关键词: 紫杉, 叶绿体, UVC辐射, 膜脂过氧化, PSⅡ电子传递

Abstract: The forest tenure reform carried out in 2003 has made the farmers become the main entity of forest management and play a major role in forest management. On the basis of the survey on the farmers in the mountain area of eastern Liaoning Province, this paper analyzed the farmers’ choices to the environmental conditions of the regions for planting Panax ginseng, and, according to the choices, studied the distribution of the potential planting areas of P. ginseng under forests by using ArcGIS, aimed to supply theoretical supports for forest management plan under forest tenure reform. The results showed that the environmental conditions chosen by the framers were consistent with the physiological demands of P. ginseng. The planting areas of P. ginseng were always located in the regions under broad-leaved forests or conifer broadleaved mixed forests, at north slope, the gradient between 10° and 25°, and the elevation height between 300 m and 1000 m, with >500 m as the priority regions. Xinbin, Qingyuan and Huanren counties were the main potential planting areas for P. Ginseng in eastern Liaoning Province.

Key words: Taxus cuspidata, Chloroplasts, UV-C radiation, Membrane lipid peroxidation, PSⅡelectron transport activity