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The Barmah Choke water trade balance to start the 2025–26 water year will deliver a substantial trade opportunity for water users.

The research focused on improving understanding of low flow requirements of environmental assets and values in a climate change context and developing a conservation prioritisation method to identify priority locations for future management decisions.

This report documents progress with Basin Plan implementation activities from 1 July 2023 to 30 June 2024.

​​This study explored the ability to develop reference curves to describe exemplar age class distributions for key floodplain tree species. ​ ​​Understanding the characteristics of tree populations, such as their density, age structure, rates of recruitment (germination and establishment of new trees), growth, and mortality (death rates), are important to understanding the likelihood that tree populations are sustainable. This includes understanding the role of these processes on age class distributions. Developing reference curves – tools that help to define the acceptable limits of parameters such as age class distributions – helps us to determine the likelihood that tree populations are sustainable or may require management intervention to promote recruitment or old growth for example. ​

The Basin Plan sets sustainable diversion limits (SDL). This is how much water can be used in the Murray–Darling Basin by towns and communities, farmers and industries, while keeping the rivers and the environment healthy. To provide flexibility, the Basin Plan includes a mechanism to adjust sustainable diversion limits.

In 2024, we tested our early thinking on the Basin Plan Review with stakeholders and communities, and shared what we heard.

Each year, as part of the Basin Plan's monitoring and evaluation program, Basin governments report on how they are implementing different elements of the Basin Plan.

Basin state governments develop water resource plans. We work closely with Basin state governments to ensure water resource plans meet the requirements of the Basin Plan, and address the local requirements of water resource management.

Under the bilateral agreement, Sustainable Diversion Limit reporting and compliance methodologies are based on respective proposed water resource plan (WRP) methodologies (Chapter 5 and applicable Schedules).

Interstate water trading allows water users to trade water across state borders where river systems are connected. This allows irrigators to source water from, or sell water to, a broader range of users.