Research on Undergrowth Plant Diversity in <i>Larix Principis-rupprechtii</i> Plantation with Different Thinning Levels —Taking Longxing Forest Farm of Guandishan in Shanxi Province as an Example

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LIU Hongyan, CHENG Dongli, LIU Jie, ZHAO Yu, ZHANG Yunxiang, GUO Jinping

Forest and Grassland Resources Research . 2017, (1): 50 -56 . DOI: 10.13466/j.cnki.lyzygl.2017.01.010