Slade Rock

  • Hard coral cover at Slade Island has had notable declines following tropical cyclones (2010 and 2017) and significant regional heat stress event (2020). More recently there have been increases to soft and hard corals. Reductions in macroalgae (2020 and 2022) has largely persisted, potentially providing greater light penetration and substrate for coral growth.

    Mean percentage of Benthic Composition

  • Presence of disease in the inshore coral communities of Mackay and Hay Point has fluctuated over 13 years of monitoring. Severe bleaching, however, has only been recorded alongside the region-wide accumulated sea surface temperature peak in 2020.

    Mean density of affected coral colonies per 40 square metres