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Turkish Journal of Fisheries and Aquatic Sciences 2019, Vol 19, Num, 2     (Pages: 131-139)

Efficiency Comparison of LED and MH Lamps in Purse Seine Fisheries

Mochamad Arief Sofijanto 1-2 ,Diana Arfiati 3 ,Tri Djoko Lelono 3 ,Ali Muntaha 3

1 Doctoral Program, Faculty of Fisheries and Marine Science, Brawijaya University. Jl. Veteran Malang, East Java 65145 Indonesia
2 Departmen of Fisheries, Faculty of Engineering and Marine Science, Hang Tuah University. Jl. Arif Rahman Hakim 150 Surabaya 60111, East Java Indonesia
3 Faculty of Fisheries and Marine Science, Brawijaya University. Jl. Veteran Malang, East Java 65145 Indonesia
DOI : 10.4194/1303-2712-v19_2_05 Viewed : 687 - Downloaded : 513 Metal halide (MH) lamp is applied in light fishing purse seine (PS). This lamp have weaknesses like wasteful energy, it is necessary to replace with energy saving lamp. Light emitting diode (LED) is potential to replace the MH. The experimental method in order to obtain data on different light intensity, fuel consumption, and number of catch in PS fishing using MH and LED lamps as fish attractor. Light intensity observations were done on each of 6 MH and LED lamps in the distance of 0-17 m. The LED lamp had focus more onto the front that enabled to reach farther distance, MH lamp had dispersed illumination distance. The LED lamp is more efficient in directing the lamp into the water. The number addition of MH lamps on different side of vessel does not increase the total amount of light intensity significantly. The ratio of the number captures of MH and LED lamps is 3.57:1 is much lower than the electric power ratio of both lamps (40:1). So that if the electric power LED lamps increased 6.2 times from 600 W to 3,875 W then the total number of fish from the LED lamps will approach the MH lamps. Keywords : Fish attractor, Light fishing, Light intensity, Metal halide lamp