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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44951

Title: Seasonality of the copepod assemblages associated with interplay waters off northeastern Taiwan
Authors: Li-Chun Tseng;Jia-Jang Hung;Qing-Chao Chen;Jiang-Shiou Hwang
Contributors: 國立臺灣海洋大學:海洋生物研究所
Keywords: Indicator species;Copepod assemblages;Succession;East China Sea;Kuroshio Current;Communicated by H.-D. Franke.
Date: 2013-09
Issue Date: 2017-12-14T06:48:31Z
Publisher: Helgoland Marine Research
Abstract: Abstract:This study investigated copepod assemblages in the regime around Turtle Island off northern Taiwan to trace South China Sea water (SCSW) flowing northward with the Kuroshio Current. Seasonal variations of copepod assemblages demonstrated a dynamic succession of changes in copepod populations; the average abundance for total copepods ranged from 102.58 ± 53.38 in December to 1669.89 ± 1866.17 in March (individuals m−3). A total of 87 copepod species representing 36 genera and 21 families were identified. Among all samples, Temora turbinata dominated the copepods by a relative abundance (RA) of 26.89 %, followed by Paracalanus parvus (RA: 22.34 %) and Corycaeus (Ditrichocorycaeus) affinis (RA: 12.77 %). Only the Acrocalanus gracilis species was recorded in all samples. Results of one-way ANOVA revealed that the number of copepod species, indices of richness, evenness, and Shannon–Wiener diversity differed significantly in five different cruises. The density of five copepod species (Gaetanus minor, Calanus sinicus, Eucalanus elongates, Rhincalanus nasutus, and Rhincalanus rostrifrons) exhibited a significant negative correlation with seawater temperature. In contrast, the density of Canthocalanus pauper and Undinula vulgaris was significantly positively correlated with seawater temperature. The cold-water indicator species, C. sinicus, recorded in samples of March and May indicated the effect of China Coast Water (CCW) on copepod communities in the study area. Furthermore, the presence of Calanoides philippinensis in May samples strongly indicated that the SCSW may reach the Turtle Island area. Consequently, C. philippinensis and C. sinicus can be used to trace SCSW and CCW, respectively, in the study area.
Relation: 67(3), pp.507-520
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44951
Appears in Collections:[海洋生物研究所] 期刊論文

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