EPA Updates! HABs News. Research. Resources, and Tools issue* EPA Updates P.1 News P.2 HABs Advisories P.3 Useful Resources P.3 Upcoming Events P.3 Recenty Published P.4 Articles Prepare for Bloom Season! Many areas of the country begin to experience cyanobacterial blooms in the spring. Waterbody managers and public water systems that intake from at-risk waters can begin preparing now to prevent and respond to potential blooms. Here are some EPA resources to assist in managing HABs in recreational waters and drinking water: Drinking and Recreational Waters • Cvanotoxins Preparedness and Response Toolkit (CPRT) • EPA HABs Incident Action Checklist • List of Laboratories Conducting Cvanotoxin Analysis Drinking Water • Health Advisories for Cvanotoxins in Drinking Water • Recommendations for Public Water Svstems to Manage Cvanotoxins in Drinking Water • Analytical Methods for Cvanotoxins • Treatment Techniques for Cvanotoxins in Drinking Water • Water Treatment Optimization for Cvanotoxins Document Mention of trade names, products, or services in this newsletter does not convey and should not be interpreted as conveying official EPA endorsement, approval, or recommendation for use. • Drinking Water Cvanotoxin Risk Communication Toolbox Recreational Waters • Recommended Human Health Recreational Ambient Water Quality Criteria or Swimming Advisories for Microcystes and Cvli nd rospermopsi n • Final Technical Support Document: Implementing 2019 Recommended Recreational Criteria or Swimming Advisories for Microcystes and Cvli nd rospermopsi n • Recommendations for Cyanobacteria and Cvanotoxin Monitoring in More HABs information is available on EPA's CvanoHABs in Water Bodies website Recreational Waters • Recreational Water Communication Toolbox for Cyanobacterial Blooms • Control Measures for CvanoHABs in Surface Waters ------- NEWS ON HABs GEOHAB's Guidelines to Conduct Climate Change Research Recently Released GEOHAB, a joint SCOR-IOC international research programme on the Global Ecology and Oceanography of Harmful Algal Blooms of UNESCO, recently released guidelines to communicate standardized strategies, tools, and protocols to assist researchers who are studying climate change drivers and HAB prevalence in aquatic ecosystems. These guidelines represent a first step that will help inform HAB scientists, students, and otherscientists seeking to incorporate the study of HABs into larger ongoing ocean and freshwater observational studies. Second Annual Virtual Harmful Algal Bloom (HAB) Research Symposium The Algal Bloom Action Team of the North Central Region Water Network hosted the 2nd Annual Virtual HABs Research Symposium on January 6th and 7th, 2022. <- d § youtube.com/watch?v=9DfsGyRDImY8dt=432s = OYouTube Search Harmful Algal Bloom Research Symposium JANUARY 6™ AND 7™ 2022 2022 Virtual HAB Symposium Watch recordings for the four sessions of the symposium: • Cvanotoxin Treatment and Detection • Forescasting and Modeling Harmful Algal Blooms • Emerging Technologies for Detection and Monitoring • HAB Monitoring and Ecology ------- Reported Blooms, Beach Closures, and Health Advisories* - January 2022 *lncludes blooms, cautions, warnings, public health advisories, closings, and detections over state thresholds due to the presence of algae and or/toxins. This is not a comprehensive list; not all blooms have been reported and/or not all lakes are actively monitored. Go to EPA's interactive Tracking CyanoHABs Story Map to access the data points underlying the map and for more information. t Bloom t Advisory f Caution ~ Warning ~ Danger t Watch t Closing VdlHUUTCI v Seattle Montreal i Francisco UNITED STATLf Toronto Chicago Detroit St Louis Boston o NevA'ork Los Angeles Dallas Atlanta Houston Monterrey MEXICO ~ ~5 m Miami ~o Havana Click the state name to see the reported blooms for the month of January 2022: California (6k Florida (13): Kansas (7): Montana (2): Oregon (IK Rhode Island (2): South Carolina (1): Washington (1) Upcoming Virtual Events 12th International Conference on Toxic Cyanobacteria May 22-27, 2022, Toledo, Ohio Abstract Deadline: January 15, 2022 Early Registration: March 1, 2022 Pathogens and Natural Toxins e-Conference July 1 - August 31, 2022 GlobalHAB symposium on automated in situ observations of plankton August 22-26, 2022 Registration Deadline: March 15, 2022 U.S. Symposium on Harmful Algae October 23-28, 2022, Albany, New York Abstract Deadline: May 6, 2022 Additional Useful Resources February 8, 2022 Benthic HABs Discussion Group Webinar Agenda Webinar Registration For more information visit the EPA's Benthic Discussion Group webpage 3 ------- Recently Published Articles1 Sublethal exposure to Microcystis aeruginosa extracts during embryonic development reduces aerobic swimming capacity in juvenile zebrafish Emmanolia Sergi, Michail Orfanakis, Anastasia Dimitriadi, Maria Christou, Anthi Zachopoulou, Chara Kourkouta, Alice Printzi, Sevasti-Kiriaki Zervou, Pavlos Makridis, Anastasia Hiskia, George Koumoundouros, Aquatic Toxicology,Volume 243, 2022,106074. Harmful algae and climate change on the Canadian East Coast: Exploring occurrence predictions of Dinophysis acuminata. D. norvegica. and Pseudo-nitzschia seriata Aude Boivin-Rioux, Michel Starr, Joel Chasse, Michael Scarratt, William Perrie, Zhenxia Long, Diane Lavoie, Harmful Algae, Volume 112, 2022,102183. A review of the current and emerging detection methods of marine harmful microalgae Fuguo Liu, Chunyun Zhang, Yuanyuan Wang, Guofu Chen, Science of The Total Environment, Volume 815, 2022,152913. Simultaneous electrochemical removal of Microcystis aeruginosa and sulfamethoxazole and its ecologic impacts on Vallisneria spiralis Xiaonan Tang, Alan D. Steinman, Qingju Xue, Yan Xu, Liqiang Xie, Science of The Total Environment, Volume 815, 2022,152769. Cytochrome P450s in algae: Bioactive natural product biosynthesis and light-driven bioproduction Shanmin Zheng, Jiawei Guo, Fangyuan Cheng, Zhengquan Gao, Lei Du, Chunxiao Meng, Shengying Li, Xingwang Zhang, Acta Pharmaceutica Sinica B, 2022. Transcriptomic analysis dissects the regulatory strategy of toxic cyanobacterium Microcystis aeruginosa under differential nitrogen forms Xiaolong Yang, Yonghong Bi, Xiaofei Ma, Wei Dong, Xun Wang, Shoubing Wang, Journal of Hazardous Materials, Volume 428, 2022, 128276. Atmospheric chemical processes of microcystin-LR at the interface of sea spray aerosol Minglan Xu, Narcisse T. Tsona, Jianlong Li, Lin Du, Chemosphere, 2022, 133726. Potential influence of overwintering benthic algae on water quality Lefan Yao, Yuansheng Huang, Lei Chen, Yiliang He, Journal of Environmental Sciences, 2022. Benthic cyanobacteria: A utility-centred field study Virginie Gaget, Husein Almuhtaram, Faith Kibuye, Peter Hobson, Arash Zamyadi, Eric Wert, Justin D. Brookes, Harmful Algae, Volume 113, 2022, 102185. Coupling the socio-economic and ecological dynamics of cyanobacteria: Single lake and network dynamics Christopher M. Heggerud, Hao Wang, Mark A. Lewis, Ecological Economics, Volume 194, 2022,107324. Gene expression of glutathione S-transferase alpha, glutathione S-transferase rho, glutathione peroxidase, uncoupling protein 2. cytochrome P450 1A. heat shock protein 70 in liver of Oreochromis niloticus upon exposure of microcystin-LR, microcystin-RR and toxic cyanobacteria crude Abdullah S.M. Aljohani, Ahmed A. Ahmed, Sami A. Althwab, Abdullah S. Alkhamiss, Zafar Rasheed, Nelson Fernandez, Waleed Al Abdulmonem, Gene Reports, Volume 26, 2022, 101498. *Articles are retrieved monthly from Science Direct research database searching for the following key words: cyanobacteria, cyanotoxins, harmful algal blooms, and HAB(s). Would you or a colleague like to sign up to receive future issues of this newsletter? 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