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6
一般和站点特定模型的参数估计和性能的生物质树部分。
|
| 部分 |
一般/网站 |
模型 |
参数估计 |
错误 |
RMSE |
|
另类投资会议 |
|
|
|
|
|
| 树枝 |
一般 |
6 |
0.1379 |
2.1738 |
|
0.027×胸径2.456 |
846.89 |
0.39 |
823.10 |
| 7 |
−1.6031 |
0.2524 |
|
0.042×胸径2.345 |
677.87 |
0.41 |
826.66 |
| 8 |
0.1364 |
2.1697 |
0.0088 |
0.028×胸径2.451 |
842.13 |
0.39 |
825.08 |
| 9 |
0.0434 |
0.8868 |
|
0.047×胸径2.319 |
757.86 |
0.40 |
828.52 |
| 10 |
0.0270 |
0.9887 |
|
0.075×胸径2.118 |
441.72 |
0.75 |
795.70 |
| Dindili |
6 |
0.1173 |
2.2750 |
|
0.023×胸径2.441 |
370.47 |
0.75 |
383.04 |
| 7 |
−2.5456 |
0.3211 |
|
0.033×胸径2.375 |
285.20 |
0.76 |
391.26 |
| 8 |
0.1604 |
2.35962 |
−0.2205 |
0.022×胸径2.455 |
368.64 |
0.76 |
384.92 |
| 9 |
0.0483 |
0.9083 |
|
0.032×胸径2.380 |
420.12 |
0.62 |
390.90 |
| 10 |
0.04624 |
0.9549 |
|
0.020×胸径2.510 |
296.64 |
0.72 |
388.60 |
| 隆多 |
6 |
0.1343 |
2.0777 |
|
0.046×胸径2.277 |
619.55 |
0.46 |
422.6 |
| 7 |
0.1403 |
0.9548 |
|
0.041×胸径2.303 |
620.00 |
0.46 |
421.78 |
| 8 |
0.000007 |
0.5631 |
4.9456 |
0.141×胸径1.890 |
531.55 |
0.64 |
405.46 |
| 9 |
0.0288 |
0.8912 |
|
0.047×胸径2.249 |
594.47 |
0.51 |
416.26 |
| 10 |
0.05347 |
0.8840 |
|
0.205×胸径1.763 |
345.94 |
0.85 |
394.66 |
|
| 树杆 |
一般 |
6 |
0.3859 |
1.7794 |
|
0.135×胸径1.994 |
570.48 |
0.49 |
811.60 |
| 7 |
−1.0523 |
0.2482 |
|
0.109×胸径2.053 |
618.81 |
0.49 |
811.76 |
| 8 |
0.07646 |
1.5073 |
1.0172 |
0.203×胸径1.859 |
472.48 |
0.62 |
803.40 |
| 9 |
0.1683 |
0.7287 |
|
0.174×胸径1.903 |
494.66 |
0.60 |
801.86 |
| 10 |
0.0848 |
0.8726 |
|
0.333×胸径1.658 |
259.49 |
0.85 |
772.30 |
| Dindili |
6 |
0.2451 |
2.0119 |
|
0.086×胸径2.108 |
358.30 |
0.56 |
390.86 |
| 7 |
−1.1567 |
0.2895 |
|
0.103×胸径2.059 |
343.87 |
0.57 |
390.92 |
| 8 |
0.0395 |
1.3879 |
1.4583 |
0.181×胸径1.825 |
212.42 |
0.84 |
377.04 |
| 9 |
0.0869 |
0.8392 |
|
0.118×胸径1.963 |
260.6 |
0.77 |
388.60 |
| 10 |
0.0853 |
0.8798 |
|
0.108×胸径1.994 |
277.39 |
0.68 |
380.18 |
| 隆多 |
6 |
0.3944 |
1.7607 |
|
0.200×胸径1.869 |
549.37 |
0.49 |
417.66 |
| 7 |
−5.4258 |
0.2147 |
|
0.104×胸径2.043 |
668.71 |
0.48 |
422.10 |
| 8 |
0.0278 |
1.2617 |
1.5116 |
0.344×胸径1.694 |
441.80 |
0.67 |
412.20 |
| 9 |
0.0808 |
0.8026 |
|
0.213×胸径1.830 |
493.90 |
0.59 |
412.35 |
| 10 |
0.06812 |
0.8888 |
|
0.779×胸径1.395 |
271.52 |
0.89 |
391.32 |
|
|