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学科主题: Environmental Sciences
题名: Short-term effects of drawing water for connectivity of rivers and lakes on zooplankton community structure
作者: Wu Zhenbin1; Liu Aifen1, 2; Zhang Shiyang1, 2; Cheng Shuiping1; Wu Xiaohui1
通讯作者: Wu, ZB, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
关键词: drawing water ; connectivity ; zooplankton ; species richness
刊名: JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
发表日期: 2008
卷: 20, 期:4, 页:419-423
收录类别: SCI
文章类型: Article
部门归属: [Wu Zhenbin; Liu Aifen; Zhang Shiyang; Cheng Shuiping; Wu Xiaohui] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Liu Aifen; Zhang Shiyang] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
摘要: During 28-29, September 2005, water was drawn from Hanjiang River and Houguan Lake to the Yangzi River via Sanjiao Lake and Nantaizi Lake in Wuhan in order to provide favorable conditions for ecosystem restoration. To evaluate the feasibility and validity of drawing water as a means of ecosystem restoration, zooplankton populations were studied 3 times (before, immediately after finishing and a month after drawing water) at seven locations from 27 Sept. 2005 to 2 Nov. 2005. Water quality in the lakes was mostly improved and zooplankton species richness decreased as soon as drawing water had finished but increased a month after drawing water. Zooplankton density and biomass was reduced in the lakes by drawing water but was increased at the entrance to Sanjiao Lake because of landform geometry change. Before drawing water, most species in Sanjiao Lake e.g., Brachionus sp. and Keratella sp. were tolerant of contamination. After drawing water oligotrophic-prone species such as Lecane ludwigii and Gastropus stylifer emerged. We conclude that drawing water could be important for improving water quality and favour ecosystem restoration. Dilution of nutrient concentrations may be an important role in the effect.
英文摘要: During 28-29, September 2005, water was drawn from Hanjiang River and Houguan Lake to the Yangzi River via Sanjiao Lake and Nantaizi Lake in Wuhan in order to provide favorable conditions for ecosystem restoration. To evaluate the feasibility and validity of drawing water as a means of ecosystem restoration, zooplankton populations were studied 3 times (before, immediately after finishing and a month after drawing water) at seven locations from 27 Sept. 2005 to 2 Nov. 2005. Water quality in the lakes was mostly improved and zooplankton species richness decreased as soon as drawing water had finished but increased a month after drawing water. Zooplankton density and biomass was reduced in the lakes by drawing water but was increased at the entrance to Sanjiao Lake because of landform geometry change. Before drawing water, most species in Sanjiao Lake e.g., Brachionus sp. and Keratella sp. were tolerant of contamination. After drawing water oligotrophic-prone species such as Lecane ludwigii and Gastropus stylifer emerged. We conclude that drawing water could be important for improving water quality and favour ecosystem restoration. Dilution of nutrient concentrations may be an important role in the effect.
关键词[WOS]: SPECIES RICHNESS ; HYDROLOGICAL CONNECTIVITY ; HABITAT FRAGMENTATION ; AQUATIC VEGETATION ; DIVERSITY ; EUTROPHICATION ; METACOMMUNITIES ; COEXISTENCE ; PHOSPHORUS ; TURBIDITY
语种: 英语
WOS记录号: WOS:000254963300006
ISSN号: 1001-0742
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8168
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, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Wu Zhenbin; Liu Aifen; Zhang Shiyang; Cheng Shuiping; Wu Xiaohui.Short-term effects of drawing water for connectivity of rivers and lakes on zooplankton community structure,JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2008,20(4):419-423
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