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Fig. 4 | BMC Zoology

Fig. 4

From: Understanding the dynamics of physiological impacts of environmental stressors on Australian marsupials, focus on the koala (Phascolarctos cinereus)

Fig. 4

Heat stress is a major environmental stressor in the koala. Anthropogenic driven global warming with an increase in extreme temperature events pose a substantial risk of mortality when koala colonies have limited access to riparian habitats. It shows the number of heat stress cases against environmental temperature; cases are strongly associated with days of high temperature. Four cases were recorded for a moderate temperature of 28.3 °C however the preceding day was 44.7 °C and illustrates the limited ability of the koala to recover from extreme temperatures despite moderation of conditions. Temperature data was obtained from the Bureau of Meteorology (http://www.bom.gov.au/)

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