基于根系发育分级的砂壤土下成熟林木根系构型分析
祝维1,余立璇1,赵德海2,贾黎明1,*(
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Architectural analysis of root systems of mature trees in sandy loam soils using the root development classification
ZHU Wei1,YU Li-Xuan1,ZHAO De-Hai2,JIA Li-Ming1,*()
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图3. 纯林毛白杨(A)、混交林毛白杨(B)和刺槐(C)根系系统根基到根尖各段连结长度变化趋势图。1, 一级根。2, 二级根。3, 三级根。箱线图上的虚点代表异常点。箱线图上的正方形代表平均值。箱线图上的线条为中位数的连线。
Fig. 3. Link length variations along link sequence from the root base to the root tip in root systems of Populus tomentosa in pure forest (A), P. tomentosa in mixed forest (B), and Robinia pseudoacacia in mixed forest (C). 1-3 refer to root categories from first order to third order. The individual points on the box plots represent outliers, the squares on the box plots represent the average, and the lines connected the box plots.
