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题名: Analysis of fish eggs and larvae flowing into the Three Gorges Reservoir on the Yangtze River, China
作者: Mu, Hongxia1, 2, 3; Li, Mingzheng1, 2; Liu, Huanzhang1, 2; Cao, Wenxuan1, 2
通讯作者: Cao, WX (reprint author), Chinese Acad Sci, Inst Hydrobiol, 7 Donghu South Rd, Wuhan 430072, Hubei, Peoples R China.
关键词: Fish resources ; Ichthyoplankton ; Recruitment ; Three Gorges Dam ; Yangtze River
刊名: FISHERIES SCIENCE
发表日期: 2014-05-01
DOI: 10.1007/s12562-014-0729-7
卷: 80, 期:3, 页:505-515
收录类别: SCI
文章类型: Article
部门归属: [Mu, Hongxia; Li, Mingzheng; Liu, Huanzhang; Cao, Wenxuan] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China; [Mu, Hongxia; Li, Mingzheng; Liu, Huanzhang; Cao, Wenxuan] Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China; [Mu, Hongxia] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: China Three Gorges Corporation [0799522, CT-12-08-01]; Three Gorges Project Eco-environmental Monitoring system [JJ [2013]010]
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
摘要: Studies on fish eggs and larvae are important for understanding the recruitment dynamics of fish assemblages and their relationships with environmental conditions. Located in the upper reaches of the Yangtze River, China, the Three Gorges Reservoir (TGR) is one of the largest reservoirs in the world, where the fish resource ecology has drawn great attention. With the purpose of evaluating fish recruitment in the TGR, in the present study, samples of fish eggs and larvae were collected at Luoqi County, the upper end of the TGR, from April 15th to July 29th 2011. From the samples collected, we identified 46 fish species belonging to nine families and five orders. The most abundant species were in the Cultrinae, Gobiidae, and Gobioninae. An estimated 12.4 billion fish eggs and larvae drifted into the TGR. There were approximately 2.6 billion Pseudolaubuca sinensis, 1.9 billion Hemiculter leucisculus, and 1.8 billion Gobiidae. The spawning grounds of fishes that release pelagic eggs are in the reaches 13-162 km upstream from our sampling site. More attention should be paid to protecting the habitat in large free stretches upstream of the reservoir, since these areas are important spawning grounds for many fishes. Also, an ample natural flooding regime should be retained in this region.
英文摘要: Studies on fish eggs and larvae are important for understanding the recruitment dynamics of fish assemblages and their relationships with environmental conditions. Located in the upper reaches of the Yangtze River, China, the Three Gorges Reservoir (TGR) is one of the largest reservoirs in the world, where the fish resource ecology has drawn great attention. With the purpose of evaluating fish recruitment in the TGR, in the present study, samples of fish eggs and larvae were collected at Luoqi County, the upper end of the TGR, from April 15th to July 29th 2011. From the samples collected, we identified 46 fish species belonging to nine families and five orders. The most abundant species were in the Cultrinae, Gobiidae, and Gobioninae. An estimated 12.4 billion fish eggs and larvae drifted into the TGR. There were approximately 2.6 billion Pseudolaubuca sinensis, 1.9 billion Hemiculter leucisculus, and 1.8 billion Gobiidae. The spawning grounds of fishes that release pelagic eggs are in the reaches 13-162 km upstream from our sampling site. More attention should be paid to protecting the habitat in large free stretches upstream of the reservoir, since these areas are important spawning grounds for many fishes. Also, an ample natural flooding regime should be retained in this region.
关键词[WOS]: BIODIVERSITY ; TRANSPORT ; FISHERIES ; TRIBUTARY ; DAM
语种: 英语
WOS记录号: WOS:000336367100013
ISSN号: 0919-9268
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19992
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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