植物生态学报 ›› 2017, Vol. 41 ›› Issue (1): 115-125.DOI: 10.17521/cjpe.2016.0131
所属专题: 中国灌丛生态系统碳储量的研究
收稿日期:
2016-04-11
接受日期:
2016-07-23
出版日期:
2017-01-10
发布日期:
2017-01-23
通讯作者:
胡会峰
作者简介:
* 通信作者Author for correspondence (E-mail:基金资助:
Yong-Kai LUO1,2, Jing-Yun FANG1, Hui-Feng HU1,*()
Received:
2016-04-11
Accepted:
2016-07-23
Online:
2017-01-10
Published:
2017-01-23
Contact:
Hui-Feng HU
About author:
KANG Jing-yao(1991-), E-mail: 摘要:
灌木生物量模型是估算灌木生物量的重要方法, 而灌木生物量在各器官间的分配是其适应周围环境的重要体现。基于对山西芦芽山地区14种常见灌木的各器官(根、茎和叶)、地上和总生物量, 以及基径、树高、冠幅的测定, 建立了各器官、地上及总生物量的最优估算模型, 探究了各器官生物量与总生物量(如叶质比、茎质比及根质比)及地上-地下生物量(根冠比)的关系。结果表明: (1)总体而言, 幂函数和线性函数对这些灌木生物量的估测效果较好。(2)生长低矮、分枝数多的灌木种采用冠幅面积估测生物量效果较好; 生长直立或分枝数少的灌木种采用总基径的平方与茎干高度乘积估测生物量效果较好; 其他介于两者之间的灌木种采用冠幅体积估测生物量效果较好。(3) 14种灌木的平均根冠比是0.61, 叶质比0.17, 茎质比0.48, 根质比0.35; 此外, 带刺灌木种除叶质比显著大于不带刺灌木种外, 茎质比、根质比和根冠比都显著小于不带刺灌木种。
罗永开, 方精云, 胡会峰. 山西芦芽山14种常见灌木生物量模型及生物量分配. 植物生态学报, 2017, 41(1): 115-125. DOI: 10.17521/cjpe.2016.0131
Yong-Kai LUO, Jing-Yun FANG, Hui-Feng HU. Biomass estimation models and allocation patterns of 14 shrub species in Mountain Luya, Shanxi, China. Chinese Journal of Plant Ecology, 2017, 41(1): 115-125. DOI: 10.17521/cjpe.2016.0131
物种 Species | 经度 Longitude (E) | 纬度 Latitude (N) | 海拔 Elevation (m) | 科 Family | 属 Genus | 是否带刺 Thorn |
---|---|---|---|---|---|---|
沙棘 Hippophae rhamnoides | 112.01° | 38.68° | 1 499.8 | 胡颓子科 Elaeagnaceae | 沙棘属 Hippophae | 是 Yes |
三裂绣线菊 Spiraea trilobata | 111.99° | 38.69° | 1 535.6 | 蔷薇科 Rosaceae | 绣线菊属 Spiraea | 否 No |
黄刺玫 Rosa xanthina | 111.99° | 38.69° | 1 535.6 | 蔷薇科 Rosaceae | 蔷薇属 Rosa | 是 Yes |
虎榛子 Ostryopsis davidiana | 111.99° | 38.69° | 1 535.6 | 桦木科 Betulaceae | 虎榛子属 Ostryopsis | 否 No |
榛 Corylus heterophylla | 111.99° | 38.69° | 1 535.6 | 桦木科 Betulaceae | 榛属 Corylus | 否 No |
土庄绣线菊 Spiraea pubescens | 111.98° | 38.72° | 1 659.9 | 蔷薇科 Rosaceae | 绣线菊属 Spiraea | 否 No |
金花忍冬 Lonicera chrysantha | 111.92° | 38.65° | 1 778.4 | 忍冬科 Caprifoliaceae | 忍冬属 Lonicera | 否 No |
蒙古荚蒾 Viburnum mongolicum | 111.92° | 38.65° | 1 780.0 | 忍冬科 Caprifoliaceae | 荚迷属 Viburnum | 否 No |
唐古特忍冬 Lonicera tangutica | 111.92° | 38.65° | 1 780.0 | 忍冬科 Caprifoliaceae | 忍冬属 Lonicera | 否 No |
复盆子 Rubus idaeus | 111.92° | 38.65° | 1 780.0 | 蔷薇科 Rosaceae | 悬钩子属 Rubus | 是 Yes |
银露梅 Potentilla glabra | 111.96° | 38.72° | 1 812.2 | 蔷薇科 Rosaceae | 委陵菜属 Potentilla | 否 No |
山刺玫 Rosa davurica | 111.95° | 38.71° | 1 874.3 | 蔷薇科 Rosaceae | 蔷薇属 Rosa | 是 Yes |
刺果茶藨子 Ribes burejense | 111.95° | 38.71° | 1 891.1 | 虎耳草科 Saxifragaceae | 茶藨子属 Ribes | 是 Yes |
鬼箭锦鸡儿 Caragana jubata | 111.86° | 38.73° | 2 602.2 | 豆科 Leguminosae | 锦鸡儿属 Caragana | 是 Yes |
表1 芦芽山14种灌木调查基本信息表
Table 1 The basic information of 14 shrub species in Mountain Luya
物种 Species | 经度 Longitude (E) | 纬度 Latitude (N) | 海拔 Elevation (m) | 科 Family | 属 Genus | 是否带刺 Thorn |
---|---|---|---|---|---|---|
沙棘 Hippophae rhamnoides | 112.01° | 38.68° | 1 499.8 | 胡颓子科 Elaeagnaceae | 沙棘属 Hippophae | 是 Yes |
三裂绣线菊 Spiraea trilobata | 111.99° | 38.69° | 1 535.6 | 蔷薇科 Rosaceae | 绣线菊属 Spiraea | 否 No |
黄刺玫 Rosa xanthina | 111.99° | 38.69° | 1 535.6 | 蔷薇科 Rosaceae | 蔷薇属 Rosa | 是 Yes |
虎榛子 Ostryopsis davidiana | 111.99° | 38.69° | 1 535.6 | 桦木科 Betulaceae | 虎榛子属 Ostryopsis | 否 No |
榛 Corylus heterophylla | 111.99° | 38.69° | 1 535.6 | 桦木科 Betulaceae | 榛属 Corylus | 否 No |
土庄绣线菊 Spiraea pubescens | 111.98° | 38.72° | 1 659.9 | 蔷薇科 Rosaceae | 绣线菊属 Spiraea | 否 No |
金花忍冬 Lonicera chrysantha | 111.92° | 38.65° | 1 778.4 | 忍冬科 Caprifoliaceae | 忍冬属 Lonicera | 否 No |
蒙古荚蒾 Viburnum mongolicum | 111.92° | 38.65° | 1 780.0 | 忍冬科 Caprifoliaceae | 荚迷属 Viburnum | 否 No |
唐古特忍冬 Lonicera tangutica | 111.92° | 38.65° | 1 780.0 | 忍冬科 Caprifoliaceae | 忍冬属 Lonicera | 否 No |
复盆子 Rubus idaeus | 111.92° | 38.65° | 1 780.0 | 蔷薇科 Rosaceae | 悬钩子属 Rubus | 是 Yes |
银露梅 Potentilla glabra | 111.96° | 38.72° | 1 812.2 | 蔷薇科 Rosaceae | 委陵菜属 Potentilla | 否 No |
山刺玫 Rosa davurica | 111.95° | 38.71° | 1 874.3 | 蔷薇科 Rosaceae | 蔷薇属 Rosa | 是 Yes |
刺果茶藨子 Ribes burejense | 111.95° | 38.71° | 1 891.1 | 虎耳草科 Saxifragaceae | 茶藨子属 Ribes | 是 Yes |
鬼箭锦鸡儿 Caragana jubata | 111.86° | 38.73° | 2 602.2 | 豆科 Leguminosae | 锦鸡儿属 Caragana | 是 Yes |
物种名 Species | 最佳方程 Best model | 最佳变量 Best variable | 参数a Parameter variable a | 参数b Parameter variable b | 平均预估误差Mean prediction error (MPE) (%) | 估计值的标准误差 Standard error of estimate (SEE) | R2 | p |
---|---|---|---|---|---|---|---|---|
沙棘 Hippophae rhamnoides | WTotal = aDt2H + b | Dt2H | 0.002 0 | 52.34 | 15.48 | 94.78 | 0.91 | <0.001 |
WAboveground = aDt2H + b | Dt2H | 0.002 0 | 40.77 | 17.42 | 85.18 | 0.90 | <0.001 | |
WRoot = aDt2H + b | Dt2H | 0.000 4 | 11.58 | 12.24 | 15.12 | 0.93 | <0.001 | |
WStem = aDt2H + b | Dt2H | 0.001 0 | 30.06 | 18.10 | 69.05 | 0.89 | <0.001 | |
WLeaf = aDt2H + b | Dt2H | 0.000 4 | 10.71 | 17.27 | 18.55 | 0.88 | <0.001 | |
三裂绣线菊 Spiraea trilobata | WTotal = aVb | V | 0.049 0 | 0.66 | 0.40 | 0.83 | 0.45 | <0.001 |
WAboveground = aVb | V | 0.022 0 | 0.69 | 0.64 | 0.85 | 0.46 | <0.001 | |
WRoot = aVb | V | 0.030 0 | 0.60 | 1.17 | 0.86 | 0.39 | <0.001 | |
WStem = aVb | V | 0.012 0 | 0.72 | 0.95 | 0.96 | 0.42 | <0.001 | |
WLeaf = aVb | V | 0.005 0 | 0.70 | 2.57 | 0.85 | 0.46 | <0.001 | |
黄刺玫 Rosa xanthina | WTotal = aVb | V | 0.005 0 | 0.88 | 0.07 | 0.34 | 0.90 | <0.001 |
WAboveground = aVb | V | 0.003 0 | 0.88 | 0.11 | 0.32 | 0.93 | <0.001 | |
WRoot = aVb | V | 0.005 0 | 0.77 | 0.29 | 0.50 | 0.80 | <0.001 | |
WStem= aVb | V | 0.002 0 | 0.89 | 0.16 | 0.35 | 0.92 | <0.001 | |
WLeaf = aVb | V | 0.001 0 | 0.86 | 0.40 | 0.33 | 0.92 | <0.001 | |
虎榛子 Ostryopsis davidiana | WTotal = aV + b | V | 0.001 0 | 9.28 | 13.66 | 29.28 | 0.90 | <0.001 |
WAboveground = aV + b | V | 0.000 8 | 6.25 | 12.87 | 19.43 | 0.91 | <0.001 | |
WRoot = aV + b | V | 0.000 2 | 3.03 | 16.66 | 10.56 | 0.86 | <0.001 | |
WStem = aV + b | V | 0.000 6 | 2.93 | 16.70 | 17.86 | 0.87 | <0.001 | |
WLeaf = aV + b | V | 0.000 2 | 3.32 | 9.14 | 4.03 | 0.94 | <0.001 | |
榛 Corylus heterophylla | WTotal = a(Dt2H) b | Dt2H | 0.145 0 | 0.64 | 0.10 | 0.32 | 0.86 | <0.001 |
WAboveground = aVb | V | 0.000 1 | 1.15 | 0.17 | 0.34 | 0.85 | <0.001 | |
WRoot = a(Dt2H) b | Dt2H | 0.032 0 | 0.68 | 0.30 | 0.34 | 0.86 | <0.001 | |
WStem = a(Dt2H) b | Dt2H | 0.031 0 | 0.71 | 0.28 | 0.40 | 0.82 | <0.001 | |
WLeaf = aVb | V | 0.000 9 | 0.90 | 0.48 | 0.30 | 0.81 | <0.001 | |
土庄绣线菊 Spiraea pubescens | WTotal = aV + b | V | 0.001 0 | 18.90 | 13.81 | 38.03 | 0.89 | <0.001 |
WAboveground = aV + b | V | 0.002 0 | 8.02 | 12.84 | 22.11 | 0.91 | <0.001 | |
WRoot = aVb | V | 0.020 0 | 0.74 | 0.44 | 0.45 | 0.78 | <0.001 | |
WStem = aV + b | V | 0.002 0 | 6.18 | 12.95 | 20.92 | 0.92 | <0.001 | |
WLeaf = a(Dt2H) b | Dt2H | 0.011 0 | 0.53 | 4.33 | 0.46 | 0.71 | <0.001 | |
金花忍冬 Lonicera chrysantha | WTotal = a(Dt2H) b | Dt2H | 0.365 0 | 0.56 | 0.08 | 0.42 | 0.82 | <0.001 |
WAboveground = a(Dt2H) b | Dt2H | 0.233 0 | 0.53 | 0.16 | 0.40 | 0.83 | <0.001 | |
WRoot = aDt2H + b | Dt2H | 0.000 5 | 43.22 | 25.05 | 67.14 | 0.76 | <0.001 | |
WStem = a(Dt2H)b | Dt2H | 0.136 0 | 0.56 | 0.20 | 0.41 | 0.83 | <0.001 | |
WLeaf = aDt2H + b | Dt2H | 0.000 1 | 9.08 | 18.23 | 8.19 | 0.78 | <0.001 | |
蒙古荚蒾 Viburnum mongolicum | WTotal = aVb | V | 0.006 0 | 0.88 | 0.12 | 0.32 | 0.92 | <0.001 |
WAboveground = aVb | V | 0.003 0 | 0.90 | 0.21 | 0.34 | 0.92 | <0.001 | |
WRoot = aVb | V | 0.002 0 | 0.84 | 0.70 | 0.66 | 0.72 | <0.001 | |
WStem= aVb | V | 0.001 0 | 0.91 | 0.34 | 0.47 | 0.91 | <0.001 | |
WLeaf = aVb | V | 0.000 3 | 0.89 | 1.94 | 0.50 | 0.85 | <0.001 | |
唐古特忍冬 Lonicera tangutica | WTotal = a(Dt2H) b | Dt2H | 0.200 0 | 0.54 | 0.30 | 0.34 | 0.80 | <0.001 |
WAboveground = aVb | V | 0.007 0 | 0.80 | 0.49 | 0.33 | 0.84 | <0.001 | |
WRoot= aDt2H + b | Dt2H | 0.000 4 | 6.22 | 11.48 | 5.13 | 0.73 | <0.001 | |
物种名 Species | 最佳方程 Best model | 最佳变量 Best variable | 参数a Parameter variable a | 参数b Parameter variable b | 平均预估误差Mean prediction error (MPE) (%) | 估计值的标准误差Standard error of estimate (SEE) | R2 | p |
唐古特忍冬 Lonicera tangutica | WStem = a(Dt2H) b | Dt2H | 0.063 0 | 0.59 | 0.74 | 0.41 | 0.77 | <0.001 |
WLeaf = aVb | V | 0.005 0 | 0.68 | 2.30 | 0.29 | 0.81 | <0.001 | |
复盆子 Rubus idaeus | WTotal = aV + b | V | 0.000 6 | 12.52 | 10.18 | 6.76 | 0.84 | <0.001 |
WAboveground = aV + b | V | 0.000 4 | 10.71 | 10.63 | 5.59 | 0.80 | <0.001 | |
WRoot = aV + b | V | 0.000 0 | 1.81 | 13.92 | 1.92 | 0.83 | <0.001 | |
WStem = aV + b | V | 0.000 2 | 4.59 | 14.17 | 3.43 | 0.73 | <0.001 | |
WLeaf = alnV + b | V | 14.166 0 | -69.23 | 11.41 | 3.24 | 0.77 | <0.001 | |
银露梅 Potentilla glabra | WTotal = aA + b | A | 0.131 0 | -6.74 | 19.50 | 42.11 | 0.82 | <0.001 |
WAboveground = aA + b | A | 0.077 0 | -2.81 | 19.75 | 25.62 | 0.81 | <0.001 | |
WRoot = aA + b | A | 0.054 0 | -3.93 | 22.54 | 19.43 | 0.78 | <0.001 | |
WStem = aA + b | A | 0.068 0 | -3.26 | 20.73 | 23.16 | 0.80 | <0.001 | |
WLeaf = aA + b | A | 0.010 0 | 0.44 | 20.89 | 3.76 | 0.74 | <0.001 | |
山刺玫 Rosa davurica | WTotal = a(Dt2H) b | Dt2H | 0.061 0 | 0.69 | 0.11 | 0.29 | 0.88 | <0.001 |
WAboveground = a(Dt2H) b | Dt2H | 0.042 0 | 0.67 | 0.22 | 0.35 | 0.83 | <0.001 | |
WRoot = a(Dt2H) b | Dt2H | 0.023 0 | 0.70 | 0.37 | 0.40 | 0.80 | <0.001 | |
WStem = a(Dt2H) b | Dt2H | 0.025 0 | 0.70 | 0.27 | 0.36 | 0.84 | <0.001 | |
WLeaf = aA+b | A | 0.020 0 | -0.87 | 7.35 | 1.94 | 0.95 | <0.001 | |
刺果茶藨子 Ribes burejense | WTotal = aVb | V | 0.550 0 | 0.41 | 0.36 | 0.43 | 0.64 | <0.001 |
WAboveground = aV + b | V | 0.000 4 | 12.39 | 16.40 | 12.07 | 0.66 | <0.001 | |
WRoot = aAb | A | 0.938 0 | 0.46 | 1.39 | 0.64 | 0.47 | <0.001 | |
WStem = aV + b | V | 0.000 2 | 9.22 | 15.79 | 9.06 | 0.70 | <0.001 | |
WLeaf = aVb | V | 0.016 0 | 0.55 | 3.89 | 0.63 | 0.60 | <0.001 | |
鬼箭锦鸡儿 Caragana jubata | WTotal = aA + b | A | 0.268 0 | -10.27 | 12.92 | 48.69 | 0.93 | <0.001 |
WAboveground = aA + b | A | 0.159 0 | -3.65 | 16.51 | 38.04 | 0.88 | <0.001 | |
WRoot = aA + b | A | 0.110 0 | -6.63 | 11.13 | 16.30 | 0.95 | <0.001 | |
WStem = aA + b | A | 0.120 0 | -2.83 | 16.74 | 29.02 | 0.88 | <0.001 | |
WLeaf = aA + b | A | 0.040 0 | -0.82 | 21.53 | 12.27 | 0.81 | <0.001 |
表2 14种灌木总生物量(WTotal)、地上生物量(WAboveground)、根生物量(WRoot)、茎生物量(WStem)、叶生物量(WLeaf)的最佳拟合模型(n = 30)
Table 2 The best estimation models for total biomass (WTotal), aboveground biomass (WAboveground), root biomass (WRoot) , stem biomass (WStem), and leaf biomass (WLeaf) of 14 shrub species (n = 30)
物种名 Species | 最佳方程 Best model | 最佳变量 Best variable | 参数a Parameter variable a | 参数b Parameter variable b | 平均预估误差Mean prediction error (MPE) (%) | 估计值的标准误差 Standard error of estimate (SEE) | R2 | p |
---|---|---|---|---|---|---|---|---|
沙棘 Hippophae rhamnoides | WTotal = aDt2H + b | Dt2H | 0.002 0 | 52.34 | 15.48 | 94.78 | 0.91 | <0.001 |
WAboveground = aDt2H + b | Dt2H | 0.002 0 | 40.77 | 17.42 | 85.18 | 0.90 | <0.001 | |
WRoot = aDt2H + b | Dt2H | 0.000 4 | 11.58 | 12.24 | 15.12 | 0.93 | <0.001 | |
WStem = aDt2H + b | Dt2H | 0.001 0 | 30.06 | 18.10 | 69.05 | 0.89 | <0.001 | |
WLeaf = aDt2H + b | Dt2H | 0.000 4 | 10.71 | 17.27 | 18.55 | 0.88 | <0.001 | |
三裂绣线菊 Spiraea trilobata | WTotal = aVb | V | 0.049 0 | 0.66 | 0.40 | 0.83 | 0.45 | <0.001 |
WAboveground = aVb | V | 0.022 0 | 0.69 | 0.64 | 0.85 | 0.46 | <0.001 | |
WRoot = aVb | V | 0.030 0 | 0.60 | 1.17 | 0.86 | 0.39 | <0.001 | |
WStem = aVb | V | 0.012 0 | 0.72 | 0.95 | 0.96 | 0.42 | <0.001 | |
WLeaf = aVb | V | 0.005 0 | 0.70 | 2.57 | 0.85 | 0.46 | <0.001 | |
黄刺玫 Rosa xanthina | WTotal = aVb | V | 0.005 0 | 0.88 | 0.07 | 0.34 | 0.90 | <0.001 |
WAboveground = aVb | V | 0.003 0 | 0.88 | 0.11 | 0.32 | 0.93 | <0.001 | |
WRoot = aVb | V | 0.005 0 | 0.77 | 0.29 | 0.50 | 0.80 | <0.001 | |
WStem= aVb | V | 0.002 0 | 0.89 | 0.16 | 0.35 | 0.92 | <0.001 | |
WLeaf = aVb | V | 0.001 0 | 0.86 | 0.40 | 0.33 | 0.92 | <0.001 | |
虎榛子 Ostryopsis davidiana | WTotal = aV + b | V | 0.001 0 | 9.28 | 13.66 | 29.28 | 0.90 | <0.001 |
WAboveground = aV + b | V | 0.000 8 | 6.25 | 12.87 | 19.43 | 0.91 | <0.001 | |
WRoot = aV + b | V | 0.000 2 | 3.03 | 16.66 | 10.56 | 0.86 | <0.001 | |
WStem = aV + b | V | 0.000 6 | 2.93 | 16.70 | 17.86 | 0.87 | <0.001 | |
WLeaf = aV + b | V | 0.000 2 | 3.32 | 9.14 | 4.03 | 0.94 | <0.001 | |
榛 Corylus heterophylla | WTotal = a(Dt2H) b | Dt2H | 0.145 0 | 0.64 | 0.10 | 0.32 | 0.86 | <0.001 |
WAboveground = aVb | V | 0.000 1 | 1.15 | 0.17 | 0.34 | 0.85 | <0.001 | |
WRoot = a(Dt2H) b | Dt2H | 0.032 0 | 0.68 | 0.30 | 0.34 | 0.86 | <0.001 | |
WStem = a(Dt2H) b | Dt2H | 0.031 0 | 0.71 | 0.28 | 0.40 | 0.82 | <0.001 | |
WLeaf = aVb | V | 0.000 9 | 0.90 | 0.48 | 0.30 | 0.81 | <0.001 | |
土庄绣线菊 Spiraea pubescens | WTotal = aV + b | V | 0.001 0 | 18.90 | 13.81 | 38.03 | 0.89 | <0.001 |
WAboveground = aV + b | V | 0.002 0 | 8.02 | 12.84 | 22.11 | 0.91 | <0.001 | |
WRoot = aVb | V | 0.020 0 | 0.74 | 0.44 | 0.45 | 0.78 | <0.001 | |
WStem = aV + b | V | 0.002 0 | 6.18 | 12.95 | 20.92 | 0.92 | <0.001 | |
WLeaf = a(Dt2H) b | Dt2H | 0.011 0 | 0.53 | 4.33 | 0.46 | 0.71 | <0.001 | |
金花忍冬 Lonicera chrysantha | WTotal = a(Dt2H) b | Dt2H | 0.365 0 | 0.56 | 0.08 | 0.42 | 0.82 | <0.001 |
WAboveground = a(Dt2H) b | Dt2H | 0.233 0 | 0.53 | 0.16 | 0.40 | 0.83 | <0.001 | |
WRoot = aDt2H + b | Dt2H | 0.000 5 | 43.22 | 25.05 | 67.14 | 0.76 | <0.001 | |
WStem = a(Dt2H)b | Dt2H | 0.136 0 | 0.56 | 0.20 | 0.41 | 0.83 | <0.001 | |
WLeaf = aDt2H + b | Dt2H | 0.000 1 | 9.08 | 18.23 | 8.19 | 0.78 | <0.001 | |
蒙古荚蒾 Viburnum mongolicum | WTotal = aVb | V | 0.006 0 | 0.88 | 0.12 | 0.32 | 0.92 | <0.001 |
WAboveground = aVb | V | 0.003 0 | 0.90 | 0.21 | 0.34 | 0.92 | <0.001 | |
WRoot = aVb | V | 0.002 0 | 0.84 | 0.70 | 0.66 | 0.72 | <0.001 | |
WStem= aVb | V | 0.001 0 | 0.91 | 0.34 | 0.47 | 0.91 | <0.001 | |
WLeaf = aVb | V | 0.000 3 | 0.89 | 1.94 | 0.50 | 0.85 | <0.001 | |
唐古特忍冬 Lonicera tangutica | WTotal = a(Dt2H) b | Dt2H | 0.200 0 | 0.54 | 0.30 | 0.34 | 0.80 | <0.001 |
WAboveground = aVb | V | 0.007 0 | 0.80 | 0.49 | 0.33 | 0.84 | <0.001 | |
WRoot= aDt2H + b | Dt2H | 0.000 4 | 6.22 | 11.48 | 5.13 | 0.73 | <0.001 | |
物种名 Species | 最佳方程 Best model | 最佳变量 Best variable | 参数a Parameter variable a | 参数b Parameter variable b | 平均预估误差Mean prediction error (MPE) (%) | 估计值的标准误差Standard error of estimate (SEE) | R2 | p |
唐古特忍冬 Lonicera tangutica | WStem = a(Dt2H) b | Dt2H | 0.063 0 | 0.59 | 0.74 | 0.41 | 0.77 | <0.001 |
WLeaf = aVb | V | 0.005 0 | 0.68 | 2.30 | 0.29 | 0.81 | <0.001 | |
复盆子 Rubus idaeus | WTotal = aV + b | V | 0.000 6 | 12.52 | 10.18 | 6.76 | 0.84 | <0.001 |
WAboveground = aV + b | V | 0.000 4 | 10.71 | 10.63 | 5.59 | 0.80 | <0.001 | |
WRoot = aV + b | V | 0.000 0 | 1.81 | 13.92 | 1.92 | 0.83 | <0.001 | |
WStem = aV + b | V | 0.000 2 | 4.59 | 14.17 | 3.43 | 0.73 | <0.001 | |
WLeaf = alnV + b | V | 14.166 0 | -69.23 | 11.41 | 3.24 | 0.77 | <0.001 | |
银露梅 Potentilla glabra | WTotal = aA + b | A | 0.131 0 | -6.74 | 19.50 | 42.11 | 0.82 | <0.001 |
WAboveground = aA + b | A | 0.077 0 | -2.81 | 19.75 | 25.62 | 0.81 | <0.001 | |
WRoot = aA + b | A | 0.054 0 | -3.93 | 22.54 | 19.43 | 0.78 | <0.001 | |
WStem = aA + b | A | 0.068 0 | -3.26 | 20.73 | 23.16 | 0.80 | <0.001 | |
WLeaf = aA + b | A | 0.010 0 | 0.44 | 20.89 | 3.76 | 0.74 | <0.001 | |
山刺玫 Rosa davurica | WTotal = a(Dt2H) b | Dt2H | 0.061 0 | 0.69 | 0.11 | 0.29 | 0.88 | <0.001 |
WAboveground = a(Dt2H) b | Dt2H | 0.042 0 | 0.67 | 0.22 | 0.35 | 0.83 | <0.001 | |
WRoot = a(Dt2H) b | Dt2H | 0.023 0 | 0.70 | 0.37 | 0.40 | 0.80 | <0.001 | |
WStem = a(Dt2H) b | Dt2H | 0.025 0 | 0.70 | 0.27 | 0.36 | 0.84 | <0.001 | |
WLeaf = aA+b | A | 0.020 0 | -0.87 | 7.35 | 1.94 | 0.95 | <0.001 | |
刺果茶藨子 Ribes burejense | WTotal = aVb | V | 0.550 0 | 0.41 | 0.36 | 0.43 | 0.64 | <0.001 |
WAboveground = aV + b | V | 0.000 4 | 12.39 | 16.40 | 12.07 | 0.66 | <0.001 | |
WRoot = aAb | A | 0.938 0 | 0.46 | 1.39 | 0.64 | 0.47 | <0.001 | |
WStem = aV + b | V | 0.000 2 | 9.22 | 15.79 | 9.06 | 0.70 | <0.001 | |
WLeaf = aVb | V | 0.016 0 | 0.55 | 3.89 | 0.63 | 0.60 | <0.001 | |
鬼箭锦鸡儿 Caragana jubata | WTotal = aA + b | A | 0.268 0 | -10.27 | 12.92 | 48.69 | 0.93 | <0.001 |
WAboveground = aA + b | A | 0.159 0 | -3.65 | 16.51 | 38.04 | 0.88 | <0.001 | |
WRoot = aA + b | A | 0.110 0 | -6.63 | 11.13 | 16.30 | 0.95 | <0.001 | |
WStem = aA + b | A | 0.120 0 | -2.83 | 16.74 | 29.02 | 0.88 | <0.001 | |
WLeaf = aA + b | A | 0.040 0 | -0.82 | 21.53 | 12.27 | 0.81 | <0.001 |
图1 芦芽山6种灌木总生物量最佳拟合模型。A, 刺玫。B, 蒙古荚蒾。C, 刺果茶藨子。D, 沙棘。E, 虎榛子。F, 鬼箭锦鸡儿。
Fig. 1 The best biomass estimation model of six shrub species in Mountain Luya. A, Rosa davurica. B, Viburnum mongolicum. C, Ribes burejense. D, Hippophae rhamnoides. E, Ostryopsis davidiana. F, Caragana jubata.
物种 Species | 根冠比 R/S | 叶质比 LMF | 茎质比 SMF | 根质比 RMF | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
范围 Range | 平均值± 标准偏差 Mean ± SD | 中位值 Median | 范围 Range | 平均值± 标准偏差 Mean ± SD | 中位值 Median | 范围 Range | 平均值± 标准偏差 Mean ± SD | 中位值 Median | 范围 Range | 平均值± 标准偏差 Mean ± SD | 中位值 Median | ||||
沙棘 Hippophae rhamnoides | 0.06-0.59 | 0.31 ± 0.14 | 0.29 | 0.07-0.30 | 0.20 ± 0.06 | 0.20 | 0.39-0.79 | 0.57 ± 0.11 | 0.54 | 0.06-0.37 | 0.23 ± 0.08 | 0.22 | |||
三裂绣线菊 Spiraea trilobata | 0.32-1.24 | 0.57 ± 0.21 | 0.51 | 0.04-0.33 | 0.17 ± 0.09 | 0.15 | 0.25-0.67 | 0.48 ± 0.12 | 0.48 | 0.24-0.55 | 0.35 ± 0.07 | 0.34 | |||
黄刺玫 Rosa xanthina | 0.19-2.00 | 0.55 ± 0.34 | 0.45 | 0.09-0.29 | 0.19 ± 0.05 | 0.18 | 0.24-0.67 | 0.48 ± 0.09 | 0.47 | 0.16-0.67 | 0.33 ± 0.11 | 0.31 | |||
虎榛子 Ostryopsis davidiana | 0.16-0.97 | 0.42 ± 0.15 | 0.40 | 0.09-0.45 | 0.24 ± 0.08 | 0.23 | 0.35-0.58 | 0.47 ± 0.06 | 0.48 | 0.14-0.49 | 0.29 ± 0.07 | 0.29 | |||
榛 Corylus heterophylla | 0.28-1.24 | 0.53 ± 0.22 | 0.47 | 0.10-0.34 | 0.24 ± 0.07 | 0.23 | 0.26-0.56 | 0.43 ± 0.07 | 0.42 | 0.22-0.55 | 0.34 ± 0.08 | 0.32 | |||
土庄绣线菊 Spiraea pubescens | 0.45-1.42 | 0.72 ± 0.27 | 0.63 | 0.01-0.10 | 0.05 ± 0.03 | 0.05 | 0.37-0.67 | 0.54 ± 0.08 | 0.57 | 0.31-0.59 | 0.41 ± 0.08 | 0.39 | |||
金花忍冬 Lonicera chrysantha | 0.24-2.42 | 1.05 ± 0.54 | 0.98 | 0.05-0.26 | 0.10 ± 0.04 | 0.10 | 0.20-0.72 | 0.42 ± 0.13 | 0.39 | 0.19-0.71 | 0.48 ± 0.13 | 0.49 | |||
蒙古荚蒾 Viburnum mongolicum | 0.16-2.06 | 0.67 ± 0.45 | 0.54 | 0.04-0.23 | 0.10 ± 0.04 | 0.10 | 0.28-0.76 | 0.53 ± 0.11 | 0.54 | 0.14-0.67 | 0.37 ± 0.13 | 0.35 | |||
唐古特忍冬 Lonicera tangutica | 0.12-1.84 | 0.67 ± 0.38 | 0.54 | 0.06-0.24 | 0.13 ± 0.04 | 0.12 | 0.28-0.65 | 0.50 ± 0.10 | 0.52 | 0.11-0.65 | 0.37 ± 0.12 | 0.35 | |||
复盆子 Rubus idaeus | 0.11-0.54 | 0.26 ± 0.10 | 0.23 | 0.26-0.67 | 0.44 ± 0.10 | 0.43 | 0.17-0.61 | 0.36 ± 0.12 | 0.35 | 0.10-0.35 | 0.20 ± 0.06 | 0.19 | |||
银露梅 Potentilla glabra | 0.29-2.54 | 0.76 ± 0.46 | 0.64 | 0.04-0.21 | 0.11 ± 0.05 | 0.09 | 0.25-0.67 | 0.49 ± 0.11 | 0.51 | 0.22-0.72 | 0.41 ± 0.12 | 0.39 | |||
山刺玫 Rosa davurica | 0.36-1.29 | 0.71 ± 0.24 | 0.67 | 0.04-0.19 | 0.11 ± 0.04 | 0.10 | 0.37-0.62 | 0.49 ± 0.07 | 0.48 | 0.26-0.56 | 0.40 ± 0.08 | 0.4 | |||
刺果茶藨子 Ribes burejense | 0.27-1.89 | 0.69 ± 0.44 | 0.52 | 0.02-0.35 | 0.13 ± 0.07 | 0.11 | 0.24-0.67 | 0.49 ± 0.12 | 0.52 | 0.21-0.65 | 0.38 ± 0.13 | 0.34 | |||
鬼箭锦鸡儿 Caragana jubata | 0.16-1.54 | 0.60 ± 0.30 | 0.58 | 0.08-0.34 | 0.18 ± 0.07 | 0.17 | 0.26-0.68 | 0.47 ± 0.09 | 0.46 | 0.14-0.61 | 0.36 ± 0.10 | 0.37 | |||
整体 Total | 0.61 ± 0.38 | 0.17 ± 0.11 | 0.48 ± 0.11 | 0.35 ± 0.12 |
表3 14种灌木的根冠比、叶质比、茎质比及根质比的统计特征
Table 3 The descriptive statistics of root to shoot mass ratio (R/S), leaf to total mass ratio (LMF), stem to total mass ratio (SMF), and root to total mass ratio (RMF) of 14 shrub species
物种 Species | 根冠比 R/S | 叶质比 LMF | 茎质比 SMF | 根质比 RMF | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
范围 Range | 平均值± 标准偏差 Mean ± SD | 中位值 Median | 范围 Range | 平均值± 标准偏差 Mean ± SD | 中位值 Median | 范围 Range | 平均值± 标准偏差 Mean ± SD | 中位值 Median | 范围 Range | 平均值± 标准偏差 Mean ± SD | 中位值 Median | ||||
沙棘 Hippophae rhamnoides | 0.06-0.59 | 0.31 ± 0.14 | 0.29 | 0.07-0.30 | 0.20 ± 0.06 | 0.20 | 0.39-0.79 | 0.57 ± 0.11 | 0.54 | 0.06-0.37 | 0.23 ± 0.08 | 0.22 | |||
三裂绣线菊 Spiraea trilobata | 0.32-1.24 | 0.57 ± 0.21 | 0.51 | 0.04-0.33 | 0.17 ± 0.09 | 0.15 | 0.25-0.67 | 0.48 ± 0.12 | 0.48 | 0.24-0.55 | 0.35 ± 0.07 | 0.34 | |||
黄刺玫 Rosa xanthina | 0.19-2.00 | 0.55 ± 0.34 | 0.45 | 0.09-0.29 | 0.19 ± 0.05 | 0.18 | 0.24-0.67 | 0.48 ± 0.09 | 0.47 | 0.16-0.67 | 0.33 ± 0.11 | 0.31 | |||
虎榛子 Ostryopsis davidiana | 0.16-0.97 | 0.42 ± 0.15 | 0.40 | 0.09-0.45 | 0.24 ± 0.08 | 0.23 | 0.35-0.58 | 0.47 ± 0.06 | 0.48 | 0.14-0.49 | 0.29 ± 0.07 | 0.29 | |||
榛 Corylus heterophylla | 0.28-1.24 | 0.53 ± 0.22 | 0.47 | 0.10-0.34 | 0.24 ± 0.07 | 0.23 | 0.26-0.56 | 0.43 ± 0.07 | 0.42 | 0.22-0.55 | 0.34 ± 0.08 | 0.32 | |||
土庄绣线菊 Spiraea pubescens | 0.45-1.42 | 0.72 ± 0.27 | 0.63 | 0.01-0.10 | 0.05 ± 0.03 | 0.05 | 0.37-0.67 | 0.54 ± 0.08 | 0.57 | 0.31-0.59 | 0.41 ± 0.08 | 0.39 | |||
金花忍冬 Lonicera chrysantha | 0.24-2.42 | 1.05 ± 0.54 | 0.98 | 0.05-0.26 | 0.10 ± 0.04 | 0.10 | 0.20-0.72 | 0.42 ± 0.13 | 0.39 | 0.19-0.71 | 0.48 ± 0.13 | 0.49 | |||
蒙古荚蒾 Viburnum mongolicum | 0.16-2.06 | 0.67 ± 0.45 | 0.54 | 0.04-0.23 | 0.10 ± 0.04 | 0.10 | 0.28-0.76 | 0.53 ± 0.11 | 0.54 | 0.14-0.67 | 0.37 ± 0.13 | 0.35 | |||
唐古特忍冬 Lonicera tangutica | 0.12-1.84 | 0.67 ± 0.38 | 0.54 | 0.06-0.24 | 0.13 ± 0.04 | 0.12 | 0.28-0.65 | 0.50 ± 0.10 | 0.52 | 0.11-0.65 | 0.37 ± 0.12 | 0.35 | |||
复盆子 Rubus idaeus | 0.11-0.54 | 0.26 ± 0.10 | 0.23 | 0.26-0.67 | 0.44 ± 0.10 | 0.43 | 0.17-0.61 | 0.36 ± 0.12 | 0.35 | 0.10-0.35 | 0.20 ± 0.06 | 0.19 | |||
银露梅 Potentilla glabra | 0.29-2.54 | 0.76 ± 0.46 | 0.64 | 0.04-0.21 | 0.11 ± 0.05 | 0.09 | 0.25-0.67 | 0.49 ± 0.11 | 0.51 | 0.22-0.72 | 0.41 ± 0.12 | 0.39 | |||
山刺玫 Rosa davurica | 0.36-1.29 | 0.71 ± 0.24 | 0.67 | 0.04-0.19 | 0.11 ± 0.04 | 0.10 | 0.37-0.62 | 0.49 ± 0.07 | 0.48 | 0.26-0.56 | 0.40 ± 0.08 | 0.4 | |||
刺果茶藨子 Ribes burejense | 0.27-1.89 | 0.69 ± 0.44 | 0.52 | 0.02-0.35 | 0.13 ± 0.07 | 0.11 | 0.24-0.67 | 0.49 ± 0.12 | 0.52 | 0.21-0.65 | 0.38 ± 0.13 | 0.34 | |||
鬼箭锦鸡儿 Caragana jubata | 0.16-1.54 | 0.60 ± 0.30 | 0.58 | 0.08-0.34 | 0.18 ± 0.07 | 0.17 | 0.26-0.68 | 0.47 ± 0.09 | 0.46 | 0.14-0.61 | 0.36 ± 0.10 | 0.37 | |||
整体 Total | 0.61 ± 0.38 | 0.17 ± 0.11 | 0.48 ± 0.11 | 0.35 ± 0.12 |
图2 带刺与不带刺灌木之间叶质比(L/T)、茎质比(S/T)、根质比(R/T)、根冠比(R/S)的比较(平均值±标准误差)。用单因素方差分析(Tukey post hoc)检验不同类别之间的差异; 显著性差异(p < 0.05)用不同字母标记。
Fig. 2 Comparisons of leaf biomass fraction (L/T), stem biomass fraction (S/T), root biomass fraction (R/T), root to shoot mass ratio (R/S) between shrubs with and without thorn (mean ± SE). Differences between each group were tested using a one-way ANOVA with a Tukey post hoc test of significance; significance different at p < 0.05 was indicated by different letters.
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