Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/97089
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Type: Journal article
Title: Human-assisted invasions of Pacific islands by Litoria frogs: a case study of the bleating tree frog on Lord Howe Island
Author: Plenderleith, T.
Smith, K.
Donnellan, S.
Reina, R.
Chapple, D.
Citation: PLoS One, 2015; 10(5):e0126287-1-e0126287-14
Publisher: Public Library of Science
Issue Date: 2015
ISSN: 1932-6203
1932-6203
Statement of
Responsibility: 
T. Lynette Plenderleith, Katie L. Smith, Stephen C. Donnellan, Richard D. Reina, David G. Chapple
Abstract: There are substantial differences among taxonomic groups in their capacity to reach remote oceanic islands via long-distance overwater dispersal from mainland regions. Due to their permeable skin and intolerance of saltwater, amphibians generally require human-assisted dispersal to reach oceanic islands. Several Litoria frog species have been introduced to remote islands throughout the Pacific Ocean region. Lord Howe Island (LHI) is an oceanic island that lies approximately 600 km east of the Australian mainland and has a diverse, endemic biota. The bleating tree frog (Litoria dentata) is native to mainland eastern Australia, but was accidentally introduced to LHI in the 1990s, yet its ecology and potential impact on LHI has remained unstudied. We used a mitochondrial phylogeographical approach to determine that L. dentata was introduced from the Ballina region in northeastern New South Wales. The founding population was likely accidentally introduced with cargo shipped from the mainland. We also completed the first detailed investigation of the distribution, ecology and habitat use of L. dentata on LHI. The species is widespread on LHI and is prevalent in human habitat, cattle pasture and undisturbed forest. We discuss the potential impact of introduced Litoria species on Pacific islands and outline what biosecurity protocols could be implemented to prevent the introduction of further amphibian species to the ecologically sensitive oceanic area.
Keywords: Animals; Anura; Humans; DNA, Mitochondrial; Ecosystem; Phylogeny; Geography; Human Activities; Molecular Sequence Data; Pacific Ocean; Introduced Species; Phylogeography; Islands
Rights: © 2015 Plenderleith 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
RMID: 0030029232
DOI: 10.1371/journal.pone.0126287
Grant ID: http://purl.org/au-research/grants/arc/DP0771913
Appears in Collections:Genetics publications

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