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The natural flow regime: A master variable for maintaining river ecosystem health
Ecohydrology ( IF 2.6 ) Pub Date : 2020-08-28 , DOI: 10.1002/eco.2247
Mohd Sharjeel Sofi 1 , Sami Ullah Bhat 1 , Irfan Rashid 2 , Jagdish Chandra Kuniyal 3
Affiliation  

River health is sustained by time‐based variation in their flows, and the maintenance of natural flow regime is essential for keeping the rivers healthy. However, the dynamism in natural flow regime now stands altered by changing climate, and the omnipresent regulation of river flows throughout the world has severely impacted the river health. It is well documented that harnessing and altering the flow of the rivers and streams comes at a huge cost. Numerous rivers in the world have stopped supporting socially and economically important native species or sustain vibrant ecosystems that offer valuable goods and services. The alteration of the natural flow regime has led to the collapse of many healthy and resilient river ecosystems throughout the world. Therefore, to ensure appropriate naturalized flow regimes for riverine organisms and a sustainable nexus between energy demand, water requirements and climate, more understanding is required to study the consequences of alteration in natural flow regime triggered by climate change and anthropogenic interventions. Moreover, conservation and management practices must be firmly based on scientific principles to restore the integrity of river ecosystems. The current approaches often fail to take into consideration a basic fundamental principle that the integrity of the river ecosystem is largely determined by the natural dynamic character of their flow regimes. In this synthesis, we try to explain how the maintenance of the natural flow regime is an essential requirement for maintaining river ecosystem health.

中文翻译:

自然流量状态:维持河流生态系统健康的主要变量

河流的健康因河流流量的时间变化而得以维持,维持自然流量状态对于保持河流健康至关重要。然而,自然流动机制的活力现在因气候变化而改变,全世界对河流流量的无所不在的调节严重影响了河流的健康。有据可查的是,治理和改变河流的流量要付出巨大的代价。世界上许多河流已停止支持对社会和经济重要的本地物种,或维持提供有价值的商品和服务的充满活力的生态系统。自然流态的改变导致全世界许多健康而有弹性的河流生态系统崩溃。因此,为了确保为河流生物提供适当的自然流态,并确保能源需求,水需求和气候之间的可持续联系,需要更多的了解来研究气候变化和人为干预引发的自然流态变化的后果。此外,养护和管理实践必须牢固地基于科学原则,以恢复河流生态系统的完整性。当前的方法常常没有考虑到基本的基本原理,即河流生态系统的完整性在很大程度上取决于其流域的自然动态特性。在此综合报告中,我们试图解释如何保持自然流量状态是维持河流生态系统健康的基本要求。水资源需求和气候,需要更多的了解来研究气候变化和人为干预引发的自然流态变化的后果。此外,养护和管理实践必须牢固地基于科学原则,以恢复河流生态系统的完整性。当前的方法常常没有考虑到基本的基本原理,即河流生态系统的完整性在很大程度上取决于其流域的自然动态特性。在此综合报告中,我们试图解释如何保持自然流量状态是维持河流生态系统健康的基本要求。水资源需求和气候,需要更多的了解来研究气候变化和人为干预引发的自然流态变化的后果。此外,养护和管理实践必须牢固地基于科学原则,以恢复河流生态系统的完整性。当前的方法常常没有考虑到基本的基本原理,即河流生态系统的完整性在很大程度上取决于其流域的自然动态特性。在此综合报告中,我们试图解释如何保持自然流量状态是维持河流生态系统健康的基本要求。此外,养护和管理实践必须牢固地基于科学原则,以恢复河流生态系统的完整性。当前的方法常常没有考虑到基本的基本原理,即河流生态系统的完整性在很大程度上取决于其流域的自然动态特性。在此综合报告中,我们试图解释如何保持自然流量状态是维持河流生态系统健康的基本要求。此外,养护和管理实践必须牢固地基于科学原则,以恢复河流生态系统的完整性。当前的方法常常没有考虑到基本的基本原理,即河流生态系统的完整性在很大程度上取决于其流域的自然动态特性。在此综合报告中,我们试图解释如何保持自然流量状态是维持河流生态系统健康的基本要求。
更新日期:2020-08-28
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