Ancient trees are precious ecological,landscape,germplasm and cultural resources.In this paper,based on a comprehensive investigation and understanding of the actualities of ancient tree resources in Qimen County,an analysis was made on the factors influ-encing the growth of ancient trees in this area from both external and internal aspects,and targeted conservation measures were put for-ward for the risk factors of ancient trees in this county,so as to provide reference for the conservation and restoration of ancient trees in the county.
维普
万方数据