广州市城市湿地生态系统服务功能价值评估

在实地调查和试验的基础上,依据资源经济学和生态经济学的理论和方法,以及广州市城市湿地资源的特点,分析广州市城市湿地资源的价值,并对广州市城市湿地资源的直接利用价值和间接利用价值进行了货币化评估.由此得出湿地资源的总价值量为66.805 3亿元人民币,其中湿地生态系统直接利用价值为66.3318亿元人民币,占99.3%.评估结果表明,广州市城市湿地资源资产价值主要表现在湿地生态系统的直接利用价值.因此,保护好广州市城市湿地生态环境,合理开发广州市城市湿地资源,才能实现其可持续利用,保证区域经济的可持续发展.

Evaluation of the Urban Wetlands Ecosystem Service Function in Guangzhou

The wetlands in Guangzhou are featured by their unique ecological function and economical value.They are highly productive ecosystems which have huge economical and socio-ecological benefits.They supply food,raw materials and processed materials,water resources,biodiversity and tourism.Guangzhou city wetland is one of the important wetland eco-system in the southern China.Based on field investigation and experiment,according to theories and methods of resource economy and ecological economy,and the characte...