青海湖湿地生态系统服务价值分析

The Analysis of Ecological Values of Wetland Ecosystem in Qinghai Lake District

依据生态系统价值分析理论和方法,本文定量分析了青海湖流域湿地生态系统的直接和间接经济价值.结果表明青海湖流域的主要服务功能价值约362.71亿人民币;其中涵养水源的价值最大,为289.66亿人民币;其次为自然和生物多样性保护、科学考察及旅游和水产品价值.由于气候变化和人为影响,青海湖流域的生态服务价值在不断减少,只有采取整体的保护措施,才能实现当地社会和经济的可持续发展.

According to the theories and methods of ecosystem value analysis, the paper reviewed the use and indirect values of the wetland ecosystem in Qinghaihu Lake District. The results shown that the total assessment value of the wetland resources is 362.71 ×10^8 yuan RMB, in which regulating water is of the biggest part, 289 ×10^8 yuan RMB. Other values include the conversation of biological diversity, scientific study and tour, and aquiculture. For the reasons of climate changes, the ecological values are decreasing. To attain the continual development of society and economics, the conversation plans should be applied.