Lynnette Roth

Ocean Research and Education Foundation


Combined index of 4 indicators: coral cover, fleshy microalgae, herbivorous fish, and commercial fish.

Fleshy macroalgal index including coral algal ratio and algal height as well as other benthic organisms.

Biomass of fish species that feed on plants, macroalgae, and coral including parrotfish greater than 20cm.

Biomass of commercial fish species including grouper larger than 40cm

Proportion of reef surface covered by live stony coral. Considers coral cover, coral promoters, competitor ratio, coral condition (size, recent mortality, bleaching, and disease), also species richness.