【摘要】 在对河流生态系统服务功能分类的基础上,结合基础数据资料的可收集性,以2002年为评价基准年份,对我国河流生态系统部分服务功能的价值进行了初步评价。结果表明:我国河流生态系统9项服务功能的总价值为9965.86亿元/a,相当于2002年我国国内生产总值的9.51%;各项服务功能价值量从高到低的排序为调蓄洪水、蓄积水分、内陆航运、供水、水产品生产、水力发电、净化环境、河流输沙、休闲文化。更多还原

【Abstract】 Based on the classification of river ecosystem service functions and the collectable data,the economic value of part of the river ecosystem service function in China was preliminarily evaluated by taking the year of 2002 as the base year.The results show that the total economic value of 9 items of river ecosystem service functions is 9965.86×108 Yuan RMB por year,equivalent to 9.51% of China’s GDP in 2002.The various service functions have the following ligh-to-low sequence by the economic value:flood control,water resources storage,inland navigation,water supply,aquatic product,hydropower,environmental purification,soil and sand transport,recreation and culture.更多还原