Many species reach their heat limits at similar temperatures, leaving ecosystems at risk of sudden climate-driven collapse – new study

By Joseph Williamson, Research Fellow in Biological Responses to Climate Change, UCL

Last year, much of the world’s largest coral reef system was transformed into a white boneyard, featuring ghostly silhouettes of horns, brains and lettuces. The threat of sudden biodiversity loss from climate change had been realised through what’s known as a mass bleaching event.

The abrupt loss of many species from a system is generally attributed to a breakdown in ecological functioning. As species are…

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