关键词: 树莓, 树莓, ISSR, DNA提取, 体系优化

Abstract:

Chongqing Municipality in Northeast region as a "lap wings" an important component of development strategy, with the particularity of the Three Gorges reservoir area, the region of rural collective land for construction purposes will be more intensive use of rural land effectively to noticeable assets, protect the reservoir area the ecological environment. In this paper, based on this in Northeast China Chongqing Fengdu, Zhongxian, Dianjiang, Liangping, Wanzhou, Kaixian, Yunyang, Fengjie, Wushan, Wuxi, the city population in 11 districts and counties to conduct field research, and comprehensive use of a questionnaire survey, expert consultation and documentation methods, analysis of the region "homestead replacement housing in urban areas to protect," "change in linking urban and rural construction sites," and many other intensive land use of innovative models, and property management vague, weak planning and management challenges, Finally to improve the rural collective construction land from the property, co-ordinating urban and rural construction land planning and management discussed the two aspects of rural collective construction land intensive use of countermeasures and proposals.