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东、黄海底拖网渔业渔捞努力量修正方法的探讨
顾惠庭1, 尤红宝2
1.上海市水产局;2.东海水产研究所
摘要:
渔捞努力量在渔业资源研究中是一个重要参数。在以往的东、黄海底拖网渔业资源研究中,投网次数常作为渔捞努力量的度量单位。在底拖网渔业中有很多影响渔捞努力量的因素,其中船型大小、实际捕捞时间的长短以及网具改进是主要因素。本文针对这三个因素应用上海市海洋渔业公司的资料,提出了一种修正方法,并对修正后标准渔捞努力量的效果进行了分析探讨。
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DOI：
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基金项目:
AN APPROACH TO ADJUSTING THE FISHING EFFORT ON THE TRAWL FISHERY IN EAST CHINA SEA AND HUANGHAI SEA
Abstract:
Fishing eilort is an important parameter in fishery resource study. In the previous study of trawl fishery resources of East China Sea and Huanghai sea, the number of hauls is usually taken as the unit of fishing effort. In trawl fishery, there are many factors affecting the fishing effort of which, the vessel size, actual catching time and the improvement of trawl net are the main factors. In this paper, an adjusting method about these factors is put forth with detailed data of shanghai Marine Fishery Corporation. The adjusting effect of standardized fishing effort is also discussed.
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