View in EDS

Tracking a large‐scale and highly toxic Arctic algal bloom: Rapid detection and risk communication.

Saved in:
Bibliographic Details
Title: Tracking a large‐scale and highly toxic Arctic algal bloom: Rapid detection and risk communication.
Authors: Fachon, Evangeline, Pickart, Robert S., Sheffield, Gay, Pate, Emma, Pathare, Mrunmayee, Brosnahan, Michael L., Muhlbach, Eric, Horn, Kali, Spada, Nathaniel N., Rajagopalan, Anushka, Lin, Peigen, McRaven, Leah T., Lago, Loreley S., Huang, Jie, Bahr, Frank, Stockwell, Dean A., Hubbard, Katherine A., Farrugia, Thomas J., Lefebvre, Kathi A., Anderson, Donald M.
Source: Limnology & Oceanography Letters; Feb2025, Vol. 10 Issue 1, p62-72, 11p
Subject Terms: PARALYTIC shellfish toxins, ALGAL blooms, DINOFLAGELLATE blooms, MARINE resources, FOOD chains
Abstract: In recent years, blooms of the neurotoxic dinoflagellate Alexandrium catenella have been documented in Pacific Arctic waters, and the paralytic shellfish toxins (PSTs) that this species produces have been detected throughout the food web. These observations have raised significant concerns about the role that harmful algal blooms (HABs) will play in a rapidly changing Arctic. During a research cruise in summer 2022, a massive bloom of A. catenella was detected in real time as it was advected through the Bering Strait region. The bloom was exceptional in both spatial scale and density, extending > 600 km latitudinally, reaching concentrations > 174,000 cells L−1, and producing high‐potency PST congeners. Throughout the event, coastal stakeholders in the region were engaged and a multi‐faceted community response was mobilized. This unprecedented bloom highlighted the urgent need for response capabilities to ensure safe utilization of critical marine resources in a region that has little experience with HABs. [ABSTRACT FROM AUTHOR]
Copyright of Limnology & Oceanography Letters is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Complementary Index
Description
Abstract:In recent years, blooms of the neurotoxic dinoflagellate Alexandrium catenella have been documented in Pacific Arctic waters, and the paralytic shellfish toxins (PSTs) that this species produces have been detected throughout the food web. These observations have raised significant concerns about the role that harmful algal blooms (HABs) will play in a rapidly changing Arctic. During a research cruise in summer 2022, a massive bloom of A. catenella was detected in real time as it was advected through the Bering Strait region. The bloom was exceptional in both spatial scale and density, extending > 600 km latitudinally, reaching concentrations > 174,000 cells L−1, and producing high‐potency PST congeners. Throughout the event, coastal stakeholders in the region were engaged and a multi‐faceted community response was mobilized. This unprecedented bloom highlighted the urgent need for response capabilities to ensure safe utilization of critical marine resources in a region that has little experience with HABs. [ABSTRACT FROM AUTHOR]
DOI:10.1002/lol2.10421