PHYSICOCHEMICAL CHARACTERISTICS OF PENAEUS INDICUS PONDS IN COASTAL AREA OF GORGAN BAY (MAZANDARAN PROVINCE)

Document Type : Research Paper

Authors

Sari

Abstract

A series of studies were conducted to evaluate the possibility to culture Penaeus indicus in coastal area of Gorgan bay concerning the proper climate potential of Behshahr zone during summer till autumn 2000.
Thirty two water samples were collected from four shrimp ponds for further laboratory studies to measure some physicochemical parameters such as: temperature, pH, salinity, transparency, nitrogen, phosphorus, D.O. according to the Russian Standard (1988).
As a result, the range of water temperature, pH, salinity and trasparency were 24.5-29.0°C, 8.02-8.18, 31.5-43.5 ppt and 21-50cm, respectively and the fluctuation concentration of D.O, NH4+, NO2-, PO4-3 were 3.8-9.5 ml/l, 0.0022-0.015, 0.0021-0.1210 and 0.0145-0.3710 mg/l, respectively.
As a conclusion, this shrimp species can be easily adopted with different climate, so this region is suitable for shrimp culture as view point of temprature and salinity. For demonstration of this issue, 1he semi-intensive shrimp culture has been successful. Also the toxic material such as ammunia and nitrite did not show any restriction for shrimp culture.

Keywords

Iranian Scientific Fisheries Journal
Volume 12, Issue 2
September and October 2003
Pages 111-122

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