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Updated: Sep 30, 2025

Design and Construction of an Urban Runoff Research Facility
Published on: August 8, 2014
Assessment of eco-economic effects of urban water system connectivity project
Cuimei Lv1, Huali Liao1, Minhua Ling2
1School of Water Conservancy Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, People's Republic of China.
Abstract:
As one of the large ecological infrastructures, the urban water system connectivity (UWSC) project is an important part of urban ecosystem construction. It is helpful for the scientific planning and construction of the project to systematically evaluate the effects. However, due to the complex and various effects of UWSC project, there is no complete effect system and quantitative method. Against this backdrop, the composition and mechanism of positive and negative effects of ecological economics of UWSC project were deeply analyzed to improve the composition system of eco-economic effects in this study. At the same time, the emergy theory was used to put forward the quantification method of eco-economic effect system. Taking the UWSC project in Xuchang as an example, its ecological, social, and economic effects were evaluated. The result showed that the average eco-economic effect of the project is 49.97 million dollars/year. Economic effect and ecological effect are significant, accounting for 82.49% and 15.89% of total effect, respectively. This study can provide reference for comprehensive and unified assessment of eco-economic effects of UWSC project.
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