Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/68769
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dc.contributor.authorDunstan, A.en
dc.contributor.authorBradshaw, C.en
dc.contributor.authorMarshall, N.en
dc.date.issued2011en
dc.identifier.citationPLoS One, 2011; 6(2):1-9en
dc.identifier.issn1932-6203en
dc.identifier.issn1932-6203en
dc.identifier.urihttp://hdl.handle.net/2440/68769-
dc.description.abstractThe low fecundity, late maturity, long gestation and long life span of Nautilus suggest that this species is vulnerable to over-exploitation. Demand from the ornamental shell trade has contributed to their rapid decline in localized populations. More data from wild populations are needed to design management plans which ensure Nautilus persistence. We used a variety of techniques including capture-mark-recapture, baited remote underwater video systems, ultrasonic telemetry and remotely operated vehicles to estimate population size, growth rates, distribution and demographic characteristics of an unexploited Nautilus pompilius population at Osprey Reef (Coral Sea, Australia). We estimated a small and dispersed population of between 844 and 4467 individuals (14.6–77.4 km−2) dominated by males (83:17 male:female) and comprised of few juveniles (<10%).These results provide the first Nautilid population and density estimates which are essential elements for long-term management of populations via sustainable catch models. Results from baited remote underwater video systems provide confidence for their more widespread use to assess efficiently the size and density of exploited and unexploited Nautilus populations worldwide.en
dc.description.statementofresponsibilityAndrew Dunstan, Corey J. A. Bradshaw and Justin Marshallen
dc.language.isoenen
dc.publisherPublic Library of Scienceen
dc.rightsCopyright: © 2011 Dunstan et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en
dc.subjectAnimals; Models, Statistical; Immersion; Animal Migration; Conservation of Natural Resources; Population Density; Movement; Time Factors; Video Recording; Female; Male; Nautilus; Endangered Speciesen
dc.titleNautilus at risk - estimating population size and demography of Nautilus pompiliusen
dc.typeJournal articleen
dc.identifier.rmid0020110906en
dc.identifier.doi10.1371/journal.pone.0016716en
dc.relation.granthttp://purl.org/au-research/grants/arc/LP0775179en
dc.identifier.pubid28615-
pubs.library.collectionEarth and Environmental Sciences publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidBradshaw, C. [0000-0002-5328-7741]en
Appears in Collections:Earth and Environmental Sciences publications
Environment Institute Leaders publications

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