Tableau 5- Méthode de Powell-Wetherall chez Aristeus antennatus
Tableau 6 - Calculs effectués pour l’estimation de la courbe de pseudo-captures de Aristeus
antennatus
L1
L2
CC
Ni
Ni%
Ni%cum
Ni%*CC
(Ni%*CC)cum
L\
L\-L1
20
22
21
1
0.238
100.000
5.000
3829.524
38.30
18.30
22
24
23
3
0.714
99.762
16.429
3824.524
38.34
16.34
24
26
25
9
2.143
99.048
53.571
3808.095
38.45
14.45
26
28
27
27
6.429
96.905
173.571
3754.524
38.74
12.74
28
30
29
22
5.238
90.476
151.905
3580.952
39.58
11.58
30
32
31
32
7.619
85.238
236.190
3429.048
40.23
10.23
32
34
33
48
11.429
77.619
377.143
3192.857
41.13
9.13
34
36
35
41
9.762
66.190
341.667
2815.714
42.54
8.54
36
38
37
54
12.857
56.429
475.714
2474.048
43.84
7.84
38
40
39
26
6.190
43.571
241.429
1998.333
45.86
7.86
40
42
41
33
7.857
37.381
322.143
1756.905
47.00
7.00
42
44
43
22
5.238
29.524
225.238
1434.762
48.60
6.60
44
46
45
23
5.476
24.286
246.429
1209.524
49.80
5.80
46
48
47
24
5.714
18.810
268.571
963.095
51.20
5.20
48
50
49
10
2.381
13.095
116.667
694.524
53.04
5.04
50
52
51
14
3.333
10.714
170.000
577.857
53.93
3.93
52
54
53
15
3.571
7.381
189.286
407.857
55.26
3.26
54
56
55
6
1.429
3.810
78.571
218.571
57.38
3.38
56
58
57
5
1.190
2.381
67.857
140.000
58.80
2.80
58
60
59
2
0.476
1.190
28.095
72.143
60.60
2.60
60
62
61
2
0.476
0.714
29.048
44.048
61.67
1.67
62
64
63
1
0.238
0.238
15.000
15.000
63.00
1.00
∑
420