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Digging in: a review of the ecology and management of a threatened reptile with a small disjunct distribution – the heath skink, Liopholis multiscutata, in Victoria, south-eastern Australia


The central issue for species that are highly localised habitat specialists and occur in relatively small numbers is vulnerability to extinction processes. The heath skink, Liopholis multiscutata, is considered Critically Endangered in Victoria, in part because it is restricted to essentially four small and highly disjunct populations in semiarid mallee dunefields. It provides an example of a rare and cryptic species that is especially vulnerable to decline and consequently provides management challenges. Here, we crystallise available information on the ecology and life history of this threatened lizard, and review monitoring data to evaluate population status, primary threats and management imperatives. There has been a substantial decrease across the known range of the lizard in Victoria, most likely due to predation and fire. Recent monitoring of the four potentially viable populations revealed a general trend of decline. Recommendations for research and management priorities for the lizard in Victoria are provided; generally, these include further exploration of the lizard’s phylogeny and ecology, and ongoing monitoring of the trajectory of the lizard’s population status, threats to the lizard’s persistence and the effectiveness of management actions employed to ameliorate extinction threats.
