Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/3835
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dc.contributor.authorWright, Boyden
dc.contributor.authorClarke, Peter Johnen
dc.date.accessioned2009-12-15T09:04:00Z
dc.date.issued2007en
dc.identifier.citationInternational Journal of Wildland Fire, 16(3), p. 317-323en
dc.identifier.issn1049-8001en
dc.identifier.urihttps://hdl.handle.net/1959.11/3835en
dc.description.abstractThe hummock grasslands of arid Australia are fire-prone ecosystems in which the perennial woody plants mostly resprout after fire. The resprouting ability among these species is poorly understood in relation to environmental variation; consequently, little is known about the impacts that contemporary fire regimes are having on vegetation within these systems. We examined the resprouting ability of adults and juveniles of four widespread Acacia species ('A. aneura', 'A. kempeana', 'A. maitlandii', 'A. melleodora') by experimentally testing the effects of fire severity, interval and season. We found that fire severity and season strongly affected survival, but the magnitude of the effects was variable among the species. Unexpectedly, a short fire interval of 2 years did not have a strong negative effect on resprouting of any species. Fire severity had variable effects among the four species, with those species with more deeply buried buds being more resilient to high-severity soil heating than those with shallow buds. Season of fire also strongly affected survival of some species, and we propose that seasonal variation in soil heating and soil moisture mediated these effects. The species by environment interactions we observed within one functional group (resprouters with a soil-stored seed bank) and in one genus suggest that modelling landscape response to fire regimes will be complex in these arid ecosystems. We predict, however, that the dominant resprouting acacias in hummock grasslands of central Australia are highly resilient to a range of fire regimes.en
dc.languageenen
dc.publisherCSIRO Publishingen
dc.relation.ispartofInternational Journal of Wildland Fireen
dc.titleResprouting responses of 'Acacia' shrubs in the Western Desert of Australia: fire severity, interval and season influence survivalen
dc.typeJournal Articleen
dc.identifier.doi10.1071/WF06094en
dc.subject.keywordsTerrestrial Ecologyen
local.contributor.firstnameBoyden
local.contributor.firstnamePeter Johnen
local.subject.for2008060208 Terrestrial Ecologyen
local.subject.seo2008960804 Farmland, Arable Cropland and Permanent Cropland Flora, Fauna and Biodiversityen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailbwright4@une.edu.auen
local.profile.emailpclarke1@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordpes:5439en
local.publisher.placeMelbourne, Victoria, Australiaen
local.format.startpage317en
local.format.endpage323en
local.peerreviewedYesen
local.identifier.volume16en
local.identifier.issue3en
local.title.subtitlefire severity, interval and season influence survivalen
local.contributor.lastnameWrighten
local.contributor.lastnameClarkeen
dc.identifier.staffune-id:bwright4en
dc.identifier.staffune-id:pclarke1en
local.profile.orcid0000-0002-6322-4904en
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:3930en
dc.identifier.academiclevelAcademicen
local.title.maintitleResprouting responses of 'Acacia' shrubs in the Western Desert of Australiaen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 66<br />Views: 66<br />Downloads: 0en
local.search.authorWright, Boyden
local.search.authorClarke, Peter Johnen
local.uneassociationUnknownen
local.year.published2007en
Appears in Collections:Journal Article
School of Environmental and Rural Science
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