Australia's vast kelp forests devastated by marine heatwave, study reveals

About 90% of forests off the western coast were wiped out between 2011 to 2013, posing a threat to biodiversity and the marine economy, say scientistsA hundred kilometres of kelp forests off the western coast of Australia were wiped out by a marine heatwave between 2010 and 2013, a new study has revealed.About 90% of the forests that make up the north-western tip of the Great Southern Reef disappeared over the period, replaced by seaweed turfs, corals, and coral fish usually found in tropical an