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学科主题: Ecology; Limnology
题名: Temporal and spatial variations in the species composition, distribution, and abundance of protozoa in East Dongting lake, China
作者: Wu, Li; Feng, Weisong; Yu, Yuhe; Shen, Yunfen
通讯作者: Feng, WS, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: PLANKTONIC CILIATED PROTOZOA ; FRESH-WATER ; EUTROPHIC LAKE ; FLORIDA LAKES ; TROPHIC STATE ; PROTOZOOPLANKTON ; COMMUNITY ; ZOOPLANKTON ; CILIOPHORA ; CONSTANCE
刊名: JOURNAL OF FRESHWATER ECOLOGY
发表日期: 2007-12-01
卷: 22, 期:4, 页:655-665
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Ecology ; Limnology
研究领域[WOS]: Environmental Sciences & Ecology ; Marine & Freshwater Biology
摘要: Investigations of protozoa were carried out during four surveys of East Dongting Lake, China. A total of 160 protozoan species belonging to 71 genera was identified, of which 53 were flagellates, 37 sarcodines, and 70 ciliates. Among them, Peritrichida (32.6% of frequency), Arcellinida (16.2%), Volvocales (13.61/6), Peridiniales (13.1%), and Chrysomonadales (9.1%) were the main groups and contributed to 84.5% of the overall species. Ciliates were mainly composed of sessile species and small species. The total protozoan abundance varied from 2,400 cells L-1 to 20,250 cells L-1. The highest protozoan abundance occurred in spring; the lowest number was in autumn. The highest abundance of ciliates occurred in spring and winter, whereas flagellates developed the highest abundance in,summer and autumn. Pearson correlation analysis and linear regressions indicated that chlorophyll a and water velocity were the main factors affecting ternporal and spatial variations of the protozoan abundance.
英文摘要: Investigations of protozoa were carried out during four surveys of East Dongting Lake, China. A total of 160 protozoan species belonging to 71 genera was identified, of which 53 were flagellates, 37 sarcodines, and 70 ciliates. Among them, Peritrichida (32.6% of frequency), Arcellinida (16.2%), Volvocales (13.61/6), Peridiniales (13.1%), and Chrysomonadales (9.1%) were the main groups and contributed to 84.5% of the overall species. Ciliates were mainly composed of sessile species and small species. The total protozoan abundance varied from 2,400 cells L-1 to 20,250 cells L-1. The highest protozoan abundance occurred in spring; the lowest number was in autumn. The highest abundance of ciliates occurred in spring and winter, whereas flagellates developed the highest abundance in,summer and autumn. Pearson correlation analysis and linear regressions indicated that chlorophyll a and water velocity were the main factors affecting ternporal and spatial variations of the protozoan abundance.
关键词[WOS]: PLANKTONIC CILIATED PROTOZOA ; FRESH-WATER ; EUTROPHIC LAKE ; FLORIDA LAKES ; TROPHIC STATE ; PROTOZOOPLANKTON ; COMMUNITY ; ZOOPLANKTON ; CILIOPHORA ; CONSTANCE
语种: 英语
WOS记录号: WOS:000251330600012
ISSN号: 0270-5060
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8348
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Wu, Li; Feng, Weisong; Yu, Yuhe; Shen, Yunfen.Temporal and spatial variations in the species composition, distribution, and abundance of protozoa in East Dongting lake, China,JOURNAL OF FRESHWATER ECOLOGY,2007,22(4):655-665
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