Last summer's daring fire-fighting efforts to save the world's last stand of Wollemi pines prevented significant loss of the larger, mature trees but left many juvenile plants severely burnt, prompting expert calls for permanent fire-dampening measures to protect the ancient grove.
"We definitely breathed a sigh of relief," Mr Mackenzie said. "It was an excellent sign that they would recover." Mr Mackenzie, who estimates he has made as many as 20 visits to the site since the fires, first aired some of his findings at the annual conference of the Ecological Society of Australia late last year. The research has been submitted for peer-review and publication.
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