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学科主题: Zoology
题名: Age and growth of Schizothorax waltoni in the Yarlung Tsangpo River in Tibet, China
作者: Qiu, Hao1, 2; Chen, Yi-Feng1
通讯作者: Chen, YF, Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan 430072, Peoples R China
关键词: Schizothorax walton ; Cyprinidae ; Tibet ; Age ; Growth
刊名: ICHTHYOLOGICAL RESEARCH
发表日期: 2009-07-01
DOI: 10.1007/s10228-009-0096-z
卷: 56, 期:3, 页:260-265
收录类别: SCI
文章类型: Article
部门归属: [Qiu, Hao; Chen, Yi-Feng] Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan 430072, Peoples R China; [Qiu, Hao] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Knowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-SW-125, KSCX1-SW-13-04]; National Natural Science Foundation of China [30471345]
类目[WOS]: Zoology
研究领域[WOS]: Zoology
摘要: Age and growth were studied for Schizothorax waltoni in the middle reaches of the Yarlung Tsangpo River in Tibet, southwest of China, from April 2004 to September 2006. A total of 201 specimens were collected ranging from 110 to 580 mm in standard length (SL). In contrast to other otoliths, sectioned lapillus showed a clear pattern of alternating opaque and hyaline zones. Marginal increment analyses showed that the increments, each composed of one opaque and one hyaline zone, are deposited annually. Opaque edges were prevalent from May to August. The von Bertalanffy growth parameters based on sectioned otolith data were L (t) = 689.8{1 - exp[0.051 (t + 3.275)]} for males, and L (t) = 691.1{1 - exp[0.056 (t + 2.466)]} for females. The slow growth and long life indicate that S. waltoni is vulnerable to overfishing and that harvesting strategies for the species should be conservative.
英文摘要: Age and growth were studied for Schizothorax waltoni in the middle reaches of the Yarlung Tsangpo River in Tibet, southwest of China, from April 2004 to September 2006. A total of 201 specimens were collected ranging from 110 to 580 mm in standard length (SL). In contrast to other otoliths, sectioned lapillus showed a clear pattern of alternating opaque and hyaline zones. Marginal increment analyses showed that the increments, each composed of one opaque and one hyaline zone, are deposited annually. Opaque edges were prevalent from May to August. The von Bertalanffy growth parameters based on sectioned otolith data were L (t) = 689.8{1 - exp[0.051 (t + 3.275)]} for males, and L (t) = 691.1{1 - exp[0.056 (t + 2.466)]} for females. The slow growth and long life indicate that S. waltoni is vulnerable to overfishing and that harvesting strategies for the species should be conservative.
语种: 英语
WOS记录号: WOS:000268428500006
ISSN号: 1341-8998
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7634
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, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Qiu, Hao; Chen, Yi-Feng.Age and growth of Schizothorax waltoni in the Yarlung Tsangpo River in Tibet, China,ICHTHYOLOGICAL RESEARCH,2009,56(3):260-265
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