Annexe II
Tableau 10 - Modèles de distribution d’abondances (qi) et du poids (wi) (données Ichthys-Joamy, 1983)
Motomura Mac Arthur Preston
Motomura Mac Arthur Preston
Palinurus elephas
52
29.42
35.72
51.01 Squatina squatina
95.50
89.45
67.41
176.04
Pagellus erythrinus
36
26.23
26.99
33.58 CARC PLU
88.00
74.46
50.93
89.37
Scyliorhinus canicula
23
23.38
22.62
25.74 Epinephelus caninus
77.50
61.98
42.68
58.05
Pagellus acarne
22
20.85
19.71
22.39 Mustelus mustelus
58.52
51.59
37.19
46.31
Scorpaena scrofa
22
18.59
17.53
18.51 Prionace glauca
41.00
42.95
33.07
34.03
Mustelus mustelus
15
16.57
15.78
15.70 Palinurus elephas
29.38
35.75
29.77
26.05
Merluccius merluccius
13
14.78
14.32
13.66 Dentex gibbosus
27.06
29.76
27.03
20.78
Trachurus trachurus
13
13.18
13.08
12.04 Scorpaena scrofa
21.54
24.77
24.67
16.92
Umbrina canariensis
13
11.75
11.98
10.60 Seriola dumerili
21.00
20.62
22.61
13.78
Dentex maroccanus
12
10.47
11.01
9.46
Sparus pagrus
14.15
17.16
20.78
11.46
Phycis phycis
9
9.34
10.14
8.88
Pagellus acarne
12.02
14.29
19.13
10.34
Sparus pagrus
8
8.33
9.34
7.92
Zeus faber
11.18
11.89
17.63
8.59
Dentex gibbosus
6
7.42
8.62
7.16
Scyliorhinus canicula
9.60
9.90
16.26
7.29
Diplodus vulgaris
6
6.62
7.95
6.47
Merluccius merluccius
9.17
8.24
14.99
6.19
Scorpaena elongata
6
5.90
7.32
5.92
Pagellus erythrinus
7.81
6.86
13.81
5.36
Zeus faber
6
5.26
6.74
5.35
Raja clavata
7.80
5.71
12.72
4.54
Illex spp
4
4.69
6.19
4.90
Scorpaena elongata
4.77
4.75
11.69
3.94
Raja clavata
4
4.18
5.68
4.54
Homarus vulgarus
3.75
3.96
10.72
3.48
Raja miraletus
4
3.73
5.19
4.15
Phycis phycis
3.39
3.29
9.80
3.01
Squatina squatina
3
3.32
4.73
3.75
Umbrina canariensis
3.20
2.74
8.93
2.56
CARC PLU
2
2.96
4.30
3.43
Oxynotus centrina
2.50
2.28
8.11
2.21
Epinephelus caninus
2
2.64
3.88
3.10
Dentex maroccanus
2.19
1.90
7.32
1.88
Homarus vulgarus
2
2.36
3.48
2.80
Illex spp
2.00
1.58
6.57
1.59
Peristedion cataphractum
2
2.10
3.10
2.44
Raja brachyura
1.40
1.32
5.86
1.27
Sardina pilchardus
2
1.87
2.74
2.35
Trachurus trachurus
1.10
1.10
5.17
1.20
Scomber japonicus
2
1.67
2.39
2.10
Raja naevus
1.00
0.91
4.51
0.99
MAJA SQU
1
1.49
2.05
1.85
Raja miraletus
0.95
0.76
3.88
0.81
Oxynotus centrina
1
1.33
1.73
1.63
Diplodus vulgaris
0.80
0.63
3.27
0.66
Prionace glauca
1
1.18
1.42
1.41
MAJA SQU
0.75
0.53
2.68
0.53
Raja brachyura
1
1.06
1.12
1.20
Scyliorhinus stellaris
0.60
0.44
2.11
0.40
Raja naevus
1
0.94
0.83
0.99
Scomber japonicus
0.40
0.36
1.56
0.30
Scomber scombrus
1
0.84
0.55
0.86
Peristedion cataphractum
0.18
0.30
1.03
0.24
Scyliorhinus stellaris
1
0.75
0.27
0.66
Sardina pilchardus
0.10
0.25
0.51
0.15
Seriola dumerili
1
0.67
0.01
0.44
Scomber scombrus
0.10
0.21
0.01
0.08
Genres et espèces
Qi
Valeurs théoriques (Qti)
Genres et espèces
Wi
Valeurs théoriques (Wti)
Var obs /Var the
r
m
Var obs /Var the
r
m
Motomura
1.924
0.95
0.89
Motomura
1.245
0.99
0.89
Mac Arthur
1.428
0.98
_
Mac Arthur
1.861
0.96
_
Preston
1.077
0.99
1.19
Preston
0.576
0.91
1.19
r: coefficient de corrélation
r: coefficient de corrélation
m: constante du milieu
m: constante du milieu
Tableau 10 - Modèles de distribution d’abondances (qi) et du poids (wi) (données Ichthys-Joamy, 1983)
Motomura Mac Arthur Preston
Motomura Mac Arthur Preston
Palinurus elephas
52
29.42
35.72
51.01 Squatina squatina
95.50
89.45
67.41
176.04
Pagellus erythrinus
36
26.23
26.99
33.58 CARC PLU
88.00
74.46
50.93
89.37
Scyliorhinus canicula
23
23.38
22.62
25.74 Epinephelus caninus
77.50
61.98
42.68
58.05
Pagellus acarne
22
20.85
19.71
22.39 Mustelus mustelus
58.52
51.59
37.19
46.31
Scorpaena scrofa
22
18.59
17.53
18.51 Prionace glauca
41.00
42.95
33.07
34.03
Mustelus mustelus
15
16.57
15.78
15.70 Palinurus elephas
29.38
35.75
29.77
26.05
Merluccius merluccius
13
14.78
14.32
13.66 Dentex gibbosus
27.06
29.76
27.03
20.78
Trachurus trachurus
13
13.18
13.08
12.04 Scorpaena scrofa
21.54
24.77
24.67
16.92
Umbrina canariensis
13
11.75
11.98
10.60 Seriola dumerili
21.00
20.62
22.61
13.78
Dentex maroccanus
12
10.47
11.01
9.46
Sparus pagrus
14.15
17.16
20.78
11.46
Phycis phycis
9
9.34
10.14
8.88
Pagellus acarne
12.02
14.29
19.13
10.34
Sparus pagrus
8
8.33
9.34
7.92
Zeus faber
11.18
11.89
17.63
8.59
Dentex gibbosus
6
7.42
8.62
7.16
Scyliorhinus canicula
9.60
9.90
16.26
7.29
Diplodus vulgaris
6
6.62
7.95
6.47
Merluccius merluccius
9.17
8.24
14.99
6.19
Scorpaena elongata
6
5.90
7.32
5.92
Pagellus erythrinus
7.81
6.86
13.81
5.36
Zeus faber
6
5.26
6.74
5.35
Raja clavata
7.80
5.71
12.72
4.54
Illex spp
4
4.69
6.19
4.90
Scorpaena elongata
4.77
4.75
11.69
3.94
Raja clavata
4
4.18
5.68
4.54
Homarus vulgarus
3.75
3.96
10.72
3.48
Raja miraletus
4
3.73
5.19
4.15
Phycis phycis
3.39
3.29
9.80
3.01
Squatina squatina
3
3.32
4.73
3.75
Umbrina canariensis
3.20
2.74
8.93
2.56
CARC PLU
2
2.96
4.30
3.43
Oxynotus centrina
2.50
2.28
8.11
2.21
Epinephelus caninus
2
2.64
3.88
3.10
Dentex maroccanus
2.19
1.90
7.32
1.88
Homarus vulgarus
2
2.36
3.48
2.80
Illex spp
2.00
1.58
6.57
1.59
Peristedion cataphractum
2
2.10
3.10
2.44
Raja brachyura
1.40
1.32
5.86
1.27
Sardina pilchardus
2
1.87
2.74
2.35
Trachurus trachurus
1.10
1.10
5.17
1.20
Scomber japonicus
2
1.67
2.39
2.10
Raja naevus
1.00
0.91
4.51
0.99
MAJA SQU
1
1.49
2.05
1.85
Raja miraletus
0.95
0.76
3.88
0.81
Oxynotus centrina
1
1.33
1.73
1.63
Diplodus vulgaris
0.80
0.63
3.27
0.66
Prionace glauca
1
1.18
1.42
1.41
MAJA SQU
0.75
0.53
2.68
0.53
Raja brachyura
1
1.06
1.12
1.20
Scyliorhinus stellaris
0.60
0.44
2.11
0.40
Raja naevus
1
0.94
0.83
0.99
Scomber japonicus
0.40
0.36
1.56
0.30
Scomber scombrus
1
0.84
0.55
0.86
Peristedion cataphractum
0.18
0.30
1.03
0.24
Scyliorhinus stellaris
1
0.75
0.27
0.66
Sardina pilchardus
0.10
0.25
0.51
0.15
Seriola dumerili
1
0.67
0.01
0.44
Scomber scombrus
0.10
0.21
0.01
0.08
Genres et espèces
Qi
Valeurs théoriques (Qti)
Genres et espèces
Wi
Valeurs théoriques (Wti)
Var obs /Var the
r
m
Var obs /Var the
r
m
Motomura
1.924
0.95
0.89
Motomura
1.245
0.99
0.89
Mac Arthur
1.428
0.98
_
Mac Arthur
1.861
0.96
_
Preston
1.077
0.99
1.19
Preston
0.576
0.91
1.19
r: coefficient de corrélation
r: coefficient de corrélation
m: constante du milieu
m: constante du milieu