Effect of landscape fires on the demography of the endangered New Caledonian conifer Callitris sulcata

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dc.contributor.authorHaverkamp, Cen_AU
dc.contributor.authorPrior, LDen_AU
dc.contributor.authorFogliani, Ben_AU
dc.contributor.authorL’Huillier, Len_AU
dc.contributor.authorAnquez, Men_AU
dc.contributor.authorHua, Qen_AU
dc.contributor.authorBowman, DMJSen_AU
dc.date.accessioned2015-09-09T02:19:46Zen_AU
dc.date.available2015-09-09T02:19:46Zen_AU
dc.date.issued2015-11-01en_AU
dc.date.statistics2015-09-02en_AU
dc.description.abstractNew Caledonia is a global biodiversity hotspot and an epicentre for Gondwanan conifers, many of which are threatened by mining and by altered fire regimes. We studied the distribution, abundance and demography of the endangered Callitris sulcata. The largest populations are restricted to one river system in the south-east of the island, with satellite populations in adjoining rivers. The local distribution is controlled by the fire protection afforded by terrain features such as scree slopes, creeklines and small cliffs. Adult trees, which have comparatively thick bark, are able to tolerate and recover from infrequent surface fires, but severe fires kill trees and the seeds they store, a pattern similar to that in many Australian Callitris species. Radiocarbon dating revealed the species is slower growing than Australian Callitris species, possibly due to the extreme infertility of the ultramafic soils. The species is of high cultural value to the indigenous population who also prizes the durable and aromatic timber, and harvests have been traditionally regulated. Illegal cutting of trees has become a problem, but uncontrolled fires, which have caused substantial population declines, dwarf this threat. Given these threats, conservation of the species hinges on ensuring some populations remain remote and rarely visited by humans. © 2015, Elsevier Ltd.en_AU
dc.identifier.citationHaverkamp, C., Prior, L. D., Fogliani, B., L'Huillier, L., Anquez, M., Hua, Q., & Bowman, D. M. J. S. (2015). Effect of landscape fires on the demography of the endangered New Caledonian conifer Callitris sulcata. Biological Conservation, 191, 130-138. doi:10.1016/j.biocon.2015.06.012en_AU
dc.identifier.govdoc6006en_AU
dc.identifier.issn0006-3207en_AU
dc.identifier.journaltitleBiological Conservationen_AU
dc.identifier.pagination130-138en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.biocon.2015.06.012en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/6182en_AU
dc.identifier.volume191en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectSpecies diversityen_AU
dc.subjectFiresen_AU
dc.subjectRiversen_AU
dc.subjectNew Caledoniaen_AU
dc.subjectTree ringsen_AU
dc.subjectConifersen_AU
dc.titleEffect of landscape fires on the demography of the endangered New Caledonian conifer Callitris sulcataen_AU
dc.typeJournal Articleen_AU
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