Journal of Environmental Accounting and Management 7(3) (2019) 291--301 | DOI:10.5890/JEAM.2019.09.004

Hanqin Mo$^{1}$, Shicun Liu$^{1}$, Weibing Wen$^{2}$, Dong Liang$^{2}$, Xi Chen$^{3}$, Yanwei Zhao$^{1}$

$^{1}$ School of Environment, Beijing Normal University, Beijing 100875, China

$^{2}$ State Grid Economic and Technological Research Institute, Beijing 102209, China

$^{3}$ Economic and Technological Research Institute of State Grid Hubei Electric Power Company,Wuhan 430077, China

Abstract

Ecological impact assessment (EcIA) of large-scale transmission and transformation projects has attracted attention, but assessment of the impacts of these projects is mostly conducted at a single scale and is not quantitative. Considering the potential impacts at different scales, an assessment index system is proposed to assess impacts at three different scales, namely at the scale of landscape, ecosystem, and sensitive areas. To express the multi-scale effect, the analytic hierarchy process (AHP) method was used to construct a hierarchical evaluation framework, and a comprehensive index was used to quantitatively evaluate the ecological impact. On this basis, a multi-scale EcIA method system for transmission and transformation projects was established. An assessment of impacts relating to the ZarutQingzhou ±800kV transmission project case study was conducted, and the results show that this multi-scale comprehensive EcIA method integrates the three scales well and can quantify the impacts both at the single scale and at multiple scales so that the evaluation is more objective and comprehensive. This study introduces a novel, accurate, and objective method for EcIA for large-scale transmission and transformation projects.

Acknowledgments

This research was financially supported by China National Power Grid Corp Science and Technology Project: Research on the environmental impact mechanism and key technologies of impact mitigation of transmission and transformation projects. I sincerely appreciate the cooperation and support and would like to express my gratitude to everyone who assisted with this paper.

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