Abstract: As a long history of agriculture heritage system, Chinese jujube forest ecosystem is significantly affected by human activities and has its own environment conditions, ecosystem services and society requirements. A case study on Chinese jujube forest ecosystem in Jiaxian County, Shaanxi Province was carried out. The environmental adaptability and service function of Chinese jujube were comprehensively analyzed. The results showed that the physiological structure, growth cycle and tolerance of Chinese jujube adapted to the local environment in Jiaxian County, and Chinese jujube could also improve the local environment. Because of the high nutrient content and medical value, Chinese jujube has a huge market requirement, and also brings about the huge economic benefits. Furthermore, the local traditional myths and customs avoided the deforestation there, and Chinese jujube forest ecosystem services significantly the local economic development. The service value of Chinese jujube forest ecosystem in the county, as high as 1.72×109 yuan·a-1, was also evaluated. Moreover, the service function, direct economic value and soil conservation of Chinese jujube forest ecosystem were appraised. Apparently, the jujube forest ecosystem in the county has adapted the local natural and social environment, and such adaptability and ecosystem services promoted jointly the development of Chinese jujube forest ecosystem itself.

Key words: font-size: 10.5pt, mso-bidi-font-family: 宋体, mso-font-kerning: 1.0pt, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, agriculture heritage')">mso-bidi-language: AR-SA" lang="EN-US">agriculture heritage, Chinese jujube, environmental adaptability, ecosystem, service function, Jiaxian County, Shaanxi Province