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What is really happening with South Australia’s coastal algal bloom, and why does it matter?

Since March 2025, a toxic bloom of Karenia mikimotoi has spread along over 150 km of South Australia’s coastline, killing hundreds of species and upending local fisheries, tourism, and marine ecosystems. 

In this episode, ecologist Faith Coleman helps us understand how this bloom came to be: its causes, its consequences, and what coastal communities and science are doing about it.

We explore the role of marine heatwaves, nutrient run-off, and climate patterns and discuss whether this is a one-time event or a spoiler of what is to come.

🔗 Do you want to learn more about this algal bloom?

• Environment SA: https://www.environment.sa.gov.au/news-hub/news/articles/2025/07/sa-harmful-algal-bloom-update
• The Guardian: https://www.environment.sa.gov.au/news-hub/news/articles/2025/07/sa-harmful-algal-bloom-update
• LinkedIn Article: https://www.linkedin.com/pulse/cold-enough-yet-faith-coleman-hsezc
• Croakey Health Media: https://www.croakey.org/health-experts-sound-alarm-on-algal-bloom-crisis-calling-for-climate-action-and-comprehensive-responses/
• ABC News: https://www.abc.net.au/btn/classroom/sa-algal-bloom/105583560

This episode was recorded in Kaurna Country and Ngarkat Country. 

🎧 Tune in now and stay curious about water! 🌊

#OurWaterConnection #WaterCuriosity #WaterManagement #KnowledgeSharing #WaterProfessionals #WaterLiteracy

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Intro/Outro music credit to Leva