Table 1. Biotic and abiotic class components at Ningaloo Reef and their codes as used in the field and in the classification system.

Name	Code
Hard coral	HC
Soft coral (e.g. Sinularia spp.)	SC
Branching coral	CB
“Blue tip” branching coral (Acropora cervicornis)	CBT
Digitate coral	CD
Encrusting coral	CE
Submassive coral	CS
Tabulate coral	CT
Massive coral	CM
Foliaceous coral	CF
Turfing algae or macro-algae-covered intact dead coral or rubble	TA- or MA-covered IDC or R
Limestone pavement	LP
Macro-algae (consisting largely of Sargassum myriocystum)	MA
Rubble	R
Sand	S
Turfing algae	TA