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学科主题: Limnology; Marine & Freshwater Biology
题名: Distribution of the meiofaunal community in a eutrophic shallow lake of China
作者: Wu, JH; Fu, CZ; Liang, YL; Chen, JK
通讯作者: Wu, JH, Fudan Univ, Sch Life Sci, Inst Biodivers Sci, Minist Educ,Key Lab Biodivers Sci & Ecol Engn, Shanghai 200433, Peoples R China
关键词: spatial distribution ; temporal distribution ; vertical distribution ; nutrient levels ; trophic diversity ; freshwater eutrophication ; Nematoda
刊名: ARCHIV FUR HYDROBIOLOGIE
发表日期: 2004-04-01
DOI: 10.1127/0003-9136/2004/0159-0555
卷: 159, 期:4, 页:555-575
收录类别: SCI
文章类型: Article
部门归属: Fudan Univ, Sch Life Sci, Inst Biodivers Sci, Minist Educ,Key Lab Biodivers Sci & Ecol Engn, Shanghai 200433, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, 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: In a Chinese eutrophic shallow lake, the spatial, temporal and vertical distributions of meiofauna in different lake zones along a eutrophic gradient were analyzed. The spatial distribution of meiofauna among sampling stations changed with nutrient levels. Nematoda were most abundant at the majority of sampling stations comprising 70.6 - 93.2 % meiofaunal abundance except for a hypereutrophic station. The seasonal patterns in abundance of nematodes, oligochaetes, rotifers, chironomids and different nematode feeding groups differed among stations, which revealed that the temporal variations of these meiofaunal groups and the nematode feeding groups may vary with different nutrient loadings. The vertical distributions of meiofaunal groups, nematode species, and nematode trophic groups in the upper and lower sediment layers were similar, suggesting a consistent vertical distribution pattern across different trophic conditions. Nematode species richness, Shannon-Wiener species diversity index, trophic diversity and Maturity Index were significantly correlated with nutrient levels (total phosphorus and nitrogen in lake water and total phosphorus in sediment). Our results suggest the importance of nematode community analyses in the assessment of freshwater eutrophication.
英文摘要: In a Chinese eutrophic shallow lake, the spatial, temporal and vertical distributions of meiofauna in different lake zones along a eutrophic gradient were analyzed. The spatial distribution of meiofauna among sampling stations changed with nutrient levels. Nematoda were most abundant at the majority of sampling stations comprising 70.6 - 93.2 % meiofaunal abundance except for a hypereutrophic station. The seasonal patterns in abundance of nematodes, oligochaetes, rotifers, chironomids and different nematode feeding groups differed among stations, which revealed that the temporal variations of these meiofaunal groups and the nematode feeding groups may vary with different nutrient loadings. The vertical distributions of meiofaunal groups, nematode species, and nematode trophic groups in the upper and lower sediment layers were similar, suggesting a consistent vertical distribution pattern across different trophic conditions. Nematode species richness, Shannon-Wiener species diversity index, trophic diversity and Maturity Index were significantly correlated with nutrient levels (total phosphorus and nitrogen in lake water and total phosphorus in sediment). Our results suggest the importance of nematode community analyses in the assessment of freshwater eutrophication.
关键词[WOS]: FREE-LIVING NEMATODES ; BENTHIC NEMATODES ; MATURITY INDEX ; VERTICAL-DISTRIBUTION ; INHABITING NEMATODES ; OLIGOTROPHIC LAKE ; DIFFERENT TROPHY ; SOFT-BOTTOM ; FOOD-WEB ; DIVERSITY
语种: 英语
WOS记录号: WOS:000221128300007
ISSN号: 0003-9136
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9500
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.Fudan Univ, Sch Life Sci, Inst Biodivers Sci, Minist Educ,Key Lab Biodivers Sci & Ecol Engn, Shanghai 200433, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China

Recommended Citation:
Jihua Wu; Cuizhang Fu; Yanling Liang and Jiakuan Chen.Distribution of the meiofaunal community in a eutrophic shallow lake of China,ARCHIV FUR HYDROBIOLOGIE,2004,159(4):555-575
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