Table 3. Summary statistics of stand characteristics for each experimental plot in Korean white pine plantations by measurement year.
| Plot 1 (Site indexa: 18) | Plot 2 (Site indexa: 17) | Plot 3 (Site indexa: 20) |
| Measurement year (Age) | Residual trees (N/ha) | %Stocking | Stand density index (trees/ha) | Relative density | Measurement year (Age) | Residual trees (N/ha) | %Stocking | Stand density index (trees/ha) | Relative density | Measurement year (Age) | Residual trees (N/ha) | %Stocking | Stand density index (trees/ha) | Relative density |
| 1981(9) | 2653 | 40 | 215 | 0.2 | 1981(5) | 2105 | 26 | 102 | 0.1 | 1984(10) | 2273 | 41 | 277 | 0.3 |
| 1984(12) | 2645 | 58 | 459 | 0.4 | 1984(8) | 2097 | 43 | 323 | 0.3 | 1986(12) | 2273 | 53 | 433 | 0.4 |
| 1988(16) | 2591 | 78 | 701 | 0.6 | 1988(12) | 2097 | 64 | 579 | 0.5 | 1999(25) | 2273 | 146 | 1212 | 1.1 |
| 1991(19) | 2372 | 91 | 871 | 0.8 | 1991(15) | 2020 | 84 | 801 | 0.7 | 1999b(25) | 805 | 86 | 796 | 0.7 |
| 1991b(19) | 1649 | 73 | 711 | 0.7 | 1991b(15) | 1618 | 71 | 681 | 0.6 | 2004(30) | 805 | 65 | 624 | 0.6 |
| 1994(22) | 1591 | 80 | 775 | 0.7 | 1994(18) | 1599 | 80 | 779 | 0.7 | 2010(36) | 790 | 75 | 705 | 0.6 |
| 1997(25) | 1507 | 92 | 899 | 0.8 | 1997(21) | 1580 | 93 | 909 | 0.8 | 2012(38) | 782 | 80 | 743 | 0.7 |
| 2010(38) | 1380 | 108 | 1034 | 0.9 | 2010(34) | 1506 | 119 | 1138 | 1.0 | 2012c(38) | 465 | 55 | 501 | 0.5 |
| 2015(43) | 1153 | 108 | 1017 | 0.9 | 2015(39) | 1464 | 128 | 1212 | 1.1 | 2015(41) | 465 | 59 | 530 | 0.5 |
| 2015c(43) | 799 | 76 | 712 | 0.7 | 2015c(39) | 1066 | 92 | 874 | 0.8 | 2018(44) | 465 | 64 | 561 | 0.5 |
| 2020(48) | 699 | 76 | 700 | 0.6 | 2020(44) | 904 | 91 | 847 | 0.8 | 2021(47) | 465 | 70 | 603 | 0.6 |
Site index is calculated by Lee and Choi (2022) with base age of 40 years.
After 1st thinning.
c : After 2nd thinning.