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Effects of multiple disturbance processes on arboreal vertebrates in Eastern Australia: implications for management

Anson, Jennifer, Dickman, Chris R., Handasyde, Kath and Jessop, Tim S. 2014, Effects of multiple disturbance processes on arboreal vertebrates in Eastern Australia: implications for management, Ecography, vol. 37, no. 4, pp. 357-366, doi: 10.1111/j.1600-0587.2013.00340.x.

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Title Effects of multiple disturbance processes on arboreal vertebrates in Eastern Australia: implications for management
Author(s) Anson, Jennifer
Dickman, Chris R.
Handasyde, Kath
Jessop, Tim S.
Journal name Ecography
Volume number 37
Issue number 4
Start page 357
End page 366
Total pages 10
Publisher Wiley
Place of publication London, Eng.
Publication date 2014-04
ISSN 0906-7590
Summary Habitat loss and invasive predators increasingly threaten global biodiversity. Here we use a landscape-scale experimental approach to explore the individual and synergistic effects of logging and an invasive predator, the red fox Vulpes vulpes on two common native arboreal vertebrates (a predator and prey species) in south-eastern Australia. We used site occupancy methods to evaluate different models evaluating the effects of site specific forest logging disturbance, lethal fox baiting and forest structural elements for explaining variation in site occupancy of a large monitor lizard Varanus varius, and a marsupial prey, the common ringtail possum Pseudocheirus peregrinus across a complex forest landscape. Site occupancy of ringtail possum was influenced by habitat resources and the structural complexity of forest, which indirectly mediated predation risk. Presence of fox baiting had no direct effect on the ringtail site occupancy. In contrast, access to prey resources and fox baiting appeared to best explain site occupancy variation in monitor lizards across the landscape. While these species are affected primarily by separate disturbances, synergistic interactions between the processes may intensify their effects. Our results demonstrate that species susceptibility to disturbance processes are highly idiosyncratic. This approach makes efficient use of integrated modelling to aid conservation management at both local and landscape levels.
Language eng
DOI 10.1111/j.1600-0587.2013.00340.x
Field of Research 060801 Animal Behaviour
060201 Behavioural Ecology
060207 Population Ecology
050204 Environmental Impact Assessment
0501 Ecological Applications
0502 Environmental Science And Management
0602 Ecology
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2013, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081784

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