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首页> 外文期刊>Water Science and Technology >Application of the environmental Gini coefficient in allocating water governance responsibilities: a case study in Taihu Lake Basin, China
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Application of the environmental Gini coefficient in allocating water governance responsibilities: a case study in Taihu Lake Basin, China

机译：环境基尼系数在水治理责任分配中的应用-以太湖流域为例

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摘要

The equitable allocation of water governance responsibilities is very important yet difficult to achieve, particularly for a basin which involves many stakeholders and policymakers. In this study, the environmental Gini coefficient model was applied to evaluate the inequality of water governance responsibility allocation, and an environmental Gini coefficient optimisation model was built to achieve an optimal adjustment. To illustrate the application of the environmental Gini coefficient, the heavily polluted transboundary Taihu Lake Basin in China, was chosen as a case study. The results show that the original environmental Gini coefficient of the chemical oxygen demand (COD) was greater than 0.2, indicating that the allocation of water governance responsibilities in Taihu Lake Basin was unequal. Of seven decision-making units, three were found to be inequality factors and were adjusted to reduce the water pollutant emissions and to increase the water governance inputs. After the adjustment, the environmental Gini coefficient of the COD was less than 0.2 and the reduction rate was 27.63%. The adjustment process provides clear guidance for policymakers to develop appropriate policies and improve the equality of water governance responsibility allocation.
机译：公平分配水治理责任非常重要，却很难实现，特别是对于一个涉及许多利益相关者和决策者的流域。本研究采用环境基尼系数模型评价水治理责任分配的不平等性，建立环境基尼系数优化模型以实现最优调整。为了说明环境基尼系数的应用，以中国污染严重的跨界太湖流域为例。结果表明，化学需氧量（COD）的原始环境基尼系数大于0.2，表明太湖流域水治理责任分配不均。在七个决策部门中，发现三个是不平等因素，并对其进行了调整，以减少水污染物排放并增加水治理投入。调整后，COD的环境基尼系数小于0.2，减少率为27.63％。调整过程为决策者制定适当的政策和改善水治理责任分配的平等性提供了明确的指导。

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