Keswick Island

Macroalgae cover, known to impact the health of coral communities, has remained relatively stable over time. Coral cover, also stable, comprises typical mid-shelf reef communities and the associated clearer water quality.

Presence of disease in the inshore coral communities of Mackay and Hay Point has fluctuated over 13 years of monitoring. Bleaching, however, has only been recorded alongside accumulated sea surface temperature peaks, such as in 2020.