News: Algal bloom
How Hard is the Algal Bloom Hitting South Ӱֱ? Impacts on Marine Life & Humans
Our Environment Institute members have been active in the Harmful Algal Bloom (HAB) space.Discover the devastating effects of HABs on marine life, human health, and ecosystems. Learn which species are safe, the scale of destruction, and the solutions scientists are testing for recovery.
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The Harmful Algal Bloom – moving to finding a solution
As advised in a recent submissionto the into algal blooms in South Ӱֱ, researchers from the Environment Institute have recommended immediate actions. In the last month we produced and published the Environment Institute Harmful Algal Bloom (HAB) Capability statement to highlight this expertise, and help engagement with partners seeking to find solutions to the harmful algal bloom challenge.
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Steps to Clean Up the Algal Bloom
Around 30% of SA’s coastline is being impacted by a harmful algal bloom driven by heatwaves, nutrient run-off, and upwelling events. According to Environment Institute members Dr Dominic McAfee and Prof Sean Connell, the bloom is far too widespread for large-scale chemical, physical, or microbial trials. Instead, prevention and resilience are key. Oysters in affected areas are feeding on algae, mussels are cleared of toxins, and SA has committed to restoring 15 hectares of shellfish reefs. As climate change fuels more marine heatwaves and floods, HABs will return. Investing in oyster reef restoration and nature-based solutions could future-proof our coasts.
How South Ӱֱ's Algal Bloom Is Threatening Marine Life and Public Health
Environment Institute members have expressed concern over the toxic algal bloom affecting South Ӱֱ's coastline. Professor Justin Brookes highlighted that while algae play a crucial role in marine ecosystems, the current Karenia mikimotoi bloom is toxic and spreading rapidly due to warm temperatures and nutrient-rich waters. Future Making Fellow Dr Dominic McAfee described the event as an “underwater bushfire,” urging a coordinated response similar to land-based natural disasters. Both experts emphasised the need for continued monitoring and proactive measures to protect marine life and coastal communities.
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