深圳市海洋生态系统服务价值的估算

目的]科学评估深圳市海洋生态系统服务及其价值。方法]将深圳市海洋生态系统服务划分为4个大类12个亚类,利用成果参照法、市场价值法、替代成本法等方法,对深圳市海洋生态系统服务价值进行评估。结果]深圳市海洋生态系统服务价值为260 130.61万元,单位面积海洋生态系统服务价值为2.27万元/hm~2。其中,文化服务价值最大,占总服务价值的60.33%;其次是供给服务,占比为20.30%;第三是调节服务,占比为14.79%;最小是支持服务,占比为4.59%。各项服务价值的占比由高到低依次为旅游娱乐、食品供给、物质循环、气候调节、水质净化、干扰调节、知识拓展、空气质量调节、基因资源供给、生物控制、原材料供给、提供生境。结论]该研究对合理开发和保护海洋资源、促进深圳市海洋生态系统的可持续发展具有重要的战略意义。

Value Assessment of Marine Ecosystem Services in Shenzhen City

Objective] To scientifically evaluate the marine ecosystem services in Shenzhen City and its value.Method] The marine ecosystem services of Shenzhen City were divided into 4 major categories and 12 subcategories.Market price method, replace cost method and the results re-fer method were used to evaluate the economic values of marine ecosystem in Shenzhen City. Result] The total value of the marine ecosystem services in Shenzhen City was 2 601.306 1 million yuan in 2013, with average value of marine ecosystem services per unit sea area of 2.27 million yuan/hm2 .The cultural services value was the largest, the proportion of the total services value was 60.33%.The second was the supply services, and the proportion was 20.30%.The third was adjust services, the proportion was 14.79%;support services was minimum, the proportion was 4.59%.The order of each service value was tourism and entertainment services >food provision services >nutrient cycle serv-ices >climate regulation services >water quality purification and regulation services >disturbance regulation services>knowledge extension services >air quality regulation services >gene resources services>biological control services >raw material provision services >habitat provision services.Conclusion] This research is of important strategic significance to the rational development and protection of marine, and to promoting the sustainable development of marine ecosystem in Shenzhen City.