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学科主题: Fisheries
题名: Two spawning stocks of icefish Neosalanx taihuensis revealed from annual reproductive cycle analyses
作者: Gong, Wang Bao1, 2; Li, Hong Tao1, 2; Xie, Shou Qi1; Liu, Jia Shou1; Murphy, Brian R.3, 4; Xie, Song Guang1
通讯作者: Xie, SG, Chinese Acad Sci, Key Lab Biodivers & Conservat Aquat Organisms, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
关键词: Annual reproductive cycle ; Neosalanx taihuensis ; Spawning stocks ; Tian-e-zhou Oxbow ; Yangtze River
刊名: FISHERIES SCIENCE
发表日期: 2009-09-01
DOI: 10.1007/s12562-009-0145-6
卷: 75, 期:5, 页:1157-1165
收录类别: SCI
文章类型: Article
部门归属: [Gong, Wang Bao; Li, Hong Tao; Xie, Shou Qi; Liu, Jia Shou; Xie, Song Guang] Chinese Acad Sci, Key Lab Biodivers & Conservat Aquat Organisms, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China; [Gong, Wang Bao; Li, Hong Tao] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; [Murphy, Brian R.] Virginia Polytech Inst & State Univ, Dept Fisheries & Wildlife Sci, Blacksburg, VA 24061 USA; [Murphy, Brian R.] Virginia Polytech Inst & State Univ, Conservat Management Inst, Blacksburg, VA 24061 USA
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Basic Research Program of China [2009CB119200]; National Natural Science Foundation of China [30771642]; One-hundred Talents Programme of the Chinese Academy of Sciences ; China Three Gorges Project Corporation [0799507]; Acorn Alcinda Foundation, Lewes, DE, USA
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
摘要: Neosalanx taihuensis were sampled from the Tian-e-zhou Oxbow from March 2006 through November 2007. Two separate spawning seasons were identified based on the annual reproductive cycles of the females, designated as the autumn-spawning season and the spring-spawning season. Lifespan of the offspring of the spring-spawning fish was 1 year, with them dying after the subsequent spring spawning. Autumn-spawned females seem to be the offspring of the spring-spawning fish, based on monthly changes in the length-frequency distributions. Spring-mature females had higher absolute fecundity, gonadosomatic index, and relative condition factor in 2007 than in 2006. Relative condition factor of the immature female offspring of spring-spawning fish was higher in 2007 than in 2006, portending a further increase in reproductive investment during the spring spawning of 2008. The increasing reproductive investment suggests that the population of N. taihuensis in the Tian-e-zhou Oxbow may be recovering from its recent decline.
英文摘要: Neosalanx taihuensis were sampled from the Tian-e-zhou Oxbow from March 2006 through November 2007. Two separate spawning seasons were identified based on the annual reproductive cycles of the females, designated as the autumn-spawning season and the spring-spawning season. Lifespan of the offspring of the spring-spawning fish was 1 year, with them dying after the subsequent spring spawning. Autumn-spawned females seem to be the offspring of the spring-spawning fish, based on monthly changes in the length-frequency distributions. Spring-mature females had higher absolute fecundity, gonadosomatic index, and relative condition factor in 2007 than in 2006. Relative condition factor of the immature female offspring of spring-spawning fish was higher in 2007 than in 2006, portending a further increase in reproductive investment during the spring spawning of 2008. The increasing reproductive investment suggests that the population of N. taihuensis in the Tian-e-zhou Oxbow may be recovering from its recent decline.
关键词[WOS]: ANCHOVY ENGRAULIS-JAPONICUS ; GASTEROSTEUS-ACULEATUS ; XUJIAHE RESERVOIR ; CENTRAL CHINA ; LIFE-HISTORY ; POPULATION ; SALANGIDAE ; FISH ; SEA ; AVAILABILITY
语种: 英语
WOS记录号: WOS:000269951500012
ISSN号: 0919-9268
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7588
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.Chinese Acad Sci, Key Lab Biodivers & Conservat Aquat Organisms, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Virginia Polytech Inst & State Univ, Dept Fisheries & Wildlife Sci, Blacksburg, VA 24061 USA
4.Virginia Polytech Inst & State Univ, Conservat Management Inst, Blacksburg, VA 24061 USA

Recommended Citation:
Gong, Wang Bao; Li, Hong Tao; Xie, Shou Qi; Liu, Jia Shou; Murphy, Brian R.; Xie, Song Guang.Two spawning stocks of icefish Neosalanx taihuensis revealed from annual reproductive cycle analyses,FISHERIES SCIENCE,2009,75(5):1157-1165
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