The Spinifexbird Eremiornis carteri in the Desert Uplands Bioregion, north-central Queensland: a geographic isolate or a nomadic metapopulation?

Kutt, A.S. (2003) The Spinifexbird Eremiornis carteri in the Desert Uplands Bioregion, north-central Queensland: a geographic isolate or a nomadic metapopulation? Australian Zoologist, 32 (2). pp. 246-251.

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Abstract

The Spinifexbird Eremiornis carteri is an inland species exclusively associated with mature Triodia spp. grasslands. Despite its wide distribution throughout arid and semi-arid Australia, a history of range expansion and contraction, and concentration into a number of core population centres, the species is considered monotypic. Two disjunct eastern localities were recorded during a vertebrate fauna survey of the Desert Uplands Bioregion in central-north Queensland, both in mature Triodia longiceps grasslands. These localities are described and reasons for the Jack of speciation within this taxon are reviewed. Nomadism in response to fire and climate pressures, discrete habitat specificity and current land use patterns are discussed as possible causes of lack of morphological differentiation, though the possibility of cryptic genetic variation in sub-populations is canvassed.

Item ID: 5993
Item Type: Article (Refereed Research - C1)
Keywords: Desert Uplands; fire; genetic variation; metapopulation; nomadism; Queensland; spinifexbird Eremiornis carteri; Triodia
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ISSN: 0067-2238
Date Deposited: 28 Jan 2010 00:00
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050202 Conservation and Biodiversity @ 100%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960806 Forest and Woodlands Flora, Fauna and Biodiversity @ 100%
Citation Count from Scopus Scopus 2
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