The Great Barrier Reef, one of the most biologically diverse ecosystems on the planet has experienced its third mass coral bleaching event in 5 years.  But what impact is this having across the whole ecosystem and what is the outlook for the future? We speak with Dr Anne Hoggett AM from the Lizard Island Research Station and Tanya Murphy from Divers for Reef Conservation. Support their workLizard Island Reef Research Foundation - https://lirrf.org/Divers for Reef Conservation - http://diversforreefconservation.com/This week's show is #1243 and was produced by Megan Williams