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The Vertebrate Fauna of Jenolan Karst Conservation Reserve: Final

The Vertebrate Fauna of Jenolan Karst Conservation Reserve: Final

The Vertebrate Fauna of Jenolan Karst Conservation Reserve: Final

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PLAINS RAT PSEUDOMYS AUSTRALIS<br />

EPBC Act: Vulnerable TSC Act: Presumed<br />

extinct<br />

68<br />

Priority in Area: Nil as presumed<br />

locally extinct<br />

Occurrence in the Survey Area<br />

Locally extinct. At JKCR, the plains rat is only known from skeletal remains found at the sooty owl<br />

roost site in Nettle Cave (Morris et al. 1997). Remains were found in the surface layers and it is<br />

presumed that the plains rat has been lost from JKCR since European settlement. <strong>The</strong> loss <strong>of</strong> the<br />

plains rat from JKCR is in line with its disappearance from the majority <strong>of</strong> its former range.<br />

Regional <strong>Conservation</strong> Significance<br />

<strong>The</strong> plains rat is extinct in the region and across NSW. It is currently restricted to the Lake Eyre Basin<br />

in central Australia but its range formerly extended across much <strong>of</strong> southern Australia, including as far<br />

east as the slopes <strong>of</strong> the Great Dividing Range. It is found in surface deposits from a sooty owl roost<br />

cave in Gippsland, from where it is also considered to have become extinct since European settlement<br />

(Bilney et al. 2010). As the plains rat is extinct in JKCR and NSW, this reserve does not contribute to<br />

the conservation <strong>of</strong> the species<br />

Threats in the Survey Area<br />

Formerly - predation by feral cats and foxes, inappropriate fire regimes, habitat loss, grazing by<br />

introduced herbivores, particularly rabbits.<br />

Management Considerations<br />

No management required.<br />

<strong>The</strong> <strong>Vertebrate</strong> <strong>Fauna</strong> <strong>of</strong> <strong>Jenolan</strong> <strong>Karst</strong> <strong>Conservation</strong> <strong>Reserve</strong>

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