Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/9011
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dc.contributor.authorForrester, David Ien
dc.contributor.authorBauhus, Jurgenen
dc.contributor.authorCowie, Annetteen
dc.date.accessioned2011-12-08T11:48:00Z-
dc.date.issued2006-
dc.identifier.citationForest Ecology and Management, 233(2-3), p. 275-284en
dc.identifier.issn1872-7042en
dc.identifier.issn0378-1127en
dc.identifier.urihttps://hdl.handle.net/1959.11/9011-
dc.description.abstractAboveground biomass was twice as high in mixtures of 'Eucalyptus globulus' and 'Acacia mearnsii' when compared to 'E. globulus' monocultures after 11 years. This was attributed to increased nutrient availability and accelerated rates of N and P cycling in mixtures. This study examined whether the increase in aboveground biomass production was associated with an increase in total productivity (both above- and belowground), a change in C partitioning (from below to aboveground) or both. Total annual belowground C allocation (TBCA) was determined during year 11 in a mixed-species trial near Cann River, southeastern Australia. Monocultures of 'E. globulus' (100%E) and 'A. mearnsii' (100%A) and mixtures of these species (50%E:50%A) were planted in a replacement series. Using a conservation of mass approach, TBCA was estimated as soil carbon dioxide (CO₂) efflux C minus the C input from aboveground litter plus changes in the C stored in soil, roots and the forest floor litter layer. Aboveground net primary production (ANPP) was also estimated to enable comparison of ratios of above and belowground fluxes between treatments. TBCA ranged from 14.6 to 16.3 Mg C ha⁻¹ year⁻¹ and was not significantly different in 100%E, 50%E:50%A and 100%A. Higher ratios of ANPP:TBCA in the mixtures (0.41) than in either monoculture (100%A:0.28 100%E:0.31) indicated that trees in mixture partitioned a lower proportion of assimilated C belowground than those in monocultures. Since the mixture was as productive as monocultures belowground but more productive aboveground, it appears to be more productive overall and thus have the potential to increase C sequestration above that of monocultures.en
dc.languageenen
dc.publisherElsevier BVen
dc.relation.ispartofForest Ecology and Managementen
dc.titleCarbon allocation in a mixed-species plantation of 'Eucalyptus globulus' and 'Acacia mearnsii'en
dc.typeJournal Articleen
dc.identifier.doi10.1016/j.foreco.2006.05.018en
dc.subject.keywordsEcological Impacts of Climate Changeen
dc.subject.keywordsEcosystem Functionen
local.contributor.firstnameDavid Ien
local.contributor.firstnameJurgenen
local.contributor.firstnameAnnetteen
local.subject.for2008050102 Ecosystem Functionen
local.subject.for2008050101 Ecological Impacts of Climate Changeen
local.subject.seo2008960302 Climate Change Mitigation Strategiesen
local.subject.seo2008820199 Forestry not elsewhere classifieden
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailacowie4@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20111202-112310en
local.publisher.placeNetherlandsen
local.format.startpage275en
local.format.endpage284en
local.peerreviewedYesen
local.identifier.volume233en
local.identifier.issue2-3en
local.contributor.lastnameForresteren
local.contributor.lastnameBauhusen
local.contributor.lastnameCowieen
dc.identifier.staffune-id:acowie4en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:9201en
dc.identifier.academiclevelAcademicen
local.title.maintitleCarbon allocation in a mixed-species plantation of 'Eucalyptus globulus' and 'Acacia mearnsii'en
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorForrester, David Ien
local.search.authorBauhus, Jurgenen
local.search.authorCowie, Annetteen
local.uneassociationUnknownen
local.year.published2006en
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