Forest | Statistics | Dbh (cm) | Ht (m) | dg (cm) | Ho (m) | G (m2ha−1) | N (trees ha−1) | A (years) |
---|---|---|---|---|---|---|---|---|
Ikrigon Natural Forest | Mean | 30.0 | 24.1 | 33.8 | 31.9 | 28.0 | 310.4 | na |
63 species | Min | 10.0 | 5.7 | 29.4 | 27.6 | 16.9 | 184.0 | |
776 trees | Max | 125.0 | 43.8 | 39.6 | 35.9 | 40.9 | 440.0 | |
15.9 | 7.5 | 3.5 | 2.5 | 8.3 | 72.8 | |||
Oluwa Natural Forest | Mean | 25.1 | 16.9 | 29.6 | 25.7 | 19.4 | 227.1 | na |
58 species | Min | 10.0 | 4.8 | 26.1 | 22.0 | 14.5 | 200.0 | |
486 trees | Max | 118.5 | 63.7 | 34.5 | 33.0 | 31.7 | 352.0 | |
16.7 | 9.0 | 2.7 | 3.7 | 6.7 | 56.6 | |||
Mean | 21.2 | 13.9 | 22.3 | 21.6 | 30.5 | 710.3 | 26.6 | |
486 trees | Min | 3.0 | 1.6 | 14.7 | 8.8 | 6.2 | 300.0 | 11.0 |
Max | 54.5 | 42.7 | 31.0 | 34.5 | 72.9 | 1525.0 | 39.0 | |
9.8 | 5.8 | 3.7 | 4.5 | 19.5 | 308.6 | 7.7 | ||
Mean | 17.9 | 16.7 | 18.5 | 21.3 | 24.2 | 877.6 | 19.8 | |
1,916 trees | Min | 6.0 | 6.6 | 14.3 | 17.9 | 11.5 | 624.0 | 13.0 |
Max | 37.9 | 26.5 | 22.4 | 24.0 | 50.8 | 1744.0 | 27.0 | |
5.3 | 3.5 | 2.2 | 1.9 | 8.9 | 198.6 | 5.2 |
Species | DV | Parameter | Estimate | 5-fold Cross-validation | |||||
---|---|---|---|---|---|---|---|---|---|
P25 | b0 | −0.590 | 1.570 | 4.830 | 4.801 | 116.937 | 123.460 | 0.533 | |
b1 | 0.632 | 0.069 | |||||||
P40 | b0 | −2.975 | 1.676 | 5.539 | 5.441 | 126.491 | 133.015 | 0.677 | |
b1 | 0.912 | 0.074 | |||||||
P60 | b0 | −0.768 | 1.159 | 2.519 | 2.615 | 72.663 | 79.186 | 0.854 | |
b1 | 1.050 | 0.051 | |||||||
P75 | b0 | −0.677 | 1.116 | 2.446 | 2.418 | 67.149 | 73.672 | 0.897 | |
b1 | 1.232 | 0.049 | |||||||
P80 | b0 | −0.468 | 1.148 | 2.567 | 2.561 | 71.250 | 77.774 | 0.900 | |
b1 | 1.288 | 0.051 | |||||||
Shape | b0 | 1.952 | 0.124 | 0.138 | 0.147 | −146.720 | −140.196 | 0.764 | |
b1 | −0.826 | 0.054 | |||||||
Scale | b0 | −0.753 | 0.955 | 1.803 | 1.768 | 44.331 | 50.855 | 0.860 | |
b1 | 0.888 | 0.042 | |||||||
P25 | b0 | −3.885 | 1.374 | 0.917 | 0.874 | −1.105 | 2.556 | 0.844 | |
b1 | 0.975 | 0.074 | |||||||
P40 | b0 | 1.562 | 1.189 | 0.668 | 0.652 | −10.687 | −7.025 | 0.874 | |
b1 | 0.951 | 0.064 | |||||||
P60 | b0 | 0.263 | 1.016 | 0.495 | 0.475 | −21.063 | −17.401 | 0.912 | |
b1 | 0.995 | 0.055 | |||||||
P75 | b0 | 2.704 | 1.232 | 0.671 | 0.704 | −8.334 | −4.672 | 0.873 | |
b1 | 0.982 | 0.066 | |||||||
P80 | b0 | 4.946 | 1.331 | 0.786 | 0.829 | −3.200 | 0.461 | 0.833 | |
b1 | 0.905 | 0.071 | |||||||
Shape | b0 | 2.514 | 0.397 | 0.368 | 0.378 | −30.438 | −26.776 | 0.773 | |
b1 | −1.028 | 0.098 | |||||||
Scale | b0 | −1.306 | 0.625 | 0.186 | 0.181 | −53.142 | −49.480 | 0.965 | |
b1 | 1.002 | 0.033 |
Natural Forest | Percentiles | Parameters | Goodness-of-fit | ||||
---|---|---|---|---|---|---|---|
Shape | Scale | ||||||
Ikrigon | M1 | 2.6293 | 26.2730 | 0.0736 | 8.4744 | 0.6452 | 7.29 |
M2 | 3.4970 | 23.7620 | 0.1263 | 21.5400 | 3.4572 | 27.00 | |
M3 | 3.2008 | 24.5129 | 0.0889 | 10.3310 | 1.5687 | 12.34 | |
M4 | 2.7855 | 26.1412 | 0.0648 | 5.9910 | 0.4154 | 4.49 | |
M5 | 2.6278 | 26.3674 | 0.0731 | 8.5303 | 0.6549 | 7.29 | |
M6 | 2.5619 | 26.2305 | 0.0785 | 9.9085 | 0.8018 | 8.97 | |
M7 | 2.7658 | 26.1683 | 0.0658 | 6.2362 | 0.4338 | 4.77 | |
M8 | 2.5572 | 26.3818 | 0.0778 | 10.0510 | 0.8231 | 9.00 | |
MLE | 3.2957 | 26.2105 | 0.0547 | 5.2472 | 0.7167 | 3.79 | |
Oluwa | M1 | 3.0771 | 20.2929 | 0.1061 | 6.5088 | 0.6674 | 7.29 |
M2 | 3.0150 | 21.6576 | 0.0988 | 8.5493 | 1.3996 | 21.48 | |
M3 | 2.9375 | 20.7274 | 0.1089 | 7.0406 | 0.8385 | 11.56 | |
M4 | 2.7995 | 20.1118 | 0.1299 | 8.6210 | 0.9602 | 22.20 | |
M5 | 3.0966 | 19.8522 | 0.1125 | 7.3039 | 0.7098 | 11.73 | |
M6 | 3.0229 | 19.8817 | 0.1172 | 7.5092 | 0.7532 | 13.74 | |
M7 | 3.2683 | 19.6982 | 0.1037 | 7.5823 | 0.6984 | 11.12 | |
M8 | 3.0186 | 19.8512 | 0.1180 | 7.6141 | 0.7661 | 14.41 | |
MLE | 3.3928 | 20.4790 | 0.0827 | 6.4187 | 0.6964 | 3.32 |
Plantation | Percentiles | Parameters | Goodness-of-fit | R | |||
---|---|---|---|---|---|---|---|
Shape | Scale | ||||||
M1 | 2.9081 | 19.2593 | 0.0739 | 19.0410 | 2.0426 | 4.13 | |
M2 | 3.7818 | 16.2732 | 0.2120 | 182.6300 | 33.5450 | 27.00 | |
M3 | 3.5858 | 17.7908 | 0.1325 | 60.1980 | 11.6370 | 11.50 | |
M4 | 3.3184 | 19.8874 | 0.0598 | 19.9870 | 2.0377 | 3.47 | |
M5 | 2.8103 | 19.6023 | 0.0853 | 22.5520 | 2.1931 | 4.91 | |
M6 | 2.8513 | 19.8796 | 0.0862 | 22.9980 | 2.1995 | 4.98 | |
M7 | 3.0304 | 20.1196 | 0.0773 | 21.7450 | 2.0812 | 4.44 | |
M8 | 2.8908 | 19.8028 | 0.0824 | 21.2250 | 1.9992 | 4.66 | |
MLE | 3.3267 | 19.4248 | 0.0526 | 18.0290 | 2.1989 | 3.05 | |
M1 | 5.0963 | 17.4920 | 0.0593 | 8.5247 | 0.7829 | 6.42 | |
M2 | 6.0548 | 16.5020 | 0.1084 | 33.8000 | 6.4582 | 27.00 | |
M3 | 6.1169 | 16.9031 | 0.0840 | 16.3320 | 2.8739 | 14.37 | |
M4 | 5.3251 | 17.2658 | 0.0415 | 5.2366 | 0.5085 | 3.00 | |
M5 | 5.1543 | 17.5622 | 0.0594 | 8.9145 | 0.8782 | 6.67 | |
M6 | 4.9264 | 17.4620 | 0.0657 | 10.6700 | 1.0045 | 8.08 | |
M7 | 4.8683 | 17.3897 | 0.0657 | 11.1180 | 1.0443 | 8.26 | |
M8 | 4.9804 | 17.5226 | 0.0655 | 10.5200 | 1.0175 | 8.03 | |
MLE | 5.6892 | 17.2884 | 0.0436 | 5.4299 | 0.6729 | 3.52 |