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中国归化植物组成特征及其时空分布格局分析
许光耀1,李洪远1,*(),莫训强2,孟伟庆2
Composition and spatial-temporal distribution of Chinese naturalized plants
XU Guang-Yao1,LI Hong-Yuan1,*(),MO Xun-Qiang2,MENG Wei-Qing2

图7. 归化植物多样性与自然、环境因子回归树。①②③为各回归结点; LAT, 纬度; GDP, 国内生产总值。

Fig. 7. Regression tree of naturalized species richness and key social and environmental factors. ①②③, regression node; LAT, latitude; GDP, gross domestic product.