HYDROBIOLOGY AND FISHERY STATUS OF SONDOBA BEEL, MORIGAON, ASSAM
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Authors
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K. C. BHUYAN
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A. DUTTA
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B. KALITA
Abstract
Physico-chemical variables of water and soil, and diversity and abundance of phytoplankton and zooplankton with the
fishery status of the Sondoba beel of Morigaon, Assam have been studied during September 2005 and August 2007. A total of 36 phytoplankton Genera, 14 belonging to Chlorophyceae, 11 to Bacillariophyceae, 9 to Myxophyceae and 2 to Euglenophyceae, and 23 zooplankton Genera, 5 belonging to Copepoda, 10 to Rotifera, 7 to Cladocera and 3 to Protozoa were recorded. The beel water was permanently alkaline in nature. Physico-chemical parameters of the beel were favourable for fishery. Of the 76 species of fish recorded, 05 were endangered, 13 vulnerable, 18 lower risk not threatened and 3 lower risk least concerned. Total catch was dominated by miscellaneous group (40.19%) followed by catfishes (21.94%), major carps (16.94%), feather back (11.23%), live fishes (5.62%) and minor carps (4.09%).
Key words: Hydrobiology, fishery, Sondoba beel, Assam.
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