Figure 1.
Map of Australia showing Tasmania.
The arrow indicates the 68 000 km2 island State of Tasmania to the south of the continental mainland of Australia. Map courtesy of Geoscience Australia.
Figure 2.
Map of Tasmania showing study sites.
Each site is represented by a black dot.
Figure 3.
Map of camera placement within the Tasman Peninsula.
An example of the spatial arrangement of cameras along roads and trails within a study site.
Table 1.
Vegetation associated with camera sites.
Figure 4.
A Tasmanian devil Sarcophilus harrisii, scent-marking a camera station with an anal drag.
Note the curved tail, raised hind foot, and posterior part of the body touching the ground. Scent-marking was often observed in a series of photographs and was evidenced by anal-dragging, defecating or urinating.
Figure 5.
A swamp rat, Rattus lutreolus velutinus, visiting a camera station.
Note the distinctive equal head-body compared to tail length, and ears that are set close to the head.
Table 2.
Animal occurrences at cameras.
Table 3.
Model selection statistics for Tasmanian devils and feral cats.
Figure 6.
The probability of detecting feral cats Felis catus in relation to Tasmanian devils Sarcophilus harrisii.
Study sites represented are: A. Southwest, B. Mt Field and C. Tasman Peninsula. Trends are shown as a function of time since baiting; cameras were initially baited on day one and re-baited on day seven. Estimates of probability of detection were generated in PRESENCE 4.0 under the highest-ranked AICc model in a two-species multi-season analysis. Bars represent 95% CI.
Table 4.
Model selection statistics for Tasmanian devils and swamp rats.
Table 5.
Model selection statistics for feral cats and swamp rats.
Table 6.
Model outputs from two-species occupancy models for Tasmanian devils and feral cats.
Table 7.
Model outputs from two-species occupancy models for Tasmanian devils and swamp rats.
Table 8.
Model outputs from two-species occupancy models for feral cats and swamp rats.
Figure 7.
Captures (n = 46) of swamp rat Rattus lutreolus in Elliott traps scented with different faecal odours.
Traps were scented with one of four different odours: clear (no faecal smear), Tasmanian pademelon Thylogale billardierii faeces, Tasmanian devil Sarcophilus harrisii faeces and feral cat Felis catus faeces.
Table 9.
Swamp Rat captures in scented traps.