Biosecurity officials have declared the eradication of karroo thorn after the trees were detected and destroyed ... become a bigger problem than prickly acacia, which is one of Queensland's ...

Incredibly, there are still plants growing here. Like this acacia tree. It has long thorns that hold water. Plus very deep roots in the ground that gets the water it needs to survive. And animals too!

The Gum Arabic and Paperback Thorn trees are also extremely resilient to severe wildfires. “While many other acacia species have longer gestation periods, the drought-tolerant nilotica [Gum ...