三峡水库初次蓄水后干流库区枝角类的空间分布与季节变化

doi:10.3724/SP.J.1003.2009.09008

生物多样性 ›› 2009, Vol. 17 ›› Issue (5): 512-517. DOI: 10.3724/SP.J.1003.2009.09008 cstr: 32101.14.SP.J.1003.2009.09008

三峡水库初次蓄水后干流库区枝角类的空间分布与季节变化

吴惠仙¹, 姚建良³, 刘艳¹, 薛俊增¹^,²^,^*(), 蔡庆华², 刘建康²

1 上海海洋大学省部共建水产种质资源发掘与利用教育部重点实验室, 上海 200090
2 淡水生态与生物技术国家重点实验室, 武汉 430072
3 新疆农业大学农学院, 乌鲁木齐 830052

收稿日期:2009-03-30 接受日期:2009-07-23 出版日期:2009-09-20 发布日期:2009-09-20
通讯作者: 薛俊增
作者简介:*E-mail: jzxue@shfu.edu.cn
基金资助:
国家自然科学基金(30570295);淡水生态与生物技术国家重点实验室开放课题(2004B03);中科院知识创新工程重要方向项目(KSCX2-SW-111);上海市重点学科建设项目(S30701)

Seasonal variation and longitudinal distribution characters of cladocerans in the Three Gorges Reservoir

Huixian Wu¹, Jianliang Yao³, Yan Liu¹, Junzeng Xue¹^,²^,^*(), Qinghua Cai², Jiankang Liu²

1 Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai 200090
2 State Key Laboratory of Freshwater Ecology and Biotechnology, Wuhan 430072
3 Agronomy College, Xinjiang Agriculture University, Urumqi 830052

Received:2009-03-30 Accepted:2009-07-23 Online:2009-09-20 Published:2009-09-20
Contact: Junzeng Xue

摘要/Abstract

摘要：

为了阐明三峡水库初次蓄水后干流库区枝角类的时空分布规律, 2004年4月至2005年1月, 在600余公里干流库区设置10个样点, 定性和定量采集枝角类标本。本次调查共采到9种枝角类, 其中春季8种, 夏季5种, 秋季2种, 冬季3种。枝角类种类组成的空间分布差异明显, 河流状态的江段有4种, 水库状态的江段有7种, 水库状态的江段距大坝越近, 枝角类种类越丰富。枝角类的密度和生物量的空间分布和季节变化规律一致, 季节间差异极显著(P<0.01), 春季最高, 夏季次之, 秋季和冬季较低; 空间分布上表现为在干流库区的纵向分布上差异极显著(P<0.01), 河流状态样点远低于水库状态的样点, 水库上游江段又低于下游坝前段。结果显示三峡水库的枝角类具有明显的纵向分布和季节变化特征。

关键词: 浮游动物, 群落生态, 长江三峡, 水库

Abstract

To reveal patterns of longitudinal distribution, seasonal variation, and ecological succession in cladocerans communities in the Three Gorges Reservoir, ten sites were used to sample cladoceran communities across a longitudinal gradient from April, 2004 to January, 2005. Nine cladoceran species were collected throughout the year. Species richness was highest in spring (8 species), lower in summer (5 species) and winter (3 species), and lowest in autumn (2 species). Cladoceran species composition varied across sampling sites. Four species were collected from river sampling sites and seven species from reservoir sampling sites. Cladoceran species richness decreased gradually with increasing distance to the dam within the reservoir area. Cladoceran density and biomass varied among seasons (P <0.01) and sampling sites ( P <0.01), and both were highest in spring. Density and biomass of cladocerans in river areas were lower than in the reservoir area. Density and biomass of cladoceran in up area of reservoir was lower than that in down area of reservoir. The cladoceran communities of the Three Gorges Reservoir showed distinct patterns in both longitudinal distribution and seasonal variation.

Key words: cladoceran, zooplankton, community ecology, Yangtze River

吴惠仙, 姚建良, 刘艳, 薛俊增, 蔡庆华, 刘建康 (2009) 三峡水库初次蓄水后干流库区枝角类的空间分布与季节变化. 生物多样性, 17, 512-517. DOI: 10.3724/SP.J.1003.2009.09008.

Huixian Wu, Jianliang Yao, Yan Liu, Junzeng Xue, Qinghua Cai, Jiankang Liu (2009) Seasonal variation and longitudinal distribution characters of cladocerans in the Three Gorges Reservoir. Biodiversity Science, 17, 512-517. DOI: 10.3724/SP.J.1003.2009.09008.

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链接本文: https://www.biodiversity-science.net/CN/10.3724/SP.J.1003.2009.09008

https://www.biodiversity-science.net/CN/Y2009/V17/I5/512

图/表 4

参考文献 23

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种类 Species	采样点 Sampling sites
种类 Species	江津 Jiangjin	重庆 Chongqing	木洞 Mudong	长寿 Changshou	涪陵 Fuling	万州 Wanzhou	巫山 Wushan	巴东 Badong	归州 Guizhou	茅坪 Maoping
短尾秀体溞Diaphanosoma brachyurum									夏季Summer	夏季Summer
僧帽溞 Daphnia cucullata	春季Spring	春季Spring		春季Spring	春季Spring			春季Spring		春季, 夏季 Spring, Summer,
透明溞 D. hyaline										春季, 夏季, 冬季Spring, Summer, Winter
老年低额溞 Simocephalus vetulus			春季Spring
多刺裸腹溞 Moina macrocopa			春季Spring
简弧象鼻溞 Bosmina coregoni	春季, 秋季Spring, Autumn	春季Spring	春季Spring	春季Spring	春季, 夏季Spring, Summer	春季, 秋季 Spring, Autumn	春季, 秋季 Spring, Autumn	春季, 秋季Spring, Autumn	春季, 夏季, 秋季Spring, Summer, Autumn	春春季, 夏季, 冬季Spring, Summer, Winter
脆弱象鼻溞 B. fatalis						春季Spring				春季Spring
颈沟基合溞 Bosminopsis deiteris					春季Spring	春季Spring	春季Spring	春季Spring	春季Spring	春季Spring
点滴尖额溞 Alona guttata					春季Spring		春季, 夏季, 秋季Spring, Summer, Autumn	春季Spring	冬季Winter	春季Spring

种类 Species	采样点 Sampling sites
种类 Species	江津 Jiangjin	重庆 Chongqing	木洞 Mudong	长寿 Changshou	涪陵 Fuling	万州 Wanzhou	巫山 Wushan	巴东 Badong	归州 Guizhou	茅坪 Maoping
短尾秀体溞Diaphanosoma brachyurum									夏季Summer	夏季Summer
僧帽溞 Daphnia cucullata	春季Spring	春季Spring		春季Spring	春季Spring			春季Spring		春季, 夏季 Spring, Summer,
透明溞 D. hyaline										春季, 夏季, 冬季Spring, Summer, Winter
老年低额溞 Simocephalus vetulus			春季Spring
多刺裸腹溞 Moina macrocopa			春季Spring
简弧象鼻溞 Bosmina coregoni	春季, 秋季Spring, Autumn	春季Spring	春季Spring	春季Spring	春季, 夏季Spring, Summer	春季, 秋季 Spring, Autumn	春季, 秋季 Spring, Autumn	春季, 秋季Spring, Autumn	春季, 夏季, 秋季Spring, Summer, Autumn	春春季, 夏季, 冬季Spring, Summer, Winter
脆弱象鼻溞 B. fatalis						春季Spring				春季Spring
颈沟基合溞 Bosminopsis deiteris					春季Spring	春季Spring	春季Spring	春季Spring	春季Spring	春季Spring
点滴尖额溞 Alona guttata					春季Spring		春季, 夏季, 秋季Spring, Summer, Autumn	春季Spring	冬季Winter	春季Spring

三峡水库初次蓄水后干流库区枝角类的空间分布与季节变化

Seasonal variation and longitudinal distribution characters of cladocerans in the Three Gorges Reservoir

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