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题名: Community composition of picoeukaryotes in the South China Sea during winter
作者: Lin Y-C
K-P Chiang
L-K Kung
贡献者: 國立臺灣海洋大學:海洋觀光管理學士學位學程(學系)
关键词: Picoeukaryotes
18S rRNA gene
The South China Sea
Dongsha Island
日期: 2017-05
上传时间: 2018-08-21T08:41:46Z
出版者: Cont. Shelf Res
摘要: Abstract: Picoeukaryotes, the smallest protists, are highly diverse and abundant in the ocean. However, little information is available about their community composition in the tropical northwestern Pacific Ocean. This study collected surface and deep chlorophyll maximum (DCM) waters from the South China Sea (SCS) to study the picoeukaryotic composition by constructing clone libraries of the 18S rRNA gene. The libraries were dominated by the heterotrophic organisms, alveolates and Rhizaria, which accounted for 46% and 16% of total clones, respectively. MALV-I was the most abundant group in alveolates, and Rhizaria appears to be a key organism in the SCS, particularly within DCM layers. These results indicate that parasitism is significant in the oligotrophic and tropical SCS. Apart from core-dinoflagellates, chlorophytes, haptophytes, cryptophytes and pelagophytes were other important contributors to primary production in pico-sized fraction based on quantitative and qualitative data.
關聯: 143(1) pp.91-100
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48277
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