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题名: Response of rotifer community to environmental changes in five shallow lakes in the middle reach of Changjiang River, China
作者: Du Xue1, 2; Feng Weisong1; Li Wei1; Ye Shaowen1; Liu Jiashou1; Zhang Tanglin1; Li Zhongjie1
关键词: rotifer ; environmental variables ; shallow lakes ; eutrophication
刊名: CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
发表日期: 2014-09-01
DOI: 10.1007/s00343-014-3354-5
卷: 32, 期:5, 页:1083-1091
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]: Limnology ; Oceanography
研究领域[WOS]: Marine & Freshwater Biology ; Oceanography
英文摘要: We evaluated the response of a rotifer community to environmental changes in five shallow lakes in the middle reach of the Changjiang (Yangtze) River in summer and autumn 2010. These five lakes differed in trophic status and rotifer community structure. Twenty-nine rotifer species were collected, of which Keratella cochlearis, Polyarthra dolichoptera, and Trichocerca elongate were dominant. The mean density, Shannon-Wiener diversity, and equitability among the five lakes differed significantly (P < 0.05). The mean rotifer density was positively correlated with trophic state. The diversity was higher in lakes with high macrophyte coverage. The composition of rotifer species was closely associated with the trophic gradient. Five environmental variables, Secchi depth, conductivity, TN, NH4-N, and TP, significantly affected the composition of rotifer species. Keratella quadrata, Brachionus calyciflorus, and B. forficula were more common in eutrophic conditions. Our results suggest that eutrophication has a significant influence on the rotifer community structure and highlight the potential for using rotifer community structure as an indicator of trophic status in subtropical lakes.
关键词[WOS]: FRESH-WATER ; SUBMERGED MACROPHYTES ; SPECIES RICHNESS ; TROPHIC STATE ; NORTH-ISLAND ; NEW-ZEALAND ; EAST CHINA ; TOP-DOWN ; EUTROPHICATION ; BIODIVERSITY
语种: 英语
WOS记录号: WOS:000340879900013
ISSN号: 0254-4059
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20310
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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