Document ID: chunk:federal_register_of_legislation:F2022L00555:body:0:p83
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on heat stress days. The Koala's diet consists of a broad range of tree species but show seasonal and regional preferences for browse species and seek out trees with higher leaf water during drought (Clifton et al. 2007; Davies et al. 2014). Certain tree species and other vegetation types not commonly recognised as important food trees may still be essential for Koala survival due to the shelter or other resources they provide (Cristescu et al. 2011; Kavanagh et al. 2007). During hot days, Koalas seek cool microclimates and take up heat-dispersing postures, such as hugging the cooler trunks of large trees, or splaying limbs (Briscoe et al. 2014). These strategies reduce or eliminate their need for respiratory evaporative cooling and the resulting loss of water. The ability of vegetation to mitigate impacts of climate change may be reduced during drought, as trees reduce the transport of cooler underground water through trunks and water-stressed leaves provide less shade and dietary water.

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