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Assessing the Establishment and Implementation of Environmental Flows in Spain
Environmental Management ( IF 3.5 ) Pub Date : 2019-11-08 , DOI: 10.1007/s00267-019-01222-2
Gabriel Mezger 1, 2 , Lucia De Stefano 1, 2 , Marta González Del Tánago 3
Affiliation  

The alteration of natural flows due to water withdrawals and the presence of hydraulic infrastructure poses significant threats to the integrity of riverine ecosystems. The establishment of environmental flows (EF) has been conceived as a water management tool to mitigate the impact of in-stream flows alteration. To date, a large body of literature has focused on methods to define EF, but less attention has been paid to documenting and assessing their actual implementation on the ground. This article provides a framework to describe and assess the process of design, application, and monitoring of EF at a river basin level. The framework is applied to Spain, where significant efforts have been made during the past decade to define and implement EF across the country. The goal of the paper is to identify strengths and opportunities for improving the implementation of EF at country level. The Spanish legislation establishes that EF should contribute to the achievement of the good ecological status of surface water bodies as required by the European Union Water Framework Directive. Several pitfalls in the design, application, and monitoring of this important river management measure constrain the ability of the existing EF to deliver that fundamental outcome.

中文翻译:

评估西班牙环境流的建立和实施

由于取水和水利基础设施的存在,自然流量的改变对河流生态系统的完整性构成了重大威胁。环境流量 (EF) 的建立已被视为一种水管理工具,以减轻河内流量改变的影响。迄今为止,大量文献都集中在定义 EF 的方法上,但很少关注记录和评估它们在实地的实际实施情况。本文提供了一个框架来描述和评估流域级别的 EF 设计、应用和监测过程。该框架适用于西班牙,在过去十年中,西班牙为在全国范围内定义和实施 EF 做出了重大努力。该文件的目标是确定在国家层面改进 EF 实施的优势和机会。西班牙立法规定,EF 应按照欧盟水框架指令的要求,为实现地表水体的良好生态状况做出贡献。这一重要河流管理措施的设计、应用和监测中存在一些缺陷,限制了现有 EF 实现这一基本成果的能力。
更新日期:2019-11-08
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