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- 2017
泸沽湖流域(云南段)生态系统服务功能价值评估
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Abstract:
为了充分了解泸沽湖流域近年来的生态系统状况及变化趋势, 本研究根据泸沽湖流域特点、结合以往诸多学者对生态系统服务功能及生态价值的界定, 构建了泸沽湖流域产品提供、调节功能、支持功能及文化功能4大类生态系统服务功能指标体系, 在生态系统服务功能评估的基础上, 利用市场价值法、替代成本法、支付意愿法等方法对其生态系统服务经济价值进行定量评估.结果显示:从2000-2013年, 泸沽湖流域生态系统服务功能价值呈现增加趋势, 总价值从2000年的3.95亿元增加到2013年的5.75亿元, 其中产品提供价值增加了0.16亿元, 调节功能价值增加了1.17亿元, 支持功能增加了0.3亿元, 文化功能增加了0.17亿元.泸沽湖流域生态服务功能价值从大到小依次为调节功能、文化功能、支持功能、产品提供.
In order to get a good understanding of the current situation of the ecosystem of Lugu Lake watershed (Yunnan Section) and its development trend, an indicator system for its service functions, involving product-providing function, regulation function, support function and cultural function, was established in this study, which was based on the characteristics of the lake basin and combined with the definitions of 'service function' and 'ecological value' given by the previous scholars. Then, the market value method, the replacement cost method and WTP (willingness to pay) were used to quantitatively evaluate its economic value. The results showed that the total service value of the Lugu Lake Basin ecosystem rose from 3.95 million yua in 2000 to 5.75 million yuan in 2013, of which the increased value of product-providing function, regulation function, support function and cultural function was 0.16, 1.17, 0.3 and 0.17 million yuan, respectively. The function values of different services of Lugu Lake were in the order of regulation function, cultural function, support function, product providing function
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