UNESCO Harmful Algae News NO.70

Mar Menor lagoon: an iconic case of ecosystem collapse, Juan M Ruiz, Jaime Bernardeau-Esteller, M Dolores Belando & Jesús Mercado …………………………………………….……………………………………………...………………1

The Mar Menor Oyster Initiative, a strategy to prevent algal blooms in a eutrophic lagoon in Spain, Eve Galimany, Sebastián Hernandis, Angel Hernández-Contreras, Francisco Gómez, Marina Albentosa & Fiz da Costa..……….…..6

Multi-specific Harmful Algal Bloom in a Chilean Fjord: A dangerous phytoplankton cocktail, Patricio A. Díaz, Iván Pérez-Santos, Camila Schwerter, Sara Arenas, Pilar Navarro, Guido Mancilla-Gutiérrez & Facundo Barrera……….…..8

Red Tide Adaptation and Response Network (REARMAR): bridging local, scientific and policy knowledge for smallscale benthic fisheries in the northern Chilean Patagonia, Andrés Marín,  Gabriela Lizana, Diego Valdivieso & Patricio A Díaz…………………………………………………………………………………..………………..……….10

An unprecedented harmful algae bloom in the beaches of Rio, Brazil, Priscila K Lange, Gleyci AO Moser, Domênica T de Lima, Silvana Vianna, Lohengrin Fernandes & Silvia Mattos Nascimento…………………………………….……..12

High Biomass Bloom of a dinoflagellate (Scrippsiella sp., Dinophyceae) in a tropical estuary in northern Bahia State, Northeast Brazil, Loreane D Alves & Doriedson F Gomes …………………..………………………………………14

Limnoraphis robusta bloom in Hanabanilla reservoir, central-southern Cuba, Aimee Valle-Pombrol, Augusto Comas-González, Angel R Moreira-González, Minerva Sánchez-Llull & Yanelis C Rodríguez.................…………………………. …15

IOCARIBE HAB-ANCA launches the HAB Virtual Course in 360 virtual reality, J Ernesto Mancera-Pineda,

Edgar Arteaga, Julian Franco-Angulo & Luis F Santos…......................................……………………………………………..……….16

MixONET, a new SCOR Working Group # 165 on Mixotrophy in the Ocean network, Aditee Mitra &George McManus………………………………………………………………………………………………………………………………...……...….17

GlobalHAB/EuroMarine Workshop on Modelling and Prediction of Harmful Algal Blooms, Neil Banas….19

Meeting of the GlobalHAB Scientific Steering Committee, Glasgow, Scotland, May 2022, Elisa Berdalet & Henrik Enevoldsen.………………………………………………………….………………………………………………..…………………..20

Forthcoming Events………………………………………………………………………………………..22