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Assessment of water ecological carrying capacity using an indicator-based method applied to Tieling City, China

机译：基于指标方法的铁岭市水生态承载力评估

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摘要

Water ecological carrying capacity (WECC) refers to the ability of a water ecosystem to support and withstand economic and social development. WECC assessments can provide helpful information for resolving water issues. Since WECC involves a wide range of influence factors, indicator-based methods are useful tools for this type of evaluation. However, there are still some imperfections in the existing indicator-based methods for WECC evaluation, primarily in the aspects of index frameworks, indicator selection and evaluation criteria. Based on the pressure-support force-state index framework, this paper presents an indicator-based WECC evaluation method (PSSM). Using PSSM, overall WECC evaluation can be obtained by assessing the pressure of socio-economic development on the water ecosystem, the support from the water ecosystem for human development, and the health status of the water ecosystem. PSSM is directly focused on the pressure-support effect, and fully considers the determinant influence on WECC of the health status of the water ecosystem. The application of PSSM in Tieling City shows that further reduction in the pressure that comes from socio-economic development is still required, and the health status of the water ecosystem should be further improved.
机译：水生态承载力（WECC）是指水生态系统支持和抵御经济和社会发展的能力。 WECC评估可以为解决水问题提供有用的信息。由于WECC涉及广泛的影响因素，因此基于指标的方法是此类评估的有用工具。但是，现有的基于指标的WECC评估方法仍然存在一些缺陷，主要是在指标框架，指标选择和评估标准方面。基于压力支撑力状态指标框架，提出了一种基于指标的WECC评估方法。使用PSSM，可以通过评估社会经济发展对水生态系统的压力，水生态系统对人类发展的支持以及水生态系统的健康状况来获得整体WECC评估。 PSSM直接关注压力支持效应，并充分考虑了水生态系统健康状况对WECC的决定性影响。 PSSM在铁岭市的应用表明，仍然需要进一步减轻社会经济发展带来的压力，并且应该进一步改善水生态系统的健康状况。

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  • 来源
    《Water science & technology》 |2015年第5期|940-947|共8页
  • 作者

    Yang J. F.; Lei K.; Khu S. T.; Qiao F.; Liu Q.;

  • 作者单位

    Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China;

    Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China;

    Univ Surrey, Fac Engn & Phys Sci, Guildford GU2 5XH, Surrey, England;

    Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China;

    Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    assessment; carrying capacity; indicator; water ecosystem;

    机译：评估;承载力;指标;水生态系统;

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