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U.S. National Office for Harmful Algal Blooms

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13th U.S. Symposium on Harmful Algae | Call for Session and Workshop Proposals

By Mindy Richlen |

We are pleased to announce that the 13th U.S. Symposium on Harmful Algae will be held in Cedar Rapids, IA from October 25-29, 2026. We invite the HABs community to contribute to shaping the symposium agenda by proposing and organizing sessions within their areas of expertise. Those interested in organizing a pre-conference workshop are also invited to submit a proposal for a workshop that provides hands-on training and practical learning experience in using cutting-edge tools, technologies, and methodologies related to HABs management. The deadline for both is October 31, 2025.

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2025 Sargassum Webinar Series

By Mindy Richlen |

OAA’s Southeast and Caribbean Regional Collaboration Team (SECART) launched a five part webinar series to raise awareness about key issues surrounding Sargassum. Each webinar will highlight different aspects of Sargassum research, management, and its impacts on coastal communities and ecosystems. The goal of this series is to foster knowledge-sharing and regional collaboration across affected areas as we continue to see impacts from Sargassum inundation events. Webinar recordings will be uploaded to the SECART YouTube channel.

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U.S. National Office for Harmful Algal Blooms Releases National Science Strategy for Harmful Algal Research and Response

By Mindy Richlen |

The U.S. National Office for Harmful Algal Blooms (HABs) at the Woods Hole Oceanographic Institution (WHOI) has released a comprehensive national science strategy outlining a decade-long roadmap aimed at enhancing our understanding, monitoring, and management of HABs. “HARRNESS 2024-2034: Harmful Algal Research and Response, A National Environmental Science Strategy” defines the magnitude, scope, and diversity of the HAB problem in United States’ marine, brackish and freshwaters; addresses knowledge gaps; strengthens coordination among agencies, stakeholders, and partners; advances the development of effective research and management solutions; and builds resilience to address the broad range of HAB impacts to vulnerable communities and ecosystems in the USA.

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Upcoming Conferences and Events

By Mindy Richlen |

Interested in attending upcoming conferences, meetings, workshops, or other events related to HAB science? A timeline of  events of interest to the HAB community is available on the US HAB website, and updated periodically.  Please click  HERE to view the timeline & current listings, which are updated periodically. If you wish to post a meeting or event, please contact Harmful-Algae@whoi.edu. 

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