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Chinese Journal of Applied Ecology ›› 2003, Vol. ›› Issue (12): 2108-2112.

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Structure and ecological benefits of urban forest in Shenyang build-up area

HU Zhibin1,2, HE Xingyuan1, CHEN Wei1,2, LI Yuehui1, LI Haimei1,2   

  1. 1. Institute of Applied Ecology, Chinese Academy of Scinces, Shenyang 110016, China;
    2. Graduate School, Chinese Academy of Sciences, Beijing 100039, China
  • Received:2003-05-27 Revised:2003-09-22 Online:2003-12-15

Abstract: Investigations were made in the sampling plots covering 243 km2 of the Shenyang urban area,and the results were used as the input for the Urban Forest Management Information System (UFMIS),which was developed based on the model of CITYgreen. With this system,and using tree species,tree density,tree height grade distribution,tree DBH (diameter at breast height) grade distribution,and tree health condition as parameters,the land use and forest structure in Shenyang City were analyzed. It was found that there were 1914500 trees in Shenyang,belonging to 136 species. The 25 dominant species accounted for 84.78% of the total number of trees,and the forest coverage was 9.765%. Trees with DBH<0.25m and >0.5m accounted for 82.8% of the total,and the young,middle aged and old trees occupied 27%,58% and 15% of the total,respectively. The healthy status of 84% of the trees was above middle level. Therefore,the forest in Shenyang urban is at a stable stage. According to the statistical results from UFMIS,the ecological value of forest in Shenyang urban is as high as 26526955.1 USDin terms of economy.

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