Spatio-temporal variability of fishing habitat suitability to tuna purse seine fleet in the Western and Central Pacific Ocean
文献类型： 外文期刊
作者： Yang, Shenglong 1 ; Wang, Lijun 1 ; Fei, Yingjie 4 ; Zhang, Shengmao 1 ; Yu, Linlin 1 ; Zhang, Heng 1 ; Wang, Fei 1 ; Wu, Yumei 1 ; Wu, Zuli 1 ; Wang, Wei 1 ; Shi, Jiayu 1 ; Jiang, Keji 1 ; Fan, Wei 1 ;
作者机构： 1.Minist Agr & Rural Affairs, Key Lab Fisheries Remote Sensing, Shanghai 200090, Peoples R China
2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Key & Open Lab Remote Sensing Informat Technol Fis, Shanghai 200090, Peoples R China
3.Dalian Ocean Univ, Sch Nav & Naval Architecture, Dalian 116023, Peoples R China
4.Univ Shanghai Sci & Technol, Coll Sci, Shanghai 200093, Peoples R China
5.Shanghai Ocean Univ, Coll Informat, Shanghai 201306, Peoples R China
关键词： Automatic identification system; Tuna purse seine fleet; Fishing habitat suitability; Satellite remote sensing data
期刊名称：REGIONAL STUDIES IN MARINE SCIENCE （ 影响因子：2.1； 五年影响因子：2.1 ）
ISSN： 2352-4855
年卷期： 2024 年 70 卷
页码：
收录情况： SCI
摘要： Understanding the spatial distribution of fishing activity is important for ecosystem-based fisheries management. The dynamic vessel trajectory information provided by Automatic Identification System (AIS) together with local remote ocean environment data, provide an opportunity for new technologies to enable improvements in fisheries management.The spatio-temporal and variability to tuna purse seine fleet suitable fishing were evaluated based on fishing effort from AIS by constructing an integrated habitat suitability index (HSI), which weight of variables were determined with boosted regression trees (BRT) model. The results show that the fishing activity tuna purse-seine fleet and catch data from the Western and Central Pacific Fisheries Commission (WCPFC) have the same spatial distribution.The tuna purse seine fleet operation concentrate in EEZ area of the Pacifc Island countries and has seasonal environmental preferences. The fishing habitat suitability can be characterized by a few environmental factors. The HSI model had good capacity to predict habitat suitability to tuna purse seine fleet for mostly catch and fishing effort located in the suitable area. The suitable fishing areas showed significant seasonal changes and low utilization of the available environmentally suitable fishing habitat in each month. The most stable suitable area located in the New Guinea Offshore latitudinal region, may be experiencing high tuna purse-seine fishing pressure throughout the year. The research could help to improve the scientific and effective management of distant water fisheries under limited regulatory capacity.
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