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The regional ecological positioning of one area is based on the region's ecological orientation by the country or a larger region. Combined with the region's natural geographical features, ecological background, main ecological problems, regional ecological structure, pattern, process, function and service, etc., the position of a certain area in ecological space, structure, process, function and sendee, etc. is determined through the analysis and research. Regional ecological positioning is an important prerequisite and core basis for regional ecological impact assessment. However, in the current regional ecological impact assessment, most of them have not analyzed and studied the regional ecological positioning. Due to the lack of research on regional ecological positioning, it is rare to apply the research results of regional ecological positioning to the establishment of regional ecological objectives and the construction of index system. Regional ecological positioning does not guide the direction of regional ecological protection and construction well, and there is a general tendency of regional ecological positioning being one-sided and slogan-based. This paper analyzes the necessity and importance of research of regional ecological positioning, puts forward the technology framework of study on regional ecological positioning. With regional ecological positioning research in planning ecological impact assessment of the Chengdu - Chongqing Economic Zone as an example, how to carry out the study on the regional ecological positioning and how to apply the results of the study on the regional ecological positioning in regional ecological impact assessment are explained and illustrated. [ABSTRACT FROM AUTHOR]

One of the core concepts of park city is from form construction to ecological transformation and sustainable development, and it is also a new construction path proposed to address urban issues in the new era. As an important component of the ecosystem, urban wilderness is based on reconstructing the relationship between humans and nature, and has significant value in enhancing biodiversity, improving ecosystem services, and promoting human physical and mental health. This study proposes that urban wilderness can bring new ecological development models to the development of park city, play an important role in comprehensively improving the urban ecological environment, and further enrich the connotation of park city. Taking Yunshangbali · Exploration Park in Chengdu as an example, this study showcases the multiple values of wilderness through design practice and empowers the construction of park city. [ABSTRACT FROM AUTHOR]