coinciding with a ~1℃ spring temperature increase, but non-climate factors were not examined . Across southern Africa, nine of the 13 oldest known  baobab trees  have died since 2005, although the causes are unknown . In South Africa, savanna trees experienced an order of magnitude increase in mortality, related, but not formally attributed to, decreased rainfall . In Tunisia, insect infestations related, but not formally attributed to, hotter temperatures led to mortality of cork oaks  .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report