The conservation biology of Hemigenia exilis (Lamiaceae), a serpentine endemic from the arid zone of Western Australia

Julia Mattner

doi:10.26182/5d53784cfbb37

The conservation biology of Hemigenia exilis (Lamiaceae), a serpentine endemic from the arid zone of Western Australia

Julia Mattner

Research output: Thesis › Doctoral Thesis

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Abstract

[Truncated] This study was instigated by the re-discovery in 1995 of Hemigenia exilis, a rare serpentine endemic in the arid zone of Western Australia. It addressed issues pertinent to five areas of conservation biology of the species. Levels and patterns of genetic diversity were quantified using RAPDs. H. exilis had a genetic diversity of 0.38 and a heterozygosity of 0.27, which is higher than the levels found in most rare, long-lived shrubs. Over 80% of the genetic variation was partitioned within populations, typical of long-lived out-crossing perennials. Importantly, the species was differentiated into a northern and southern provenance, with implications for rehabilitation of the species after mining.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
DOIs	https://doi.org/10.26182/5d53784cfbb37
Publication status	Unpublished - 2002

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Cite this

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AB - [Truncated] This study was instigated by the re-discovery in 1995 of Hemigenia exilis, a rare serpentine endemic in the arid zone of Western Australia. It addressed issues pertinent to five areas of conservation biology of the species. Levels and patterns of genetic diversity were quantified using RAPDs. H. exilis had a genetic diversity of 0.38 and a heterozygosity of 0.27, which is higher than the levels found in most rare, long-lived shrubs. Over 80% of the genetic variation was partitioned within populations, typical of long-lived out-crossing perennials. Importantly, the species was differentiated into a northern and southern provenance, with implications for rehabilitation of the species after mining.

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The conservation biology of Hemigenia exilis (Lamiaceae), a serpentine endemic from the arid zone of Western Australia

Abstract

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