Articles on Mass fish death

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A report has found the causes of mass fish deaths in the Darling river. Dean Lewins/AAP

We wrote the report for the minister on fish deaths in the lower Darling – here’s why it could happen again

Fish deaths at the lower Darling can happen again. Here's what we can do about it.
Dead fish are a source of food for bacteria, which then extract oxygen from the river. AAP

How is oxygen ‘sucked out’ of our waterways?

Hundreds of thousands of fish have died in low-oxygen water. Here's what actually happened to the oxygen, and why we might see more deaths in the coming weeks.

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