Annexes
39
Annexe 1 :
Tableau 1: Analyse de cohorte de Jones (1984) fondée sur les longueurs chez Boops boops (L., 1758), (sexes confondus) de la baie de BouIsmail L∞=25.79 cm, K=0.233/an, M=0.434/an, Z=0.603an, F=0.169/an et F/Z=0.280.
L i
L i+1
C.C C(L i ,L i+1 ) t(Li)
∆t
HL(L i ,L i+1 ) N(L i ) F/Z(L i ,L i+1 ) F(Li,L i+1 )
Z
N(L i ,L i+1 )*∆t W(L i ,L i+1 )*∆t B(L i ,L i+1 )(g) Y i (L i ,L i+1 )(g)
6
7
6.5
2
1.246
0.228
1.049
3654
0.006
0.003
0.437
775
4.237
3282.261
8.473
7
8
7.5
1
1.475
0.241
1.052
3316
0.003
0.001
0.435
740
6.522
4824.200
6.522
8
9
8.5
3
1.716
0.256
1.055
2994
0.010
0.004
0.438
704
9.512
6698.380
28.537
9
10
9.5
29
1.972
0.272
1.059
2686
0.091
0.044
0.478
665
13.302
8844.017
385.768
10
11
10.5
43
2.244
0.290
1.063
2368
0.138
0.069
0.503
620
17.988
11151.229
773.474
11
12
11.5
50
2.534
0.311
1.067
2056
0.168
0.087
0.521
572
23.664
13528.490
1183.219
12
13
12.5
41
2.845
0.336
1.073
1758
0.153
0.078
0.512
523
30.428
15924.260
1247.552
13
14
13.5
60
3.181
0.364
1.079
1490
0.226
0.127
0.561
473
38.375
18140.207
2302.496
14
15
14.5
58
3.545
0.398
1.086
1225
0.242
0.139
0.573
419
47.601
19928.494
2760.856
15
16
15.5
53
3.943
0.439
1.095
985
0.251
0.145
0.579
365
58.202
21261.559
3084.730
16
17
16.5
45
4.382
0.489
1.106
773
0.248
0.143
0.577
314
70.276
22065.967
3162.408
17
18
17.5
52
4.871
0.552
1.119
592
0.314
0.198
0.632
262
83.917
21983.535
4363.694
18
19
18.5
39
5.423
0.633
1.136
426
0.299
0.185
0.619
211
99.223
20929.418
3869.712
19
20
19.5
20
6.056
0.743
1.160
296
0.215
0.119
0.553
169
116.291
19605.012
2325.817
20
21
20.5
16
6.799
0.899
1.193
203
0.217
0.120
0.554
133
135.216
17969.280
2163.461
21
22
21.5
12
7.698
1.139
1.244
129
0.217
0.121
0.555
100
156.097
15541.915
1873.158
22
23
22.5
13
8.837
1.555
1.330
74
0.311
0.196
0.630
66
179.028
11887.691
2327.367
23
24
23.5
4
10.392
2.463
1.512
32
0.194
0.105
0.539
38
204.108
7800.008
816.434
24
25
24.5
1
12.856
6.406
2.141
11
0.107
0.052
0.486
19
231.434
4433.194
231.434
25
26
25.5
1
19.261 -19.261
2
0.500
0.434
0.868
2
261.102
601.617
261.102
Somme
266400.734 33176.215
Y/B
0.125
39
Annexe 1 :
Tableau 1: Analyse de cohorte de Jones (1984) fondée sur les longueurs chez Boops boops (L., 1758), (sexes confondus) de la baie de BouIsmail L∞=25.79 cm, K=0.233/an, M=0.434/an, Z=0.603an, F=0.169/an et F/Z=0.280.
L i
L i+1
C.C C(L i ,L i+1 ) t(Li)
∆t
HL(L i ,L i+1 ) N(L i ) F/Z(L i ,L i+1 ) F(Li,L i+1 )
Z
N(L i ,L i+1 )*∆t W(L i ,L i+1 )*∆t B(L i ,L i+1 )(g) Y i (L i ,L i+1 )(g)
6
7
6.5
2
1.246
0.228
1.049
3654
0.006
0.003
0.437
775
4.237
3282.261
8.473
7
8
7.5
1
1.475
0.241
1.052
3316
0.003
0.001
0.435
740
6.522
4824.200
6.522
8
9
8.5
3
1.716
0.256
1.055
2994
0.010
0.004
0.438
704
9.512
6698.380
28.537
9
10
9.5
29
1.972
0.272
1.059
2686
0.091
0.044
0.478
665
13.302
8844.017
385.768
10
11
10.5
43
2.244
0.290
1.063
2368
0.138
0.069
0.503
620
17.988
11151.229
773.474
11
12
11.5
50
2.534
0.311
1.067
2056
0.168
0.087
0.521
572
23.664
13528.490
1183.219
12
13
12.5
41
2.845
0.336
1.073
1758
0.153
0.078
0.512
523
30.428
15924.260
1247.552
13
14
13.5
60
3.181
0.364
1.079
1490
0.226
0.127
0.561
473
38.375
18140.207
2302.496
14
15
14.5
58
3.545
0.398
1.086
1225
0.242
0.139
0.573
419
47.601
19928.494
2760.856
15
16
15.5
53
3.943
0.439
1.095
985
0.251
0.145
0.579
365
58.202
21261.559
3084.730
16
17
16.5
45
4.382
0.489
1.106
773
0.248
0.143
0.577
314
70.276
22065.967
3162.408
17
18
17.5
52
4.871
0.552
1.119
592
0.314
0.198
0.632
262
83.917
21983.535
4363.694
18
19
18.5
39
5.423
0.633
1.136
426
0.299
0.185
0.619
211
99.223
20929.418
3869.712
19
20
19.5
20
6.056
0.743
1.160
296
0.215
0.119
0.553
169
116.291
19605.012
2325.817
20
21
20.5
16
6.799
0.899
1.193
203
0.217
0.120
0.554
133
135.216
17969.280
2163.461
21
22
21.5
12
7.698
1.139
1.244
129
0.217
0.121
0.555
100
156.097
15541.915
1873.158
22
23
22.5
13
8.837
1.555
1.330
74
0.311
0.196
0.630
66
179.028
11887.691
2327.367
23
24
23.5
4
10.392
2.463
1.512
32
0.194
0.105
0.539
38
204.108
7800.008
816.434
24
25
24.5
1
12.856
6.406
2.141
11
0.107
0.052
0.486
19
231.434
4433.194
231.434
25
26
25.5
1
19.261 -19.261
2
0.500
0.434
0.868
2
261.102
601.617
261.102
Somme
266400.734 33176.215
Y/B
0.125