研究文章
异速生长的树模型估算体积和地上部生物量在坦桑尼亚低地森林
表5
参数估计和性能一般总树地上部生物量和站点的具体模型。
|
| 一般/网站 |
模型 |
参数估计 |
错误 |
RMSE |
|
另类投资会议 |
|
|
|
|
|
| 一般 |
6 |
0.6881 |
1.93834 |
|
0.237×胸径2.028 |
1280.4 |
0.49 |
893.98 |
| 7 |
3.2064 |
0.6166 |
|
0.176×胸径2.105 |
1326.16 |
0.48 |
892.70 |
| 8 |
0.3571 |
1.7440 |
0.4713 |
0.274×胸径1.982 |
1214.68 |
0.52 |
893.44 |
| 9 |
0.1459 |
0.8601 |
|
0.323×胸径1.940 |
1169.65 |
0.54 |
892.56 |
| 10 |
0.0873 |
0.9458 |
|
0.559×胸径1.673 |
567.9 |
0.87 |
840.94 |
|
| Dindili森林 |
6 |
0.5414 |
2.0591 |
|
0.429×胸径1.801 |
539.98 |
0.83 |
421.38 |
| 7 |
4.5076 |
0.6915 |
|
0.347×胸径1.860 |
506.59 |
0.84 |
421.40 |
| 8 |
0.2137 |
1.8004 |
0.6724 |
0.573×胸径1.686 |
470.50 |
0.87 |
416.48 |
| 9 |
0.1568 |
0.8613 |
|
0.585×胸径1.683 |
478.61 |
0.87 |
415.06 |
| 10 |
0.1014 |
0.9510 |
|
0.638×胸径1.675 |
467.52 |
0.89 |
418.34 |
|
| 隆多的森林 |
6 |
0.3238 |
2.0673 |
|
0.040×胸径2.430 |
1360.97 |
0.50 |
450.04 |
| 7 |
0.2816 |
1.1654 |
|
0.006×胸径2.916 |
1514.67 |
0.51 |
442.78 |
| 8 |
0.0542 |
1.3326 |
1.4278 |
0.165×胸径2.010 |
967.08 |
0.66 |
439.90 |
| 9 |
0.0863 |
0.8544 |
|
0.040×胸径2.397 |
1172.15 |
0.58 |
440.64 |
| 10 |
0.07511 |
0.9477 |
|
0.214×胸径1.780 |
462.47 |
0.92 |
396.58 |
|
|
