(a) CONGO
(b) ANGOLA
Data on Sardinella length distributions in Congo from 1964 to 1978, by month, assembled by
P. M'Fina
N = number of fish measured each month
P = monthly landings in tonnes, by the boats of the major industrialized company, where sampling took place
p = total weight of the monthly samples
LF = fork length
Sources: |
Ghéno and Poinsard 1969: |
1964-1968 |
|
Ghéno 1971: |
1969 |
|
Ghéno and Fontana 1973: |
1970-1972 |
|
Bouchereau 1976: |
1973-1975 |
|
Centre ORSTOM: |
1976-1978 |
Monthly length frequency distribution of S. maderensis sampled in Angola (1969 and 1970)
1969
Fork |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
7 |
|
|
|
|
|
0 |
|
|
|
|
|
|
8 |
|
|
|
|
|
10 |
|
|
|
|
|
|
9 |
|
|
|
|
|
14 |
|
|
5 |
|
|
|
10 |
|
|
|
|
|
13 |
0 |
0 |
10 |
|
|
|
11 |
|
|
|
|
|
36 |
0 |
48 |
9 |
|
|
|
12 |
|
|
|
|
|
73 |
0 |
55 |
2 |
|
|
|
13 |
|
|
|
|
|
49 |
1 |
30 |
0 |
|
|
|
14 |
|
|
|
|
|
61 |
19 |
22 |
0 |
|
|
|
15 |
|
|
|
|
|
58 |
37 |
7 |
0 |
|
|
0 |
16 |
|
|
|
|
|
14 |
19 |
22 |
0 |
|
|
0 |
17 |
|
|
|
|
|
8 |
7 |
40 |
0 |
|
|
0 |
18 |
|
|
|
|
|
7 |
7 |
38 |
0 |
|
|
1 |
19 |
|
|
|
|
|
14 |
9 |
0 |
2 |
|
1 |
3 |
20 |
|
|
|
|
|
9 |
51 |
0 |
16 |
35 |
10 |
21 |
21 |
|
|
|
|
|
17 |
27 |
0 |
35 |
99 |
20 |
96 |
22 |
|
|
|
|
|
38 |
30 |
1 |
64 |
135 |
20 |
200 |
23 |
|
|
|
|
|
79 |
44 |
7 |
48 |
149 |
43 |
198 |
24 |
|
|
|
|
|
45 |
64 |
46 |
17 |
183 |
106 |
159 |
25 |
|
|
|
|
|
10 |
82 |
72 |
28 |
141 |
82 |
108 |
26 |
|
|
|
|
|
1 |
40 |
23 |
6 |
103 |
31 |
41 |
27 |
|
|
|
|
|
0 |
5 |
9 |
1 |
62 |
10 |
10 |
28 |
|
|
|
|
|
0 |
0 |
0 |
1 |
7 |
1 |
2 |
29 |
|
|
|
|
|
0 |
0 |
0 |
0 |
1 |
0 |
0 |
Total |
|
|
|
|
|
556 |
422 |
420 |
244 |
915 |
324 |
839 |
1970
Fork |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
7 |
|
|
|
|
|
|
|
|
|
|
|
|
8 |
|
|
|
|
|
|
|
|
|
|
|
|
9 |
|
|
|
|
|
|
|
|
|
|
|
|
10 |
|
|
|
|
|
|
|
|
|
|
|
|
11 |
|
|
|
|
|
|
|
|
|
|
|
|
12 |
|
|
|
|
|
|
|
|
|
|
|
|
13 |
|
|
|
|
|
|
|
|
|
|
|
|
14 |
|
|
|
|
|
|
|
|
|
|
|
|
15 |
0 |
|
|
|
|
|
|
|
|
|
|
|
16 |
5 |
|
|
|
|
|
|
|
|
|
|
|
17 |
6 |
|
|
|
|
|
|
|
|
|
|
|
18 |
12 |
|
2 |
1 |
|
|
|
|
|
|
|
|
19 |
65 |
5 |
20 |
0 |
|
|
|
|
|
1 |
|
|
20 |
180 |
31 |
72 |
18 |
|
|
|
0 |
2 |
33 |
|
|
21 |
235 |
119 |
97 |
38 |
|
|
|
4 |
5 |
106 |
|
|
22 |
141 |
139 |
52 |
83 |
|
|
|
8 |
2 |
79 |
|
|
23 |
86 |
211 |
72 |
110 |
|
|
|
4 |
15 |
61 |
|
|
24 |
47 |
110 |
78 |
126 |
|
|
|
9 |
17 |
36 |
|
|
25 |
14 |
121 |
22 |
107 |
|
|
|
17 |
7 |
52 |
|
|
26 |
4 |
35 |
7 |
47 |
|
|
|
10 |
41 |
45 |
|
|
27 |
|
15 |
0 |
14 |
|
|
|
4 |
70 |
27 |
|
|
28 |
|
2 |
1 |
3 |
|
|
|
|
74 |
11 |
|
|
29 |
|
0 |
0 |
0 |
|
|
|
|
6 |
1 |
|
|
Total |
795 |
788 |
423 |
547 |
|
|
|
56 |
239 |
452 |
|
|
Source: Ghéno and Campos Rosado (1972)
S. MADERENSIS, ANGOLA (ST. PAUL DE LUANDA)
1974
Fork |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
8 |
|
|
|
|
|
|
|
|
|
|
|
|
9 |
|
|
|
|
|
|
|
|
|
|
|
|
10 |
4 |
|
|
|
|
|
|
|
|
|
|
|
11 |
23 |
|
|
|
|
|
|
|
|
|
|
|
12 |
16 |
|
|
1 |
|
|
|
|
|
|
|
|
13 |
6 |
|
|
4 |
|
|
|
|
|
|
|
|
14 |
2 |
|
2 |
12 |
|
|
|
|
|
|
|
|
15 |
|
|
1 |
18 |
|
|
|
|
|
|
|
|
16 |
|
|
6 |
14 |
|
|
|
|
|
|
|
|
17 |
|
|
11 |
2 |
|
|
|
|
|
|
|
|
18 |
|
|
11 |
4 |
|
|
|
|
|
|
|
|
19 |
|
|
2 |
4 |
|
|
|
|
|
|
|
|
20 |
|
|
|
4 |
|
|
|
|
|
|
|
|
21 |
|
|
|
7 |
|
|
9 |
|
|
|
|
|
22 |
|
|
|
6 |
2 |
1 |
14 |
|
|
|
|
|
23 |
|
|
|
2 |
4 |
|
12 |
|
|
|
|
|
24 |
|
1 |
|
6 |
6 |
4 |
|
|
|
|
|
|
25 |
|
3 |
1 |
8 |
19 |
17 |
2 |
|
|
|
|
|
26 |
|
12 |
6 |
13 |
10 |
10 |
|
|
|
|
|
|
27 |
|
26 |
5 |
7 |
7 |
3 |
2 |
|
|
|
|
|
28 |
|
7 |
25 |
17 |
2 |
3 |
|
|
|
|
|
|
29 |
|
8 |
14 |
8 |
|
1 |
1 |
|
|
|
|
|
30 |
|
3 |
22 |
2 |
|
1 |
|
|
|
|
|
|
31 |
|
2 |
5 |
1 |
|
|
|
|
|
|
|
|
32 |
|
|
4 |
|
|
|
|
|
|
|
|
|
33 |
|
|
|
|
|
|
|
|
|
|
|
|
34 |
|
|
1 |
|
|
|
|
|
|
|
|
|
Total |
51 |
62 |
116 |
140 |
50 |
40 |
40 |
|
|
|
|
|
Source: ICSEAF Sampling Bulletin 1
The length probably refers to total length
MONTHLY LENGTH FREQUENCY DISTRIBUTION OF S. AURITA SAMPLED IN ST. PAUL DE LOANDA, ANGOLA, 1969 and 1970
1969
Fork |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
8 |
|
|
|
|
|
4 |
|
|
|
|
|
|
9 |
|
|
|
|
|
15 |
|
|
23 |
|
|
|
10 |
|
|
|
|
|
30 |
65 |
1 |
82 |
|
|
|
11 |
|
|
|
|
|
5 |
103 |
45 |
33 |
|
|
|
12 |
|
|
|
|
|
18 |
31 |
107 |
27 |
|
|
|
13 |
|
|
|
|
|
31 |
3 |
31 |
11 |
|
|
|
14 |
|
|
|
|
|
6 |
5 |
4 |
4 |
|
|
|
15 |
|
|
|
|
|
11 |
5 |
|
|
|
|
|
16 |
|
|
|
|
|
|
|
|
|
|
|
|
17 |
|
|
|
|
|
|
2 |
|
2 |
|
|
|
18 |
|
|
|
|
|
1 |
|
|
|
|
|
|
19 |
|
|
|
|
|
3 |
5 |
|
7 |
|
|
|
20 |
|
|
|
|
|
7 |
2 |
|
62 |
|
|
|
21 |
|
|
|
|
|
12 |
15 |
3 |
50 |
|
2 |
4 |
22 |
|
|
|
|
|
12 |
27 |
9 |
86 |
5 |
4 |
11 |
23 |
|
|
|
|
|
100 |
67 |
14 |
93 |
12 |
14 |
6 |
24 |
|
|
|
|
|
147 |
124 |
44 |
96 |
69 |
14 |
20 |
25 |
|
|
|
|
|
102 |
98 |
149 |
143 |
97 |
16 |
22 |
26 |
|
|
|
|
|
19 |
38 |
65 |
79 |
153 |
24 |
91 |
27 |
|
|
|
|
|
5 |
4 |
24 |
19 |
117 |
12 |
87 |
28 |
|
|
|
|
|
|
1 |
|
|
13 |
1 |
12 |
29 |
|
|
|
|
|
|
|
|
|
3 |
|
|
Total |
|
|
|
|
|
528 |
595 |
496 |
817 |
469 |
87 |
253 |
Source: Ghéno and Campos Rosado (1972)
1970
Fork |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
8 |
|
|
|
|
|
|
|
|
|
|
|
|
9 |
|
|
|
|
|
|
|
|
|
|
|
|
10 |
|
|
|
|
|
|
|
|
|
|
|
|
11 |
|
|
|
|
|
|
|
|
|
|
|
|
12 |
|
|
|
|
|
|
|
|
|
|
|
|
13 |
|
|
|
|
|
|
|
|
|
|
|
|
14 |
|
|
|
|
|
|
|
|
|
|
|
|
15 |
|
|
|
|
|
|
|
|
|
|
|
|
16 |
|
|
|
|
|
|
|
|
|
|
|
|
17 |
|
|
|
|
|
|
|
|
|
|
|
|
18 |
1 |
|
|
1 |
|
|
|
|
|
|
|
|
19 |
|
|
|
|
|
|
|
|
|
|
|
|
20 |
|
|
|
|
|
|
|
|
1 |
|
|
|
21 |
|
|
|
3 |
|
|
|
6 |
1 |
|
|
|
22 |
2 |
|
1 |
7 |
|
|
|
8 |
|
|
|
|
23 |
|
|
1 |
18 |
|
|
|
12 |
|
|
|
|
24 |
|
|
4 |
9 |
|
|
|
5 |
8 |
1 |
|
|
25 |
|
2 |
|
5 |
|
|
|
6 |
5 |
1 |
|
|
26 |
3 |
3 |
|
4 |
|
|
|
1 |
18 |
4 |
|
|
27 |
|
12 |
1 |
1 |
|
|
|
2 |
52 |
23 |
|
|
28 |
|
|
2 |
|
|
|
|
1 |
65 |
24 |
|
|
29 |
|
2 |
|
|
|
|
|
1 |
7 |
1 |
|
|
Total |
6 |
19 |
9 |
48 |
|
|
|
42 |
157 |
54 |
|
|
Source: Ghéno and Campos Rosado (1972)