The economic value of green space has the characteristics of complexity and particularity.Scientific evaluation is the basis and premise of giving full play to the benefits of green space and optimizing the allocation of green space resources.This paper takes 552 foreign papers on the economic valuation of green space as the research object,and uses CiteSpace to objectively reveal their knowledge base,post profiles,hot spots and evolution trend.The results show that:(1)The research system has a relatively complete literature network.The ecosystem service value,social service value,and leisure and entertainment value constitute the knowledge base of the literature network.(2)The research hotspots are the economic valuation of green space in protected areas,urbanized areas,green infrastructure and the valuation methods.(3)The trend of research is obvious,for the focus of the object changes from nature to towns,or attach equal importance to nature and towns.The study of value attributes has shifted from directly evaluating monetary value to non-market values such as ecology,society and recreation.The evaluation method is transformed from simple quantitative models to complex mathematical models and space-time count models.The subject of valuation is transformed from green space subject to crowd objects and special groups.This paper aims to provide scientific references for further expanding the domestic research system and planning practice.
green spaceeconomic valuationprogress abroadCiteSpaceknowledge map
国家科技期刊平台
NSTL
万方数据
