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学科主题: Limnology; Marine & Freshwater Biology
题名: Food composition and dietary overlap of macroinvertebrates in a shallow eutrophic lake in China: spatial and temporal variations
作者: Liu, Xue-Qin; Wang, Hong-Zhu
通讯作者: Wang, HZ, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
关键词: food composition ; dietary overlap ; macroinvertebrates ; eutrophic lake
刊名: FUNDAMENTAL AND APPLIED LIMNOLOGY
发表日期: 2007
DOI: 10.1127/1863-9135/2007/0168-0071
卷: 168, 期:1, 页:71-82
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Limnology ; Marine & Freshwater Biology
研究领域[WOS]: Marine & Freshwater Biology
摘要: The present study was conducted in Lake Donghu, a suburban eutrophic lake arising from the middle reaches of the Yangtze River, China. Food composition of 32 taxa of zoobenthos was analyzed from 1251 gut samples. Macroinvertebrate primary consumers ingested mainly detritus, sand grains and diatoms. The predators primarily preyed on rotifers, crustaceans, oligochaetes and chironomid larvae. The dietary overlap was relatively high among collector taxa but low among other macroinvertebrates. Food composition and dietary overlap of macroinvertebrates changed considerably, both spatially and temporally. Food web structure differed between inshore and offshore regions of Lake Donghu. The inshore web was relatively complex and dynamic whereas the offshore web was simple and stable. Taxon-specific changes of diet seem to have little effect on the benthic food web structure in offshore waters of a eutrophic lake.
英文摘要: The present study was conducted in Lake Donghu, a suburban eutrophic lake arising from the middle reaches of the Yangtze River, China. Food composition of 32 taxa of zoobenthos was analyzed from 1251 gut samples. Macroinvertebrate primary consumers ingested mainly detritus, sand grains and diatoms. The predators primarily preyed on rotifers, crustaceans, oligochaetes and chironomid larvae. The dietary overlap was relatively high among collector taxa but low among other macroinvertebrates. Food composition and dietary overlap of macroinvertebrates changed considerably, both spatially and temporally. Food web structure differed between inshore and offshore regions of Lake Donghu. The inshore web was relatively complex and dynamic whereas the offshore web was simple and stable. Taxon-specific changes of diet seem to have little effect on the benthic food web structure in offshore waters of a eutrophic lake.
关键词[WOS]: WEB ; STREAM
语种: 英语
WOS记录号: WOS:000245666500007
ISSN号: 1863-9135
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8624
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, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Wuhan 430072, Peoples R China

Recommended Citation:
Liu, Xue-Qin; Wang, Hong-Zhu.Food composition and dietary overlap of macroinvertebrates in a shallow eutrophic lake in China: spatial and temporal variations,FUNDAMENTAL AND APPLIED LIMNOLOGY,2007,168(1):71-82
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