Chin J Plant Ecol ›› 2006, Vol. 30 ›› Issue (3): 383-391.DOI: 10.17521/cjpe.2006.0052
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LIU Qiu-Feng1,2, KANG Mu-Yi2,4, LIU Quan-Ru3,4
Accepted:
2005-09-19
Published:
2006-05-30
LIU Qiu-Feng, KANG Mu-Yi, LIU Quan-Ru. QUANTITATIVE CLASSIFICATION AND ENVIRONMENTAL INTERPRETATION OF FOREST TREE SPECIES IN HUNGOU, ZHONGTIAO MOUNTAIN[J]. Chin J Plant Ecol, 2006, 30(3): 383-391.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2006.0052
科 Family | 种数 No. of species | 比例 % of all species | 属 Genus | 种数 No. of species | 比例 % of all species | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1. 蔷薇科Rosaceae 2. 菊科Compositae 3. 百合科Liliaceae 4. 豆科Leguminosae 5. 虎耳草科Saxifragaceae 6. 忍冬科Caprifoliaceae 7. 毛茛科Ranunculaceae 8. 禾本科Gramineae 9. 唇形科Labiatae 10. 榆科Ulmaceae | 23 15 15 11 11 11 10 8 7 7 | 10.36 6.76 6.76 4.95 4.95 4.95 4.50 3.60 3.15 3.15 | 1. 茶 2. 忍冬属Lonicera 3. 蒿属Artemisia 4. 栎属Quercus 5. 槭属Acer 6. 花楸属Sorbus 7. 荚 8. 苔草属Carex 9. 卫矛属Euonymus 10. 鼠李属Rhamnus | 5 5 5 4 4 4 4 3 3 3 | 2.25 2.25 2.25 1.80 1.80 1.80 1.80 1.35 1.35 1.35 | ||||||||||||||||
总计Total | 118 | 53.15 | 40 | 18.02 |
Table 1 The main family and genus of Hungou
科 Family | 种数 No. of species | 比例 % of all species | 属 Genus | 种数 No. of species | 比例 % of all species | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1. 蔷薇科Rosaceae 2. 菊科Compositae 3. 百合科Liliaceae 4. 豆科Leguminosae 5. 虎耳草科Saxifragaceae 6. 忍冬科Caprifoliaceae 7. 毛茛科Ranunculaceae 8. 禾本科Gramineae 9. 唇形科Labiatae 10. 榆科Ulmaceae | 23 15 15 11 11 11 10 8 7 7 | 10.36 6.76 6.76 4.95 4.95 4.95 4.50 3.60 3.15 3.15 | 1. 茶 2. 忍冬属Lonicera 3. 蒿属Artemisia 4. 栎属Quercus 5. 槭属Acer 6. 花楸属Sorbus 7. 荚 8. 苔草属Carex 9. 卫矛属Euonymus 10. 鼠李属Rhamnus | 5 5 5 4 4 4 4 3 3 3 | 2.25 2.25 2.25 1.80 1.80 1.80 1.80 1.35 1.35 1.35 | ||||||||||||||||
总计Total | 118 | 53.15 | 40 | 18.02 |
生境因子 Environmental factors | 最小值 Minimun | 最大值 Maximum | 平均 Mean |
---|---|---|---|
海拔Altitude (m) | 730 | 2 100 | 1 343 |
坡度Slope (°) | 10 | 50 | 33 |
坡向Transformation of aspect (TRASP) | 0.01 | 0.88 | 0.57 |
土深Soil depth (cm) | 3 | 37 | 13 |
pH | 5.13 | 7.85 | 6.51 |
全氮Total nitrogen (%) | 0.16 | 1.37 | 0.56 |
有机质Organic matter (%) | 5.8 | 39.6 | 15.5 |
湿度指数Topographic relative moisture index (TRMI) | 13 | 50 | 26.08 |
年总辐射量Annual total solar radiation (MJ·m-2) | 2 280 | 6 550 | 4 710 |
Table 2 General situation of the habitats for forest growth measured at community plots
生境因子 Environmental factors | 最小值 Minimun | 最大值 Maximum | 平均 Mean |
---|---|---|---|
海拔Altitude (m) | 730 | 2 100 | 1 343 |
坡度Slope (°) | 10 | 50 | 33 |
坡向Transformation of aspect (TRASP) | 0.01 | 0.88 | 0.57 |
土深Soil depth (cm) | 3 | 37 | 13 |
pH | 5.13 | 7.85 | 6.51 |
全氮Total nitrogen (%) | 0.16 | 1.37 | 0.56 |
有机质Organic matter (%) | 5.8 | 39.6 | 15.5 |
湿度指数Topographic relative moisture index (TRMI) | 13 | 50 | 26.08 |
年总辐射量Annual total solar radiation (MJ·m-2) | 2 280 | 6 550 | 4 710 |
排序轴 AX | 特征值 Eigenvalues | 累计解释量 Cumulative percen- tage varaiance of species data (%) | 海拔 Altitude (m) | 坡度 Slope (°) | 坡向 TRASP | 土深 Soil depth (cm) | pH值 | 全氮 Total nitrogen (%) | 有机质 Organic matter (%) | 湿度指数 TRMI | 年总辐射 Annual total solar radiation (MJ·m-2) |
---|---|---|---|---|---|---|---|---|---|---|---|
CCA1 | 0.79 | 12.3 | 0.98** | -0.21 | 0.37* | 0.34 | -0.39* | 0.59** | 0.53** | 0.02 | 0.28 |
CCA2 | 0.50 | 20.0 | -0.13 | -0.66** | 0.05 | -0.17 | 0.72** | 0.45* | 0.29 | 0.54** | 0.03 |
CCA3 | 0.29 | 24.5 | -0.10 | 0.06 | 0.16 | -0.42* | 0.15 | 0.09 | 0.32 | 0.00 | -0.57** |
CCA4 | 0.24 | 28.1 | -0.03 | -0.16 | -0.18 | 0.59** | 0.20 | -0.11 | -0.03 | -0.20 | 0.33 |
Table 4 The eigenvalues and cumulative percentage variance of species data for the first four axes of CCA, as well as their correlation with the environmental variables
排序轴 AX | 特征值 Eigenvalues | 累计解释量 Cumulative percen- tage varaiance of species data (%) | 海拔 Altitude (m) | 坡度 Slope (°) | 坡向 TRASP | 土深 Soil depth (cm) | pH值 | 全氮 Total nitrogen (%) | 有机质 Organic matter (%) | 湿度指数 TRMI | 年总辐射 Annual total solar radiation (MJ·m-2) |
---|---|---|---|---|---|---|---|---|---|---|---|
CCA1 | 0.79 | 12.3 | 0.98** | -0.21 | 0.37* | 0.34 | -0.39* | 0.59** | 0.53** | 0.02 | 0.28 |
CCA2 | 0.50 | 20.0 | -0.13 | -0.66** | 0.05 | -0.17 | 0.72** | 0.45* | 0.29 | 0.54** | 0.03 |
CCA3 | 0.29 | 24.5 | -0.10 | 0.06 | 0.16 | -0.42* | 0.15 | 0.09 | 0.32 | 0.00 | -0.57** |
CCA4 | 0.24 | 28.1 | -0.03 | -0.16 | -0.18 | 0.59** | 0.20 | -0.11 | -0.03 | -0.20 | 0.33 |
物种矩阵对应分析总特征值Sum of eigenvalues of the species matrix | 6.45 |
---|---|
环境变量约束的物种典范特征值Sum of canonical eigenvalues of the species matrix constrained by the environmental matrix | 2.43 |
空间变量约束的物种典范特征值Sum of canonical eigenvalues of the species matrix constrained by the spatial matrix | 0.99 |
去除空间变量后环境变量约束的物种典范特征值Sum of canonical eigenvalues of the species matrix constrained by the environmental matrix after removing the effect of spatial matrix | 1.99 |
去除环境变量后空间变量约束的物种典范特征值Sum of canonical eigenvalues of the species matrix constrained by the spatial matrix after removing the effect of environmental matrix | 0.55 |
植被格局环境因子解释的部分Species matrix explained by non-spatial environmental variation | 30.79% |
植被格局空间因子解释的部分Species matrix explained by non- environmental spatial variation | 8.48% |
植被格局空间因子和环境因子交互作用解释的部分Species matrix explained by the interactions between spatial and environmental variation | 6.87% |
空间因子和环境因子未能解释的部分Species matrix unexplained by both spatial and environmental variation | 53.86% |
Table 5 The result of environmental and spatial interpretation of forest community
物种矩阵对应分析总特征值Sum of eigenvalues of the species matrix | 6.45 |
---|---|
环境变量约束的物种典范特征值Sum of canonical eigenvalues of the species matrix constrained by the environmental matrix | 2.43 |
空间变量约束的物种典范特征值Sum of canonical eigenvalues of the species matrix constrained by the spatial matrix | 0.99 |
去除空间变量后环境变量约束的物种典范特征值Sum of canonical eigenvalues of the species matrix constrained by the environmental matrix after removing the effect of spatial matrix | 1.99 |
去除环境变量后空间变量约束的物种典范特征值Sum of canonical eigenvalues of the species matrix constrained by the spatial matrix after removing the effect of environmental matrix | 0.55 |
植被格局环境因子解释的部分Species matrix explained by non-spatial environmental variation | 30.79% |
植被格局空间因子解释的部分Species matrix explained by non- environmental spatial variation | 8.48% |
植被格局空间因子和环境因子交互作用解释的部分Species matrix explained by the interactions between spatial and environmental variation | 6.87% |
空间因子和环境因子未能解释的部分Species matrix unexplained by both spatial and environmental variation | 53.86% |
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