The effectiveness of light emitting diode (LED) lamps in the offshore purse seine fishery in Vietnam

Q1 Agricultural and Biological Sciences Aquaculture and Fisheries Pub Date : 2023-09-01 DOI:10.1016/j.aaf.2022.01.005

Nguyen Dang Nhat , Do Thanh Tien , Truong Van Dan , Nguyen Duy Quynh Tram , Nguyen Quang Lich , Ho Dang Phuc , Nguyen Ngoc Phuoc

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引用次数: 4

Abstract

Fishing with artificial light has become one of the most advanced, efficient, and common methods for the night-time purse seining in Vietnam. This study evaluated the radiation spectrum, CIE chromaticity coordinates, correlated color temperature (CCT), catch rate, fuel consumption, and CO₂ emissions when using Light emitting diode (LED) lamps (0.196 kW) in comparison with the use of metal halide (MH) lights (1 kW) in the offshore purse seine fishery in Quang Tri province, Vietnam. The fishing efficiency of the purse seine fishing boats using LED lamps has increased 1.58 times in catch rate than MH lights, although the energy consumption of LED lamp is 4 times smaller. Fuel consumption of boats per trip using LED lamps was one third of that using MH lights. The use of LED reduced the radiation spectrum, especially the intense UV radiation which negatively affects the health of fishermen. This study also showed the potential of CO₂ emission reduction up to 1.09 tons of CO₂ per trip per boat from the use of LED lamps in the offshore purse seine fishing boats.

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发光二极管（LED）灯在越南近海围网渔业中的有效性

人工光捕鱼已成为越南夜间围网最先进、最有效、最常见的方法之一。本研究评估了在越南广治省近海围网渔业中使用发光二极管（LED）灯（0.196kW）与使用金属卤化物（MH）灯（1kW）时的辐射光谱、CIE色度坐标、相关色温（CCT）、捕获率、燃料消耗和CO2排放。使用LED灯的围网渔船的捕捞效率比MH灯提高了1.58倍，尽管LED灯的能耗低了4倍。使用LED灯的船只每次航行的燃料消耗量是使用MH灯的船只的三分之一。LED的使用降低了辐射光谱，尤其是强烈的紫外线辐射，这对渔民的健康产生了负面影响。这项研究还表明，在海上围网渔船中使用LED灯，每艘船每次旅行可减少1.09吨二氧化碳的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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