Annexe II
(i)
Genre
Espèce
qi obs qi th1
qi th2
(qi)²
(qith1)²
(qith2)²
(i)
Genre
Espèce
wi obs
with1
with2
(wi)²
(with1)²
(with2)²
1
Pagellus
acarne
3014 1210.06 818.24 9E+06 1.46E+06 6.70E+05 1
Pagellus
acarne
222.2 1.01E+02 6.85E+01 4.94E+04 1.02E+04 4.69E+03
2
Sardina
pilchardus
2906 1053.92 637.94 8E+06 1.11E+06 4.1E+05
2
Mustelus
mediterraneus
147.5 8.80E+01 5.34E+01 2.18E+04 7.74E+03 2.85E+03
3
Mullus
barbatus
1019 917.93 547.78 1E+06 8.43E+05 3.0E+05
3
Pagellus
erythrinus
79.3 7.66E+01 4.58E+01 6.29E+03 5.87E+03 2.10E+03
4
Trachurus
trachurus
771
799.48 487.68 594441 6.39E+05 2.4E+05
4
Sardina
pilchardus
53.2 6.68E+01 4.08E+01 2.83E+03 4.46E+03 1.67E+03
5
Pagellus
erythrinus
647
696.32 442.60 418609 4.85E+05 2.0E+05
5
Mullus
barbatus
41.8 5.81E+01 3.70E+01 1.75E+03 3.38E+03 1.37E+03
6
Trachurus mediterranaeus
219
606.47 406.54 47961 3.68E+05 1.7E+05
6
Trachurus
trachurus
39.9 5.06E+01 3.40E+01 1.59E+03 2.56E+03 1.16E+03
7
Loligo
vulgaris
184
528.21 376.49 33856 2.79E+05 1.4E+05
7
Dasyatis
centraura
34.1 4.41E+01 3.15E+01 1.16E+03 1.95E+03 9.93E+02
8
Diplodus
annularis
158
460.05 350.73 24964 2.12E+05 1.2E+05
8
Trachurus
mediterranaeus
28.7 3.84E+01 2.93E+01 8.24E+02 1.48E+03 8.61E+02
9
Boops
boops
83
400.69 328.19
6889 1.61E+05 1.1E+05
9
Galeorhinus
galeus
18.5 3.35E+01 2.75E+01 3.42E+02 1.12E+03 7.54E+02
10
Mustelus
mediterraneus
56
348.99 308.16
3136 1.22E+05 9.5E+04 10
Squatina
squatina
18
2.91E+01 2.58E+01 3.24E+02 8.49E+02 6.65E+02
11
Dentex
macrophthalmus
36
303.95 290.13
1296 9.24E+04 8.4E+04 11
Myliobatis
aquila
16.7 2.54E+01 2.43E+01 2.79E+02 6.44E+02 5.89E+02
12
Mullus
surmuletus
36
264.73 273.74
1296 7.01E+04 7.5E+04 12
Dasyatis
pastinaca
13.2 2.21E+01 2.29E+01 1.74E+02 4.89E+02 5.25E+02
13 Merluccius
merluccius
32
230.57 258.71
1024 5.32E+04 6.7E+04 13
Mullus
surmuletus
10.4 1.93E+01 2.16E+01 1.08E+02 3.71E+02 4.69E+02
14
Sparus
pagrus
22
200.82 244.84
484
4.03E+04 6.0E+04 14
Mustelus
mustelus
8.8
1.68E+01 2.05E+01 7.74E+01 2.81E+02 4.20E+02
15 Lepidotrigla
cavillone
18
174.91 231.96
324
3.06E+04 5.4E+04 15
Boops
boops
8.55 1.46E+01 1.94E+01 7.31E+01 2.13E+02 3.77E+02
16
Spicara
maena
18
152.34 219.94
324
2.32E+04 4.8E+04 16
Diplodus
annularis
7.31 1.27E+01 1.84E+01 5.34E+01 1.62E+02 3.39E+02
17
Raja
miraletus
17
132.68 208.67
289
1.76E+04 4.4E+04 17
Loligo
vulgaris
6.89 1.11E+01 1.75E+01 4.75E+01 1.23E+02 3.05E+02
18
Pagellus
bogarave
16
115.56 198.07
256
1.34E+04 3.9E+04 18
Merluccius
merluccius
4.81 9.65E+00 1.66E+01 2.31E+01 9.31E+01 2.75E+02
19
Scomber
scombrus
13
100.65 188.05
169
1.01E+04 3.5E+04 19
Dentex
macrophthalmus
3.8
8.40E+00 1.57E+01 1.44E+01 7.06E+01 2.48E+02
20
Trigla
lucerna
12
87.66
178.56
144
7.68E+03 3.2E+04 20
Scomber
scombrus
2.84 7.32E+00 1.49E+01 8.07E+00 5.36E+01 2.23E+02
21 Myliobatis
aquila
11
76.35
169.54
121
5.83E+03 2.9E+04 21
Raja
miraletus
2.5
6.37E+00 1.42E+01 6.25E+00 4.06E+01 2.01E+02
22
Sepia
officinalis
10
66.50
160.96
100
4.42E+03 2.6E+04 22
Raja
montagui
2.15 5.55E+00 1.35E+01 4.62E+00 3.08E+01 1.81E+02
23 Arnoglossus
laterna
8
57.92
152.76
64
3.35E+03 2.3E+04 23
Balistes
carolinensis
1.7
4.84E+00 1.28E+01 2.89E+00 2.34E+01 1.63E+02
24
Umbrina
canariensis
7
50.44
144.92
49
2.54E+03 2.1E+04 24
Umbrina
canariensis
1.67 4.21E+00 1.21E+01 2.79E+00 1.77E+01 1.47E+02
25
Citharus
macrolepidotus
5
43.93
137.41
25
1.93E+03 1.9E+04 25
Trigla
lyra
1.35 3.67E+00 1.15E+01 1.82E+00 1.35E+01 1.32E+02
26
Dasyatis
pastinaca
5
38.27
130.20
25
1.46E+03 1.7E+04 26
Sparus
pagrus
1.28 3.19E+00 1.09E+01 1.64E+00 1.02E+01 1.19E+02
27 Dicologoglossa
cuneata
5
33.33
123.26
25
1.11E+03 1.5E+04 27
Zeus
faber
1.1
2.78E+00 1.03E+01 1.21E+00 7.74E+00 1.06E+02
28
Engraulis
encrasicolus
5
29.03
116.58
25
8.43E+02 1.4E+04 28
Scyliorhinus
canicula
0.8
2.42E+00 9.76E+00 6.40E-01 5.87E+00 9.52E+01
29
Serranus
cabrilla
5
25.28
110.15
25
6.39E+02 1.2E+04 29
Trigla
lucerna
0.75 2.11E+00 9.22E+00 5.63E-01 4.46E+00 8.50E+01
30
Alosa
fallax
4
22.02
103.93
16
4.85E+02 1.1E+04 30
Spicara
maena
0.605 1.84E+00 8.70E+00 3.66E-01 3.38E+00 7.56E+01
31
Raja
montagui
3
19.18
97.92
9
3.68E+02 9.6E+03 31
Sepia
officinalis
0.6
1.60E+00 8.19E+00 3.60E-01 2.56E+00 6.71E+01
32 Scyliorhinus
canicula
3
16.70
92.10
9
2.79E+02 8.5E+03 32
Pagellus
bogarave
0.58 1.39E+00 7.71E+00 3.36E-01 1.95E+00 5.94E+01
33
(*) Sepi
ele
3
14.55
86.47
9
2.12E+02 7.5E+03 33
Alosa
fallax
0.5
1.21E+00 7.24E+00 2.50E-01 1.48E+00 5.24E+01
34
Squila
mantis
3
12.67
81.00
9
1.61E+02 6.6E+03 34
Solea
vulgaris
0.35 1.06E+00 6.78E+00 1.23E-01 1.12E+00 4.59E+01
35
Mustelus
mustelus
2
11.04
75.70
4
1.22E+02 5.7E+03 35
Lepidotrigla
cavillone
0.325 9.21E-01 6.33E+00 1.06E-01 8.49E-01 4.01E+01
36
Panaeus
kerathurus
2
9.61
70.55
4
9.24E+01 5.0E+03 36 Dicologoglossa
cuneata
0.3
8.03E-01 5.90E+00 9.00E-02 6.44E-01 3.49E+01
37
Squatina
squatina
2
8.37
65.54
4
7.01E+01 4.3E+03 37
Sparus
aurata
0.28
6.99E-01 5.48E+00 7.84E-02 4.89E-01 3.01E+01
38
Trigla
lyra
2
7.29
60.67
4
5.32E+01 3.7E+03 38
Citharus
macrolepidotus
0.24
6.09E-01 5.08E+00 5.76E-02 3.71E-01 2.58E+01
39
Balistes
carolinensis
1
6.35
55.92
1
4.03E+01 3.1E+03 39
Scomber
pneumatophorus
0.19
5.30E-01 4.68E+00 3.61E-02 2.81E-01 2.19E+01
40
Dasyatis
centraura
1
5.53
51.30
1
3.06E+01 2.6E+03 40
Serranus
cabrilla
0.19
4.62E-01 4.29E+00 3.61E-02 2.13E-01 1.84E+01
41
Dentex
dentex
1
4.82
46.79
1
2.32E+01 2.2E+03 41
Torpedo
torpedo
0.18
4.02E-01 3.92E+00 3.24E-02 1.62E-01 1.53E+01
42 Galeorhinus
galeus
1
4.20
42.39
1
1.76E+01 1.8E+03 42
Sphyraena
sphyraena
0.15
3.50E-01 3.55E+00 2.25E-02 1.23E-01 1.26E+01
43
Scomber pneumatophorus
1
3.65
38.10
1
1.34E+01 1.5E+03 43
Squila
mantis
0.05
3.05E-01 3.19E+00 2.50E-03 9.31E-02 1.02E+01
44 Scorpaena
notata
1
3.18
33.91
1
1.01E+01 1.1E+03 44
Torpedo
marmorata
0.05
2.66E-01 2.84E+00 2.50E-03 7.06E-02 8.05E+00
45
(*) Sera
het
1
2.77
29.81
1
7.68E+00 8.9E+02 45
Panaeus
kerathurus
0.045 2.31E-01 2.49E+00 2.03E-03 5.36E-02 6.22E+00
46
Serranus
hepatus
1
2.41
25.80
1
5.83E+00 6.7E+02 46
Arnoglossus
laterna
0.03
2.02E-01 2.16E+00 9.00E-04 4.06E-02 4.66E+00
47
Solea
vulgaris
1
2.10
21.88
1
4.42E+00 4.8E+02 47
Engraulis
encrasicolus
0.03
1.76E-01 1.83E+00 9.00E-04 3.08E-02 3.35E+00
48
Sparus
aurata
1
1.83
18.05
1
3.35E+00 3.3E+02 48
Scorpaena
notata
0.03
1.53E-01 1.51E+00 9.00E-04 2.34E-02 2.28E+00
49 Sphyraena
sphyraena
1
1.60
14.29
1
2.54E+00 2.0E+02 49
Dentex
dentex
0.02
1.33E-01 1.20E+00 4.00E-04 1.77E-02 1.43E+00
50
Torpedo
marmorata
1
1.39
10.61
1
1.93E+00 1.1E+02 50
(*) Sepi
ele
0.02
1.16E-01 8.88E-01 4.00E-04 1.35E-02 7.88E-01
51
Torpedo
torpedo
1
1.21
7.00
1
1.46E+00 4.9E+01 51
Serranus
hepatus
0.01
1.01E-01 5.86E-01 1.00E-04 1.02E-02 3.43E-01
52
Zeus
faber
1
1.05
3.47
1
1.11E+00 1.2E+01 52
(*) Sera
het
0.005 8.80E-02 2.90E-01 2.50E-05 7.74E-03 8.42E-02
9376 9370.56
9376
2E+07 6065080.9 3233594
784.58 782.39598 784.58 87122.532 42282.344 22642.521
Q²/S
2E+06 1.7E+06 1.7E+06
W²/S
11838 11771.99 11837.803
Var² obs
353193 8.6E+04 3E+04
Var² obs
1476.2 598.24223 211.8572
Rapport var obs / var the
4.12
11.67
Rapport var obs /var the
2.47
6.97
r
0.84
0.79
r
0.90
0.87
m
0.87
m
0.84
(*) : espèces indéfinies
th1 : modéle de Motomura
m : constante du milieu par Motomura
wi théorique
qi théorique
th2 : modèle de Mac Arthur
Tableau 12 - Modèles de distribution d’abondances (qi) et de poids (wi), des espèces associées à D,vulgaris dans le secteur Est (données Thalassa, 1982)
(i)
Genre
Espèce
qi obs qi th1
qi th2
(qi)²
(qith1)²
(qith2)²
(i)
Genre
Espèce
wi obs
with1
with2
(wi)²
(with1)²
(with2)²
1
Pagellus
acarne
3014 1210.06 818.24 9E+06 1.46E+06 6.70E+05 1
Pagellus
acarne
222.2 1.01E+02 6.85E+01 4.94E+04 1.02E+04 4.69E+03
2
Sardina
pilchardus
2906 1053.92 637.94 8E+06 1.11E+06 4.1E+05
2
Mustelus
mediterraneus
147.5 8.80E+01 5.34E+01 2.18E+04 7.74E+03 2.85E+03
3
Mullus
barbatus
1019 917.93 547.78 1E+06 8.43E+05 3.0E+05
3
Pagellus
erythrinus
79.3 7.66E+01 4.58E+01 6.29E+03 5.87E+03 2.10E+03
4
Trachurus
trachurus
771
799.48 487.68 594441 6.39E+05 2.4E+05
4
Sardina
pilchardus
53.2 6.68E+01 4.08E+01 2.83E+03 4.46E+03 1.67E+03
5
Pagellus
erythrinus
647
696.32 442.60 418609 4.85E+05 2.0E+05
5
Mullus
barbatus
41.8 5.81E+01 3.70E+01 1.75E+03 3.38E+03 1.37E+03
6
Trachurus mediterranaeus
219
606.47 406.54 47961 3.68E+05 1.7E+05
6
Trachurus
trachurus
39.9 5.06E+01 3.40E+01 1.59E+03 2.56E+03 1.16E+03
7
Loligo
vulgaris
184
528.21 376.49 33856 2.79E+05 1.4E+05
7
Dasyatis
centraura
34.1 4.41E+01 3.15E+01 1.16E+03 1.95E+03 9.93E+02
8
Diplodus
annularis
158
460.05 350.73 24964 2.12E+05 1.2E+05
8
Trachurus
mediterranaeus
28.7 3.84E+01 2.93E+01 8.24E+02 1.48E+03 8.61E+02
9
Boops
boops
83
400.69 328.19
6889 1.61E+05 1.1E+05
9
Galeorhinus
galeus
18.5 3.35E+01 2.75E+01 3.42E+02 1.12E+03 7.54E+02
10
Mustelus
mediterraneus
56
348.99 308.16
3136 1.22E+05 9.5E+04 10
Squatina
squatina
18
2.91E+01 2.58E+01 3.24E+02 8.49E+02 6.65E+02
11
Dentex
macrophthalmus
36
303.95 290.13
1296 9.24E+04 8.4E+04 11
Myliobatis
aquila
16.7 2.54E+01 2.43E+01 2.79E+02 6.44E+02 5.89E+02
12
Mullus
surmuletus
36
264.73 273.74
1296 7.01E+04 7.5E+04 12
Dasyatis
pastinaca
13.2 2.21E+01 2.29E+01 1.74E+02 4.89E+02 5.25E+02
13 Merluccius
merluccius
32
230.57 258.71
1024 5.32E+04 6.7E+04 13
Mullus
surmuletus
10.4 1.93E+01 2.16E+01 1.08E+02 3.71E+02 4.69E+02
14
Sparus
pagrus
22
200.82 244.84
484
4.03E+04 6.0E+04 14
Mustelus
mustelus
8.8
1.68E+01 2.05E+01 7.74E+01 2.81E+02 4.20E+02
15 Lepidotrigla
cavillone
18
174.91 231.96
324
3.06E+04 5.4E+04 15
Boops
boops
8.55 1.46E+01 1.94E+01 7.31E+01 2.13E+02 3.77E+02
16
Spicara
maena
18
152.34 219.94
324
2.32E+04 4.8E+04 16
Diplodus
annularis
7.31 1.27E+01 1.84E+01 5.34E+01 1.62E+02 3.39E+02
17
Raja
miraletus
17
132.68 208.67
289
1.76E+04 4.4E+04 17
Loligo
vulgaris
6.89 1.11E+01 1.75E+01 4.75E+01 1.23E+02 3.05E+02
18
Pagellus
bogarave
16
115.56 198.07
256
1.34E+04 3.9E+04 18
Merluccius
merluccius
4.81 9.65E+00 1.66E+01 2.31E+01 9.31E+01 2.75E+02
19
Scomber
scombrus
13
100.65 188.05
169
1.01E+04 3.5E+04 19
Dentex
macrophthalmus
3.8
8.40E+00 1.57E+01 1.44E+01 7.06E+01 2.48E+02
20
Trigla
lucerna
12
87.66
178.56
144
7.68E+03 3.2E+04 20
Scomber
scombrus
2.84 7.32E+00 1.49E+01 8.07E+00 5.36E+01 2.23E+02
21 Myliobatis
aquila
11
76.35
169.54
121
5.83E+03 2.9E+04 21
Raja
miraletus
2.5
6.37E+00 1.42E+01 6.25E+00 4.06E+01 2.01E+02
22
Sepia
officinalis
10
66.50
160.96
100
4.42E+03 2.6E+04 22
Raja
montagui
2.15 5.55E+00 1.35E+01 4.62E+00 3.08E+01 1.81E+02
23 Arnoglossus
laterna
8
57.92
152.76
64
3.35E+03 2.3E+04 23
Balistes
carolinensis
1.7
4.84E+00 1.28E+01 2.89E+00 2.34E+01 1.63E+02
24
Umbrina
canariensis
7
50.44
144.92
49
2.54E+03 2.1E+04 24
Umbrina
canariensis
1.67 4.21E+00 1.21E+01 2.79E+00 1.77E+01 1.47E+02
25
Citharus
macrolepidotus
5
43.93
137.41
25
1.93E+03 1.9E+04 25
Trigla
lyra
1.35 3.67E+00 1.15E+01 1.82E+00 1.35E+01 1.32E+02
26
Dasyatis
pastinaca
5
38.27
130.20
25
1.46E+03 1.7E+04 26
Sparus
pagrus
1.28 3.19E+00 1.09E+01 1.64E+00 1.02E+01 1.19E+02
27 Dicologoglossa
cuneata
5
33.33
123.26
25
1.11E+03 1.5E+04 27
Zeus
faber
1.1
2.78E+00 1.03E+01 1.21E+00 7.74E+00 1.06E+02
28
Engraulis
encrasicolus
5
29.03
116.58
25
8.43E+02 1.4E+04 28
Scyliorhinus
canicula
0.8
2.42E+00 9.76E+00 6.40E-01 5.87E+00 9.52E+01
29
Serranus
cabrilla
5
25.28
110.15
25
6.39E+02 1.2E+04 29
Trigla
lucerna
0.75 2.11E+00 9.22E+00 5.63E-01 4.46E+00 8.50E+01
30
Alosa
fallax
4
22.02
103.93
16
4.85E+02 1.1E+04 30
Spicara
maena
0.605 1.84E+00 8.70E+00 3.66E-01 3.38E+00 7.56E+01
31
Raja
montagui
3
19.18
97.92
9
3.68E+02 9.6E+03 31
Sepia
officinalis
0.6
1.60E+00 8.19E+00 3.60E-01 2.56E+00 6.71E+01
32 Scyliorhinus
canicula
3
16.70
92.10
9
2.79E+02 8.5E+03 32
Pagellus
bogarave
0.58 1.39E+00 7.71E+00 3.36E-01 1.95E+00 5.94E+01
33
(*) Sepi
ele
3
14.55
86.47
9
2.12E+02 7.5E+03 33
Alosa
fallax
0.5
1.21E+00 7.24E+00 2.50E-01 1.48E+00 5.24E+01
34
Squila
mantis
3
12.67
81.00
9
1.61E+02 6.6E+03 34
Solea
vulgaris
0.35 1.06E+00 6.78E+00 1.23E-01 1.12E+00 4.59E+01
35
Mustelus
mustelus
2
11.04
75.70
4
1.22E+02 5.7E+03 35
Lepidotrigla
cavillone
0.325 9.21E-01 6.33E+00 1.06E-01 8.49E-01 4.01E+01
36
Panaeus
kerathurus
2
9.61
70.55
4
9.24E+01 5.0E+03 36 Dicologoglossa
cuneata
0.3
8.03E-01 5.90E+00 9.00E-02 6.44E-01 3.49E+01
37
Squatina
squatina
2
8.37
65.54
4
7.01E+01 4.3E+03 37
Sparus
aurata
0.28
6.99E-01 5.48E+00 7.84E-02 4.89E-01 3.01E+01
38
Trigla
lyra
2
7.29
60.67
4
5.32E+01 3.7E+03 38
Citharus
macrolepidotus
0.24
6.09E-01 5.08E+00 5.76E-02 3.71E-01 2.58E+01
39
Balistes
carolinensis
1
6.35
55.92
1
4.03E+01 3.1E+03 39
Scomber
pneumatophorus
0.19
5.30E-01 4.68E+00 3.61E-02 2.81E-01 2.19E+01
40
Dasyatis
centraura
1
5.53
51.30
1
3.06E+01 2.6E+03 40
Serranus
cabrilla
0.19
4.62E-01 4.29E+00 3.61E-02 2.13E-01 1.84E+01
41
Dentex
dentex
1
4.82
46.79
1
2.32E+01 2.2E+03 41
Torpedo
torpedo
0.18
4.02E-01 3.92E+00 3.24E-02 1.62E-01 1.53E+01
42 Galeorhinus
galeus
1
4.20
42.39
1
1.76E+01 1.8E+03 42
Sphyraena
sphyraena
0.15
3.50E-01 3.55E+00 2.25E-02 1.23E-01 1.26E+01
43
Scomber pneumatophorus
1
3.65
38.10
1
1.34E+01 1.5E+03 43
Squila
mantis
0.05
3.05E-01 3.19E+00 2.50E-03 9.31E-02 1.02E+01
44 Scorpaena
notata
1
3.18
33.91
1
1.01E+01 1.1E+03 44
Torpedo
marmorata
0.05
2.66E-01 2.84E+00 2.50E-03 7.06E-02 8.05E+00
45
(*) Sera
het
1
2.77
29.81
1
7.68E+00 8.9E+02 45
Panaeus
kerathurus
0.045 2.31E-01 2.49E+00 2.03E-03 5.36E-02 6.22E+00
46
Serranus
hepatus
1
2.41
25.80
1
5.83E+00 6.7E+02 46
Arnoglossus
laterna
0.03
2.02E-01 2.16E+00 9.00E-04 4.06E-02 4.66E+00
47
Solea
vulgaris
1
2.10
21.88
1
4.42E+00 4.8E+02 47
Engraulis
encrasicolus
0.03
1.76E-01 1.83E+00 9.00E-04 3.08E-02 3.35E+00
48
Sparus
aurata
1
1.83
18.05
1
3.35E+00 3.3E+02 48
Scorpaena
notata
0.03
1.53E-01 1.51E+00 9.00E-04 2.34E-02 2.28E+00
49 Sphyraena
sphyraena
1
1.60
14.29
1
2.54E+00 2.0E+02 49
Dentex
dentex
0.02
1.33E-01 1.20E+00 4.00E-04 1.77E-02 1.43E+00
50
Torpedo
marmorata
1
1.39
10.61
1
1.93E+00 1.1E+02 50
(*) Sepi
ele
0.02
1.16E-01 8.88E-01 4.00E-04 1.35E-02 7.88E-01
51
Torpedo
torpedo
1
1.21
7.00
1
1.46E+00 4.9E+01 51
Serranus
hepatus
0.01
1.01E-01 5.86E-01 1.00E-04 1.02E-02 3.43E-01
52
Zeus
faber
1
1.05
3.47
1
1.11E+00 1.2E+01 52
(*) Sera
het
0.005 8.80E-02 2.90E-01 2.50E-05 7.74E-03 8.42E-02
9376 9370.56
9376
2E+07 6065080.9 3233594
784.58 782.39598 784.58 87122.532 42282.344 22642.521
Q²/S
2E+06 1.7E+06 1.7E+06
W²/S
11838 11771.99 11837.803
Var² obs
353193 8.6E+04 3E+04
Var² obs
1476.2 598.24223 211.8572
Rapport var obs / var the
4.12
11.67
Rapport var obs /var the
2.47
6.97
r
0.84
0.79
r
0.90
0.87
m
0.87
m
0.84
(*) : espèces indéfinies
th1 : modéle de Motomura
m : constante du milieu par Motomura
wi théorique
qi théorique
th2 : modèle de Mac Arthur
Tableau 12 - Modèles de distribution d’abondances (qi) et de poids (wi), des espèces associées à D,vulgaris dans le secteur Est (données Thalassa, 1982)
