测定森林树木叶面积的最适叶片数是多少?
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What is the optimal number of leaves when measuring leaf area of tree species in a forest community?
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图4. 两个树种成树与非成树叶面积在胸径上的偏离。A, 木荷。B, 枫香树。横线表示归零后的均值。 |
Fig. 4. Deviation of mature and non-mature leaf areas to diameter at breast height (DBH) of two tree species. A, Schima superba (Ss). B, Liquidambar formosana (Lf). The horizontal line indicates the mean value returning to zero. |
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