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Study of Integrated Methods for Assessing Urban River Region Ecosystem Services

机译:城市河流域生态系统服务综合评价方法研究

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摘要

Urban river relative region to city should be considered with ecosystem services assessment,because its services are very important during the growth of city.Integrated assessment method for urban river was established based on value evaluation methods of ecosystem services.It includes qualitative analysis,quantitative analysis and localization analysis.The integrated assessment was used in Harbin region of the Songhua River.Based on current situation survey,the ecosystem services are classified as production supply,adjustability,culture and support function.Qualitative assessment gives description of the river ecosystem services.Quantitative assessment gives the value of the river ecosystem services by using different methods.Localization assessment makes district divide by three levels.The first level includes production supply district,adjustability district,culture district and support district.The second level is divided considering different ecosystem services.The third level is divided according to the factors such as terrain,gradient,etc.It shows that ecosystem services of Harbin region of the Songhua River are integrated.The value of adjust function is the largest one.Its ecosystem services distribute in3 reaches,which are water body,exurban islands and urban islands.The value and localization of the ecosystem services of the river can help to develop moderately the nature resource of urban river and support to water ecological protection and restoration.
机译:城市河流相对于城市的区域在城市发展过程中起着非常重要的作用,因此应进行生态系统服务评价。基于生态系统服务价值评价方法,建立了城市河流综合评价方法。包括定性分析,定量分析在松花江哈尔滨地区进行了综合评价。在现状调查的基础上,将生态系统服务分为生产供给,可调节性,文化和支持功能。定性评价对河流生态系统服务进行了描述。评估通过不同的方法给出了河流生态系统服务的价值。本地化评估将区域划分为三个层次。第一层包括生产供应区,可调整性区,文化区和支持区。第二层考虑了不同的生态系统服务。第三层是根据地形,坡度等因素进行划分,表明松花江哈尔滨地区生态系统服务是整合的。调节功能的价值最大。其生态服务分布在3个河段,即水体,河流生态系统服务的价值和本地化可以帮助适度开发城市河流的自然资源,并支持水生态保护和恢复。

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