262
Communities of Corals in Reef Ecosystems
H,m
0
20
110
00
80 N
0
10
20
JO
110
JO
6fJ
70
Fig. 7.4. Changes in total number of coral species on vertical profiles at the outer slopes
of the Indo-Pacific (IP) and the west Atlantic reefs (A); H depth. (Data by Kuhlmann
1983)
Table 7.2. Dominating taxa of corals in different reef zones and the percentage of cover
of the bottom by corals at the cross-section through the fringing reef off one of the Namsu
I., Gulf of Siam (Data by Latypov 1985)
Zone Reef
Coastal lagoon
("boat channel")
Backward part of
reef flat
Seaward part of
flat
Reef slope
Declined plat-form
near the base of
reef, covered
with soft
sediments and
seagrass
Dominating coral taxa
Percent cover
Total
(St)
Cover of bottom
by the two first
genera listed,
% St
Pocillopora, Zoanthus,
10-40
to 70
Psammocora, Acropora,
Goniastrea, Millepora
Acropora, Galaxea, Lepticia,
20-100 30-80
Montipora, Millepora
Porites (murrayensis), Galaxea,
60-100 50-90
Turbinaria, Acropora (millepora),
Montipora, Goniastrea
Porites (lutea), Montipora,
20-90
20-60
Acropora (millepora), Pavona,
Favia, Platygyra, Goniastrea
Leptoseris, Goniopora, Leptastrea,
3
Symphillia, Heterocyathus,
H eteropsammia