As the waters gradually recede in our Western Queensland catchments, there are many changes in the abundance of acquatic and bird species, their behaviour, breeding success and health. All these things are influenced by changes in water flow - or lack of.
It is simply part of the natural cycle of our ecosystems. When water levels are low, and flow is non existent, oxygen levels can become depleted. It need not always be something sinister, fishy and influenced by man.
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