印度北阿坎德邦德拉敦区,杜恩谷的鱼类区系

D. Rana, Subodh Gupta, R. Rana
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引用次数: 2

摘要

本文于2010年3月至2012年2月对德拉敦地区Doon河谷的鱼类区系进行了为期2年的研究。在东部的Baldi河、Song河、Suswa河和西部的Tons河、Asan河等5条河流的不同采样区共采集到5目13科30属56种。其中新记录6种,分别为Puntius terio (Hamilton)、Lepidocephalichthys annandalei Chaudhuri、Colisa lalia (Hamilton)、Colisa labiosus (Day)、Channa marulius (Hamilton)和Channa harcourtbutleri (Annandale)。以鲤科为主,占总数的53%(30种),其次是鳉科和Channidae,各占总数的7%(4种)。鲤(宋河,S7)和Clarius gariepinus(吨河,S15)是偶然捕获的外来物种。根据fishbase.org(2007)的统计,本地种52种(92.85%),特有种2种(3.57%),引种2种(3.57%)。另一方面,世界自然保护联盟(2015)的状态概述了41个最不受关注的物种,3个易危物种,1个濒危物种,3个近危物种,8个未评估物种。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fish fauna of Doon Valley, District Dehradun, Uttarakhand, India
The fish fauna of Doon valley, part of District Dehradun was studied for a period of 2 years from March, 2010 – February, 2012. 56 species belonging to 5 Orders, 13 Families and 30 Genera were collected from various sampling stretches set on 5 rivers viz., Baldi, Song, Suswa in the East and Tons and Asan in the West. Of them, 6 are the new records viz., Puntius terio (Hamilton), Lepidocephalichthys annandalei Chaudhuri, Colisa lalia (Hamilton), Colisa labiosus (Day), Channa marulius (Hamilton) and Channa harcourtbutleri (Annandale). Family Cyprinidae was the most dominating family contributing 53% (30 species) to the fish fauna of Doon Valley, followed by Balitoridae and Channidae, both contributing 7% each to the percentage, represented by 4 species each. Cyprinus carpio (river Song, S7) and Clarius gariepinnus (river Tons, S15) are accidental catches of exotic species. As per the fishbase.org status (2007), 52 species (92.85%) are adjudged native, 2 species (3.57%) endemic and 2 species (3.57%) introduced. On the other hand, the IUCN (2015 4) status outlines that 41 species are Least Concern, 3 Vulnerable, 1 Endangered, 3 Near Threatened, and 8 Not Assessed.
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