Thinning effect on understory community and photosynthetic characteristics in a subtropical Pinus massoniana plantation
2017
Cheng, Chuanpeng | Wang, Yidong | Fu, Xiaoli | Xu, Mingjie | Dai, Xiaoqin | Wang, HuiMin
Thinning forest stands changes biotic and abiotic conditions, subsequently altering understory communities including their photosynthetic characteristics. We investigated the effects of thinning (25% basal area decrease) in a subtropical Pinus massoniana plantation at two post-thinning times: 0.5 (PT0.5-yr) and 2.5 years (PT2.5-yrs). Thinning (PT0.5-yr and PT2.5-yrs) significantly increased understory density (+104.9% and +142.4%), aboveground biomass (+191.1% and +239.2%), Shannon-Wiener index and Pielou index, and decreased the Simpson index (p
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