Sydney Botanic Gardens experts conduct genetic testing to help restore the only population of river red gums east of the Great Dividing Range.
An Emergency Warning has been issued for Tara, Kogan, Halliford, Wieambilla, Moonie, and Durong in QLD. For the latest, search onResearchers hope genetic testing can help restore river red gums in parts of eastern New South Wales, where they are endangered.
Royal Botanic Gardens Sydney Research Centre for Ecosystem Resilience head Maurizio Rossetto said the Hunter population had previously been connected to regions further west. "Now that we are interested in trying to restore some of those populations, we have to make sure we do it in the most resilient, self-sustaining way."Genetic diversity is the range of different inherited traits within a species.
"When the pollen from one tree lands on the flower of another plant, need to not be too closely related or you won't get seed," Ms Hogbin said.Faced with declining water conditions and devastating drought, river red gums have suffered along some parts of the Murray River."Then we know how these trees are related within this patch, how they're related to trees out west."
Seeds gathered from northern catchments such as the Namoi River, where temperatures are already what they are expected to be in the Hunter under climate change, can be planted further south.Community groups, coal mining operations and local councils are looking to use findings from Restore and Renew to guide future plantings.
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