Seasonal Variation in Drifting Eggs and Larvae in the Upper Yangtze, China

CORC > 水生生物研究所 > 中科院水生所知识产出（2009年前） > 水生生物多样性与资源保护研究中心 > 期刊论文

	Seasonal Variation in Drifting Eggs and Larvae in the Upper Yangtze, China
	Jiang, Wei 1,2; Liu, Huan-Zhang 1; Duan, Zhong-Hua 1; Cao, Wen-Xuan 1
刊名	ZOOLOGICAL SCIENCE
	2010-05-01
卷号	27 期号:5 页码:402-409
关键词	ichthyoplankton downstream transport seasonal variation the four Major Chinese carps Yangtze River
ISSN号	0289-0003
通讯作者	Cao, WX, Chinese Acad Sci, Key Lab Biodivers & Conservat Aquat Organisms, Inst Hydrobiol, 7th So Rd E Lake, Wuhan 430072, Hubei, Peoples R China
中文摘要	From 5 March to 25 July 2008, ichthyoplankton drifting into the Three Gorges Reservoir from the upper reaches of the Yangtze River were sampled daily to investigate the species composition, abundance, and seasonal variation in early-stage fishes in this area. Twenty-eight species belonging to five orders and 17 families or subfamilies were identified by analyzing fish eggs and larvae, and a total of 14.16 billion individuals were estimated drifting through the sampling section during the investigation. Among the ichthyoplankton sampled, species in Cultrinae, Cobitidae, Gobioninae and Gobiidae, along with the common carp (Cyprinus carpio Linnaeus), comprised 89.6% of the total amount. Six peaks of drift density were identified during the sampling period, and a significant correlation was found between drift density with water discharge. The dominant species were different in each drift peak, indicating different spawning times for the major species. The total amount of the four major Chinese carps that drifted through the sampling section was estimated as 0.88 billion, indicating an increase in the population sizes of these species in the upper reaches of the Yangtze River after construction of the Three Gorges Dam. Actually, these reaches have become the largest spawning area for the four major Chinese carps in the Yangtze River. The large total amount of eggs and larvae drifting through this section demonstrated that the upper reaches of the Yangtze River provided important spawning sites for many fish species, and that conservation of this area should be of great concern.
英文摘要	From 5 March to 25 July 2008, ichthyoplankton drifting into the Three Gorges Reservoir from the upper reaches of the Yangtze River were sampled daily to investigate the species composition, abundance, and seasonal variation in early-stage fishes in this area. Twenty-eight species belonging to five orders and 17 families or subfamilies were identified by analyzing fish eggs and larvae, and a total of 14.16 billion individuals were estimated drifting through the sampling section during the investigation. Among the ichthyoplankton sampled, species in Cultrinae, Cobitidae, Gobioninae and Gobiidae, along with the common carp (Cyprinus carpio Linnaeus), comprised 89.6% of the total amount. Six peaks of drift density were identified during the sampling period, and a significant correlation was found between drift density with water discharge. The dominant species were different in each drift peak, indicating different spawning times for the major species. The total amount of the four major Chinese carps that drifted through the sampling section was estimated as 0.88 billion, indicating an increase in the population sizes of these species in the upper reaches of the Yangtze River after construction of the Three Gorges Dam. Actually, these reaches have become the largest spawning area for the four major Chinese carps in the Yangtze River. The large total amount of eggs and larvae drifting through this section demonstrated that the upper reaches of the Yangtze River provided important spawning sites for many fish species, and that conservation of this area should be of great concern.
学科主题	Zoology
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
类目[WOS]	Zoology
研究领域[WOS]	Zoology
关键词[WOS]	DANUBE SIDEARM-SYSTEM ; THREE-GORGES DAM ; THE-YEAR FISHES ; RIVER SYSTEM ; PATTERNS ; HABITATS
收录类别	SCI
资助信息	Chinese Academy of Sciences [KZCX1-YW-08-01]; NSFC [40432003]; National Key Technology R & D Program of China [2008BAC39B03]
语种	英语
WOS记录号	WOS:000277080300004
公开日期	2010-12-23
内容类型	期刊论文
源URL	[http://ir.ihb.ac.cn/handle/342005/13483]
专题	水生生物研究所_水生生物多样性与资源保护研究中心_期刊论文
作者单位	1.Chinese Acad Sci, Key Lab Biodivers & Conservat Aquat Organisms, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China 2.Chinese Acad Sci, Grad Student Coll, Beijing 100039, Peoples R China
推荐引用方式 GB/T 7714	Jiang, Wei,Liu, Huan-Zhang,Duan, Zhong-Hua,et al. Seasonal Variation in Drifting Eggs and Larvae in the Upper Yangtze, China[J]. ZOOLOGICAL SCIENCE,2010,27(5):402-409.
APA	Jiang, Wei,Liu, Huan-Zhang,Duan, Zhong-Hua,&Cao, Wen-Xuan.(2010).Seasonal Variation in Drifting Eggs and Larvae in the Upper Yangtze, China.ZOOLOGICAL SCIENCE,27(5),402-409.
MLA	Jiang, Wei,et al."Seasonal Variation in Drifting Eggs and Larvae in the Upper Yangtze, China".ZOOLOGICAL SCIENCE 27.5(2010):402-409.