Impact of Climate Change on Wintering Ground of Japanese Anchovy (Engraulis japonicus) Using Marine Geospatial Statistics
文献类型： 外文期刊
作者： Liu, Shuhao 1 ; Liu, Yang 1 ; Alabia, Irene D. 4 ; Tian, Yongjun 1 ; Ye, Zhenjiang 1 ; Yu, Haiqing 1 ; Li, Jianchao 1 ; C 1 ;
作者机构： 1.Ocean Univ China, Lab Fisheries Oceanog, Coll Fisheries, Qingdao, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao, Peoples R China
3.Ocean Univ China, Inst Adv Ocean Study, Qingdao, Peoples R China
4.Hokkaido Univ, Arctic Res Ctr, Sapporo, Hokkaido, Japan
5.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai, Peoples R China
关键词： Japanese anchovy; habitat characterization; salinity front; abundance distribution models; climate change
期刊名称：FRONTIERS IN MARINE SCIENCE （ 影响因子：4.912； 五年影响因子：5.125 ）
ISSN：
年卷期： 2020 年 7 卷
页码：
收录情况： SCI
摘要： The distribution and fluctuations in abundance of small pelagic species such as anchovy are largely affected by climate change. We hypothesized that the future projected rise in temperature will result to a northward shift of Japanese anchovy (Engraulis japonicus) habitat and a subsequent increase in relative abundance. To test this hypothesis, we explored the link between Japanese anchovy abundance and environmental conditions using machine-learning and statistical models. The models were fitted with catch per unit effort (CPUE) as the response variable and remotely sensed data of sea surface temperature (SST), sea surface chlorophyll-a (Chl-a), assimilated information of sea surface salinity (SSS), meridional and zonal ocean currents, and depth as environmental covariates. Our results showed that the abundance of E. japonicus was significantly influenced by environmental factors. In particular, salinity front and SST highlight strong relationships with winter CPUE distribution. Based on these models, the results reinforced our hypothesis and showed that the warming ocean will drive a substantial shift in Japanese anchovy habitat in the China seas. SST and CPUE showed negative correlations with the El Nino Southern Oscillation (ENSO) index. These findings underpin ramifications of the climate-driven habitat shift of small pelagic fish species on the regional marine ecosystem in the China seas.
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