林业科学 ›› 2023, Vol. 59 ›› Issue (12): 87-104.doi: 10.11707/j.1001-7488.LYKX20220837
解雅麟1,雷相东2,*,曾伟生3
收稿日期:
2022-11-26
出版日期:
2023-12-25
发布日期:
2024-01-08
通讯作者:
雷相东
基金资助:
Yalin Xie1,Xiangdong Lei2,*,Weisheng Zeng3
Received:
2022-11-26
Online:
2023-12-25
Published:
2024-01-08
Contact:
Xiangdong Lei
摘要:
目的: 编制落叶松人工林生长过程表,为落叶松人工林经营管理提供科学依据。方法: 以我国东北华北七省(市、区)——北京市、河北省、山西省、辽宁省、吉林省、黑龙江省和内蒙古自治区落叶松人工林为研究对象,基于第5~8次全国森林资源连续清查552块固定样地数据和气象数据,运用3-PGmix过程模型编制落叶松人工林不同立地等级生长过程表。结果: 通过校验得到4种落叶松人工林3-PGmix过程模型参数,林分各变量模型预测值与实测值一致性较高(R2在0.71~0.96之间),兴安落叶松、长白落叶松、华北落叶松和日本落叶松林分蓄积量的平均误差分别为5.70%、0.95%、4.70%和?4.56%,均方根误差分别为14.88、12.00、16.74和13.11 m3·hm?2。编制的林分生长过程表能够描述林分平均胸径、平均高、株数密度、公顷蓄积量、公顷生物量以及蓄积量和生物量的公顷年均生长量和连年生长量等随林龄增加的动态变化规律,4种落叶松人工林生长过程存在差异,其原因是适生条件、物候期、生长期等生物学特性不同所致,结果具有一定的统计可靠性和生物合理性。结论: 3-PGmix过程模型模拟结果可用于编制落叶松人工林生长过程表,为生长过程表的编制提供一种新的方法。
中图分类号:
解雅麟,雷相东,曾伟生. 基于3-PGmix过程模型的落叶松人工林生长过程表编制[J]. 林业科学, 2023, 59(12): 87-104.
Yalin Xie,Xiangdong Lei,Weisheng Zeng. Compilation of Growth and Yield Table for Larch Plantations Based on 3-PGmix Model[J]. Scientia Silvae Sinicae, 2023, 59(12): 87-104.
表1
各树种落叶松人工林样地林分因子统计量①"
林分因子 Stand variables | 统计指标 Indicators | 长白落叶松 Larix olgensis | 兴安落叶松 Larix gmelinii | 华北落叶松 Larix principis-rupprechtii | 日本落叶松 Larix kaempferi |
平均胸径 Mean DBH/cm | 区间Range | 5.0~29.1 | 5.0~32.5 | 5.2~26.2 | 5.5~27.3 |
平均值Mean | 12.8 (4.7) | 10.6 (4.7) | 11.3 (4.1) | 13.3 (4.8) | |
平均树高 Mean height/m | 区间Range | 4.1~24.0 | 3.3~22.8 | 3.2~17.4 | 4.0~23.5 |
平均值Mean | 12.0 (4.0) | 11.0 (4.0) | 8.5 (2.7) | 12.7 (4.7) | |
株数密度 Stem density/(trees·hm?2) | 区间Range | 217~3267 | 200~3150 | 210~3169 | 288~3122 |
平均值Mean | 1116 (607) | 1051 (637) | 1185 (644) | 1217 (700) | |
公顷蓄积量 Stand volume/(m3·hm?2) | 区间Range | 10.15~231.81 | 10.15~226.38 | 10.01~222.78 | 10.45~282.25 |
平均值Mean | 86.55 (51.37) | 57.56 (42.24) | 60.77 (48.60) | 88.99 (58.81) | |
总公顷生物量 Total stand biomass/(t·hm?2) | 区间Range | 8.15~169.30 | 8.04~172.89 | 8.03~177.49 | 8.26~162.13 |
平均值Mean | 56.65 (33.21) | 41.66 (30.52) | 47.38 (39.01) | 53.85 (30.95) | |
林龄 Stand age/a | 区间Range | 7~52 | 6~52 | 6~60 | 8~41 |
平均值Mean | 26 (10) | 25 (9) | 26 (9) | 22 (7) | |
净初级生产力 Net primary productivity/(t·hm?2a?1) | 区间Range | 1.74~14.26 | 1.03~12.00 | 1.36~12.66 | 2.23~15.33 |
平均值Mean | 7.96 (2.28) | 6.42 (2.40) | 6.33 (2.38) | 8.87 (2.70) |
表2
各落叶松树种立地等级划分及立地指数范围"
树种Tree species | 立地等级 Site level | 地位指数范围 Site index(SI) |
日本落叶松 Larix kaempferi | Ⅰ | 13.64 ≤ SI < 16.83 |
Ⅱ | 11.50 ≤ SI < 13.64 | |
Ⅲ | 8.26 ≤ SI < 11.50 | |
Ⅳ | 4.40 ≤ SI < 8.26 | |
华北落叶松 Larix principis-rupprechtii | Ⅰ | 9.02 ≤ SI < 13.14 |
Ⅱ | 7.37 ≤ SI < 9.02 | |
Ⅲ | 6.08 ≤ SI < 7.37 | |
Ⅳ | 3.15 ≤ SI < 6.08 | |
兴安落叶松 Larix gmelinii | Ⅰ | 11.17 ≤ SI < 20.08 |
Ⅱ | 9.03 ≤ SI < 11.17 | |
Ⅲ | 7.68 ≤ SI < 9.03 | |
Ⅳ | 2.49 ≤ SI < 7.68 | |
长白落叶松 Larix olgensis | Ⅰ | 12.76 ≤ SI < 18.23 |
Ⅱ | 10.00 ≤ SI < 12.76 | |
Ⅲ | 8.21 ≤ SI < 10.00 | |
Ⅳ | 3.06 ≤ SI < 8.21 |
表3
落叶松人工林3-PGmix模型参数"
参数Parameters | 符号Symbol | 单位Unit | 确定方法Methods |
当胸径为2 cm时的叶干质量比Foliage∶stem partitioning ratio @ D=2 cm | p2 | — | 拟合Fitted |
当胸径为20 cm时的叶干质量比Foliage∶stem partitioning ratio @ D=20 cm | p20 | — | 拟合Fitted |
干质量与胸径的关系常数Constant in the stem mass v. diam. relationship | aS | — | 拟合Fitted |
干质量与胸径的幂指数Power in the stem mass v. diam. relationship | nS | — | 拟合Fitted |
NPP分配到根的最大比例Maximum fraction of NPP to roots | ηRx | — | 拟合Fitted |
NPP分配到根的最小比例Minimum fraction of NPP to roots | ηRn | — | 拟合Fitted |
最大叶凋落速率Maximum litterfall rate | γFx | month?1 | 拟合Fitted |
叶凋落速率达1/2时林龄Age at which litterfall rate has median value | tγF | month | Xie et al. 2017 |
月均根周转率Average monthly root turnover rate | γR | month?1 | 优化Adjust |
叶子长出月If deciduous, leaves are produced at end of this month | leafP | month | 王战,1992 |
叶子脱落月If deciduous, leaves all fall at start of this month | leafL | month | 王战,1992 |
生长最低温度Minimum temperature for growth | Tmin | ℃ | 王战,1992 |
生长最适温度Optimum temperature for growth | Topt | ℃ | 王战,1992 |
生长最高温度Maximum temperature for growth | Tmax | ℃ | 王战,1992 |
最大林龄Maximum stand age used in age modifier | tx | a | Xie et al.2020a; 2020b |
林龄最大时死亡率Mortality rate for large age | γNx | %·a?1 | 拟合Fitted |
死亡率达到1/2时林龄Age at which mortality rate has median value | tγN | a | 拟合Fitted |
死亡率响应指数Shape of mortality response | nγN | — | 拟合Fitted |
当林分密度为1 000 株·hm?2时单株最大干质量Max. stem mass per tree @ 1 000 trees·hm?2 | wSx1 000 | kg·tree?1 | 实测Observed |
初期比叶面积Specific leaf area at age 0 | σ0 | m2·kg?1 | 实测Observed |
冠层量子效率Canopy quantum efficiency | αCx | mol·mol?1 | 优化Adjust |
茎高关系常数Constant in the stem height relationship | aH | — | 拟合Fitted |
胸径在茎高关系中的幂指数Power of DBH in the stem height relationship | nHB | — | 拟合Fitted |
竞争在茎高关系中的幂指数Power of competition in the stem height relationship | nHC | — | 拟合Fitted |
材积关系常数Constant in the stem volume relationship | aV | — | 拟合Fitted |
胸径在材积关系中的幂指数Power of DBH in the stem volume relationship | nVB | — | 拟合Fitted |
胸径的平方及树高在材积关系中的幂指数 Power of DBH2 and height in the stem volume relationship | nVH | — | 拟合Fitted |
胸径的平方×树高在材积关系中的幂指数 Power of DBH2×height in the stem volume relationship | nVBH | — | 拟合Fitted |
表4
各林分因子实测值与3-PGmix模型预测值的校准和验证"
林分因子 Stand factor | 统计量 Statistic | 校准 Calibration | 验证 Validation | |||||||
长白落叶松Larix olgensis | 兴安落叶松Larix gmelinii | 华北落叶松 Larix principis-rupprechtii | 日本落叶松Larix kaempferi | 长白落叶松Larix olgensis | 兴安落叶松Larix gmelinii | 华北落叶松 Larix principis-rupprechtii | 日本落叶松Larix kaempferi | |||
林分平均高 Average height | R2 | 0.84 | 0.82 | 0.74 | 0.94 | 0.76 | 0.79 | 0.71 | 0.90 | |
MAE/m | 1.17 | 1.49 | 1.08 | 1.04 | 1.43 | 1.61 | 1.22 | 1.21 | ||
MRE(%) | 1.69 | 7.64 | ?2.08 | 3.60 | 0.32 | 0.30 | ?1.93 | ?3.92 | ||
RMSE/m | 1.60 | 1.91 | 1.34 | 1.24 | 1.93 | 2.03 | 1.46 | 1.51 | ||
RRMSE(%) | 14.27 | 19.09 | 17.15 | 11.57 | 14.32 | 16.98 | 15.28 | 9.07 | ||
林分平均胸径 Average DBH | R2 | 0.84 | 0.89 | 0.78 | 0.93 | 0.79 | 0.88 | 0.73 | 0.90 | |
MAE/cm | 2.65 | 1.80 | 1.97 | 1.36 | 2.33 | 1.54 | 2.03 | 1.82 | ||
MRE(%) | 20.85 | 17.25 | 7.25 | 3.18 | 11.91 | 6.90 | ?4.52 | ?7.14 | ||
RMSE/cm | 3.18 | 2.18 | 2.83 | 1.65 | 2.94 | 1.97 | 3.58 | 2.50 | ||
RRMSE(%) | 26.90 | 24.69 | 27.62 | 15.73 | 20.52 | 17.85 | 28.17 | 14.76 | ||
林分公顷 蓄积量 Stand volume | R2 | 0.93 | 0.93 | 0.92 | 0.96 | 0.94 | 0.91 | 0.91 | 0.95 | |
MAE/(m3·hm?2) | 12.03 | 7.02 | 7.65 | 8.61 | 7.73 | 9.18 | 10.54 | 10.34 | ||
MRE(%) | 13.53 | 11.04 | 2.06 | 8.49 | 0.95 | 5.70 | 4.70 | ?4.56 | ||
RMSE/(m3·hm?2) | 17.07 | 10.62 | 12.43 | 11.44 | 12.00 | 14.88 | 16.74 | 13.11 | ||
RRMSE(%) | 21.88 | 28.54 | 26.96 | 17.71 | 12.55 | 27.02 | 25.32 | 10.01 | ||
叶公顷生物量 Foliage biomass | R2 | 0.85 | 0.78 | 0.78 | 0.91 | 0.77 | 0.84 | 0.70 | 0.90 | |
MAE/(t·hm?2) | 0.45 | 0.40 | 0.52 | 0.28 | 0.39 | 0.42 | 0.65 | 0.29 | ||
MRE(%) | ?11.45 | 1.68 | ?5.57 | ?3.74 | ?4.09 | 11.75 | 12.91 | 5.11 | ||
RMSE/(t·hm?2) | 0.59 | 0.54 | 0.70 | 0.37 | 0.56 | 0.61 | 1.01 | 0.34 | ||
RRMSE(%) | 23.96 | 28.68 | 32.61 | 13.05 | 17.76 | 31.04 | 40.58 | 11.51 | ||
干公顷生物量 Stem biomass | R2 | 0.86 | 0.92 | 0.93 | 0.95 | 0.80 | 0.93 | 0.94 | 0.94 | |
MAE/(t·hm?2) | 5.92 | 4.03 | 5.67 | 2.82 | 7.13 | 4.17 | 6.58 | 3.54 | ||
MRE(%) | 23.92 | 15.17 | 15.16 | 10.27 | 20.25 | 13.95 | 15.04 | 5.96 | ||
RMSE/(t·hm?2) | 7.85 | 6.03 | 8.50 | 3.62 | 10.03 | 6.74 | 10.21 | 5.26 | ||
RRMSE(%) | 34.78 | 32.84 | 32.23 | 16.64 | 33.45 | 27.29 | 27.41 | 13.82 | ||
根公顷生物量 Root biomass | R2 | 0.91 | 0.91 | 0.94 | 0.94 | 0.89 | 0.93 | 0.92 | 0.95 | |
MAE/(t·hm?2) | 3.57 | 1.90 | 1.54 | 2.28 | 3.83 | 2.24 | 2.05 | 2.29 | ||
MRE(%) | 10.56 | ?0.78 | ?8.11 | ?9.44 | 6.07 | 11.24 | 9.16 | 1.74 | ||
RMSE/(t·hm?2) | 5.19 | 2.73 | 2.21 | 2.92 | 5.87 | 3.55 | 3.08 | 2.84 | ||
RRMSE(%) | 21.82 | 25.44 | 23.42 | 17.44 | 17.79 | 26.40 | 25.08 | 9.76 | ||
总公顷生物量 Total biomass | R2 | 0.90 | 0.94 | 0.95 | 0.97 | 0.87 | 0.96 | 0.95 | 0.96 | |
MAE/(t·hm?2) | 9.74 | 4.62 | 5.73 | 3.86 | 10.85 | 6.04 | 8.54 | 6.24 | ||
MRE(%) | 19.08 | 8.78 | 8.28 | 4.40 | 15.55 | 12.90 | 13.86 | 6.78 | ||
RMSE/(t·hm?2) | 13.68 | 7.33 | 9.07 | 5.45 | 15.65 | 9.57 | 13.25 | 7.91 | ||
RRMSE(%) | 28.02 | 23.69 | 23.88 | 12.76 | 23.65 | 23.86 | 25.39 | 10.96 | ||
株数密度 Stem density | R2 | 0.78 | 0.91 | 0.75 | 0.93 | 0.76 | 0.81 | 0.77 | 0.84 | |
MAE/(trees·hm?2) | 247.02 | 84.77 | 186.02 | 153.54 | 183.11 | 78.73 | 210.26 | 106.62 | ||
MRE(%) | ?11.00 | 5.55 | 9.82 | ?7.04 | ?7.30 | 5.65 | 19.80 | ?3.20 | ||
RMSE/(trees·hm?2) | 348.02 | 237.93 | 367.87 | 218.21 | 278.26 | 237.18 | 354.61 | 153.79 | ||
RRMSE(%) | 29.01 | 20.81 | 29.61 | 15.99 | 29.98 | 32.07 | 36.31 | 19.83 | ||
净初级生产力 Net primary productivity | R2 | 0.80 | 0.80 | 0.82 | 0.87 | 0.73 | 0.86 | 0.86 | 0.84 | |
MAE/(t·hm?2a?1) | 1.11 | 1.69 | 1.64 | 1.24 | 0.93 | 1.40 | 1.19 | 1.02 | ||
MRE(%) | ?4.12 | ?23.04 | ?23.53 | ?10.28 | ?7.21 | ?19.03 | ?14.59 | ?7.10 | ||
RMSE/(t·hm?2a?1) | 1.55 | 2.26 | 2.16 | 1.76 | 1.44 | 1.95 | 1.55 | 1.56 | ||
RRMSE(%) | 20.57 | 37.93 | 35.81 | 19.98 | 16.85 | 32.62 | 24.85 | 17.33 |
表5
基于3-PGmix过程模型的华北落叶松生长过程表"
林龄 Stand age/a | 立地等级Site level | ||||||||||||||||||||||
Ⅰ(9.02 ≤ SI < 13.51, n=35) | Ⅱ(7.37 ≤ SI < 9.02, n=35) | ||||||||||||||||||||||
胸径 Diameter at breast height/cm | 树高 Height/ m | 株数 The number of trees/ (tree·hm?2) | 林分公顷蓄积 Stand volume/ (m3·hm?2) | 年均生长量 Mean annual increment of stand volume/ (m3·hm?2a?1) | 连年生长量 Current annual increment of stand volume/ (m3·hm?2a?1) | 公顷生 物量Biomass/ (t·hm?2) | 年均生长量Mean annual increment of biomass/ (t·hm?2a?1) | 连年生长量Current annual increment of biomass/ (t·hm?2a?1) | 枯死株数Number of dead trees/ (tree·hm?2) | 净初级生产力Net primary productivity/ (t·hm?2a?1) | 胸径 Diameter at breast height/cm | 树高 Height/ m | 株数 The number of trees/ (tree·hm?2) | 林分公顷蓄积 Stand volume/ (m3·hm?2) | 年均生长量 Mean annual increment of stand volume/ (m3·hm?2a?1) | 连年生长量 Current annual increment of stand volume/ (m3·hm?2a?1) | 公顷生 物量Biomass/ (t·hm?2) | 年均生长量Mean annual increment of biomass/ (t·hm?2a?1) | 连年生长量Current annual increment of biomass/ (t·hm?2a?1) | 枯死株数Number of dead trees/ (tree·hm?2) | 净初级生产力Net primary productivity/(t·hm?2a?1) | ||
5 | 1.29 | 2.81 | 3 129 | 2.39 | 0.48 | 1.62 | 2.27 | 0.45 | 1.48 | 51 | 2.16 | 0.80 | 2.20 | 3 129 | 0.62 | 0.13 | 0.46 | 0.77 | 0.15 | 0.52 | 51 | 0.43 | |
10 | 4.62 | 5.62 | 2 802 | 28.16 | 2.82 | 6.83 | 23.64 | 2.36 | 5.41 | 85 | 11.39 | 3.30 | 4.67 | 2 821 | 12.90 | 1.32 | 4.01 | 11.77 | 1.18 | 3.24 | 66 | 4.79 | |
15 | 7.48 | 7.28 | 2 324 | 59.78 | 3.99 | 6.21 | 46.22 | 3.08 | 4.22 | 104 | 13.60 | 5.56 | 6.17 | 2 477 | 35.49 | 2.42 | 4.97 | 27.62 | 1.84 | 3.16 | 69 | 7.61 | |
20 | 10.31 | 8.62 | 1 835 | 86.50 | 4.32 | 4.59 | 63.10 | 3.16 | 2.69 | 94 | 12.37 | 7.48 | 7.23 | 2 133 | 58.81 | 3.00 | 4.44 | 41.04 | 2.05 | 2.30 | 71 | 7.98 | |
25 | 13.69 | 9.99 | 1 332 | 108.72 | 4.35 | 4.24 | 77.57 | 3.10 | 2.75 | 91 | 12.80 | 9.48 | 8.18 | 1 741 | 79.56 | 3.25 | 3.83 | 52.30 | 2.09 | 1.95 | 85 | 8.26 | |
30 | 17.31 | 11.30 | 997 | 128.82 | 4.29 | 3.85 | 90.51 | 3.02 | 2.46 | 57 | 11.86 | 11.73 | 9.14 | 1 357 | 96.60 | 3.28 | 3.21 | 61.25 | 2.04 | 1.61 | 67 | 7.70 | |
35 | 21.16 | 12.57 | 763 | 147.93 | 4.23 | 3.77 | 103.01 | 2.94 | 2.45 | 40 | 11.33 | 14.11 | 10.06 | 1 066 | 111.97 | 3.26 | 2.97 | 69.44 | 1.98 | 1.55 | 52 | 8.06 | |
40 | 25.08 | 13.74 | 600 | 165.77 | 4.14 | 3.52 | 114.80 | 2.87 | 2.38 | 29 | 10.75 | 16.53 | 10.93 | 853 | 125.96 | 3.20 | 2.80 | 77.04 | 1.93 | 1.56 | 38 | 7.62 | |
45 | 28.83 | 14.80 | 487 | 181.67 | 4.04 | 3.12 | 124.90 | 2.78 | 2.00 | 20 | 9.54 | 18.83 | 11.71 | 700 | 138.11 | 3.12 | 2.37 | 83.23 | 1.85 | 1.24 | 27 | 6.73 | |
50 | 32.38 | 15.74 | 404 | 195.16 | 3.90 | 2.35 | 133.09 | 2.66 | 1.34 | 15 | 7.83 | 21.03 | 12.42 | 583 | 148.09 | 3.01 | 1.74 | 88.05 | 1.76 | 0.76 | 21 | 5.58 | |
55 | 35.88 | 16.63 | 338 | 206.17 | 3.75 | 1.97 | 139.89 | 2.54 | 1.19 | 12 | 7.20 | 23.21 | 13.08 | 487 | 155.81 | 2.88 | 1.35 | 91.85 | 1.67 | 0.62 | 18 | 4.99 | |
60 | 39.44 | 17.49 | 282 | 214.32 | 3.57 | 1.37 | 144.82 | 2.41 | 0.81 | 10 | 6.18 | 25.42 | 13.72 | 407 | 161.11 | 2.73 | 0.85 | 94.32 | 1.57 | 0.35 | 15 | 4.12 | |
65 | 43.11 | 18.34 | 236 | 220.22 | 3.39 | 1.04 | 148.45 | 2.28 | 0.63 | 9 | 5.52 | 27.69 | 14.36 | 340 | 164.53 | 2.57 | 0.54 | 95.91 | 1.48 | 0.24 | 12 | 3.73 | |
70 | 46.92 | 19.19 | 197 | 223.97 | 3.20 | 0.63 | 150.86 | 2.16 | 0.43 | 7 | 4.89 | 30.03 | 14.99 | 284 | 166.24 | 2.41 | 0.25 | 96.70 | 1.38 | 0.14 | 10 | 3.26 | |
75 | 50.82 | 20.02 | 164 | 225.25 | 3.00 | 0.14 | 151.58 | 2.02 | 0.08 | 6 | 4.04 | 32.42 | 15.60 | 237 | 166.11 | 2.25 | ?0.13 | 96.40 | 1.29 | ?0.09 | 9 | 2.63 | |
80 | 54.81 | 20.85 | 137 | 224.24 | 2.80 | ?0.44 | 150.75 | 1.88 | ?0.35 | 5 | 3.04 | 34.85 | 16.21 | 198 | 164.37 | 2.08 | ?0.51 | 95.22 | 1.19 | ?0.34 | 7 | 1.91 | |
85 | 58.90 | 21.67 | 114 | 221.42 | 2.60 | ?0.70 | 148.87 | 1.75 | ?0.47 | 4 | 2.54 | 37.35 | 16.82 | 165 | 161.34 | 1.93 | ?0.71 | 93.45 | 1.10 | ?0.41 | 6 | 1.49 | |
90 | 63.13 | 22.48 | 95 | 217.13 | 2.41 | ?0.97 | 146.06 | 1.62 | ?0.64 | 4 | 1.96 | 39.91 | 17.42 | 137 | 157.33 | 1.77 | ?0.89 | 91.18 | 1.01 | ?0.50 | 5 | 1.08 |
表6
基于3-PGmix过程模型的兴安落叶松生长过程表"
林龄 Stand age/a | 立地等级Site level | ||||||||||||||||||||||
Ⅰ(11.17 ≤ SI < 20.08, n=47) | Ⅱ(9.03 ≤ SI < 11.17, n=47) | ||||||||||||||||||||||
胸径 Diameter at breast height/cm | 树高 Height/ m | 株数 The number of trees/ (tree·hm?2) | 林分公顷蓄积 Stand volume/ (m3·hm?2) | 年均生长量 Mean annual increment of stand volume/ (m3·hm?2a?1) | 连年生长量 Current annual increment of stand volume/ (m3·hm?2a?1) | 公顷生 物量Biomass/ (t·hm?2) | 年均生长量Mean annual increment of biomass/ (t·hm?2a?1) | 连年生长量Current annual increment of biomass/ (t·hm?2a?1) | 枯死株数Number of dead trees/ (tree·hm?2) | 净初级生产力Net primary productivity/(t·hm?2a?1) | 胸径 Diameter at breast height/cm | 树高 Height/ m | 株数 The number of trees/ (tree·hm?2) | 林分公顷蓄积 Stand volume/ (m3·hm?2) | 年均生长量 Mean annual increment of stand volume/ (m3·hm?2a?1) | 连年生长量 Current annual increment of stand volume/ (m3·hm?2a?1) | 公顷生 物量Biomass/ (t·hm?2) | 年均生长量Mean annual increment of biomass/ (t·hm?2a?1) | 连年生长量Current annual increment of biomass/ (t·hm?2a?1) | 枯死株数Number of dead trees/ (tree·hm?2) | 净初级生产力Net primary productivity/(t·hm?2a?1) | ||
5 | 0.72 | 1.82 | 3 146 | 0.42 | 0.12 | 0.44 | 1.26 | 0.25 | 0.12 | 45 | 1.23 | 0.46 | 1.32 | 3 146 | 0.14 | 0.03 | 0.08 | 0.61 | 0.12 | 0.03 | 45 | 0.68 | |
10 | 2.99 | 4.91 | 2 876 | 9.81 | 1.09 | 3.10 | 15.67 | 1.57 | 1.09 | 58 | 8.26 | 2.13 | 3.77 | 2 876 | 5.09 | 0.48 | 1.13 | 9.93 | 0.99 | 0.48 | 58 | 6.61 | |
15 | 4.95 | 7.07 | 2 564 | 28.18 | 2.01 | 4.15 | 33.59 | 2.24 | 2.01 | 66 | 11.23 | 3.82 | 5.81 | 2 577 | 17.82 | 1.13 | 1.98 | 23.08 | 1.54 | 1.13 | 60 | 10.29 | |
20 | 6.59 | 8.68 | 2 242 | 48.12 | 2.56 | 4.14 | 47.15 | 2.36 | 2.56 | 62 | 10.83 | 5.31 | 7.46 | 2 270 | 33.92 | 1.65 | 2.34 | 33.31 | 1.67 | 1.65 | 60 | 10.64 | |
25 | 8.38 | 10.25 | 1 885 | 69.43 | 2.98 | 4.67 | 59.91 | 2.40 | 2.98 | 72 | 11.54 | 6.78 | 9.00 | 1 974 | 52.41 | 2.12 | 2.94 | 42.91 | 1.72 | 2.12 | 58 | 11.53 | |
30 | 10.22 | 11.74 | 1 566 | 89.45 | 3.22 | 4.52 | 69.49 | 2.32 | 3.22 | 60 | 10.66 | 8.19 | 10.40 | 1 700 | 70.67 | 2.47 | 3.12 | 49.86 | 1.66 | 2.47 | 54 | 10.75 | |
35 | 12.22 | 13.25 | 1 292 | 109.72 | 3.41 | 4.58 | 78.49 | 2.24 | 3.41 | 51 | 10.24 | 9.71 | 11.80 | 1 440 | 89.63 | 2.79 | 3.39 | 56.43 | 1.61 | 2.79 | 49 | 10.27 | |
40 | 14.36 | 14.79 | 1 062 | 129.93 | 3.55 | 4.41 | 86.83 | 2.17 | 3.55 | 40 | 9.67 | 11.29 | 13.19 | 1 217 | 108.43 | 3.07 | 3.51 | 62.22 | 1.56 | 3.07 | 41 | 9.69 | |
45 | 16.46 | 16.24 | 887 | 149.01 | 3.64 | 4.22 | 93.77 | 2.08 | 3.64 | 31 | 8.88 | 12.80 | 14.50 | 1 040 | 126.28 | 3.30 | 3.59 | 66.78 | 1.48 | 3.30 | 32 | 8.71 | |
50 | 18.39 | 17.55 | 756 | 165.96 | 3.67 | 3.58 | 98.79 | 1.98 | 3.67 | 23 | 7.27 | 14.19 | 15.69 | 899 | 142.05 | 3.47 | 3.32 | 69.67 | 1.39 | 3.47 | 26 | 7.02 | |
55 | 20.31 | 18.82 | 650 | 182.34 | 3.68 | 3.69 | 104.00 | 1.89 | 3.68 | 20 | 7.00 | 15.54 | 16.84 | 781 | 156.91 | 3.62 | 3.57 | 72.60 | 1.32 | 3.62 | 22 | 6.52 | |
60 | 22.11 | 19.99 | 564 | 196.38 | 3.64 | 3.16 | 107.46 | 1.79 | 3.64 | 16 | 5.95 | 16.85 | 17.94 | 678 | 169.39 | 3.72 | 3.36 | 74.06 | 1.23 | 3.72 | 19 | 5.41 | |
65 | 23.94 | 21.16 | 489 | 208.96 | 3.59 | 2.82 | 110.32 | 1.70 | 3.59 | 14 | 5.30 | 18.19 | 19.03 | 589 | 180.83 | 3.80 | 3.32 | 75.29 | 1.16 | 3.80 | 17 | 4.67 | |
70 | 25.82 | 22.33 | 425 | 220.08 | 3.52 | 2.33 | 112.57 | 1.61 | 3.52 | 12 | 4.68 | 19.54 | 20.12 | 512 | 190.76 | 3.86 | 3.11 | 76.00 | 1.09 | 3.86 | 15 | 4.00 | |
75 | 27.71 | 23.48 | 369 | 228.79 | 3.42 | 1.85 | 113.52 | 1.51 | 3.42 | 11 | 3.98 | 20.88 | 21.19 | 444 | 198.74 | 3.89 | 2.89 | 75.88 | 1.01 | 3.89 | 13 | 3.26 | |
80 | 29.57 | 24.59 | 320 | 234.62 | 3.30 | 1.13 | 112.95 | 1.41 | 3.30 | 9 | 2.97 | 22.21 | 22.23 | 385 | 204.39 | 3.89 | 2.42 | 74.86 | 0.94 | 3.89 | 11 | 2.34 | |
85 | 31.45 | 25.70 | 278 | 238.78 | 3.17 | 0.89 | 112.00 | 1.32 | 3.17 | 8 | 2.55 | 23.55 | 23.27 | 334 | 208.52 | 3.86 | 2.32 | 73.66 | 0.87 | 3.86 | 10 | 1.90 | |
90 | 33.33 | 26.79 | 241 | 240.64 | 3.02 | 0.40 | 110.03 | 1.22 | 3.02 | 7 | 1.90 | 24.89 | 24.29 | 290 | 210.82 | 3.81 | 1.98 | 71.95 | 0.80 | 3.81 | 8 | 1.35 |
表7
基于3-PGmix过程模型的长白落叶松生长过程表"
林龄 Stand age/a | 立地等级Site level | ||||||||||||||||||||||
Ⅰ(12.76 ≤ SI < 18.23, n=47) | Ⅱ(10.00 ≤ SI < 12.76, n=47) | ||||||||||||||||||||||
胸径 Diameter at breast height/cm | 树高 Height/ m | 株数 The number of trees/ (tree·hm?2) | 林分公顷蓄积 Stand volume/ (m3·hm?2) | 年均生长量 Mean annual increment of stand volume/ (m3·hm?2a?1) | 连年生长量 Current annual increment of stand volume/ (m3·hm?2a?1) | 公顷生 物量Biomass/ (t·hm?2) | 年均生长量Mean annual increment of biomass/ (t·hm?2a?1) | 连年生长量Current annual increment of biomass/ (t·hm?2a?1) | 枯死株数Number of dead trees/ (tree·hm?2) | 净初级生产力Net primary productivity/ (t·hm?2a?1) | 胸径 Diameter at breast height/cm | 树高 Height/ m | 株数 The number of trees/ (tree·hm?2) | 林分公顷蓄积 Stand volume/ (m3·hm?2) | 年均生长量 Mean annual increment of stand volume/ (m3·hm?2a?1) | 连年生长量 Current annual increment of stand volume/ (m3·hm?2a?1) | 公顷生 物量Biomass/ (t·hm?2) | 年均生长量Mean annual increment of biomass/ (t·hm?2a?1) | 连年生长量Current annual increment of biomass/ (t·hm?2a?1) | 枯死株数Number of dead trees/ (tree·hm?2) | 净初级生产力Net primary productivity/ (t·hm?2a?1) | ||
5 | 0.74 | 3.52 | 3 169 | 0.86 | 0.21 | 0.62 | 3.56 | 0.71 | 2.14 | 50 | 3.09 | 0.55 | 2.88 | 3 169 | 0.48 | 0.12 | 0.33 | 2.18 | 0.44 | 1.28 | 50 | 1.94 | |
10 | 3.26 | 6.87 | 2 890 | 17.06 | 1.87 | 4.76 | 27.46 | 2.75 | 5.63 | 61 | 11.31 | 2.54 | 5.76 | 2 890 | 10.45 | 1.17 | 3.24 | 19.65 | 1.97 | 4.42 | 61 | 8.86 | |
15 | 5.33 | 8.90 | 2 568 | 41.65 | 2.97 | 4.71 | 53.21 | 3.55 | 5.09 | 68 | 13.61 | 4.37 | 7.63 | 2 580 | 28.75 | 2.10 | 3.80 | 41.41 | 2.76 | 4.45 | 62 | 11.75 | |
20 | 7.18 | 10.58 | 2 206 | 65.20 | 3.45 | 4.46 | 73.82 | 3.69 | 3.57 | 80 | 12.27 | 5.92 | 9.00 | 2 276 | 47.71 | 2.58 | 3.78 | 59.68 | 2.98 | 3.17 | 59 | 10.95 | |
25 | 9.26 | 12.44 | 1 797 | 86.87 | 3.67 | 4.46 | 93.40 | 3.74 | 3.79 | 81 | 13.16 | 7.38 | 10.27 | 1 986 | 66.07 | 2.85 | 4.03 | 77.66 | 3.11 | 3.53 | 58 | 11.88 | |
30 | 11.68 | 14.38 | 1 437 | 106.85 | 3.76 | 4.18 | 110.70 | 3.69 | 3.58 | 65 | 12.72 | 8.96 | 11.57 | 1 691 | 83.78 | 3.01 | 3.86 | 93.24 | 3.11 | 3.15 | 62 | 11.56 | |
35 | 14.34 | 16.35 | 1 156 | 126.20 | 3.81 | 4.13 | 126.81 | 3.62 | 3.37 | 48 | 12.34 | 10.77 | 12.97 | 1 392 | 100.28 | 3.10 | 3.63 | 106.82 | 3.05 | 2.85 | 53 | 11.35 | |
40 | 17.34 | 18.44 | 933 | 146.06 | 3.87 | 4.16 | 142.96 | 3.57 | 3.10 | 37 | 11.71 | 12.83 | 14.47 | 1 142 | 116.86 | 3.18 | 3.55 | 120.09 | 3.00 | 2.46 | 44 | 10.85 | |
45 | 20.39 | 20.46 | 767 | 164.69 | 3.89 | 3.77 | 157.47 | 3.50 | 2.97 | 29 | 11.37 | 14.98 | 15.95 | 940 | 131.76 | 3.20 | 3.19 | 131.46 | 2.92 | 2.34 | 35 | 10.57 | |
50 | 23.41 | 22.32 | 642 | 182.09 | 3.88 | 3.56 | 169.57 | 3.39 | 2.13 | 20 | 9.43 | 17.12 | 17.31 | 787 | 145.61 | 3.20 | 3.00 | 140.57 | 2.81 | 1.51 | 25 | 8.71 | |
55 | 26.38 | 24.16 | 545 | 198.13 | 3.85 | 3.67 | 181.61 | 3.30 | 2.39 | 17 | 9.40 | 19.23 | 18.65 | 669 | 158.43 | 3.18 | 3.08 | 149.64 | 2.72 | 1.80 | 21 | 8.74 | |
60 | 29.39 | 25.93 | 466 | 213.29 | 3.81 | 3.38 | 192.28 | 3.20 | 2.19 | 14 | 8.67 | 21.36 | 19.94 | 574 | 170.59 | 3.15 | 2.84 | 157.46 | 2.62 | 1.62 | 18 | 8.02 | |
65 | 32.43 | 27.68 | 401 | 227.09 | 3.76 | 3.02 | 201.39 | 3.10 | 1.87 | 12 | 8.05 | 23.54 | 21.22 | 493 | 181.72 | 3.11 | 2.56 | 164.03 | 2.52 | 1.37 | 15 | 7.47 | |
70 | 35.64 | 29.48 | 345 | 240.16 | 3.70 | 2.79 | 209.79 | 3.00 | 1.49 | 10 | 7.34 | 25.86 | 22.55 | 424 | 192.35 | 3.07 | 2.37 | 170.09 | 2.43 | 1.05 | 13 | 6.82 | |
75 | 38.92 | 31.27 | 296 | 250.74 | 3.62 | 2.13 | 215.88 | 2.88 | 1.17 | 9 | 6.79 | 28.22 | 23.87 | 365 | 201.11 | 3.01 | 1.86 | 174.28 | 2.32 | 0.82 | 11 | 6.31 | |
80 | 42.27 | 33.05 | 255 | 258.82 | 3.52 | 1.63 | 219.07 | 2.74 | 0.33 | 8 | 5.31 | 30.65 | 25.18 | 314 | 207.92 | 2.92 | 1.43 | 176.08 | 2.20 | 0.07 | 9 | 4.91 | |
85 | 45.69 | 34.85 | 219 | 264.37 | 3.39 | 1.39 | 221.01 | 2.60 | 0.30 | 7 | 4.91 | 33.12 | 26.50 | 270 | 212.78 | 2.82 | 1.22 | 177.00 | 2.08 | 0.11 | 8 | 4.57 | |
90 | 49.22 | 36.67 | 188 | 268.08 | 3.26 | 0.90 | 221.15 | 2.46 | ?0.02 | 6 | 4.16 | 35.67 | 27.83 | 232 | 216.19 | 2.72 | 0.83 | 176.48 | 1.96 | ?0.13 | 7 | 3.86 |
表8
基于3-PGmix过程模型的日本落叶松生长过程表"
林龄 Stand age/a | 立地等级Site level | ||||||||||||||||||||||
I(13.64 ≤ SI < 16.83, n=10) | Ⅱ(11.50 ≤ SI < 13.64, n=9) | ||||||||||||||||||||||
胸径 Diameter at breast height/cm | 树高 Height/ m | 株数 The number of trees/ (tree·hm?2) | 林分公顷蓄积 Stand volume/ (m3·hm?2) | 年均生长量 Mean annual increment of stand volume/ (m3·hm?2a?1) | 连年生长量 Current annual increment of stand volume/ (m3·hm?2a?1) | 公顷生 物量Biomass/ (t·hm?2) | 年均生长量Mean annual increment of biomass/ (t·hm?2a?1) | 连年生长量Current annual increment of biomass/ (t·hm?2a?1) | 枯死株数Number of dead trees/ (tree·hm?2) | 净初级生产力Net primary productivity/ (t·hm?2a?1) | 胸径 Diameter at breast height/cm | 树高 Height/ m | 株数 The number of trees/ (tree·hm?2) | 林分公顷蓄积 Stand volume/ (m3·hm?2) | 年均生长量 Mean annual increment of stand volume/ (m3·hm?2a?1) | 连年生长量 Current annual increment of stand volume/ (m3·hm?2a?1) | 公顷生物量Biomass/ (t·hm?2) | 年均生长量Mean annual increment of biomass/ (t·hm?2a?1) | 连年生长量Current annual increment of biomass/ (t·hm?2a?1) | 枯死株数Number of dead trees/ (tree·hm?2) | 净初级生产力Net primary productivity/ (t·hm?2a?1) | ||
5 | 1.08 | 1.62 | 3 110 | 0.73 | 0.35 | 1.10 | 3.45 | 0.87 | 2.35 | 55 | 4.43 | 0.99 | 1.52 | 3 110 | 1.23 | 0.19 | 1.09 | 3.60 | 0.52 | 2.49 | 55 | 2.75 | |
10 | 4.99 | 5.75 | 2 784 | 21.12 | 3.38 | 8.02 | 32.08 | 3.80 | 6.53 | 70 | 16.02 | 3.87 | 4.66 | 2 784 | 23.47 | 2.49 | 8.30 | 34.90 | 2.84 | 7.13 | 70 | 12.98 | |
15 | 8.18 | 8.67 | 2 183 | 58.55 | 5.73 | 10.70 | 60.29 | 4.62 | 5.51 | 157 | 18.03 | 6.49 | 7.12 | 2 421 | 59.06 | 4.49 | 10.83 | 65.21 | 3.68 | 5.56 | 79 | 15.37 | |
20 | 11.42 | 11.40 | 1 599 | 99.20 | 7.22 | 9.94 | 80.70 | 4.57 | 3.24 | 87 | 15.01 | 9.67 | 9.83 | 1 922 | 99.20 | 5.71 | 10.49 | 85.96 | 3.70 | 3.33 | 93 | 13.19 | |
25 | 15.33 | 14.49 | 1 189 | 147.55 | 8.62 | 13.13 | 100.75 | 4.53 | 3.78 | 78 | 15.82 | 13.55 | 12.92 | 1 491 | 148.15 | 6.80 | 13.79 | 105.99 | 3.68 | 3.69 | 81 | 13.83 | |
30 | 19.80 | 17.84 | 835 | 201.22 | 9.85 | 14.98 | 118.72 | 4.44 | 3.48 | 59 | 14.66 | 18.12 | 16.43 | 1 151 | 202.82 | 7.72 | 15.44 | 122.85 | 3.56 | 3.33 | 69 | 12.91 | |
35 | 24.68 | 21.37 | 624 | 256.84 | 10.81 | 15.51 | 133.64 | 4.27 | 3.06 | 36 | 13.75 | 22.83 | 19.89 | 876 | 259.85 | 8.45 | 16.00 | 137.20 | 3.42 | 2.94 | 48 | 12.07 | |
40 | 29.96 | 25.05 | 483 | 317.84 | 11.69 | 15.44 | 148.22 | 4.14 | 2.62 | 23 | 12.23 | 27.79 | 23.42 | 686 | 320.81 | 9.13 | 15.73 | 150.92 | 3.29 | 2.41 | 32 | 10.80 | |
45 | 35.02 | 28.47 | 392 | 376.41 | 12.28 | 15.52 | 160.04 | 3.96 | 2.37 | 16 | 11.12 | 32.44 | 26.63 | 558 | 378.43 | 9.59 | 15.47 | 161.48 | 3.14 | 2.10 | 23 | 9.83 | |
50 | 39.78 | 31.62 | 326 | 427.82 | 12.54 | 11.56 | 167.77 | 3.73 | 0.90 | 12 | 8.22 | 36.76 | 29.54 | 464 | 428.60 | 9.79 | 11.47 | 167.78 | 2.94 | 0.61 | 17 | 7.30 | |
55 | 44.73 | 34.83 | 272 | 476.17 | 12.64 | 11.96 | 173.64 | 3.50 | 0.97 | 10 | 7.65 | 41.23 | 32.48 | 387 | 474.28 | 9.87 | 11.59 | 172.10 | 2.75 | 0.66 | 14 | 6.81 | |
60 | 49.91 | 38.13 | 226 | 519.98 | 12.60 | 10.91 | 177.11 | 3.26 | 0.58 | 8 | 6.42 | 45.87 | 35.49 | 322 | 514.25 | 9.84 | 10.35 | 174.04 | 2.56 | 0.26 | 12 | 5.74 | |
65 | 55.28 | 41.48 | 189 | 557.02 | 12.41 | 9.12 | 177.90 | 3.02 | 0.10 | 7 | 5.43 | 50.66 | 38.53 | 268 | 547.08 | 9.69 | 8.53 | 173.36 | 2.36 | ?0.18 | 10 | 4.84 | |
70 | 60.97 | 44.97 | 157 | 590.42 | 12.15 | 7.37 | 177.47 | 2.78 | ?0.31 | 6 | 4.37 | 55.69 | 41.68 | 223 | 575.36 | 9.49 | 6.72 | 171.57 | 2.17 | ?0.56 | 8 | 3.91 | |
75 | 66.84 | 48.50 | 130 | 616.24 | 11.79 | 5.94 | 174.85 | 2.55 | ?0.59 | 5 | 3.53 | 60.88 | 44.88 | 186 | 596.34 | 9.21 | 5.20 | 167.79 | 1.99 | ?0.81 | 7 | 3.16 | |
80 | 72.84 | 52.07 | 108 | 633.72 | 11.33 | 3.17 | 170.14 | 2.32 | ?1.17 | 4 | 2.28 | 66.19 | 48.11 | 154 | 609.98 | 8.85 | 2.60 | 162.24 | 1.81 | ?1.30 | 6 | 2.04 | |
85 | 79.10 | 55.72 | 90 | 645.82 | 10.84 | 2.43 | 164.58 | 2.11 | ?1.18 | 3 | 1.80 | 71.74 | 51.44 | 128 | 618.64 | 8.46 | 1.84 | 156.09 | 1.64 | ?1.27 | 5 | 1.61 | |
90 | 85.63 | 59.49 | 75 | 653.12 | 10.33 | 1.37 | 158.35 | 1.91 | ?1.27 | 3 | 1.26 | 77.53 | 54.86 | 107 | 623.03 | 8.06 | 0.84 | 149.56 | 1.49 | ?1.31 | 4 | 1.13 |
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