The Pacific decadal oscillation and changes in anchovy populations in the Northwest Pacific
文献类型: 外文期刊
作者: Zhou, Xin 1 ; Sun, Yao 3 ; Huang, Wen 1 ; Smol, John P. 5 ; Tang, Qisheng 3 ; Sun, Liguang 1 ;
作者机构: 1.Univ Sci & Technol China, Inst Polar Environm, Hefei 230026, Peoples R China
2.Univ Sci & Technol China, Sch Earth & Space Sci, Hefei 230026, Peoples R China
3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
4.N Carolina State Univ, Dept Genet, Raleigh, NC 27695 USA
5.Queens Univ, Dept Biol, PEARL, Kingston, ON K7L 3N6, Canada
关键词: Engraulis japonicus;Fish scale;Pacific decadal oscillation;Yellow Sea;Sea surface temperature;Pacific Northwest
期刊名称:JOURNAL OF ASIAN EARTH SCIENCES ( 影响因子:3.449; 五年影响因子:3.96 )
ISSN: 1367-9120
年卷期: 2015 年 114 卷
页码:
收录情况: SCI
摘要: The Pacific decadal oscillation (PDO) has been identified as an important driver for fluctuation of fish populations on the eastern Pacific Ocean. However, the relationship between changes in fish population and climate oscillations on a decadal time scale in the Northwest Pacific is still unclear due to the lack of reliable long-term time series data. In the present study, a time series of Engraulis japonicus (Japanese anchovy) populations was reconstructed using the density of sedimentary fish scales in the Yellow Sea basin. E. japonicus populations and the PDO index showed similar patterns on a decadal time scale. Our results confirm that climate is a major driver of ecological changes on a decadal time scale, and indi-cate that suitable sea water temperature might be the main forcing of anchovy migration. This work also demonstrates the potential of predicting changes in fish population based on climate records. (c) 2015 Elsevier Ltd. All rights reserved.
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