Table 10.9.
Gross and net photosynthesis production and shares of the main reef zones in the total autotrophic production of the whole reef
system of the French Frigate atoll, Hawaii, with a total area
of 700 km 2
.
(Data by Atkinson and Grigg 1984)
Reef zones
Cross production of communities
Net production of communities
gCm- 2
day-l
10 3
t C year- I
Share of each
gCm- 2
10 3
t C year- 1
10 3
t year - I
of wet biomass
Share of each
per whole atoll
zone,
0/0
per whole atoll
per whole atoll
zone,
0/0
Outer reef slope and fore-reef
1.0
69.2
9
0
0
0
0
zone, 30-lOm depth
Reef flat and outer reef slope,
6.4
59.8
8
2.68
25.0
185
34
1O-0m depth
Lagoon
2.5
387.8
53
0.20
31.0
301
42
Patch reefs
9.9
216.4
30
0.77
0.77
175
23
Whole atoll
733.3
100
72.8
661
100
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