Darling River ecology 'extinct' and Murray cod 'in real trouble', warns expert Dr Stuart Rowland

Darling River ecology 'extinct' and Murray cod 'in real trouble', warns expert Dr Stuart Rowland
By Sean Murphy
© Provided by ABC NEWS
Murray cod numbers in the Murray-Darling system will never return to what they were just decades ago, says Dr Rowland. (ABC Landline: Sean Murphy)
The Darling River's aquatic ecology is so degraded it has become extinct and iconic fish species including the Murray cod face an uncertain future, according to one of Australia's most respected fish scientists.
Dr Stuart Rowland worked for the New South Wales Department of Primary Industries for 33 years until 2011. He is credited with describing the biology of the Murray cod and developed hatchery techniques for a number of native fish species.

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