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The population genetics of the western purple-crowned fairy-wren (Malurus coronatus coronatus), a declining riparian passerine

Skroblin, Anja; Cockburn, Andrew; Legge, Sarah

Description

We investigate the population genetic structure of the declining western subspecies of the purple-crowned fairy-wren (Malurus coronatus coronatus) in order to guide conservation management recommendations for this riparian habitat specialist. Our analysis of multilocus microsatellite data, from 79 individuals sampled from across the species' range, indicates that M. c. coronatus occurs as genetically differentiated subpopulations that correspond to catchment boundaries or expansive gaps in...[Show more]

dc.contributor.authorSkroblin, Anja
dc.contributor.authorCockburn, Andrew
dc.contributor.authorLegge, Sarah
dc.date.accessioned2015-12-13T22:32:14Z
dc.identifier.issn0004-959X
dc.identifier.urihttp://hdl.handle.net/1885/75482
dc.description.abstractWe investigate the population genetic structure of the declining western subspecies of the purple-crowned fairy-wren (Malurus coronatus coronatus) in order to guide conservation management recommendations for this riparian habitat specialist. Our analysis of multilocus microsatellite data, from 79 individuals sampled from across the species' range, indicates that M. c. coronatus occurs as genetically differentiated subpopulations that correspond to catchment boundaries or expansive gaps in habitat along waterways. The genetic similarity of large populations of fairy-wrens on four catchments (Fitzroy, Durack, Drysdale and Victoria) indicates widespread recent gene flow, whereas the high genetic distinctiveness of the Bindoola and Isdell catchments may reflect the current geographic isolation of these smaller populations. Genetic differentiation of these smaller geographically isolated populations affirms the negative effect that habitat degradation and fragmentation can have on population connectivity. A regional-scale approach to conservation with a focus on preventing degradation and enhancing connectivity may be critical to safeguard the persistence of M. c. coronatus subpopulations.
dc.publisherCSIRO Publishing
dc.sourceAustralian Journal of Zoology
dc.titleThe population genetics of the western purple-crowned fairy-wren (Malurus coronatus coronatus), a declining riparian passerine
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume62
dc.date.issued2014
local.identifier.absfor060201 - Behavioural Ecology
local.identifier.ariespublicationU3488905xPUB4640
local.type.statusPublished Version
local.contributor.affiliationSkroblin, Anja, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationCockburn, Andrew, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationLegge, Sarah, College of Medicine, Biology and Environment, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.issue3
local.bibliographicCitation.startpage251
local.bibliographicCitation.lastpage259
local.identifier.doi10.1071/ZO13087
local.identifier.absseo970106 - Expanding Knowledge in the Biological Sciences
dc.date.updated2015-12-11T09:05:50Z
local.identifier.scopusID2-s2.0-84907321499
local.identifier.thomsonID000340845400009
CollectionsANU Research Publications

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