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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50096

Title: Species composition and assemblages of ichthyoplankton during summer in the East China Sea
Authors: Han-Yang Lin
Mei-Yun Chiu
Yu-Ming Shih
I-Shiung Chen
Ming-An Lee
Kwang-Tsao Shao
Contributors: 國立臺灣海洋大學:環境生物與漁業科學學系
Keywords: Fish eggs
Fish larvae
Species composition and assemblage
DNA barcoding
East China Sea
Date: 2016-07
Issue Date: 2018-09-14T08:08:16Z
Publisher: Continental Shelf Research
Abstract: Abstract: The East China Sea (ECS) is one of the most important fish spawning and nursery grounds in the north Pacific. Even though summer is an important spawning season for many fishes in the region, large-scale molecular identification studies on ichthyoplankton during this season are few. In this study, we sampled 8,933 fish eggs and 12,161 fish larvae from 25 stations during the summer of 2009. Using DNA barcoding, a number of the fish eggs and larvae were identified and classified into 45 and 124 taxa, respectively. Principal component analysis (PCA) categorized the inshore stations of the Changjiang Diluted Water area as having the hydrographic features of low sea surface temperature (SST), salinity (SSS) and high chlorophyll a (SSC) contents, whereas the continental shelf and offshore stations under the influence of the Kuroshio Current displayed the opposite results. Ichthyoplankton was more abundant at the inshore stations than the offshore stations, but species diversity was lower at the former locations. Species compositions of both fish eggs and fish larvae at the 25 stations were categorized into three different assemblages based on a non-metric multidimensional scaling analysis. Combining the assemblage patterns of ichthyoplankton with the results of the PCA and satellite images of SST and SSC showed that the assemblage patterns of fish eggs were correlated with water mass, while those of the fish larvae were not.
Relation: 126 pp.64-78
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50096
Appears in Collections:[環境生物與漁業科學學系] 期刊論文

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