range of contemporary conditions. Stable isotope signals in high latitude moss deposits offer potential climatic proxies. Seasonal changes in δ13C and δ18O of organic material (cellulose) in representative functional groups, and associated photosynthetic activity (as chlorophyll fluorescence) have been compared across East Anglia, UK, as a function of tissue water content. Representative species from contrasting acid bog, heathland, and fen woodland habitats were selected for monthly sampling of recent growth tissues between spring 2017 and autumn 2018, with isotopic signals in purified cellulose compared with tissue water, precipitation, and nearby groundwater signals. Sphagnum and Polytrichum groups, which tend to dominate peat formation, provided contrasting and complementary indicators of seasonal variations in carbon assimilation. Cellulose δ18O signals from Sphagnum spp. demonstrate seasonal variations in source precipitation inputs; carbon isotope signals in Polytrichum spp. indicate evaporative demand and photosynthetic limitation.
dc.languageeng
dc.publisherThe Royal Society
dc.rightsAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourcenlmid: 101245157
dc.sourceessn: 1471-2954
dc.subjectChlorophyll fluorescence
dc.subjectΔ13c
dc.subjectΔ18o
dc.subjectPolytrichales
dc.subjectDicranum Scoparium
dc.subjectSphagnum Spp.
dc.titleStable isotope signals provide seasonal climatic markers for moss functional groups.
dc.typeArticle
dc.date.updated2022-02-20T02:02:36Z
prism.issueIdentifier1967
prism.publicationNameProc Biol Sci
prism.volume289
dc.identifier.doi10.17863/CAM.81654
dcterms.dateAccepted2021-12-08
rioxxterms.versionofrecord10.1098/rspb.2021.2470
rioxxterms.versionVoR
rioxxterms.licenseref.urihttps://creativecommons.org/licenses/by/4.0/
dc.contributor.orcidRoyles, Jessica [0000-0003-0489-6863]
dc.identifier.eissn1471-2954
pubs.funder-project-idNatural Environment Research Council (NE/H014632/1)
pubs.funder-project-idNatural Environment Research Council (NE/M001946/1)
cam.issuedOnline2022-01-19


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Attribution 4.0 International
Except where otherwise noted, this item's licence is described as Attribution 4.0 International