Limnological study of fishponds and Kalribaghar Lower Canal at Chilya Fish Hatchery, Thatta, Sindh, Pakistan
2010
Mahar, M.A. (University of Sindh, Jamshoro (Pakistan). Dept. of Fresh Water Biology and Fisheries) | Larik, Z.A. (University of Sindh, Jamshoro (Pakistan). Dept. of Fresh Water Biology and Fisheries) | Narejo, N.T. (University of Sindh, Jamshoro (Pakistan). Dept. of Fresh Water Biology and Fisheries) | Jafri, S.I.H. (University of Sindh, Jamshoro (Pakistan). Dept. of Fresh Water Biology and Fisheries)
The assessment of limno-biological parameters of brooder rearing, fry stocking ponds of Chilya fish hatchery and Kalribaghar out let canal of Keenjhar lake wore carried out from January to December 2005. The analysis of water temperature, dissolved oxygen, pH, total alkalinity, total hardness, total dissolved solids (TDS), total nitrogen and orthophosphate respectively were carried out from both the ponds and canal. 36 species of algae recorded from brooder pond, 27 species from fry pond and 29 from Kalribaghar feeder. 14 species of zooplankton were observed from both the ponds, while in canal 16 species were identified. Seven species of aquatic plants, Hydrilla verticillata, Najaz minor, Potamogeton pectinatus, Nymphia sp. Typha domingensis and Phragmites vallatorn were also recorded from aquatic environment of three experimental sites. The results revealed that the hydro-biological parameters and natural productivity of the sites were found to be quite suitable.
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