In this study,natural secondary Abies nephrolepis forest of Wangqing County,Jilin Province is regard as research object using 172 subcompartment data,178 reset sample plot and 96 anatomical tree data. Based on the site classification results,the height of dominant Abies nephrolepis at the basal age,and the unit area stand growing stock,the site quality comprehensive evaluation system of the Abies nephrolepis secondary forest of Wangqing district is established. The stand unit area growing stock,the site quality is classified into three grades:good(I),medium(II)and poor(III). The site with good...
