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Economic Appraisal of the Environmental Impacts of River Basin Hydroelectric Planning

Author: XuQiao
Tutor: ChenWeiZuo
School: Xiamen University
Course: Environmental Management
Keywords: Hydropower Planning Environmental Impact Economic Evaluation
CLC: X820.3
Type: Master's thesis
Year: 2008
Downloads: 225
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Abstract

The rapid development of the watershed development of hydropower resources bring significant economic benefits at the same time, the negative impact on the watershed ecological environment is also increasingly apparent. People began to realize the negative environmental impacts generated by the Hydropower Development in the basin hydropower planning stage must be given adequate attention. Therefore, to carry out the environmental impact assessment of the basin hydropower planning to become an inevitable trend of development. The economic evaluation of the Valley Hydropower Planning Environmental Impact Basin Hydropower Planning, Environmental Impact Assessment, an integral part of, it may impact on the the watershed natural environment and social environment in the implementation of the Hydropower Planning estimated monetization Evaluation, from the society as a whole level of loss of ecological environment and socio-economic benefits, can make up for the lack of simple environmental quality assessment, combining economic development with environmental protection, and to provide support for planning decisions. Based on the basic theory of the environmental assessment, environmental economics, environmental management and ecological economics multidisciplinary, combining literature search, data collection, theoretical analysis, public participation, expert advice, social research, site survey and case study methods, explore a variety of environmental impact basin hydropower planning and implementation of social economy, build basin hydropower planning environmental impact evaluation methodology, and the methodology used in the actual case. Papers made the following findings: (1) basin hydropower planning, environmental impact assessment, planning and environmental impact assessment concept of planning environmental impact of economic evaluation and planning environmental impact assessment both from welfare economics point of view, to explore the theoretical basis of the environmental impact of the economic evaluation of River Basin Hydropower Planning, including Pareto efficiency, willingness to pay, consumer surplus and external theory. Valley Hydropower Planning Environmental Impact (2) to define the evaluation of the spatial and temporal scales; environment from the socio-economic and ecological point of view, a more comprehensive identification basin hydropower planning and implementation of environmental impact, and construct the corresponding evaluation of influencing factors to identify matrix; comprehensive comparative analysis of the scope, conditions and the advantages and disadvantages of the domestic and international environment valuation method based on the determined Hydropower Planning various environmental impacts, and the establishment of appropriate assessment model , and then construct the basin hydropower planning economic evaluation methodology. (3) In accordance with the principle of operability, will build the Valley Hydropower Planning, Environment impact economic evaluation methods for the concrete used in hydropower planning case study of the environmental impact of the economic evaluation of the Jiulong River Watershed, try basin hydropower planning all kinds of environmental impact of currency of assessment. The results show that the Jiulong River Watershed has built hydropower project under construction in the near term with significant economic benefits; but in the long term, caused due to its loss of ecological and resource destruction irreversibility, such as the extinction of the wild river fish species, to pay the price is enormous, and eventually brought the net social benefit may be negative; the proposed fangyang water conservancy project considering the ecological environment and the socio-economic point of view, the basic feasible; planning hydropower stations, such as eliminating the mouth to be implemented, they will bring The net benefit to the economy of 10.6253 million yuan, but the ecological environment and resources caused a net loss of 51.744 million yuan, and the net benefit of the community as -3127.82 million. Comprehensive consideration of the ecological environment and the socio-economic point of view, the project is not feasible; jetty hydropower, such as planning to implementation, the annual economic net benefits of 2.7316 million yuan, is not significant, but the ecological net loss of 10.5922 million yuan, social net benefits -509.95 million. Comprehensive consideration of the ecological environment and the socio-economic point of view, the project is not yet with rationality. Visible the Jiulong River basin hydropower engineering development of the ecological environment of the Jiulong River Watershed negative impact can not be ignored, and hydropower projects in the process of construction and operation should be avoided whenever possible to damage the ecosystem of Jiulong River Watershed.

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CLC: > Environmental science, safety science > Environmental Quality Assessment and Environmental Monitoring > Analysis and Evaluation of Environmental Quality > General issues > Environmental Impact Assessment
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