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International Journal of Marine Science 2013, Vol.3, No.40, 319-332
http://ijms.sophiapublisher.com
332
Table 1 Average values of physico-chemical characteristics in (a) rearing water and sediment (± SD; n = 6), (b) Source water (creek) (± SD) during th
Days of Culture (doc)
Water
Temperature (ºC) Salinity
pH
Eh
Dissolved oxygen (mg L
-1
) Particulate organic carbon (g C m
-3
)
pH
(a). Shrimp ponds
0
22.2±0.4
8.7±0.2
8.0±0.1 68.9±2.1 7.7±0.0
4.2±0.1
6.2±
15
23.3±0.4
13.2±0.5 8.0±0.1 42.2±13.7 5.3±0.4
4.6±0.3
6.7±
30
28.3±0.4
13.9±0.4 8.0±0.1 104.5±0.2 4.9±0.2
4.5±0.0
6.6±
45
28.3±0.4
14.1±1.2 7.3±0.2 27.9±0.2 5.5±0.2
8.8±1.7
6.4±
60
29.0±0.0
20.4±1.4 7.7±0.2 119.4±4.3 4.7±0.3
25.2±8.4
6.6±
75
29.3±0.4
23.5±2.8 7.7±0.1 142.8±3.2 5.2±0.5
12.0±7.3
6.5±
90
28.3±0.4
29.4±2.8 7.7±0.1 108.9±4.1 6.1±0.7
12.4±2.3
6.7±
105
31.3±0.4
30.5±0.0 7.5±0.2 98.6±0.5 5.4±0.4
12.7±3.4
6.4±
120
31.3±0.4
28.5±0.3 7.7±0.0 100.2±1.6 4.4±0.3
22.4±0.8
6.5±
135
32.5±0.4
34.0±0.2 7.8±0.1 102.6±1.8 5.1±0.3
22.6±6.0
6.2±
(b). Source water (creek)
0
23.0±0.0
13.2±0.1 7.5±0.2 62.9±12.2 6.2±1.1
4.8±0.7
6.5±
15
24.0±0.0
13.5±0.4 7.6±0.0 28.8±4.8 4.7±0.7
6.0±1.9
7.1±
30
29.0±0.0
17.6±1.5 8.0±0.0 99.9±3.4 5.0±0.4
4.2±0.2
6.9±
45
28.0±0.0
18.4±1.6 7.5±0.1 30.2±3.4 4.8±0.0
7.7±3.6
5.8±
60
29.5±0.0
23.0±0.6 7.6±0.1 113.9±2.2 4.6±0.5
24.3±2.7
6.1±
75
29.5±0.0
29.8±3.9 7.9±0.1 133.4±1.9 4.9±0.6
17.9±7.0
6.8±
90
28.2±0.3
35.0±0.4 7.8±0.1 97.3±2.9 5.1±0.0
11.9±4.9
6.6±
105
31.5±0.0
30.7±0.3 7.7±0.2 96.9±0.5 6.0±0.7
7.8±1.0
6.6±
120
32.0±0.0
28.7±0.8 8.0±0.2 99.2±2.7 4.6±0.5
38.3±21.0
6.5±
135
33.5±0.0
31.0±0.2 7.9±0.0 104.6±3.5 5.2±0.1
8.6±2.2
6.4±