Distribution of diatoms and silicoflagellates in surface sediments of the Yellow Sea and offshore from the Changjiang River, China
Wang, YN; Liu, DY; Di, BP; Shi, YJ; Wang, YJ; Liu, DY (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China. dyliu@yic.ac.cn
2016
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号34期号:1页码:44-58
产权排序[Wang Yanna; Liu Dongyan; Di Baoping; Shi Yajun; Wang Yujue] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China; [Wang Yanna] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
摘要The spatial distribution of siliceous microfossils (diatoms and silicoflagellates) in the surface sediments was mapped at 113 sites in the Yellow Sea and sea areas adjacent to the Changjiang (Yangtze) River, China. In total, 267 diatom taxa and two silicoflagellate species were identified from the sediments. The spatial variations in abundance and diversity were classified into three distinct geographic patterns using Q mode clustering: a south-north geographic pattern, a coastal-offshore pattern and a unique pattern in the Changjiang River mouth. The south-north geographic pattern was related to the spatial variations in sea temperature. Coscinodiscus oculatus, a warm-water species, indicated these variations by a gradual decrease in abundance from the south to the north. The coastal-offshore pattern was in response to the spatial variations in salinity. Cyclotella stylorum, Actinocyclus ehrenbergii and Dictyocha messanensis, the dominant brackish species in coastal waters, significantly decreased at the isobaths of approximately 30 m, where the salinity was higher than 31. Paralia sulcata and Podosira stelliger indicated the impact of the Yellow Sea Warm Current in the central Yellow Sea. The unique pattern in the Changjiang River mouth showed the highest species diversity but lower abundance, apparently because: freshwater input can significantly increase the proportion of brackish species; nutrients can supply the growth of phytoplankton; and high sedimentation rates can dilute the microfossil abundance in the sediments. Our results show that an integration of environmental factors (e.g., nutrient levels, sedimentation rate, sea temperature, salinity and water depth) determined the spatial characteristics of the siliceous microfossils in the surface sediments.
关键词Siliceous Microfossil Yellow Sea Changjiang (Yangtze) River Biogeography Sedimentary Environment
作者部门中科院海岸带环境过程与生态修复重点实验室
DOI10.1007/s00343-015-4237-0
项目资助者National Natural Science Foundation of China(41376121) ; Strategic Priority Research Program of Chinese Academy of Sciences(XDA11020405) ; Natural Science Foundation of Shandong Province(JQ201414) ; Cooperation Project of Chinese Academy of Sciences and Hebei Academy of Sciences(13001001)
收录类别SCI
关键词[WOS]TRANSITION ZONE ; BALTIC SEA ; ECOSYSTEMS ; EUTROPHICATION ; ASSEMBLAGES ; SALINITY ; PATTERNS ; NUTRIENT ; CIRCULATION ; COMMUNITY
文章类型Article
语种英语
WOS研究方向Marine & Freshwater Biology ; Oceanography
WOS记录号WOS:000370345300005
引用统计
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/10864
专题中科院海岸带环境过程与生态修复重点实验室
通讯作者Liu, DY (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China. dyliu@yic.ac.cn
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia
2.Univ Chinese Acad Sci
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GB/T 7714
Wang, YN,Liu, DY,Di, BP,et al. Distribution of diatoms and silicoflagellates in surface sediments of the Yellow Sea and offshore from the Changjiang River, China[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2016,34(1):44-58.
APA Wang, YN,Liu, DY,Di, BP,Shi, YJ,Wang, YJ,&Liu, DY .(2016).Distribution of diatoms and silicoflagellates in surface sediments of the Yellow Sea and offshore from the Changjiang River, China.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,34(1),44-58.
MLA Wang, YN,et al."Distribution of diatoms and silicoflagellates in surface sediments of the Yellow Sea and offshore from the Changjiang River, China".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 34.1(2016):44-58.
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