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Updated: Oct 27, 2025
09:47
A Standardized Procedure for Monitoring Harmful Algal Blooms in Chile by Metabarcoding Analysis
Published on: August 26, 2021
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Global harmful algal bloom status reporting
Gustaaf Hallegraeff1, Henrik Enevoldsen2, Adriana Zingone3
1Institute for Marine and Antarctic Studies, University of Tasmania, Private Bag 129, Hobart, Tasmania 7001, Australia.
Harmful Algae
|April 20, 2021
Summary
Harmful algal blooms (HABs) show diverse types and impacts, varying regionally. While human health risks are managed, economic sectors like aquaculture and tourism remain vulnerable to these events.
Area of Science:
- Marine Biology
- Ecology
- Environmental Science
Background:
- Harmful algal blooms (HABs) present a complex and varied global picture, with diverse causative species exhibiting distinct ecological traits and responses to environmental shifts.
- Regional and local scales reveal heterogeneous trends in HAB frequency and intensity, including increases, decreases, and sudden outbreaks, often influenced by observational efforts.
Discussion:
- While enhanced monitoring mitigates direct human health impacts from HABs, significant socio-economic risks persist for vital industries.
- Aquaculture, fisheries, marine resource utilization, and tourism face continued economic vulnerability due to the unpredictable nature of HAB events.
Key Insights:
- The diversity of HABs and their impacts necessitates region-specific management strategies.
- Increased monitoring aids in controlling direct health risks but does not eliminate economic threats to marine-dependent activities.
Outlook:
- Future research should focus on understanding regional HAB dynamics and developing targeted strategies to bolster economic resilience.
- Continued investment in monitoring and adaptive management is crucial for mitigating the ongoing socio-economic consequences of harmful algal blooms.
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