Tableau 1- Méthode de Powell-Wetherall pour Lophius piscatorius
Tableau 2 - Calculs effectués pour l’estimation de la courbe de pseudo-captures de Lophius
piscatorius
L1
L2
CC
NI
Ni%
Ni%cum
Ni%*CC
(Ni%*CC)cum
L\
L\-L1
21
25
23
8
4.73
100.00
108.88
4593.49
45.93
24.93
25
29
27
22
13.02
95.27
351.48
4484.62
47.07
22.07
29
33
31
22
13.02
82.25
403.55
4133.14
50.25
21.25
33
37
35
27
15.98
69.23
559.17
3729.59
53.87
20.87
37
41
39
16
9.47
53.25
369.23
3170.41
59.53
22.53
41
45
43
12
7.10
43.79
305.33
2801.18
63.97
22.97
45
49
47
14
8.28
36.69
389.35
2495.86
68.03
23.03
49
53
51
6
3.55
28.40
181.07
2106.51
74.17
25.17
53
57
55
6
3.55
24.85
195.27
1925.44
77.48
24.48
57
61
59
9
5.33
21.30
314.20
1730.18
81.22
24.22
61
65
63
2
1.18
15.98
74.56
1415.98
88.63
27.63
65
69
67
4
2.37
14.79
158.58
1341.42
90.68
25.68
69
73
71
2
1.18
12.43
84.02
1182.84
95.19
26.19
73
77
75
1
0.59
11.24
44.38
1098.82
97.74
24.74
77
81
79
1
0.59
10.65
46.75
1054.44
99.00
22.00
81
85
83
4
2.37
10.06
196.45
1007.69
100.18
19.18
85
89
87
1
0.59
7.69
51.48
811.24
105.46
20.46
89
93
91
2
1.18
7.10
107.69
759.76
107.00
18.00
93
97
95
1
0.59
5.92
56.21
652.07
110.20
17.20
97
101
99
0
0.00
5.33
0.00
595.86
111.89
14.89
101
105
103
2
1.18
5.33
121.89
595.86
111.89
10.89
105
109
107
1
0.59
4.14
63.31
473.96
114.43
9.43
109
113
111
3
1.78
3.55
197.04
410.65
115.67
6.67
113
117
115
0
0.00
1.78
0.00
213.61
120.33
7.33
117
121
119
2
1.18
1.78
140.83
213.61
120.33
3.33
121
125
123
1
0.59
0.59
72.78
72.78
123.00
2.00
∑
169
L1
L2
CC
Ni
t(L1)
t(L2)
∆t
Frequence (N)
21
25
23
8
1.242
1.503
0.261
30.638
25
29
27
22
1.503
1.773
0.270
81.394
29
33
31
22
1.773
2.053
0.280
78.534
33
37
35
27
2.053
2.344
0.291
92.872
37
41
39
16
2.344
2.646
0.302
52.955
41
45
43
12
2.646
2.961
0.314
38.156
45
49
47
14
2.961
3.289
0.328
42.695
49
53
51
6
3.289
3.631
0.343
17.518
53
57
55
6
3.631
3.990
0.358
16.738
57
61
59
9
3.990
4.366
0.376
23.936
61
65
63
2
4.366
4.761
0.395
5.059
65
69
67
4
4.761
5.178
0.417
9.598
69
73
71
2
5.178
5.618
0.441
4.539
73
77
75
1
5.618
6.086
0.467
2.139
77
81
79
1
6.086
6.583
0.498
2.009
81
85
83
4
6.583
7.116
0.532
7.518
85
89
87
1
7.116
7.687
0.572
1.749
89
93
91
2
7.687
8.305
0.618
3.239
93
97
95
1
8.305
8.976
0.672
1.489
97
101
99
0
8.976
9.712
0.736
0.000
101
105
103
2
9.712
10.526
0.814
2.458
105
109
107
1
10.526
11.436
0.910
1.099
109
113
111
3
11.436
12.468
1.032
2.906
113
117
115
0
12.468
13.661
1.193
0.000
117
121
119
2
13.661
15.073
1.412
1.416
121
125
123
1
15.073
16.804
1.731
0.578
Tableau 2 - Calculs effectués pour l’estimation de la courbe de pseudo-captures de Lophius
piscatorius
L1
L2
CC
NI
Ni%
Ni%cum
Ni%*CC
(Ni%*CC)cum
L\
L\-L1
21
25
23
8
4.73
100.00
108.88
4593.49
45.93
24.93
25
29
27
22
13.02
95.27
351.48
4484.62
47.07
22.07
29
33
31
22
13.02
82.25
403.55
4133.14
50.25
21.25
33
37
35
27
15.98
69.23
559.17
3729.59
53.87
20.87
37
41
39
16
9.47
53.25
369.23
3170.41
59.53
22.53
41
45
43
12
7.10
43.79
305.33
2801.18
63.97
22.97
45
49
47
14
8.28
36.69
389.35
2495.86
68.03
23.03
49
53
51
6
3.55
28.40
181.07
2106.51
74.17
25.17
53
57
55
6
3.55
24.85
195.27
1925.44
77.48
24.48
57
61
59
9
5.33
21.30
314.20
1730.18
81.22
24.22
61
65
63
2
1.18
15.98
74.56
1415.98
88.63
27.63
65
69
67
4
2.37
14.79
158.58
1341.42
90.68
25.68
69
73
71
2
1.18
12.43
84.02
1182.84
95.19
26.19
73
77
75
1
0.59
11.24
44.38
1098.82
97.74
24.74
77
81
79
1
0.59
10.65
46.75
1054.44
99.00
22.00
81
85
83
4
2.37
10.06
196.45
1007.69
100.18
19.18
85
89
87
1
0.59
7.69
51.48
811.24
105.46
20.46
89
93
91
2
1.18
7.10
107.69
759.76
107.00
18.00
93
97
95
1
0.59
5.92
56.21
652.07
110.20
17.20
97
101
99
0
0.00
5.33
0.00
595.86
111.89
14.89
101
105
103
2
1.18
5.33
121.89
595.86
111.89
10.89
105
109
107
1
0.59
4.14
63.31
473.96
114.43
9.43
109
113
111
3
1.78
3.55
197.04
410.65
115.67
6.67
113
117
115
0
0.00
1.78
0.00
213.61
120.33
7.33
117
121
119
2
1.18
1.78
140.83
213.61
120.33
3.33
121
125
123
1
0.59
0.59
72.78
72.78
123.00
2.00
∑
169
L1
L2
CC
Ni
t(L1)
t(L2)
∆t
Frequence (N)
21
25
23
8
1.242
1.503
0.261
30.638
25
29
27
22
1.503
1.773
0.270
81.394
29
33
31
22
1.773
2.053
0.280
78.534
33
37
35
27
2.053
2.344
0.291
92.872
37
41
39
16
2.344
2.646
0.302
52.955
41
45
43
12
2.646
2.961
0.314
38.156
45
49
47
14
2.961
3.289
0.328
42.695
49
53
51
6
3.289
3.631
0.343
17.518
53
57
55
6
3.631
3.990
0.358
16.738
57
61
59
9
3.990
4.366
0.376
23.936
61
65
63
2
4.366
4.761
0.395
5.059
65
69
67
4
4.761
5.178
0.417
9.598
69
73
71
2
5.178
5.618
0.441
4.539
73
77
75
1
5.618
6.086
0.467
2.139
77
81
79
1
6.086
6.583
0.498
2.009
81
85
83
4
6.583
7.116
0.532
7.518
85
89
87
1
7.116
7.687
0.572
1.749
89
93
91
2
7.687
8.305
0.618
3.239
93
97
95
1
8.305
8.976
0.672
1.489
97
101
99
0
8.976
9.712
0.736
0.000
101
105
103
2
9.712
10.526
0.814
2.458
105
109
107
1
10.526
11.436
0.910
1.099
109
113
111
3
11.436
12.468
1.032
2.906
113
117
115
0
12.468
13.661
1.193
0.000
117
121
119
2
13.661
15.073
1.412
1.416
121
125
123
1
15.073
16.804
1.731
0.578