One of the Murray-Darling Basin’s most important wetlands, the Macquarie Marshes, has become drier during the past 20 years, leading to severe loss of ancient red gum trees and invasion of terrestrial plants, two new UNSW studies have revealed.
An aerial survey by UNSW researchers reveals that waterbirds and water have vanished from the northern reaches of Macquarie Marshes wetland, north of Dubbo.