基于渔船轨迹的阿根廷滑柔鱼捕捞强度空间分析  

Spatial analysis of fishing intensity for Illex argentinus based on fishing vessel tracks

作　　者：史慧敏 樊伟[2,3] 张涵[4] 杨胜龙[2,3] SHI Huimin;FAN Wei;ZHANG Han;YANG Shenglong(College of Information,Shanghai Ocean University,Shanghai 201306,China;East China Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences/Key Laboratory of East China Sea&Oceanic Fishery Resources Exploitation and Utilization,Ministry of Agriculture and Rural Affairs,Shanghai 200090,China;Key and Open Laboratory of Remote Sensing Information Technology in Fishing Resource,Chinese Academy of Fishery Sciences,Shanghai 200090,China;College of Science,University of Shanghai for Science and Technology,Shanghai 200093,China)

机构地区：[1]上海海洋大学信息学院,上海201306 [2]中国水产科学研究院东海水产研究所/农业农村部远洋与极地渔业创新重点实验室,上海200090 [3]中国水产科学研究院渔业资源与遥感信息技术重点开放实验室,上海200090 [4]上海理工大学理学院,上海200093

出　　处：《南方水产科学》2021年第6期1-11,共11页South China Fisheries Science

基　　金：国家重点研发计划项目(2019YFD0901405,2019YFD0901404);中国水产科学研究院东海水产研究所中央级公益性科研院所基本科研业务费专项资金资助(2019T09);上海市科技创新行动计划(19DZ1207504);福建省海洋渔业资源与生态环境重点实验室开放基金(fjmfre2019003)。

摘　　要：为了解阿根廷滑柔鱼(Illex argentinus)渔船捕捞行为与空间分布,为其资源管理提供参考,文章采用2018年1—5月的船舶自动识别系统(Automatic Identification System,AIS)数据,通过统计方法分析渔船捕捞行为特征,基于数据挖掘方法识别鱿钓渔船作业轨迹点,统计和绘制鱿鱼渔场捕捞强度分布图,分析了阿根廷滑柔鱼渔场各月捕捞强度空间分布特征。结果表明:1)阿根廷滑柔鱼鱿钓渔船速度呈明显的双峰分布;2)1—4月是阿根廷滑柔鱼渔汛期,作业渔船投入的捕捞努力量最多,中国大陆渔船2—4月捕捞强度高,其他国家和地区渔船高强度主要集中在4—5月;3)各月捕捞努力量存在空间自相关并呈现显著聚集分布模式;4)热点分析表明,2018年1—5月研究区域的捕捞努力量高值和低值均存在聚集分布,鱿钓渔船捕捞热点区域呈南移趋势。In order to understand the spatial behavior of Illex argentinus fishing vessels,we had analyzed the Automatic Identification System(AIS)data from January to May,2018.Based on data mining method,we identified the trajectories of squid fishing vessels,and drew the fishing intensity distribution map of squid fishing ground.Then we analyzed the spatial distribution characteristics of monthly fishing intensity of I.argentinus fishing ground.The results show that:1)The velocity distribution of the squid jigging fishing vessels showed obviously bimodal distribution.2)The period from January to April was the major squid jigging fishing season and the fishing effort was the highest.The fishing intensity of vessels from China's Mainland was high from February to April,and the vessels from other countries and regions mainly fished in April and May.3)The monthly fishing effort was spatially autocorrelated and showed patterns of significant aggregation.4)The analysis of cold and hot spots reveals that the fishing effort in the survey area showed an aggregated distribution in both high and low values,and the fishing hotspots were moving southward from January to May.

关 键 词：阿根廷滑柔鱼 船舶自动识别系统数据 捕捞强度 空间分布 

分 类 号：S972.9[农业科学—捕捞与储运]