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dc.contributor.authorKelliher, Francis M.
dc.contributor.authorParfitt, R.L.
dc.contributor.authorvan Koten, C.
dc.contributor.authorSchipper, Louis A.
dc.contributor.authorRys, G.
dc.date.accessioned2013-04-11T21:48:29Z
dc.date.copyright2013-03
dc.date.issued2013
dc.identifier.citationKelliher, F., Parfitt, R., van Koten, C., Schipper, L., & Rys, G. (2013). Use of shallow samples to estimate the total carbon storage in pastoral soils. New Zealand Journal of Agricultural Research, 56(1), 86-90.en_NZ
dc.identifier.issn0028-8233
dc.identifier.urihttps://hdl.handle.net/10289/7434
dc.description.abstractUsing data from pastoral soils sampled by horizon at 56 locations across New Zealand, we conducted a meta-analysis. On average, the total depth sampled was 0.93 ± 0.026 m (± SEM), and on a volumetric basis, the total C storage averaged 26.9 ± 1.8, 13.9 ± 0.6 and 9.2 ± 1.4 kg C m⁻² for allophanic (n=12), non-allophanic (n=40) and pumice soils (n=4), respectively. We estimated the total C storage, and quantified the uncertainty, using the data for samples taken from the uppermost A-horizon whose depth averaged 0.1 ± 0.003 m. For A-horizon samples of the allophanic soils, the mean C content was 108 ± 6 g C kg⁻¹ and the bulk density was 772 ± 29 kg m⁻³, for non-allophanic soils they were 51 ± 4 g C kg⁻¹ and 1055 ± 29 kg m⁻³, and for pumice soils they were 68 ± 9 g C kg⁻¹ and 715 ± 45 kg m⁻³. The C density —a product of the C content and bulk density —of the A-horizon samples was proportional to their air-dried water content, a proxy measure for the mineral surface area. By linear regression with C density of the A-horizon, the total C storage could be estimated with a standard error of 3.1 kg C m⁻², 19% of the overall mean.en_NZ
dc.format.mimetypeapplication/pdf
dc.language.isoen
dc.publisherRoyal Society of New Zealanden_NZ
dc.relation.ispartofNew Zealand Journal of Agricultural Research
dc.rights© 2013, Royal Society of New Zealand. Used with permission.en_NZ
dc.subjectsoilen_NZ
dc.subjectcarbonen_NZ
dc.subjectallophaneen_NZ
dc.subjectpastoralen_NZ
dc.subjectNew Zealanden_NZ
dc.titleUse of shallow samples to estimate the total carbon storage in pastoral soilsen_NZ
dc.typeJournal Articleen_NZ
dc.identifier.doi10.1080/00288233.2012.729512en_NZ
dc.relation.isPartOfNew Zealand Journal of Agricultural Researchen_NZ
pubs.begin-page1en_NZ
pubs.editionOctoberen_NZ
pubs.elements-id38080
pubs.end-page5en_NZ
pubs.issue4en_NZ
pubs.volume55en_NZ


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