Annexes
Annexe 2 : Fluctuations de la production, biomasse par recrue et de la biomasse féconde en
fonction des changements de l’effort de pêche (pour Z = 2.9an
-1 ).
Factor
Y/R
B/R
SSB
0
0
12.967
8.836
0.01
0.396
12.584
8.457
0.02
0.761
12.225
8.102
0.03
1.096
11.888
7.769
0.04
1.405
11.572
7.457
0.05
1.689
11.275
7.164
0.06
1.951
10.996
6.888
0.07
2.192
10.733
6.629
0.08
2.414
10.486
6.386
0.09
2.619
10.253
6.157
0.1
2.808
10.034
5.942
0.11
2.982
9.827
5.739
0.12
3.143
9.632
5.547
0.13
3.292
9.448
5.367
0.14
3.429
9.274
5.196
0.15
3.556
9.11
5.035
0.16
3.673
8.954
4.883
0.17
3.782
8.807
4.74
0.18
3.882
8.667
4.604
0.19
3.975
8.535
4.475
0.2
4.061
8.409
4.353
0.21
4.14
8.29
4.237
0.22
4.214
8.177
4.128
0.23
4.282
8.069
4.023
0.24
4.346
7.967
3.924
0.25
4.405
7.869
3.83
0.26
4.46
7.776
3.741
0.27
4.51
7.688
3.656
0.28
4.558
7.603
3.575
0.29
4.602
7.523
3.497
0.3
4.643
7.446
3.424
0.31
4.681
7.372
3.353
0.32
4.716
7.301
3.286
0.33
4.749
7.234
3.222
0.34
4.78
7.169
3.16
0.35
4.809
7.107
3.101
0.36
4.836
7.047
3.045
0.37
4.861
6.99
2.991
0.38
4.884
6.935
2.939
0.39
4.906
6.882
2.89
0.4
4.927
6.832
2.842
0.41
4.946
6.783
2.796