Basic HTML Version
International Journal of Marine Science 2013, Vol.3, No.47, 402-407
http://ijms.sophiapublisher.com
404
Table 1 Chi
-
square (
χ
2
) test for a sex ratio of 0.5 for the Omani Indian oil sardine (
S. longiceps
) during the sampling months
Months
T
F
M
Sex ratio
χ
2
value
Months
T
F
M
Sex ratio
χ
2
value
Jan
-
97
127
70
57
0.55
1.330
May
-
05
41
27
14
0.66
4.12**
Feb
-
97
123
67
56
0.54
0.984
Jun
-
05
40
34
6
0.85
27.90**
Mar
-
97
101
55
46
0.54
0.802
Jul
-
05
40
30
10
0.75
10.00**
Apr
-
97
184
106
78
0.58
4.261*
Aug
-
05
30
20
10
0.67
3.33
May
-
97
110
59
51
0.54
0.582
Sep
-
05
41
21
20
0.51
0.02
Jun
-
97
106
48
58
0.45
0.943
Nov
-
05
40
26
14
0.65
3.60
Jul
-
97
52
36
16
0.69
7.690**
Apr
-
06
39
21
18
0.54
0.23
Aug
-
97
79
64
15
0.81
30.390**
May
-
06
42
30
12
0.71
7.71**
Sep
-
97
203
126
77
0.62
11.830**
Jun
-
06
40
34
6
0.85
19.60
Oct
-
97
94
94
0
1.00
94.000**
Sep
-
06
40
30
10
0.75
10.00**
Nov
-
97
75
55
20
0.73
16.330**
Dec
-
06
40
27
13
0.68
4.90*
Dec
-
97
119
79
40
0.66
12.780**
Jan
-
07
38
11
27
0.29
6.74**
Jan
-
98
60
27
33
0.45
0.600
Feb
-
07
40
23
17
0.58
0.90
Feb
-
98
29
19
10
0.66
2.793
Mar
-
07
40
29
11
0.73
8.10**
Jan
-
04
42
25
17
0.60
1.520
May
-
07
40
23
17
0.58
0.90
Apr
-
04
50
42
8
0.84
23.120**
Jun
-
07
40
34
6
0.85
19.60**
May
-
04
30
17
13
0.57
0.530
Aug
-
07
40
28
12
0.70
6.40*
Jun
-
04
34
19
15
0.56
0.470
Sep
-
07
40
27
13
0.68
4.90*
Jul
-
04
41
23
18
0.56
0.610
Oct
-
07
40
19
21
0.48
0.10
Sep
-
04
40
27
13
0.68
4.900*
Dec
-
07
40
32
8
0.80
14.40**
Oct
-
04
40
25
15
0.63
2.500
Jan
-
08
39
25
14
0.64
3.10
Nov
-
04
45
38
7
0.84
21.000**
Apr
-
08
40
39
1
0.98
36.10**
Dec
-
04
44
31
13
0.70
7.360**
May
-
08
40
28
12
0.70
6.40*
Feb
-
05
40
30
10
0.75
10.00**
Jun
-
08
40
25
15
0.63
2.50
Mar
-
05
38
35
3
0.92
27.00**
Aug
-
08
40
18
22
0.45
0.40
Apr
-
05
40
22
18
0.55
0.40
Sep
-
08
40
37
3
0.93
28.90**
Note: T: total; F: female; M: male; *P
<
0.05, **P
<
0.01
Table 2 Chi-square (
χ
2
) test for a sex ratio of 0.5 for the Omani Indian oil sardine (
S. longiceps
) during the sampling months by size classes
1997–98
2004–2008
Size class (cm) lower length Females (F) Males (M) Sex ratio
χ
2
value Females (F) Males (M) Sex Ratio
χ
2
value
10
2
2
0.5
0
10.5
1
10
0.09
7.36
11
4
22
0.15
12.46**
11.5
1
0
1
1
12
4
0
1
4
1
0
1
12.5
22
0
1
22**
1
1
0.5
0
13
75
0
1
75**
13.5
70
11
0.86
43**
5
10
0.33
1.67
14
57
15
0.79
24.5**
47
36
0.57
1.46
14.5
48
27
0.64
5.88*
67
60
0.53
0.39
15
48
24
0.67
8**
122
70
0.64
14.08**
15.5
46
57
0.45
1.17
144
41
0.78
57.35**
16
71
66
0.52
0.18
121
61
0.66
19.78**
16.5
101
89
0.53
0.76
119
54
0.69
24.42**
17
103
62
0.62
10.19** 137
64
0.68
26.51**
17.5
76
48
0.61
6.84** 75
37
0.67
12.89**
18
45
31
0.59
2.58
44
20
0.69
9**
18.5
32
17
0.65
4.59*
24
12
0.67
4*
19
23
32
0.42
1.47
19
13
0.59
1.13
19.5
20
20
0.5
0
7
15
0.32
2.91
20
30
19
0.61
2.46
20
24
0.45
0.36
20.5
21
6
0.78
8.33** 26
4
0.87
16.13**
21
4
0
1
4*
17
4
0.81
8.05**
21.5
3
2
0.6
0.2
22
1
1
0.5
0
Note: T: total; F: female; M: male; *P
<
0.05, **P
<
0.01)