关于城市绿化建设中增加生物多样性问题

城市化建设是城市有生命的基础设施建设,是城市生态环境建设的主体.保护和增加生物多样性是城市绿化建设的目的之一,也是提高其生态功能的主要手段.本文概述了城市绿化建设中保护和增加生物多样性的必要性,分析了目前在保护城市生物多样性方面存在的一些模糊认识和不合理做法.指出城市绿化建设的生物多样性保护工作要从整个城市地域的角度着手,把城市的建设成区、近郊区和远效区作为一个有机的整体,进行全面规划,合理布局,大力保护和发展自然和近自然林模式,提高城市绿地生态系统的多样性和稳定性.

Discuss on increasing biodiversity in urban greening

The urban gteening is the vital basic establishment and the main part of the ecological environment in city It is one of the aims of urban greening, and also the key way to increase its ecological function The necessity of conserving and increasing biodiversity in urban greening is summarized in the paper. Some mnddy understandings and irrational practices are discussed in conserving biodiversity in city.It is put folward that the conservation of biodiversity should be done in the whole city area It is also emphasized to make a completely plan and rational distribution by taking the city zone,suburb and far suburb as the whole,energetically protect and develop natural and close-to-nature urban forest,and increase the diversity and stability of urban green space ecosystem