Table 3.17.
Day and night zooplankton numbers over the North reef of Koetivi Island (Seychelles) (data by the author)"
Time
Station b
Numbers of main zooplankton groups (m- 3
)
Total biomass,
mgm- 3
(wet
Copepoda
Mysidae and
Zoea of
Polychaetes
Veligers
Fish eggs,
weight)
euphausiids
crabs
(young)
others
1100h a.m.
1
24
0
0
0
8
16
50
2
24
0
0
0
16
8
20
3
16
0
8
8
24
16
40
1000h p.m.
1
190
700
300
22
130
60
1820
2
220
1290
840
65
1150
40
3650
3
120
980
380
15
240
110
2800
a
Water (150 I) was passed by a bucket through the plankton net of 6011
mesh; biomass was estimated by wet combustion.
b
Station 1: 30 m offshore up sandy bottom at 2 m depth;
Station 2: 60 m offshore, patch reef, at 4 m depth;
Station 3: 250 m offshore, patch reef
at 6m depth.
N
0
0
'1:1
6>
::;
i><"'
0::;
- o
'Cl
Day and night zooplankton numbers over the North reef of Koetivi Island (Seychelles) (data by the author)"
Time
Station b
Numbers of main zooplankton groups (m- 3
)
Total biomass,
mgm- 3
(wet
Copepoda
Mysidae and
Zoea of
Polychaetes
Veligers
Fish eggs,
weight)
euphausiids
crabs
(young)
others
1100h a.m.
1
24
0
0
0
8
16
50
2
24
0
0
0
16
8
20
3
16
0
8
8
24
16
40
1000h p.m.
1
190
700
300
22
130
60
1820
2
220
1290
840
65
1150
40
3650
3
120
980
380
15
240
110
2800
a
Water (150 I) was passed by a bucket through the plankton net of 6011
mesh; biomass was estimated by wet combustion.
b
Station 1: 30 m offshore up sandy bottom at 2 m depth;
Station 2: 60 m offshore, patch reef, at 4 m depth;
Station 3: 250 m offshore, patch reef
at 6m depth.
N
0
0
'1:1
6>
::;
i><"'
0::;
- o
'Cl
