对我国北亚热带植被的研究，可追溯到本世纪二三十年代对南京森林植物的调查工作“’和钟山森林之变迁的研究”’。受战争的影响，约有20年的停动期。50年代后，研究工作得以继续，而且研究内容日益广泛，研究程度日益深入，这些工作大体可分为以下4个方面。1植被特征的研究曲仲湘’ The study of the northern subtropical vegetation in China can be traced back to the investigation of the forest plants in Nanjing in the 1920s and 1930s and the study on the changes of forests in Zhongshan. Affected by the war, about 20 years of suspension period. After the 1950s, the research work has continued, and the research content is more and more extensive and the research level deepens day by day. These works can be divided into the following four aspects. 1 Vegetation Characteristics Research Qu Zhongxiang ’