FOOTPRINT OF SEA SURFACE TEMPERATURE CHANGES IN SKIPJACK TUNA (KATSUWONAS PELAMIS) IN THE WESTERN AND CENTRAL PACIFIC OCEAN
文献类型： 外文期刊
作者： Jin, Shaofei 1 ; Chen, Yi 1 ; Lin, Musheng 1 ; Cui, Xuesen 3 ; Wang, Yongli 2 ;
作者机构： 1.Minjiang Univ, Dept Geog, Ocean Coll, Fuzhou 350108, Fujian, Peoples R China
2.Chinese Acad Sci, Key Lab Reg Climate Environm Temperate East Asia, Inst Atmospher Phys, Beijing 100029, Peoples R China
3.Chinese Acad Fishery Sci, Key Lab East China Sea & Ocean Fishery Resources, Minist Agr, East China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China
4.Minjiang Univ, Econ & Management Coll, Fuzhou 350108, Fujian, Peoples R China
5.Minjiang Univ, Fujian Prov Key Lab Informat Proc & Intelligent C, Fuzhou 350108, Fujian, Peoples R China
关键词： Skipjack tuna; climate change; purse seine; Pacific Ocean; CPUE; fisheries management
期刊名称：FRESENIUS ENVIRONMENTAL BULLETIN （ 影响因子：0.489； 五年影响因子：0.479 ）
ISSN： 1018-4619
年卷期： 2019 年 28 卷 2A 期
页码：
收录情况： SCI
摘要： Skipjack tuna (Katsuwonas pelamis) is the determinant catch species in the tuna fishery in the Western and Central Pacific Ocean (WCPO). Although models had showed tropical skipjack tuna habitat was away from the WCPO on the future warming scenarios, it is unclear the detail responses of skipjack tuna to the occurring sea surface temperature (SST) changes. To address this gap, we assessed the sensitivities and response rates of skip jack tuna to the SST during the global warming hiatus period using a distributed lag non-linear model. Strong and significant negative correlations were investigated between the SST and the mean catch-per-unit-efforts (CPUE) in the higher SST region, specifically in the region between 10 S and 10 N. Moreover, the mean CPUE significantly decreased after a 12-month lag when the SST was below 28.7 degrees C. Our results recommended that more rigorous tuna fishery managements in the WCPO will be needed to carry out to adapt the future ocean warming.
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