论文部分内容阅读
建立沙区生态经济型防护林体系,是在充分考虑区域生态环境的形成、发展和演变的基础上,根据当地自然气候特征、地形地貌、立地类型、土地现状及利用、社会经济情况等,科学合理地布局多材种、多树种,以形成多层次、多功能、内涵丰富、生物学稳定的生物群体,且体系内部结构彼此衔接、点线面结合、良性互动,是沙区经济和生态效益明显的绿色防护林体系。
Based on the formation, development and evolution of the regional ecological environment, the establishment of the eco-economic shelter forest system in the sand area is based on the natural and climatic characteristics of the area, topography, site type, land status and utilization, social and economic conditions, etc. Multi-species and multi-tree species should be laid out to form a multi-layered, multi-functional, connotation-rich and biologically stable biological community. The internal structure of the system is linked with each other. The combination of point, line and surface and benign interaction is an obvious economic and ecological benefit for the sand area Green shelter system.