Marine algal bloom spreads to Coorong North Lagoon

Algae from a bloom that has killed marine life throughout South Australian seas over the past few months has been detected in the fragile saline environment of the Coorong.

The Karenia mikimotoi-dominated algae mix is believed to have entered the North Lagoon via the mouth of the River Murray during last week’s stormy weather and high tides.

Faith Coleman examines one of the dozens of dead crabs found along the shoreline of the North Lagoon. 

See ABC News Article dated 4/06/2025 by Caroline Horn here

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