Distribution and habitat preference of the broad-toothed rat (Mastacomys fuscus) in the Australian Capital Territory, Australia
Richard N. C. Milner A C , Danswell Starrs B , Greg Hayes A and Murray C. Evans A
+ Author Affiliations
- Author Affiliations
A Conservation Research, Environment and Planning Directorate, ACT Government, Canberra, ACT 2601, Australia.
B Evolution, Ecology and Genetics, Research School of Biology, Australian National University, Canberra, ACT 0200, Australia.
C Corresponding author. Email: Richard.Milner@act.gov.au
Australian Mammalogy 37(2) 125-131 https://doi.org/10.1071/AM14031
Submitted: 13 October 2014 Accepted: 10 February 2015 Published: 17 April 2015
Abstract
The broad-toothed rat (Mastacomys fuscus) is a small to medium-sized rodent found in south-eastern Australia. Recent surveys across the southern portion of its range indicate that the species is in decline, and climate change has been identified as a key threat to the localised persistence of this species. The present study reports on a rapid field survey across 14 high montane and subalpine sites (including moist tussock grassland, sedgelands, heathlands and bogs) in the southern Australian Capital Territory, Australia. M. fuscus scats were recorded along transects, and habitat, vegetation, distance to drainage lines and disturbance due to feral animals were recorded. Relative abundance of M. fuscus was positively related to specific vegetation types (heath, sedge and Poa) and site size. Conversely, relative abundance of M. fuscus was negatively related to disturbance due to feral animals, and distance from creek drainage lines. This study indicates that M. fuscus has specific habitat preferences and threats associated with environmental change and introduced species may threaten populations in the Australian Capital Territory.
Additional keywords: climate change, habitat selectivity, subalpine, vegetation.
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