Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/3448
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dc.contributor.authorVallack, Harry W-
dc.contributor.authorLeronni, Vincenzo-
dc.contributor.authorMetcalfe, Daniel B-
dc.contributor.authorHogberg, Peter-
dc.contributor.authorIneson, Phil-
dc.contributor.authorSubke, Jens-Arne-
dc.date.accessioned2013-06-08T19:16:50Z-
dc.date.issued2011-
dc.identifier.urihttp://hdl.handle.net/1893/3448-
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.language.isoen-
dc.publisherSpringer Verlag-
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.-
dc.subject13CO2en_UK
dc.subjectPulse labellingen_UK
dc.subjectSoil CO2 effluxen_UK
dc.subjectEctomycorrhizasen_UK
dc.subjectSoil respirationen_UK
dc.subjectBoreal foresten_UK
dc.subject.lcshSoil respiration-
dc.subject.lcshForest ecology-
dc.subject.lcshSoil ecology-
dc.subject.lcshSoil chemistry-
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.embargodate2999-12-31T00:00:00Z-
dc.rights.embargoreasonThe 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.-
dc.identifier.doihttp://dx.doi.org/10.1007/s11104-011-1005-6-
dc.citation.jtitlePlant and Soil-
dc.citation.issn0032-079X-
dc.citation.volume352-
dc.citation.issue1/2-
dc.citation.spage405-
dc.citation.epage417-
dc.citation.publicationstatusPublished-
dc.citation.peerreviewedRefereed-
dc.type.statusPublisher version (final published refereed version)-
dc.author.emailjens-arne.subke@stir.ac.uk-
dc.contributor.affiliationUniversity of York-
dc.contributor.affiliationUniversity of Bari, Italy-
dc.contributor.affiliationSwedish University of Agricultural Sciences-
dc.contributor.affiliationSwedish University of Agricultural Sciences-
dc.contributor.affiliationUniversity of York-
dc.contributor.affiliationBiological and Environmental Sciences-
dc.rights.embargoterms2999-12-31-
dc.rights.embargoliftdate2999-12-31-
dc.identifier.isi000302421300029-
Appears in Collections:Biological and Environmental Sciences Journal Articles

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