Table 4.14. Average biomass (B) of mass species of algae in reef bottom biotopes of some islands of the Indian Ocean. (After Vinogradova
t:::O
and Kalugina-Gutnik 1985)
20
Reef
Mass species of algae
Reef zones, biomass
:3
"tI
S"
Coastal channel, sand
Reef flat
Reef edge, patch reefs,
:=?
;l>
sand
'"
kgm- 2
% of total
kgm- 2
% of total
'" 0
kgm- 2
% of total
Q.
~
o·
N-E reefs off
Thalassiodendron ciliatum
1.06
98.6
0.02
2.8
1.79
79.9
::I
'"
Koetivi I.,
Udotea flabellum
0.015
1.4
0.16
22.7
0.015
0.7
Seychelles
Dictiosphaeria cavernosa
0
0
0.49
69.4
0.40
17.8
Laurencia sp.
0
0
0.002
0.3
0.032
1.4
Jania rubens
0
0
0.02
3.0
0
0
Leeward
reef
Thalassiodendron ciliatum
0.71
55.7
0
0
0
0
off Kargados
Caulerpa cupressoides
0.31
24.5
0.19
1.0
0
0
Karahos I.
Dictiosphaeria cavernosa
0.12
9.4
0
0
0
0
Halimeda opunta
+ Halimeda
0
0
21.45
95.8
0.22
28.9
sp.
0
0
0
0
0.55
71.0
Udotea sp.
'"-'
~