| Communities | Year | Sampling strategy | Sampling method
|
| Coral | 1979, 1982 and 1995 | 5 10m transects on 9 stations (3 on the fringing reef, 2 on the barrier reef and 4 on the outer slope at -5, -10, -20 and -30m | Coral length by interception
|
| | from 1987 to 1993 | 20 0,25m² (0,5mx0,5m) quadrats | Coral surface by vertical projection
|
| Molluscs | from 1971 to 1995 | 1 5m² (2x2,5m) over 4 on the radiale of Tiahura | Qualitative sample
|
| Echinoderms | from 1971 to 1995 | All the 5m² (2x2,5m) quadrats or 1 over 4 on the radiale of Tiahura depending on the species | Individuals count
|
| Fish | 1983, from 1987 to 1997 | 1 100m² (2x50m) sampled 4 times consecutively on the fringing reef, barrier reef and on the outer slope (-12m) | Individuals count |
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