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首页> 外文期刊>Journal of Ecology and The Natural Environment >Benthic macroinvertebrate community of Yousmarg streams (Doodganga stream and Khanshah Manshah canal) in Kashmir Himalaya, India
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Benthic macroinvertebrate community of Yousmarg streams (Doodganga stream and Khanshah Manshah canal) in Kashmir Himalaya, India

机译：印度克什米尔喜马拉雅山优斯玛河（杜德岗加河和汉莎·曼莎运河）的底栖大型无脊椎动物群落

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摘要

This study attempts to provide an overview of the benthic macroinvertebrate assemblages of Yousmarg streams. For studying the distribution of macroinvertebrate assemblages in the two streams, that is, Doodganga and Khanshah manshah canal, a total of 4 study sites were selected. During the period of investigation, 24 species of macrozoobenthos in Yousmarg streams were recorded. Arthropoda was found to be the most dominant group, comprising of 23 species followed by Annelida with 1 species. The phylum Arthropoda was represented by class Insecta (5 orders) and Crustacea (1 orders). The diversity of benthic invertebrates was high in Doodhganga stream (21 taxa) as compared to Khanshah-manshah canal (18 taxa). An inter-site comparison revealed maximum mean population density for Doodhganga stream as compared to Khanshah-manshah canal. Besides, it was observed that boulders and cobbles provided a stable habitat for macroinvertebrates dwelling. Also, greater diversity in the summers as against winters was recorded in both the streams. On the basis of the biotic indices, the Doodhganga stream is being adjudged pristine with no organic pollution, however slight organic pollution in Khanshah–manshah canal was recorded.
机译：这项研究试图概述尤斯玛格河底栖大型无脊椎动物组合。为了研究Doodganga和Khanshah Manshah运河这两个溪流中大型无脊椎动物组合的分布，总共选择了四个研究地点。在调查期间，记录了Yousmarg流中的24种大型动物。节肢动物是最主要的种群，由23种组成，其次是Annelida，有1种。节肢动物门以昆虫纲（5纲）和甲壳纲（1纲）为代表。与Khanshah-manshah运河（18个分类单元）相比，Doodhganga河（21个分类单元）底栖无脊椎动物的多样性较高。站点间比较显示，与Khanhah-manshah运河相比，Doodhganga河的最大平均人口密度。此外，据观察，巨石和鹅卵石为大型无脊椎动物的栖息地提供了稳定的栖息地。此外，在两条河流中，夏季都比冬季多，记录了多样性。根据生物指标，杜德岗加河被判定为纯净水，没有有机污染，但是在Khanshah-Manshah运河中记录到轻微的有机污染。

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