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A GIS-based approach for mapping direct use value of ecosystem services at a county scale: Management implications

机译:一种基于GIS的方法来绘制县级生态系统服务的直接使用价值:管理的意义

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A GIS-based approach was designed to spatially estimate direct use value of ecosystem services and to map results for a case study at county scale. The approach highlights the use of GIS to collect data, perform spatial analysis, and map economic values of ecosystem services. Three key steps of spatial valuation for agricultural products, forest products, and tourism services were illustrated in the GIS-based technical framework. We applied this approach to the Tiantai County (1423.8 km~2) in Zhejiang province of southeast China. Selected components of natural products and tourism services in the case area were mapped as data layers in GIS, with each layer containing monetary values for every 25 m cell. The total direct use value of ecosystem services was estimated in RMB to be approximately 538 million Yuan in 2005 (Chinese currency, 8.2 Yuan = US$1), of which agricultural products, forest products and tourism services accounted for 65%, 30% and 5%, respectively. The critical areas for management purpose were identified depending on the heterogeneity of direct use services learned from the case study. The spatially explicit measures provide a mechanism for incorporating spatial context into ecosystem services evaluation. Based on the present GIS-based approach and case study, the suggestions and implications for local resources protection and eco-environmental management were extensively discussed. The work was expected to highlight research avenues to advance the ecosystem services framework as an operational basis for regional ecosystem-based management.
机译:设计了一种基于GIS的方法来在空间上估算生态系统服务的直接使用价值,并绘制结果,以进行县级案例研究。该方法强调了使用GIS来收集数据,执行空间分析以及绘制生态系统服务的经济价值。在基于GIS的技术框架中说明了农产品,林产品和旅游服务的空间评估的三个关键步骤。我们将这种方法应用于中国东南部浙江省的天台县(1423.8 km〜2)。将案例区域中自然产品和旅游服务的选定组成部分映射为GIS中的数据层,每一层包含每25 m单元的货币价值。 2005年,生态系统服务的直接使用总价值估计约为人民币5.38亿元(人民币,8.2元= 1美元),其中农产品,林产品和旅游服务分别占65%,30%和5 %, 分别。根据从案例研究中学到的直接使用服务的异质性,确定了用于管理目的的关键领域。空间明确措施提供了一种将空间背景纳入生态系统服务评价的机制。在目前基于GIS的方法和案例研究的基础上,广泛讨论了对本地资源保护和生态环境管理的建议和意义。预计这项工作将突出研究途径,以推动将生态系统服务框架作为区域基于生态系统的管理的业务基础。

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