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Annexe 3 LENGTH COMPOSITIONS


(a) CONGO
(b) ANGOLA

(a) CONGO

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

Bouchère au 1976:

1973-1975

Centre ORSTOM:

1976-1978


Sardinella aurita - 1964

Sardinella aurita - 1965

Sardinella aurita - 1966

Sardinella aurita - 1967

Sardinella aurita - 1968

Sardinella aurita - 1969

Sardinella aurita - 1970

Sardinella aurita - 1971

Sardinella aurita - 1972

Sardinella aurita - 1973

Sardinella aurita - 1974

Sardinella aurita - 1975

Sardinella aurita - 1976

Sardinella aurita - 1977

Sardinella aurita - 1978

Sardinella maderensis - 1964

Sardinella maderensis - 1965

Sardinella maderensis - 1966

Sardinella maderensis - 1967

Sardinella maderensis - 1968

Sardinella maderensis - 1969

Sardinella maderensis - 1970

Sardinella maderensis - 1971

Sardinella maderensis - 1972

Sardinella maderensis - 1973

Sardinella maderensis - 1974

Sardinella maderensis - 1975

Sardinella maderensis - 1976

Sardinella maderensis - 1977

Sardinella maderensis - 1978

(b) ANGOLA

Monthly length frequency distribution of S. maderensis sampled in Angola (1969 and 1970)

1969

Fork Length
(cm)

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 Length
(cm)

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 Length
(cm)

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 LOANED, ANGOLA, 1969 and 1970

1969

Fork Length
(cm)

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 Length
(cm)

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)


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