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Pete Smith, Judy Smith (1990)
Decline of the urban Koala (Phascolarctos cinereus) population in Warringah Shire, SydneyThe Australian zoologist, 26
B. Sullivan, W. Norris, G. Baxter (2003)
Low-density koala (Phascolarctos cinereus) populations in the mulgalands of south-west Queensland. II. Distribution and dietWildlife Research, 30
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Koala distribution and density in southeast Queensland: the accuracy and precision of koala surveys
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Stephen Phillips (2000)
Population Trends and the Koala Conservation DebateConservation Biology, 14
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2012).What faecal pellet surveys
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Incorporating Habitat Mapping into Practical Koala Conservation on Private LandsConservation Biology, 14
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Current status of the koala in Queensland and New South Wales
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Tree use, diet and home range of the koala (Phascolarctos cinereus) at Blair Athol, central QueenslandWildlife Research, 29
Australia's environment minister says up to 30% of koalas killed in NSW mid-north coast fires. The Guardian
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Modelling mammalian extinction and forecasting recovery: koalas at Iluka (NSW, Australia)Biological Conservation, 106
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Low-density koala (Phascolarctos cinereus) populations in the mulgalands of south-west Queensland. I. Faecal pellet sampling protocolWildlife Research, 29
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Stephen Phillips, J. Callaghan (2011)
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The tree species preferences of koalas (Phascolarctos cinereus) inhabiting forest and woodland communities on Quaternary deposits in the Port Stephens area, New South WalesWildlife Research, 27
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A. Melzer, R. Cristescu, William Ellis, Sean FitzGibbon, G. Manno (2014)
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THE SPATIAL AND TEMPORAL DISTRIBUTION OF KOALA FAECAL PELLETSWildlife Research, 25
M. Hindell, Ak Lee (1987)
Habitat Use and Tree Preferences of Koalas in a Mixed Eucalypt ForestWildlife Research, 14
R. Cristescu, Emily Foley, A. Markula, G. Jackson, Darryl Jones, C. Frère (2015)
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R. Cristescu, Klara Goethals, Peter Banks, F. Carrick, C. Frère (2012)
Experimental Evaluation of Koala Scat Persistence and Detectability with Implications for Pellet-Based Fauna CensusInternational Journal of Zoology, 2012
A. Lee, K. Handasyde, G. Sanson (1990)
Biology of the koala
Koala scat surveys are important tools for determining koala presence and distribution in large forested areas where it is impractical to conduct direct observation surveys. However, current scat survey methods are problematic due to lack of either accuracy or feasibility, i.e. they are either biased or very time-consuming in the field. This study aimed to establish a new koala scat survey method with improved accuracy compared with existing methods, and practical in the field. We developed a new Balanced Koala Scat Survey method (BKSS), and evaluated it in the field by analysing scat detectability variations and comparing it with a current survey method, the Spot Assessment Technique (SAT), to determine scat searching accuracy. The results revealed that current methods were biased by assigning consistent searching effort for all trees, because effective searching time to detect the first scat was significantly affected by Koala Activity Level (KAL the proportion of trees found with scats among all 30 trees in a survey site). Compared with BKSS, SAT tended to yield more false negative outcomes SAT may miss up to 46% of trees with scats when KAL was low. The application of BKSS is expected to greatly enhance the reliability of koala scat surveys in determining koala distribution and thus improve their conservation management.
Australian Journal of Zoology – CSIRO Publishing
Published: Jun 12, 2020
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