This finding stems from the region's subtropical climate, already warm and dry, which under climate change is projected to become drastically warmer and likely also drier. Hoegh-Guldberg, Jacob, Taylor et al, 'Impacts of 1.5ºC Global Warming on Natural and Human Systems' in Global Warming of 1.5°C. An IPCC Special Report on the impacts of global warming of 1.5°C above pre-industrial levels and related global greenhouse gas emission pathways, in the context of strengthening the global response to the threat of climate change, sustainable development, and efforts to eradicate poverty (IPCC 2018) 3.5.4.7. FA Engelbrecht et al,