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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Environmental flow requirements of river Sone: impacts of low discharge on fisheries
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Environmental flow requirements of river Sone: impacts of low discharge on fisheries

机译：索内河的环境流量要求：低排放量对渔业的影响

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摘要

Environmental flow of the river Sone at Indrapuri barrage was estimated using 36 years discharge data and the Global Environmental Flow Calculator Software. To maintain the river in moderate condition and to keep basic ecosystem functions intact, at least 18.9% of mean annual runoff (MAR) has been estimated, while the actual discharge of the river was merely 5.16% of MAR. The river presently holds 89 fish species, but 20 species reported in an earlier study were not observed, while 14 new fish species were encountered. Sediments, water and macro-benthic biota of the river were also studied to know the effect of low discharge.
机译：使用36年的排放数据和全球环境流量计算器软件，估算了Indrapuri堰坝Sone河的环境流量。为了使河流保持适度状况并保持基本的生态系统功能，估计至少有18.9％的年平均径流量，而河流的实际流量仅为MAR的5.16％。该河目前拥有89种鱼类，但未观察到较早研究报告的20种，而遇到了14种新鱼类。还研究了河流的沉积物，水和大型底栖生物区系，以了解低流量的影响。

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