Abstract
According to the abundance of native broad-leaved trees species resources in Taimalii research centre TFRI, the study focus the interests on the biology, ecology and growth characteristics of the mixed stands and plantations in this area, planning workshop including the investigation of growth status, and the monitoring on the affections of different mixed planting models to micro condition of the site and soil/water conservation. The results will be utilized to design the strategies of establishment and the accessing management of the mixed stands. On the other side, to evaluate the benefit effect of them will be analyzed simultaneously, by the way, regulation procedures will be used to analyze the effectiveness of the carbon sink of different management model of mixed stands.