rose gum

Trees remember heatwaves

Eucalyptus grandis

The flooded gum or rose gum (Eucalyptus grandis). Photo: Geoexplore

An Aussie eucalypt can ‘remember’ past exposure to extreme heat, which makes the tree and its offspring better able to cope with future heatwaves, according to new research from Macquarie University.

This finding could have important implications for restoring ecosystems and climate-proofing forestry, as the number of hot days and heatwaves increase due to climate change.

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