Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/23990
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dc.contributor.authorParker, Thomasen_UK
dc.contributor.authorSadowsky, Jesseen_UK
dc.contributor.authorDunleavy, Haleyen_UK
dc.contributor.authorSubke, Jens-Arneen_UK
dc.contributor.authorFrey, Seritaen_UK
dc.contributor.authorWookey, Philipen_UK
dc.date.accessioned2017-07-14T00:21:20Z-
dc.date.available2017-07-14T00:21:20Z-
dc.date.issued2017-03en_UK
dc.identifier.urihttp://hdl.handle.net/1893/23990-
dc.description.abstractSub-arctic birch forests (Betula pubescens Ehrh. ssp. czerepanovii) periodically suffer large-scale defoliation events caused by the caterpillars of the geometrid moths Epirrita autumnata and Operophtera brumata. Despite their obvious influence on ecosystem primary productivity, little is known about how the associated reduction in belowground C allocation affects soil processes. We quantified the soil response following a natural defoliation event in sub-arctic Sweden by measuring soil respiration, nitrogen availability and ectomycorrhizal fungi (EMF) hyphal production and root tip community composition. There was a reduction in soil respiration and an accumulation of soil inorganic N in defoliated plots, symptomatic of a slow-down of soil processes. This coincided with a reduction of EMF hyphal production and a shift in the EMF community to lower autotrophic C-demanding lineages (e.g. /russula-lactarius). We show that microbial and nutrient cycling processes shift to a slower, less C-demanding state in response to canopy defoliation. We speculate that, amongst other factors, a reduction in the potential of EMF biomass to immobilize excess mineral nitrogen resulted in its build-up in the soil. These defoliation events are becoming more geographically widespread with climate warming, and could result in a fundamental shift in sub-arctic ecosystem processes and properties. EMF fungi may be important in mediating the response of soil cycles to defoliation and their role merits further investigation.en_UK
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.relationParker T, Sadowsky J, Dunleavy H, Subke J, Frey S & Wookey P (2017) Slowed biogeochemical cycling in sub-arctic birch forest linked to reduced mycorrhizal growth and community change after a defoliation event. Ecosystems, 20 (2), pp. 316-330. https://doi.org/10.1007/s10021-016-0026-7en_UK
dc.rights© The Author(s) 2016 This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.en_UK
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_UK
dc.subjectDefoliationen_UK
dc.subjectNitrogenen_UK
dc.subjectCarbonen_UK
dc.subjectBirch foresten_UK
dc.subjectSub-arcticen_UK
dc.subjectEctomycorrhizal fungien_UK
dc.subjectCommunity Changeen_UK
dc.titleSlowed biogeochemical cycling in sub-arctic birch forest linked to reduced mycorrhizal growth and community change after a defoliation eventen_UK
dc.typeJournal Articleen_UK
dc.identifier.doi10.1007/s10021-016-0026-7en_UK
dc.citation.jtitleEcosystemsen_UK
dc.citation.issn1435-0629en_UK
dc.citation.issn1432-9840en_UK
dc.citation.volume20en_UK
dc.citation.issue2en_UK
dc.citation.spage316en_UK
dc.citation.epage330en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.author.emailjens-arne.subke@stir.ac.uken_UK
dc.citation.date25/08/2016en_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationUniversity of New Hampshire, USAen_UK
dc.contributor.affiliationUniversity of New Hampshire, USAen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationUniversity of New Hampshire, USAen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.identifier.isiWOS:000395868200013en_UK
dc.identifier.scopusid2-s2.0-84983431742en_UK
dc.identifier.wtid554561en_UK
dc.contributor.orcid0000-0002-3648-5316en_UK
dc.contributor.orcid0000-0001-9244-639Xen_UK
dc.contributor.orcid0000-0001-5957-6424en_UK
dc.date.accepted2016-06-23en_UK
dcterms.dateAccepted2016-06-23en_UK
dc.date.filedepositdate2016-07-29en_UK
rioxxterms.apcpaiden_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorParker, Thomas|0000-0002-3648-5316en_UK
local.rioxx.authorSadowsky, Jesse|en_UK
local.rioxx.authorDunleavy, Haley|en_UK
local.rioxx.authorSubke, Jens-Arne|0000-0001-9244-639Xen_UK
local.rioxx.authorFrey, Serita|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.freetoreaddate2016-08-25en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/under-embargo-all-rights-reserved||2016-08-25en_UK
local.rioxx.licencehttp://creativecommons.org/licenses/by/4.0/|2016-08-25|en_UK
local.rioxx.filenameParker_etal_Ecosystems_2017.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source1432-9840en_UK
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