Table 1. Thinning intensity by experimental plot in Korean white pine plantations.

Experimental plot 1st thinning 2nd thinning
Thinned age No. of trees before thinning (trees/ha) Thinning intensity (%) No. of trees after thinning (trees/ha) Thinning quotient Thinned age No. of trees before thinning (trees/ha) Thinning intensity (%) No. of trees after thinning (trees/ha) Thinning quotient
Stem number basis Basal area basis Stem number basis Basal area basis
1 19 2372 30.6 13.1 1591 0.638 45 1153 27.1 29.2 699 0.964
2 15 2020 19.9 12.5 1599 0.759 41 1464 26.3 28.2 904 0.994
3 25 2273 64.5 43.5 805 0.867 38 782 40.2 28.2 465 0.841