UNESCO Harmful Algae News NO.73

Rapid response to a massive marine mammal stranding event associated with domoic acid poisoning in central to southern California

Clarissa Anderson, Jayme Smith, Raphael Kudela, Tenaya Norris, Alissa Deming, Lauren Palmer, Ruth Dover, Michelle Berman-Kowalewski, Kathi Lefebvre…………………..….1

Northward expansion of the Atlantic waters may lead to increased presence of HAB species in the western Barents Sea

Qingshan Luan, Elaine Mitchell & Keith Davidson…...………………………………5

High-Biomass Harmful Algal Blooms (HB-HAB) in the Chilean Fjords System: Prorocentrum micans, Patricio A Díaz, Iván Pérez-Santos, Camila Schwerter, Sergio A Rosales, Gonzalo Álvarez, Fabiola Villanueva , Pamela Urrutia, Leila Basti………………………………………………………………………….8

Identification of Caribbean ciguatoxins from benthic dinoflagellates advances knowledge on toxin chemistry and analysis, Elizabeth M. Mudge, Nancy I Lewis, Pearse McCarron, Christopher O Miles, Silvio Uhlig, Fedor Kryuchkov, Jessica K. Gwinn, Alison Robertson …………..……………………………………...….10

Exploring the current and historic health of lakes in Aotearoa-New Zealand, ………………………………………………………………..…12

Expansion of the Cawthron Institute Culture Collection of Microalgae (CICCM), Lesley Rhodes, Kirsty  Smith…………………………………………14

HABs in ASLO 2023……..……………………………………….…15

The Mixoplankton Paradigm in Planton Ecology, George McManus, Aditee Mitra, Beatriz Reguera, Luciana Santoferrara …..…………………………………..15

Research on Karenia brevis blooms in the eastern Gulf of Mexico, Anne E. Booker, Cong Fei, Carly Moreno, Tristyn Bercel ………………………….…………18

Second UK Harmful Algae Group Meeting - Aberdeen 2023, Christine Edwards ………………………………..…19

Gary Jay Kirkpatrick in memoriam, Oscar Schofield…………………..….21

Red Tides Archives. The Sherkin Island Marine Station Long-term Phytoplankton Record, Barrie Dale ………………………..25

ISSHA’s Corner. Get Ready for the Upcoming ICHA20 meeting….………………………………………………………………...28

Announcement of Special Issue on Karen Steidinger……………..……29

NEW!  Book on Marine Benthic Dinoflagellates (see page 4)