Table 4.15.
Percentage of projective cover of the bottom surface by dominating species of macrophytes and their species diversity (H' -
Shannon's index) at the transsect across the reef flat of the S.E. fringing reef off Lizard I.,
GBR. (After Pichon and Morrissey 1981)
Stations Position of stations
Dominating lax a of macrophytes Diversity Percentage of cover
index
on reef
(H')
Thallomic macrophytes Coralline algae
Periphytonic turfs
soft
calcareous
A
Windward slope
Halimeda opunta
2.2
3.2
8.8
2.0
86.0
C
Windward reef edge
H. opunta, Laurencia, Caulerpa, 2.1
4.9
3.6
1.2
90.3
Amphiroa
E
Reef flat
H. opunta, Laurencia, Caulerpa
1.9
4.7
3.8
0.9
90.6
G
Leeward edge of flat
Laurencia, H. opunta, Boodlea,
2.5
17.4
2.4
0.7
79.5
Dictiosphaeria, Turbinaria
H
Lagoonal patch reefs
Boodlea, Dictiosphaeria,
2.8
19.3
1.4
0.5
78.8
at leeward reef
Halimeda cavernosa
edge
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