The Truth About Giant Trees and Megafires

Vic Jurskis

May 19 2020

16 mins

A great mythology seems to prevail in the scientific literature around mountain ash (Eucalyptus regnans), the world’s tallest flowering plant. Victorian foresters have apparently based their silvicultural practices on the idea that mountain ash forests regenerated naturally as even-aged stands after explosive crown-fires. There seems to be a general view that they can only be successfully harvested and regenerated by clearfelling and burning. Ironically, academics opposed to logging have implicitly embraced this view, stating that ash forests remained unburnt for centuries until they were regenerated by stand-destroying holocausts. But climate change and megafires exacerbated by logging are now supposedly driving the forests and their dependent fauna, such as Leadbeater’s possum, to extinction.

Extensive harvesting has allegedly diminished old growth forests and promoted high-intensity fires. In fact, megafires consequent to disruption of Aboriginal burning have converted…

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