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Fig. 7. Periodic annual increment of DBH by thinning intensity during each growth period in the Korean white pine planation and oak-dominated natural deciduous forest. Only the trees that survived the entire measurement period were analyzed. The plots were thinned with different intensities at the first measurement period: Plot A with heavy thinning treatment, Plot B with moderate thinning treatment, Plot C with light thinning treatment, and Plot D with unthinned treatment. Specific thinning intensities are provided in Table 2. Significant differences between thinning treatments at each measurement are indicated by different letters based on Duncan’s multiple range test (alpha = 0.05). DBH: diameter at breast height.
J Ecol Environ 2022;46:- https://doi.org/10.5141/jee.22.013
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