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dc.contributor.authorVallack, Harry Wen_UK
dc.contributor.authorLeronni, Vincenzoen_UK
dc.contributor.authorMetcalfe, Daniel Ben_UK
dc.contributor.authorHogberg, Peteren_UK
dc.contributor.authorIneson, Philen_UK
dc.contributor.authorSubke, Jens-Arneen_UK
dc.description.abstractAims: There is evidence that increased N inputs to boreal forests, via atmospheric deposition or intentional fertilization, may impact negatively on ectomycorrhizal (ECM) fungi leading to a reduced flux of plant- derived carbon (C) back to the atmosphere via ECM. Our aim was to investigate the impact of N fertilization of a Pinus sylvestris (L.) forest stand on the return of recently photoassimilated C via the ECM component of soil respiration. Methods: We used an in situ, large-scale, 13C-CO2 isotopic pulse labelling approach and monitored the 13C label return using soil gas efflux chambersplaced over three different types of soil collar to distinguish between heterotrophic (RH), autotrophic (RA; partitioned further into contributions from ECM hyphae and total RA) and total (RS) soil respiration. Results: The impact of N fertilization was to significantly reduce RA, particularly respiration via extramatrical ECM hyphae. ECM hyphal flux in control plots showed substantial spatial variability, resulting in mean flux estimates exceeding estimates of total RA, while ECM contributions to RA in N treated plots were estimated at around 30%. Conclusion: Significant impacts on soil C cycling may be caused by reduced plant C allocation to ECM fungi in response to increased N inputs to boreal forests; ecosystem models so far lack this detail.en_UK
dc.publisherSpringer Verlagen_UK
dc.relationVallack HW, Leronni V, Metcalfe DB, Hogberg P, Ineson P & Subke J (2011) Application of nitrogen fertilizer to a boreal pine forest has a negative impact on the respiration of ectomycorrhizal hyphae. Plant and Soil, 352 (1/2), pp. 405-417.
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.subjectPulse labellingen_UK
dc.subjectSoil CO2 effluxen_UK
dc.subjectSoil respirationen_UK
dc.subjectBoreal foresten_UK
dc.subjectSoil respirationen_UK
dc.subjectForest ecologyen_UK
dc.subjectSoil ecologyen_UK
dc.subjectSoil chemistryen_UK
dc.titleApplication of nitrogen fertilizer to a boreal pine forest has a negative impact on the respiration of ectomycorrhizal hyphaeen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[Vallack et al 2011_PlantSoil_prepubl.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.citation.jtitlePlant and Soilen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationUniversity of Yorken_UK
dc.contributor.affiliationUniversity of Bari, Italyen_UK
dc.contributor.affiliationSwedish University of Agricultural Sciencesen_UK
dc.contributor.affiliationSwedish University of Agricultural Sciencesen_UK
dc.contributor.affiliationUniversity of Yorken_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorVallack, Harry W|en_UK
local.rioxx.authorLeronni, Vincenzo|en_UK
local.rioxx.authorMetcalfe, Daniel B|en_UK
local.rioxx.authorHogberg, Peter|en_UK
local.rioxx.authorIneson, Phil|en_UK
local.rioxx.authorSubke, Jens-Arne|0000-0001-9244-639Xen_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.filenameVallack et al 2011_PlantSoil_prepubl.pdfen_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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