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郑兰平, 陈小勇, 杨君兴. 2009: 云南省西双版纳州南拉河鱼类组成及其现状. 动物学研究, 30(3): 334-340. DOI: 10.3724/SP.J.1141.2009.03334
引用本文: 郑兰平, 陈小勇, 杨君兴. 2009: 云南省西双版纳州南拉河鱼类组成及其现状. 动物学研究, 30(3): 334-340. DOI: 10.3724/SP.J.1141.2009.03334
ZHENG Lan-ping, CHEN Xiao-yong, YANG Jun-xing. 2009: Composition and Status of Fishes of Nanla River in Xishuangbanna, Yunnan, China. Zoological Research, 30(3): 334-340. DOI: 10.3724/SP.J.1141.2009.03334
Citation: ZHENG Lan-ping, CHEN Xiao-yong, YANG Jun-xing. 2009: Composition and Status of Fishes of Nanla River in Xishuangbanna, Yunnan, China. Zoological Research, 30(3): 334-340. DOI: 10.3724/SP.J.1141.2009.03334

云南省西双版纳州南拉河鱼类组成及其现状

Composition and Status of Fishes of Nanla River in Xishuangbanna, Yunnan, China

  • 摘要: 分别于2008年1月和5—6月对位于中国西南边陲的中缅界河——南拉河进行了鱼类资源调查。从野外调查结果及文献资料得知,南拉河共有鱼类42种,隶属4目14科34属。鲤形目的鱼类最多,共有27种,占总种数的64.3%;鲇形目和鲈形目均为6种,占总种数的14.3%;合鳃鱼目2种,占总种数的4.8%。其中,丝尾鳠(Hemibagrus wyckioides)被列入《中国物种红色名录》。疑似分布种类——长丝鱼芒(Pangasius sanitwangsei)被列入《中国濒危动物红皮书》和《中国物种红色名录》。南拉河鱼类区系是以喜温的“老第三纪类群”中的热带河平原鱼类为主要成分的,为典型的东南亚热带鱼类区系类型;以底栖鱼类和杂食性鱼类居多。导致南拉河鱼类现状的原因主要为水质污染、过度捕捞、外来种的影响。

     

    Abstract: Field surveys of Nanla River, located on the southwest border between China and Myanmar, were conducted in January and from May to June of 2008. Based on field surveys and historical records, there are a total of 42 species belonging to 4 orders, 14 families, and 34 genera in Nanla River. The species of Cypriniformes are dominant, including 27 species, accounting for 64.3% of the total number of species. Siluriformes and Perciformes both have 6 species, accounting for 14.3% of the total. The number of species of Synbranchiformes is 2, 4.8% of the total. Hemibagrus wyckioides is listed in the China Species Red List. Pangasius sanitwangsei, with a suspected distribution through the Nanla River, is listed in the China Red Data Book of Endangered Animals and China Species Red List. Fish fauna taxa of the Nanla River is dominated by ‘old Tertiary groups’, which mainly occur in tropical rivers and flood plains, and is the typical group of fishes in tropical Southeast Asia. Based on the ecology type, bottom-dwelling and omnivorous fishes are dominant. Finally, the causes for the listed statuses are briefly summarized as water pollution, overfishing and impacts of introduced species.

     

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