Introduction
The Murray-Darling is the longest river system in Australia, covering an area of one million square kilometers and ranked fifteenth in the world in terms of the lengths. The Murray- Darling river system has long played an important role in the Australian agricultural sector as well as in providing various ecosystem services and supporting biodiversity for a vast array of plants and animals. Changes in land use, water extractions and river management in the Murray-Darling Basin have increased pressure on the Basin's water resources, leading to significant concern over water quality and the status of ecosystem health. The regulation of ...