Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/196
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dc.contributor.authorClarke, PJen
dc.date.accessioned2008-05-06T16:46:00Z
dc.date.issued2002en
dc.identifier.citationOecologia, 132(4), p. 582-591en
dc.identifier.issn0029-8549en
dc.identifier.urihttps://hdl.handle.net/1959.11/196en
dc.description.abstractRock outcrops are landscape features that may form habitat islands in a matrix of more widespread vegetation. The patterns of floristics, reproduction, gender, life span, growth forms, and fire response traits were compared between rock outcrops and matrix sclerophyll vegetation to test for insularity in taxon composition and functional traits. The outcrops and matrix had similar reproduction, gender, life span, and growth form traits, being dominated by co-sexual sclerophyll shrubs. The outcrops, however, were dissimilar in species composition and functional traits forming an archipelago of habitat islands in a forest matrix. Rank abundance curves were less even on rock outcrops than in adjacent forests, being dominated by shrubs that were killed by fire (obligate seeders). The ratio of shrubs killed by fire (obligate seeders) to resprouters was 70:30 on the outcrops compared with 38:62 in the matrix. Evidence for functional convergence in fire response traits comes from 27 genera, in 17 families, which have congeners in each habitat. Most shrub congeners on or near rocky outcrops were killed by fire whereas related taxa in the forests resprout after fire. Functional convergence can be related to disturbance frequency and/or differences in regeneration niche among habitats. A resprouting response appears to be related to more frequent fires in the matrix as outcrops experience fires less often. The dominance of obligate seeding shrubs on high rainfall outcrops may also be related to better resources in an environment where allocation to growth rather than storage could be advantageous. In drier and shadier habitats, however, resprouting may be promoted over seedling recruitment as the risks of recruitment failure are higher.en
dc.languageenen
dc.publisherSpringeren
dc.relation.ispartofOecologiaen
dc.titleHabitat insularity and fire response traits: evidence from a sclerophyll archipelagoen
dc.typeJournal Articleen
dc.identifier.doi10.1007/s00442-002-0962-0en
dc.subject.keywordsPlant Biologyen
local.contributor.firstnamePJen
local.subject.for2008060799 Plant Biology not elsewhere classifieden
local.subject.seo770703 Living resources (flora and fauna)en
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailpclarke1@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordpes:232en
local.publisher.placeGermanyen
local.format.startpage582en
local.format.endpage591en
local.peerreviewedYesen
local.identifier.volume132en
local.identifier.issue4en
local.title.subtitleevidence from a sclerophyll archipelagoen
local.contributor.lastnameClarkeen
dc.identifier.staffune-id:pclarke1en
local.profile.roleauthoren
local.identifier.unepublicationidune:195en
dc.identifier.academiclevelAcademicen
local.title.maintitleHabitat insularity and fire response traitsen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 171<br />Views: 170<br />Downloads: 0en
local.search.authorClarke, PJen
local.uneassociationUnknownen
local.year.published2002en
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