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题名: Fluctuation in abundance of larval anchovy and environmental conditions in coastal waters off south-western Taiwan as associated with the El Niño–Southern Oscillation
贡献者: 國立臺灣海洋大學:環境生物與漁業科學學系
关键词: anchovy larva;climate;El NinÄo±SouthernOscillation (ENSO);periodicity;southern oscillationindex (SOI)
日期: 1998-02
上传时间: 2016-12-16T08:31:51Z
出版者: Fisheries Oceanography
摘要: Abstract:Monthly abundance (CPUE) of larval anchovy in the coastal waters off south-western Taiwan from 1980 to 1992 (156 months) fluctuated at intervals corresponding to the 4.3- and 2.2-year cycles of the southern oscillation index (SOI). Also, CPUE was significantly correlated with sea surface temperature with a time lag of 3 months and nearly significantly to river flow with a time lag of 4 months, which in turn correlated with SOI at lags of 13–14 months (cross-correlation and transfer function analyses). The results suggested the presence of linkage between recruitment of the larvae and ENSO episodes, perhaps through oceanographic and meteorological conditions that affect coastal upwelling and river discharge. The Kuroshio Current, which is the western extension of the North Equatorial Current, may be one of the important mechanisms of ENSO's teleconnections affecting local climate and fisheries in the western Pacific region.
關聯: 6(4), pp.238-249
显示于类别:[環境生物與漁業科學學系] 期刊論文


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