Abstract
Belawan Oceanic Fishing Port is one of the bases of capture fisheries activities in North Sumatera which has considerable fishery potential. The most dominant fish caught in Belawan is Goldstripe sardinella (Sardinella gibbosa). Large-scale fishing activities are considered to be able to reduce the population of S. gibbosa in Belawan, mainly if fishing is carried out at any time. This study aims to analyse the utilization rates and sustainable potential of S. gibbosa at Belawan. This research was conducted by using surplus method production from May to June 2019. The annual catch, effort data, and fishing gear of S. gibbosa were analysed to estimate the Maximum Sustainable Yield (MSY). The main fisheries operating in catching S. gibbosa include trawl, fishing line, and gillnet. The Maximum Sustainable Yield (MSY) based on the Schaefer model obtained a value of 1821.92 and 1030.87 for on the fox model; the optimum effort based on the Schaefer model obtained a value 22.76 and 23.24 on the fox model. Based on these results, we concluded that the production of S. gibbosa at Belawan PPS has overfishing in 2014 with a production of 2085 tons and total 47 fishing trip.
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