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Genetic differentiation among populations of a specialist fishing bat suggests lack of suitable habitat connectivity

Campbell, S, Guay, Patrick-Jean, Mitrovski, P and Mulder, R (2009) Genetic differentiation among populations of a specialist fishing bat suggests lack of suitable habitat connectivity. Biological Conservation, 142 (11). pp. 2657-2664. ISSN 0006-3207

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Specialist species face higher extinction risks as a result of smaller, isolated populations with reduced gene flow. The large-footed myotis (Myotis macropus) is the only microbat in Australia specialised for foraging directly over water surfaces. Such highly specialised feeding ecology restricts the distribution of M. macropus to coastal regions and inland waterways. Using five novel and two existing nuclear microsatellite markers, we investigated genetic diversity within and among five M. macropus populations in Victoria. Significant genetic differentiation was detected between all populations. FST values between populations ranged from 0.02 to 0.24. We suggest that the movement of M. macropus throughout the landscape is constrained by the availability of permanent waterways and associated riparian habitats. These findings represent important considerations for the conservation of this specialist species and the management of riparian vegetation, particularly on private land.

Item Type: Article
Uncontrolled Keywords: ResPubID19139. bats, gene flow, habitat fragmentation, genetic differentiation, fishing bats, specialist species, habitat conservation, remnant vegetation, riparian vegetation, endangered species, biodiversity, Myotis macropus, microbat
Subjects: Current > FOR Classification > 0602 Ecology
Current > FOR Classification > 0604 Genetics
Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Depositing User: VUIR
Date Deposited: 12 Oct 2011 04:04
Last Modified: 12 Oct 2011 04:04
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Citations in Scopus: 14 - View on Scopus

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