Fishing Ground and Fish Estimation of Fish Potency of Bengkalis Waters Riau Province
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Date
2016-04-02
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Abstract
A study on fishing ground and estimation of maximum sustainable yield of fish from Bengkalis waters were conducted during
October - November 2012. Environmental condition of the fishing ground were examined and analyzed in-situ as well as exsitu,
for physical and chemical properties. The hydroacoustic method (Mitson, 1983) were performed to estimate the
presence of fish biomass including pelagic and demersal fish. The fish composition of fish catch were described from fish
catch. The proportion of pelagic and demersal fish in coastal waters of Bengkalis approximately 50%-50%. Based on
consideration that fishing and natural mortality of 50%, the stock of pelagic fish and demersal revealed 2,1 and 89 tons,
respectively. It was suggested that allowed fish catch of pelagic should not exceed 10 pounds/month, providing that fishing
period of 12 months. Likewise, the demersal fish should not exceed the amount of 38 pounds/month
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Keywords
fish potency, Bengkalis waters