The Conversation

We can have fish and dams: here's how

Author: John Harris, Adjunct Associate Professor, Centre for Ecosystem Science, UNSW Australia

Fish are the most threatened group among Earth’s freshwater vertebrates. On average, freshwater fish populations have declined by 76% over the past 40 years. Damaged fish communities and declining fisheries characterise global freshwater environments, including those in Australia.

Fish migrate to complete their life cycles, but water-resource...

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