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Influence of Kuroshio water on the annual copepod community structure in an estuary in the northwest Pacific Ocean
Tseng, Li-Chun; Hsiao, Shih-Hui; Sarkar, Santosh Kumar; Bhattacharya, Bhaskar Deb; Chen, Qing-Chao; Hwang, Jiang-Shiou; Hwang, JS (reprint author), Natl Taiwan Ocean Univ, Inst Marine Biol, 2 Beining Rd, Keelung 202, Taiwan.
2016
Source PublicationCONTINENTAL SHELF RESEARCH
Volume118Pages:165-176
AbstractThe influence of Kuroshio water on temporal distribution and copepod diversity was investigated in the Lanyang River estuary (LRE), the longest river in northeast Taiwan, to assess secondary productivity. Zooplankton samples were collected bimonthly from the surface waters (0-2 m) of the estuary during cruises in 2006. Hydrological parameters indicated that the water in the LRE was an admixture of the Lanyang River water and seawater. Among the different genera, 47 copepod species (including 10 species that were identified only to the generic level) belonging to 28 genera, 16 families, and 4 orders were identified. The abundance and proportion of copepods to the total zooplankton counts range from 0 to 3683.42 (304.9 +/- 692.7 individuals m(-3)) and from 0 to 100 (55.09 +/- 34.84%) respectively. The copepod community structure revealed a distinct seasonal succession and showed significant differences among the sampling cruises (p < 0.05, One-way ANOVA). The 5 most abundant species were Parvocalanus crassirostris (relative abundance [RA]: 50.93%), Pseudodiaptomus serricaudatus (RA: 16.85%), Euterpina acutifrons (RA: 7.34%), Cyclops vicinus (RA: 4.82%), and Microcyclops tricolor (RA: 3.15%). The abundance, species number, indices of richness, evenness, and copepod diversity varied significantly (p < 0.05, Oneway ANOVA) for all the cruises. Pearson correlation analysis results demonstrated that salinity was positively correlated with the copepod species number (r=0.637), total copepod abundance (r=0.456), and Shannon-Wiener diversity index (r=0.375) with a 1% level of significance. By contrast, the evenness index was negatively correlated with salinity (r= 0375, p=0.01), indicating that copepod diversity in the LRE was influenced mainly by seawater. The Kuroshio Current played a major role in transporting and distributing warm-water copepods to its affected area. Copepod species assemblages showed seasonal succession and varied drastically with tidal change. The latter registered high abundance, and the presence of the highest number of species was correlated with intruding seawater. (C) 2016 Elsevier Ltd. All rights reserved.
Department[Tseng, Li-Chun; Hwang, Jiang-Shiou] Natl Taiwan Ocean Univ, Inst Marine Biol, Keelung 20224, Taiwan; [Hsiao, Shih-Hui] Natl Taipei Univ Educ, Dept Sci Educ, Taipei 10671, Taiwan; [Sarkar, Santosh Kumar; Bhattacharya, Bhaskar Deb] Univ Calcutta, Dept Marine Sci, 35 Ballygunge Circular Rd, Kolkata 700019, W Bengal, India; [Chen, Qing-Chao] Acad Sinica, South China Sea Inst Oceanog, Guangzhou, Guangdong, Peoples R China; [Hwang, Jiang-Shiou] Kaohsiung Med Univ, Dept Biomed Sci & Environm Biol, Kaohsiung 80708, Taiwan
KeywordCopepods Biodiversity Kuroshio Current Estuary Annual Change Tidal Effect
Subject AreaOceanography
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15541
Collection中科院海洋生物资源可持续利用重点实验室
Corresponding AuthorHwang, JS (reprint author), Natl Taiwan Ocean Univ, Inst Marine Biol, 2 Beining Rd, Keelung 202, Taiwan.
Recommended Citation
GB/T 7714
Tseng, Li-Chun,Hsiao, Shih-Hui,Sarkar, Santosh Kumar,et al. Influence of Kuroshio water on the annual copepod community structure in an estuary in the northwest Pacific Ocean[J]. CONTINENTAL SHELF RESEARCH,2016,118:165-176.
APA Tseng, Li-Chun.,Hsiao, Shih-Hui.,Sarkar, Santosh Kumar.,Bhattacharya, Bhaskar Deb.,Chen, Qing-Chao.,...&Hwang, JS .(2016).Influence of Kuroshio water on the annual copepod community structure in an estuary in the northwest Pacific Ocean.CONTINENTAL SHELF RESEARCH,118,165-176.
MLA Tseng, Li-Chun,et al."Influence of Kuroshio water on the annual copepod community structure in an estuary in the northwest Pacific Ocean".CONTINENTAL SHELF RESEARCH 118(2016):165-176.
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