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Inferring population connectivity across the range of the purple-crowned fairy-wren (Malurus coronatus) from mitochondrial DNA and morphology: Implications for conservation management

Skroblin, Anja; Lanfear, Robert; Cockburn, Andrew; Legge, Sarah

Description

Knowledge of population structure and patterns of connectivity is required to implement effective conservation measures for the purple-crowned fairy-wren (Malurus coronatus), a threatened endemic of northern Australia. This study aimed to identify barriers to dispersal across the distribution of M. coronatus, investigate the impact that the recent declines may have on population connectivity, and propose conservation actions to maintain natural patterns of gene flow. Analysis of mitochondrial...[Show more]

dc.contributor.authorSkroblin, Anja
dc.contributor.authorLanfear, Robert
dc.contributor.authorCockburn, Andrew
dc.contributor.authorLegge, Sarah
dc.date.accessioned2015-12-10T23:33:18Z
dc.identifier.issn0004-959X
dc.identifier.urihttp://hdl.handle.net/1885/69227
dc.description.abstractKnowledge of population structure and patterns of connectivity is required to implement effective conservation measures for the purple-crowned fairy-wren (Malurus coronatus), a threatened endemic of northern Australia. This study aimed to identify barriers to dispersal across the distribution of M. coronatus, investigate the impact that the recent declines may have on population connectivity, and propose conservation actions to maintain natural patterns of gene flow. Analysis of mitochondrial DNA sequences from 87 M. coronatus identified two phylogenetic clusters that corresponded with the phenotypically defined western (M. c. coronatus) and eastern (M. c. macgillivrayi) subspecies. The genetic divergence between these subspecies was consistent with isolation by a natural barrier to gene flow, and supports their separate conservation management. Within the declining M. c. coronatus, the lack of genetic divergence and only slight morphological difference between remnant populations indicates that populations were recently linked by gene flow. It is likely that widespread habitat degradation and the recent extirpation of M. c. coronatus from the Ord River will disrupt connectivity between, and dynamics within, remnant populations. To prevent further declines, conservation of M. coronatus must preserve areas of quality habitat and restore connectivity between isolated populations.
dc.publisherCSIRO Publishing
dc.sourceAustralian Journal of Zoology
dc.subjectKeywords: conservation genetics; endemic species; gene flow; habitat fragmentation; mitochondrial DNA; morphology; nature conservation; passerine; phylogenetics; phylogeography; range expansion; subspecies; Australia; Malurus coronatus; Troglodytinae conservation biology; northern Australia; phylogeography; wildlife management
dc.titleInferring population connectivity across the range of the purple-crowned fairy-wren (Malurus coronatus) from mitochondrial DNA and morphology: Implications for conservation management
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume60
dc.date.issued2012
local.identifier.absfor060201 - Behavioural Ecology
local.identifier.ariespublicationf5625xPUB1961
local.type.statusPublished Version
local.contributor.affiliationSkroblin, Anja, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationLanfear, Robert, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationCockburn, Andrew, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationLegge, Sarah, Australian Wildlife Conservancy
local.description.embargo2037-12-31
local.bibliographicCitation.issue3
local.bibliographicCitation.startpage199
local.bibliographicCitation.lastpage209
local.identifier.doi10.1071/ZO12093
local.identifier.absseo970106 - Expanding Knowledge in the Biological Sciences
dc.date.updated2016-02-24T08:52:11Z
local.identifier.scopusID2-s2.0-84869065687
local.identifier.thomsonID000310268000008
CollectionsANU Research Publications

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