Scientia Silvae Sinicae ›› 2026, Vol. 62 ›› Issue (10): 71-81.doi: 10.11707/j.1001-7488.LYKX20260024
• Research papers • Previous Articles Next Articles
Yuan Gao1,2,Haijun Yang3,Jinghui Meng1,2,*(
)
Received:2026-01-12
Revised:2026-07-09
Online:2026-10-10
Published:2026-10-17
Contact:
Jinghui Meng
E-mail:jmeng@bjfu.edu.cn
CLC Number:
Yuan Gao,Haijun Yang,Jinghui Meng. Management Techniques of Natural Forests for Optimal Carbon Sink Capacity in Zhejiang Province[J]. Scientia Silvae Sinicae, 2026, 62(10): 71-81.
Table 2
Parameter estimates and fit statistics of DBH-growth models for dominant tree species groups in natural forests"
| 模型项 Model term | 栎类 Quercus spp. | 马尾松 Pinus massoniana | 木荷 Schima superba | 杉木 Cunninghamia lanceolata | 其他树种 Others |
| 截距项Intercept | 5.34×10–1*** | 6.45×10–1*** | 5.50×10–1*** | 1.05×100*** | 6.26×10–1*** |
| 胸径Diameter at breast height/cm | 2.76×10–2*** | 2.72×10–2*** | 3.37×10–2*** | 3.30×10–2*** | 3.36×10–2*** |
| 立地地形因子Slope-cosAspect interaction | 2.25×10–4*** | –2.01×10–4 | –4.57×10–4*** | –3.66×10–4*** | 6.99×10–5 |
| 树种多样性Tree species diversity | 7.63×10–2*** | 8.83×10–3 | 8.64×10–2*** | –1.73×10–1*** | 4.72×10–2*** |
| 径阶多样性Diameter class diversity | –3.90×10–2*** | –6.59×10–2*** | 3.30×10–2*** | –1.75×10–1*** | –1.07×10–1*** |
| 胸高断面积Basal area at breast height/m2 | –4.90×10–3*** | –6.83×10–3*** | –8.55×10–3*** | –1.15×10–2*** | –3.61×10–3*** |
| 每公顷株数Stand density/(trees·hm–2) | –1.46×10–5*** | 1.91×10–6 | 1.28×10–6 | –2.97×10–6 | –4.42×10–5*** |
| R2 | 0.23 | 0.15 | 0.20 | 0.27 | 0.21 |
| AIC | 23 943.43 | 6 232.73 | 11 515.32 | 17 818.72 | 27 118.68 |
| BIC | 24 011.55 | 6 287.80 | 11 577.58 | 17 882.93 | 27 187.12 |
| logLik | –11 963.71 | –3 108.37 | –5 749.66 | –8 901.36 | –13 551.34 |
Table 3
Parameter estimates and fit statistics of mortality models for dominant tree species groups in natural forests"
| 模型项 Model term | 栎类 Quercus spp. | 马尾松 Pinus massoniana | 木荷 Schima superba | 杉木 Cunninghamia lanceolata | 其他树种 Others |
| 截距项Intercept | –1.91×100*** | –1.91×100*** | –1.52×10–0*** | –1.74×100*** | –1.44×100*** |
| 胸径Diameter at breast height/cm | –2.12×10–2*** | –8.89×10–3** | –5.25×10–2*** | –7.64×10–2*** | –3.90×10–2*** |
| 立地地形因子Slope-cosAspect interaction | –1.59×10–3*** | –2.20×10–3** | –9.46×10–5 | 2.18×10–3** | –3.89×10–4 |
| 树种多样性Tree species diversity | –7.00×10–2 | 2.18×10–1*** | –3.62×10–1*** | 2.09×10–1*** | –4.29×10–2 |
| 径阶多样性Diameter–class diversity | 9.78×10–2 | 1.50×10–1 | –5.06×10–2 | 8.50×10–2 | 3.94×10–2 |
| 胸高断面积Basal area at breast height/m2 | 5.23×10–4*** | 1.96×10–2*** | 9.96×10–3** | 1.05×10–2*** | 1.60×10–3 |
| 每公顷株数Stand density/(trees·hm–2) | 3.75×10–5*** | –1.64×10–4*** | 1.04×10–5 | –9.47×10–5*** | –3.15×10–5* |
| R2 | 0.25 | 0.13 | 0.14 | 0.16 | 0.12 |
| AIC | 10 341.94 | 3 567.11 | 3 201.64 | 3 563.39 | 12 190.86 |
| BIC | 10 402.04 | 3 615.92 | 3 256.38 | 3 620.14 | 12 251.23 |
| logLik | –5 163.97 | –1 776.55 | –1 593.82 | –1 774.70 | –6 088.43 |
Table 4
Parameter estimates and fit statistics of recruitment models for dominant tree species groups in natural forests"
| 模型项 Model term | 栎类 Quercus spp. | 马尾松 Pinus massoniana | 木荷 Schima superba | 杉木 Cunninghamia lanceolata | 其他树种 Others |
| 截距项Intercept | –4.61×100 | 7.30×100 | –3.77×101** | 4.99×101 | 2.64×101** |
| 每公顷株数Stand density/(trees·hm–2) | –1.06×10–2** | –1.63×10–3 | 3.02×10–3*** | –2.69×10–2*** | –2.79×10–3 |
| 立地地形因子Slope-cosAspect interaction | 1.04×10–1 | 7.13×10–2 | 2.01×10–1* | –1.31×10–1 | 1.16×10–1 |
| 树种多样性Tree species diversity | 5.15×101*** | –3.36×100 | 3.52×101*** | 4.26×101* | 2.59×101*** |
| 径阶多样性Diameter–class diversity | –6.06×101*** | –3.04×101** | –1.13×101 | –8.13×101*** | –1.27×101 |
| 胸高断面积Basal area at breast height/m2 | –2.49×10–1 | –1.86×100** | –8.31×10–1* | –3.08×100*** | –1.36×100*** |
| 树种每公顷株数Species group stand density/(trees·hm–2) | 5.43×10–2*** | 6.01×10–2*** | 3.27×10–2*** | 7.70×10–2*** | 3.51×10–2*** |
| logSigma | 4.42×100*** | 3.83×100*** | 4.06×100*** | 4.73×100*** | 4.26×100*** |
| R2 | 0.22 | 0.26 | 0.14 | 0.22 | 0.11 |
| AIC | 6 428.83 | 1 158.32 | 3 184.99 | 2 794.65 | 10 841.67 |
| BIC | 6 469.64 | 1 193.77 | 3 221.73 | 2 831.88 | 10 882.85 |
| logLik | –3 206.41 | –571.16 | –1 584.49 | –1 389.32 | –5 412.84 |
Table 5
Simulated structural equilibrium and carbon storage under different equilibrium–curve scenarios"
| 编号 No. | 采伐后胸高断面积 Post-harvest basal area at breast height/ (m2·hm–2) | 保留木最大胸径 Maximum DBH of retained trees/ cm | 相邻直径比 Adjacent diameter ratio | var | ic/ (t·hm–2a–1) | QU (%) | FI (%) | MP (%) | SS (%) | OT (%) | C/ (t·hm–2) |
| 1 | 30 | 35 | 1.3 | 0.42 | 8.24 | 98.07 | 0.00 | 0.00 | 0.20 | 1.73 | 171.98 |
| 2 | 30 | 35 | 1.5 | 0.99 | 6.97 | 95.79 | 0.08 | 0.07 | 1.85 | 2.21 | 161.27 |
| 3 | 30 | 35 | 1.7 | 1.89 | 8.10 | 94.15 | 0.08 | 0.07 | 4.35 | 1.35 | 163.56 |
| 4 | 30 | 40 | 1.3 | 0.22 | 7.02 | 98.09 | 0.00 | 0.00 | 0.00 | 1.91 | 155.76 |
| 5 | 30 | 40 | 1.5 | 0.49 | 8.29 | 97.46 | 0.08 | 0.07 | 0.99 | 1.40 | 170.26 |
| 6 | 30 | 40 | 1.7 | 0.67 | 6.99 | 93.66 | 0.38 | 0.07 | 4.50 | 1.39 | 158.32 |
| 7 | 30 | 45 | 1.3 | 0.06 | 8.50 | 98.34 | 0.00 | 0.00 | 0.00 | 1.66 | 179.69 |
| 8 | 30 | 45 | 1.5 | 0.12 | 6.27 | 98.05 | 0.09 | 0.00 | 0.73 | 1.13 | 150.07 |
| 9 | 30 | 45 | 1.7 | 0.20 | 8.29 | 94.82 | 0.34 | 0.06 | 3.14 | 1.64 | 176.77 |
| 10 | 35 | 35 | 1.3 | 0.42 | 7.92 | 96.30 | 0.00 | 0.00 | 0.92 | 2.78 | 182.70 |
| 11 | 35 | 35 | 1.5 | 1.54 | 9.04 | 95.32 | 0.56 | 0.06 | 2.24 | 1.83 | 190.68 |
| 12 | 35 | 35 | 1.7 | 1.79 | 6.91 | 95.33 | 0.35 | 0.07 | 2.53 | 1.72 | 168.44 |
| 13 | 35 | 40 | 1.3 | 0.03 | 10.05 | 97.48 | 0.00 | 0.00 | 0.08 | 2.44 | 208.06 |
| 14 | 35 | 40 | 1.5 | 0.08 | 8.62 | 94.85 | 0.07 | 0.06 | 2.21 | 2.81 | 192.60 |
| 15 | 35 | 40 | 1.7 | 0.19 | 8.45 | 95.68 | 0.33 | 0.06 | 2.34 | 1.59 | 182.24 |
| 16 | 35 | 45 | 1.3 | 0.05 | 8.47 | 98.42 | 0.00 | 0.00 | 0.00 | 1.58 | 188.88 |
| 17 | 35 | 45 | 1.5 | 0.15 | 9.10 | 97.57 | 0.07 | 0.06 | 0.87 | 1.44 | 195.01 |
| 18 | 35 | 45 | 1.7 | 0.23 | 9.40 | 95.55 | 0.57 | 0.06 | 2.28 | 1.55 | 187.21 |
| 19 | 40 | 35 | 1.3 | 0.40 | 10.29 | 96.10 | 0.06 | 0.00 | 1.42 | 2.42 | 209.67 |
| 20 | 40 | 35 | 1.5 | 1.10 | 9.30 | 90.35 | 0.52 | 0.05 | 6.28 | 2.80 | 205.86 |
| 21 | 40 | 35 | 1.7 | 2.02 | 6.31 | 95.66 | 0.31 | 0.06 | 2.23 | 1.74 | 190.89 |
| 22 | 40 | 40 | 1.3 | 0.06 | 9.64 | 97.38 | 0.00 | 0.00 | 0.52 | 2.11 | 213.20 |
| 23 | 40 | 40 | 1.5 | 0.09 | 9.54 | 95.77 | 0.51 | 0.05 | 2.06 | 1.60 | 206.93 |
| 24 | 40 | 40 | 1.7 | 0.20 | 8.71 | 95.47 | 0.55 | 0.06 | 2.21 | 1.72 | 193.24 |
| 25 | 40 | 45 | 1.3 | 0.08 | 10.54 | 99.00 | 0.00 | 0.00 | 0.07 | 0.93 | 237.85 |
| 26 | 40 | 45 | 1.5 | 0.12 | 9.12 | 95.04 | 0.28 | 0.05 | 2.03 | 2.59 | 209.46 |
| 27 | 40 | 45 | 1.7 | 0.21 | 8.95 | 96.27 | 0.29 | 0.05 | 2.06 | 1.32 | 206.51 |
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