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Response of the diatom flora in Jiaozhou Bay, China to environmental changes during the last century
Liu, Dongyan1,2; Sun, Jun3; Zhang, Jing4; Liu, Guangshan5
2008-02-20
发表期刊MARINE MICROPALEONTOLOGY
ISSN0377-8398
卷号66期号:3-4页码:279-290
文章类型Article
摘要The diatom flora in a 164 cm long sediment core obtained from Jiaozhou Bay (Yellow Sea, China) was analyzed in order to trace the response of diatoms to environmental changes over the past 100 years. The sediment core was dated by Pb-210 and Cs-137 and represented approximately 100 years (1899-2001 A.D.). The flora was mainly composed of centric diatoms (59-96%). The concentration of diatoms declined sharply above 30 cm (after similar to 1981 A.D.), while the dominant species changed from Thalassiosira anguste-lineatus, Thalassiosira eccentria, Coscinodiscus excentricus, Coscinodiscus concinnus and Diploneis gorjanovici to Cyclotella stylorum and Paralia sulcata. Species richness decreased slightly, and the cell abundance of warm-water species increased. We argue that these floral changes were probably caused by climate change in combination with eutrophication resulting from aquaculture and sewage discharge. (c) 2007 Elsevier B.V. All rights reserved.; The diatom flora in a 164 cm long sediment core obtained from Jiaozhou Bay (Yellow Sea, China) was analyzed in order to trace the response of diatoms to environmental changes over the past 100 years. The sediment core was dated by Pb-210 and Cs-137 and represented approximately 100 years (1899-2001 A.D.). The flora was mainly composed of centric diatoms (59-96%). The concentration of diatoms declined sharply above 30 cm (after similar to 1981 A.D.), while the dominant species changed from Thalassiosira anguste-lineatus, Thalassiosira eccentria, Coscinodiscus excentricus, Coscinodiscus concinnus and Diploneis gorjanovici to Cyclotella stylorum and Paralia sulcata. Species richness decreased slightly, and the cell abundance of warm-water species increased. We argue that these floral changes were probably caused by climate change in combination with eutrophication resulting from aquaculture and sewage discharge. (c) 2007 Elsevier B.V. All rights reserved.
关键词Jiaozhou Bay Diatom Diversity Sediment Climate Change Eutrophication
学科领域Paleontology
DOI10.1016/j.marmicro.2007.10.007
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000254134000009
引用统计
被引频次:51[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/5362
专题海洋生态与环境科学重点实验室
作者单位1.Univ Wollongong, Sch Earth & Environm Sci, Wollongong, NSW 2522, Australia
2.Ocean Univ China, Coll Marine Life Sci, Qingdao 266003, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
4.E China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China
5.Xiamen Univ, Dept Oceanog, Xiamen 361005, Peoples R China
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Liu, Dongyan,Sun, Jun,Zhang, Jing,et al. Response of the diatom flora in Jiaozhou Bay, China to environmental changes during the last century[J]. MARINE MICROPALEONTOLOGY,2008,66(3-4):279-290.
APA Liu, Dongyan,Sun, Jun,Zhang, Jing,&Liu, Guangshan.(2008).Response of the diatom flora in Jiaozhou Bay, China to environmental changes during the last century.MARINE MICROPALEONTOLOGY,66(3-4),279-290.
MLA Liu, Dongyan,et al."Response of the diatom flora in Jiaozhou Bay, China to environmental changes during the last century".MARINE MICROPALEONTOLOGY 66.3-4(2008):279-290.
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