Impact of tuart canopy decline on brushtail possums

Anderson, H., Valentine, L., Reaveley, A., Fleming, T. and Hardy, G. (2011) Impact of tuart canopy decline on brushtail possums. Research Findings 2011: Bulletin No. 11 .

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Abstract

Since the early 1990s, there has been a noticeable decline of the health of tuart (Eucalyptus gomphocephala) in Yalgorup National Park in Western Australia. The exact reason for the decline is unknown although there have been multiple theories put forward such as land clearing for agricultural and urban development, decreased rainfall and pathogens such as native cankers and Phytophthora spp. Although some of the tuart trees are recovering from the decline, the change to vegetation structure in the tuart forest has been extreme.