成都市生态系统服务功能价值探讨

运用生态经济学原理与方法,阐释了成都市生态系统调节气候、固碳释氧、保持土壤、涵养水源、净化环境和减弱噪声等生态服务功能,对其经济价值进行评估.结果表明,成都市生态系统服务功能年总价值为11 524.79亿元,该市2004年国内生产总值(GDP)2 185.7亿元.巨大的生态服务潜力,为成都市可持续发展提供了广阔的空间.依据重要性,由大到小依次为固碳释氧功能、调节气候功能、涵养水源功能、保持土壤功能、净化空气功能与减弱噪声功能.污水治理与土壤重金属降解是成都市下一阶段景观管理与生态建设中需要重点保障的生态系统服务功能.

Research on the Value of the Ecosystem Service Function in Chengdu

Based on theories and methods of ecological economics,we explain the functions of ecosystem services in Chengdu city, Sichuan Province of China such as conditioning climate,fixing carbon and releasing oxygen,preserving soil,keeping waterhead,purifying environment,and restraining noises,and estimate the economic value of it.The results show that ecosystem in Chengdu provides enormous ecological economic benefits with the total value of RMB 1 152.479 billion,which corresponds with the RMB 187.08 billion of GDP of Chengdu in 2003.Therefore enormous potentional powers of ecosystem services offer extensive room for sustainable development of Chengdu.According to importance of ecosystem services,the function of fixing carbon and releasing oxygen is the most important,the function of conditioning climate is the second,and the functions of keeping waterhead,preserving soil,purifying environment,and restraining noises are also important.Harnessing water pollution and decomposing soil heavy mentals are the most important function of ecosystem services in Chengdu which should be protected in the course of urban landscape management and ecological construction.