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本文在分析长沙市绿化现状的基础上（不包括公园），从生态学角度阐述了自然植被的种类、层次结构对城市绿化的意义。提出了今后长沙市的城市绿化工作几点具体意见，以保障绿化水平不断提高，改善人们的生活环境，满足人们回归自然的要求。
Based on the analysis of the status of afforestation in Changsha City (excluding the park), this paper expounds the significance of the types and the hierarchical structure of natural vegetation to urban afforestation from the perspective of ecology. Proposed in the future of Changsha city greening a few specific comments to protect the continuous improvement of the level of greening to improve people’s living environment to meet people’s requirements of return to nature.