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题名: Study on morphological variations of pareuchiloglanis kamengensis and species vailimy of P-Macmropterus in southwestern of China
作者: Yao Jing-Long ; Yan Yun-Zhi ; Gao Yong ; Li Kun ; Chen Yi-Feng (Chenyf@ihb.ac.cn)
通讯作者: Chen Yi-Feng ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Zootaxonomica Sinica
发表日期: 2007
卷: 32, 期:4, 页:814-821
收录类别: 其他
英文摘要: In the present paper, based on the method of morphometrics and principle component analysis, the authors examine 111 specimens of Pareuchilogtanis kamengensis, which collected from the Yarlung Zangbo River, Irrawaddy River, Nujiang River and Lancang River, and also investigate the variations of external morphological characters among different geographical populations of P. kamengensis and the species validity of P. maropterus.In the principal component analysis, the results show that the specimens can not be differentiated from each other as subspecies, and the specimens from the sampling localities should be the geographical populations of P. kamengensis. In the 4 populations, there are distinct variations in the external morphological characteristics including the interorbital width, dorsal fin base length, position of anus and origin position of adipose fin. And these morphological characteristics are closely related to the distributional altitude of the geographical population, such as the characters of interorbital width, dorsal fin base length and position of anus are in direct proportion to altitude height, while the origin position of adipose fin is inversely proportional. The altitude of localities of these 4 rivers is getting lower from the west to east, so these variations are found to be clinal apparently. Our result indicates that P. macropterus is considered as the synonyms of P. kamengensis, because the specimens from the sampling localities can't be differed into two or more species.
ISSN号: 1000-0739
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18201
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
Yao Jing-Long; Yan Yun-Zhi; Gao Yong; Li Kun; Chen Yi-Feng (Chenyf@ihb.ac.cn).Study on morphological variations of pareuchiloglanis kamengensis and species vailimy of P-Macmropterus in southwestern of China,Acta Zootaxonomica Sinica,2007,32(4):814-821
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文件名: Study on morphological variations of pareuchiloglanis kamengensis and species vailimy of P-Macmropterus in southwestern of China.pdf
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