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彭水水库蓄水初期乌江下游浮游甲壳动物群落结构特征
引用本文:陈明秀,胡菊香,赵先富,马沛明,池仕运,米玮洁.彭水水库蓄水初期乌江下游浮游甲壳动物群落结构特征[J].水生态学杂志,2011,32(5):37-42.
作者姓名:陈明秀  胡菊香  赵先富  马沛明  池仕运  米玮洁
作者单位:水利部中国科学院水工程生态研究所,水利部中国科学院水工程生态研究所,水利部中国科学院水工程生态研究所,水利部中国科学院水工程生态研究所
基金项目:国家自然科学基金专项基金项目(51051003);水利部公益性行业专项专题(200901055-03)
摘    要:2008年4月、7月和10月,在乌江下游彭水水库库区、坝下江段和库尾以上江段设16个采样断面对浮游甲壳动物进行了调查;共检出浮游甲壳动物29属、49种;其中,枝角类13属、21种,桡足类16属、28种;枝角类年均密度1.89个/L,生物量37.70μg/L,桡足类年平均密度0.78个/L,生物量5.49μg/L。浮游甲壳动物的季节变化比较明显,种类数以春季最多,秋季最少;水平分布呈现库区种类数相对较多,库尾及以上江段种类数相对较少,坝下江段受水库下泄水影响显著。

关 键 词:浮游甲壳动物  彭水水库  乌江  群落结构
收稿时间:3/11/2011 4:13:44 PM
修稿时间:3/11/2011 4:13:44 PM

Characters of Community Structure of the Crustacean Zooplankton in Newly Constructed Pengshui Reservoir of Wujiang River
CHEN ming xiu,HU ju xiang,zhao xian fu,MA pei ming,CHI shi yun and mi wei jie.Characters of Community Structure of the Crustacean Zooplankton in Newly Constructed Pengshui Reservoir of Wujiang River[J].Journal of Hydroecology,2011,32(5):37-42.
Authors:CHEN ming xiu  HU ju xiang  zhao xian fu  MA pei ming  CHI shi yun and mi wei jie
Institution:The Institute of Hydroecology, Ministry of Water Conservancy and Chinese Acadeny of Sciences,The Institute of Hydroecology, Ministry of Water Conservancy and Chinese Acadeny of Sciences,The Institute of Hydroecology, Ministry of Water Conservancy and Chinese Acadeny of Sciences,The Institute of Hydroecology, Ministry of Water Conservancy and Chinese Acadeny of Sciences
Abstract:Surverys on the crustacean zooplankton communities in the Pengshui Reservoir were carried out in April, July, October, 2008. There were 49 species in 29 generas of crustacean zooplankton in the the Pengshui Reservoir, among which 21 species in 13 generas was cladecera and 28 species in 16 generas was copepoda. The average densities of cladocerans and copepads were 1.89ind./L and 0.78ind./L, respecitively, and the average biomass for them were 37.70µg/L and 5.49µg/L, respecitively. As the seasons changed, the variation of crustacean zooplankton was obvious. The quantity species was the most in the spring(34) and the least(19) in the autumn. At the horizonal distribution, the species number of crustacean zooplankton in middle-lower reaches of the Pengshui Reservoir was higher than upper reaches, and the species number of crustacean zooplankton in the mainstreams was higher than that in the tributaries.
Keywords:crustacean zooplankton    Pengshui Reservoir  species composition  density  biomass
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