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November 6 2012

Key to survival of forest giants revealed


Anyone flying into Melbourne from the east notices the thousands of hectares of dead Mountain Ash trees that were killed in the 2009 Black Saturday fires, which marked the culmination of an extended heatwave.

Why the Mountain Ash (Eucalyptus regnans) trees in the area that survived the blaze did not die, as expected, from the heatwave is explained by research by the University of Sydney and University of Western Sydney.

In addition to obvious threats to trees from fire, scientists worldwide are concerned about trees and whole forests dying during increasingly frequent drought and heatwaves, like that of 2009.

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