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. 2022 Mar 2;13:807369. doi: 10.3389/fpls.2022.807369

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Copyright © 2022 Han, Xu, Huang and Zang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Redundancy analysis (RDA) for ecological strategy spectra and biotic factors (blue arrows): stem abundance (Abun), species richness (SR), Shannon-Wiener index (SW). Symbols in different colors and shapes indicate species in different forest types: TF, tropical forest (red circles); SF, subtropical forest (yellow squares); WF, warm-temperate forest (green triangles); and CF, cold-temperate forest (blue diamonds). Ecological strategy group abbreviations (red arrows) are as follows: C, competitors; S, stress-tolerators; R, ruderals; and Int, Int-strategists. (B) Venn diagram showing variation partition analysis that partitions relative contributions of Abun, SR, and SW to ecological strategy spectra.