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Radiolarian biogeography in surface sediments of the Northwest Pacific marginal seas
Liu, L; Zhang, Q; Chen, MH; Zhang, LL; Xiang, R; zhangqiang210@scsio.ac.cn
2017
发表期刊SCIENCE CHINA-EARTH SCIENCES
卷号60期号:3页码:517-530
摘要Overall abundance and species composition of radiolarian faunas were analyzed in surface sediment samples from representative areas of South China Sea, East China Sea, Sea of Japan, Sea of Okhotsk, Bering Sea, Philippine Sea, and the western boundary current regions of the North Pacific, in order to understand the biogeographic distribution of radiolarians in the Northwest Pacific and explore its relationship with the main environmental factors and the North Pacific circulation. The results showed that radiolarians in the Northwest Pacific surface sediments can be divided into two large biogeographic provinces-cluster A and cluster B. Cluster A is characterized by the dominance of warm-water species and distributed primarily in tropical and subtropical seas with high radiolarian abundance and diversity; whereas cluster B is predominated by cold water species and distributed mainly in the Arctic and subarctic seas with comparably low abundance and diversity. Cluster A is further divided into five subclusters, A1 to A5, which correspond to East China Sea, Philippine Sea, South China Sea, Sea of Japan, and Kuroshio Current, respectively; cluster B is divided into three subclusters, B1 to B3, which correspond to Sea of Okhotsk, Bering Sea, and subarctic gyre area, respectively. Based on the relationships between radiolarian faunas and major environment parameters in different biogeographic provinces, we suggest that the sea surface temperature (SST) and sea surface salinity (SSS) are primary factors that influence productivity, composition, and distribution pattern of the radiolarian fauna in the Northwest Pacific regions, while water depth is likely responsible for regional differences in the radiolarian fauna in each marginal sea. In addition, according to the distribution and abundance patterns of common radiolarian species in different areas, we identified five special radiolarian assemblages, which may be used as indicators for main Kuroshio Current, Kuroshio-East China Sea Branch, Kuroshio-South China Sea Branch, Tsushima Current, and Oyashio Current water masses.
部门归属[Liu Ling; Zhang Qiang; Chen MuHong; Zhang LanLan; Xiang Rong] Chinese Acad Sci, Key Lab Marginal Sea Geol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Liu Ling; Zhang Qiang] Univ Chinese Acad Sci, Beijing 100039, Peoples R China; [Zhang Qiang] Minist Land & Resources, Key Lab Marine Mineral Resources, Guangzhou 510075, Guangdong, Peoples R China
关键词Northwest Pacific Marginal Seas Radiolarian Biogeography North Pacific Circulation
资助项目MSG
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/16481
专题中科院边缘海地质重点实验室
通讯作者zhangqiang210@scsio.ac.cn
推荐引用方式
GB/T 7714
Liu, L,Zhang, Q,Chen, MH,et al. Radiolarian biogeography in surface sediments of the Northwest Pacific marginal seas[J]. SCIENCE CHINA-EARTH SCIENCES,2017,60(3):517-530.
APA Liu, L,Zhang, Q,Chen, MH,Zhang, LL,Xiang, R,&zhangqiang210@scsio.ac.cn.(2017).Radiolarian biogeography in surface sediments of the Northwest Pacific marginal seas.SCIENCE CHINA-EARTH SCIENCES,60(3),517-530.
MLA Liu, L,et al."Radiolarian biogeography in surface sediments of the Northwest Pacific marginal seas".SCIENCE CHINA-EARTH SCIENCES 60.3(2017):517-530.
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