Fig.2. Relative frequency percentage of
fish larvae community during the
investigated period
G cicerelllls
25%
S. allrita
2%
Fish Larval Biomass and Plankton Production
145
6%
E. encra ·icho{u .
4%
Other
species
1%
L. mormyrus
1%
Table 2. Monthly species composition percentage of the captured fish larvae
Species
January February March
E. encrasicholus
0.47
A. minuta
6.88
11.57
0.03
s. aurita
81.49
G. cicerellus
0.13
1.14
92.85
S. pilchardus
11.00
87.27
7.09
P. marmoratus
L. mormyrus
Other species
0.03
0.Q2
0.03
100
90
80
70
~
. . 60
...
.r: bl)
~
50
... Q.I 40
:s
30
20
10
0
April
May
June
July
28.63
1.22
3.31
0.38
2.50
95.60
65.26
97.00
34.27
27.65
0.04
1.90
33.52
3.00
5.72
A
Mo nth
August
7.67
15.05
77.28
D
October November December
69.25
98.20
0.30
0.05
lO.02
19.99
0.74
1.45
o E. encrasichoilis
Em A. minula
o . aurita
o G cicereflu
IiiOI S. pilchardus
o P. marmora/us
77.07
6.66
13.31
2.96
Fig.3. Temporal biomass distribution of the dominant fish larvae species in the investigated area
Précédent

- 154/490

Suivant