Even cacti, among the world's most drought-tolerant plants, face severe threats from climate change, with conventional climate models potentially underestimating the risks by failing to account for extreme weather events, a new study has found. Thestudy, published in Nature on November 11, 2026, found that including severe droughts in climate projections substantially increased the estimated loss of suitable habitat for nearly 1,000 cactus species across the Americas. Led by Michiel Pillet of the University of Arizona, the research examined 993 species of the Cactaceae family, using 648,316 occurrence records alongside species distribution models and new spatial data on severe droughts, including the combined effects of rising temperatures. The researchers found that models incorporating severe droughts performed better than those based on average climate conditions in 91 per cent of cases. Severe droughts increase projected habitat losses Across different emissions scenarios, and assuming species could disperse up to 100 km, incorporating severe droughts increased the proportion of cactus species projected to lose suitable climatic habitat from 58-61 per cent to 69-72 per cent. The share of species projected to lose more than a quarter of their suitable habitat rose from 26-43 per cent to 55-58 per cent. More significantly, the proportion...

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Objective: Thestudy evaluatedbehavioural phenotypes and the level of Superioxde Dismutase activity i

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