Comparing the population ecology of eastern barred bandicoot island introductions

Townsend, Tahlia 2020, Comparing the population ecology of eastern barred bandicoot island introductions, B. Environmental Science (Hons) thesis, School of Life and Environmental Sciences, Deakin University.

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Title Comparing the population ecology of eastern barred bandicoot island introductions
Author Townsend, Tahlia
Institution Deakin University
School School of Life and Environmental Sciences
Faculty Faculty of Science, Engineering and Built Environment
Degree type Honours
Degree name B. Environmental Science (Hons)
Thesis advisor Ritchie, EuanORCID iD for Ritchie, Euan
Date submitted 2020-11-21
Keyword(s) Conservation
Invasive predators
Temporal avoidance
Population ecology
Summary Australia’s native mammals – especially those in the critical-weight-range – and their important ecosystem functions have been limited by the impacts of invasive predators. Predator-free ‘safe havens’, such as some islands and fenced sanctuaries, have immense conservation value, but can also be challenging to maintain and are relatively small in their geographic extent. Hence, we also need to understand the ability for native wildlife to persist in the presence of invasive predators. In my study, through camera- and live-trapping, I examined the population ecology and behaviour of an endangered species – the eastern barred bandicoot (Perameles gunnii) – on three islands where they have been recently introduced as part of conservation translocations – Churchill Island (foxes and cats absent) and Phillip and French Islands (foxes absent, cats present), Victoria. I aimed to assess the influence of cat presence on bandicoot success of introduction, population density and growth, and temporal activity. I found that eastern barred bandicoots were able to coexist with feral cats under the conditions of this study and that temporal avoidance behaviours may have aided them in doing so. My findings help to inform and refine conservation actions over larger areas and higher diversities of habitats by improving understanding of wildlife translocations in the presence of feral cats.
Language eng
Indigenous content off
Field of Research 0502 Environmental Science and Management
Description of original 73 p.
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