上海市无居民岛土地资源开发适宜性研究

Suitability evaluation of land resources of nonresident islands in Shanghai

摘要:

无居民岛的土地资源的开发利用受到人们越来越多的关注，根据对上海市无居民岛的实地调查，结合文献数据，参考相关土地资源的分类体系，作为评价的框架，从保护和开发两个角度分别进行指标的选取，选择层次分析法(AHP)和德尔菲法(Delphi)相结合的赋值方式，建立上海市无居民岛土地资源开发利用评价体系，计算上海无居民岛土地资源生态保护和开发利用指数，分析上海市6个河口冲积无居民岛开发适宜性等级，建议九段沙和青草沙限制开发，东风西沙、扁担沙和黄瓜沙应适宜开发，除青草沙的开发方向为岛陆资源，其余海岛的开发方向均为岛陆和滩涂资源。

Abstract:

The exploitation of land resources of nonresident islands is paid more and more attention to. According to the field investigation and the data from other academic literature, reference to related land resources classification system as an evaluation framework, from the perspective of the protection and development to select the indicator, the paper established the suitability evaluation system of land resources of nonresident islands in Shanghai by the means of AHP and Delphi. It calculated the indexes of protection and development of land resources,and analyzes the statud of 6 alluvial islands in Shanghai, the result suggests Jiuduan Sha and Qingcao Sha should be limited to development, Dongfengxi Sha, Biandan Sha and Huanggua Sha should be suitable for development. The development direction of the islands is the land and the tidal flats resources, in addition to the development direction of the Qingcao Sha is land resources.