Physical and chemical and biological investigation of Ghanat and agricultural wells water sources to encourage cold water fish farming in khorasan provivce ( bardestan city)
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Date
2005
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Show full item recordAbstract
Seasonal survey on 404 water sources including Ganat, agricultural wells and Sheshtaraz river on Bardaskan city (Khorasan province) were conducted among which 47 were selected for biological and physical and chemical study in order to determine the aquaculture of them. The results showed that according to classic classification the Macrobenthose could be categorized into three branches of Arthropod, Annelid and Mollusk. The Chironomidae was the culminate species have been observed in all situation. 30 species of phytoplankton from five families have been recognized where the family of Clamydomonase and Cyclotella were the dominated group. Also eleven group of zooplanktons identify in which Rotatoria with Brachionus continual the dominate group and genus. Chemical analysis of central and northern region of Bardaskan showed to be fresh water and soft to moderate hard with electrical conductivity of less than 0.7 ms/cm. In the desert region in the western and southern side of Bardaskan salinity and hardness increase which comprised from Oligosaline to mesosalin (EC: 0.4 to 7.3 ms/cm). The whole region the pH varied between 7.2 to 8.6 and the average oxygen concentration was 8.2 mg/l with respect the agricultural use of water we suggest that pond ual purposes can be used for trout culture during October to March.Pages
97pp.Publisher or University
Iranian Fisheries Science Research InstituteSeries : Nr
84.10100;2867;
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