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    The Time Local Convex Hull method as a tool for assessing responses of fauna to habitat restoration: A case study using the perentie (Varanus giganteus: Reptilia: Varanidae)

    87047.pdf (1.104Mb)
    Access Status
    Open access
    Authors
    Cross, Sophie
    Tomlinson, Sean
    Craig, M.D.
    Bateman, Bill
    Date
    2019
    Type
    Journal Article
    
    Metadata
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    Citation
    Cross, S.L. and Tomlinson, S. and Craig, M.D. and Bateman, P.W. 2019. The Time Local Convex Hull method as a tool for assessing responses of fauna to habitat restoration: A case study using the perentie (Varanus giganteus: Reptilia: Varanidae). Australian Journal of Zoology. 67 (1): pp. 27-37.
    Source Title
    Australian Journal of Zoology
    DOI
    10.1071/ZO19040
    ISSN
    0004-959X
    Faculty
    Faculty of Science and Engineering
    School
    School of Molecular and Life Sciences (MLS)
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/IC150100041
    URI
    http://hdl.handle.net/20.500.11937/87205
    Collection
    • Curtin Research Publications
    Abstract

    Understanding the behavioural responses of animals to habitat change is vital to their conservation in landscapes undergoing restoration. Studies of animal responses to habitat restoration typically assess species presence/absencehowever, such studies may be restricted in their ability to show whether restoration is facilitating the return of self-sustaining and functional fauna populations. We present a case study using VHF/GPS tracking of a young adult perentie (Varanus giganteus), to demonstrate the range of applications of the Time Local Convex Hull method of home-range construction in analysing the behavioural responses of fauna to habitat change and restoration. Presence/absence studies provide single point locations of an animal, and the Minimum Convex Polygon method provides an invariant estimate of habitat use across the whole home range. However, the Time Local Convex Hull method provides a useful method for assessing movement and behavioural responses of fauna to habitat change and restoration, and the specific habitat requirements for the long-term support of populations. The breadth and multidimensionality of data generated indicates strongly that understanding the complex interactions between animals and their environment is fundamental to their conservation in the face of ever-increasing rates of human-induced habitat change and degradation.

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