Coral recovery – the time perspective

Coral recovery – the time perspective

When thinking about coral loss and recovery, it helps to have a sense of time and a sense of urgency. Time began about 13.5 billion years ago.  The first organisms were formed in the sea around 3.8 billions years ago. Corals have existed for over 500 million years,...
Counting survivors

Counting survivors

Scientists  conducted detailed surveys of fish and coral around Lizard Island in 2011, 2015 and 2017. By counting surviving species, they quantify the impact of the major detrimental events that occurred in this period.  Such detailed multi-year site-specific...
Death by bleaching

Death by bleaching

Sea temperatures around Lizard Island and elsewhere in the northern sector of the Great Barrier Reef were one or two degrees above normal for several weeks in March 2016, but started to cool off in April.   See BOM Anomaly Forecast. Coral tolerates short-term...
Epaulette sharks & climate change

Epaulette sharks & climate change

Recent research shows at least one small shark species will be able to cope with the level of ocean acidification predicted for the end of this century. Dr. Jodie Rummer from the ARC Centre of Excellence for Coral Reef Studies (CoralCoE) at James Cook University (JCU)...