Table 3. Tree density and COI of planting site of main species

Planting site of main species Tree density (N/m2) COI (%) No. of sample
Min. Max. Ave. Min. Max. Ave.
Pinus strobus 0.12 1.10 0.30 7.7 63.6 35.6 46
Metasequoia glyptostroboides 0.10 0.30 0.17 45.9 59.0 34.3 6
Quercus acutissima 0.06 0.36 0.19 9.0 50.4 49.5 5