Plant Diversity ›› 2019, Vol. 41 ›› Issue (03): 133-134.DOI: 10.1016/j.pld.2019.06.008
• Editorial • 下一篇
Xuefei Yanga,b, Yongping Yangc
出版日期:
2019-06-25
发布日期:
2019-08-15
通讯作者:
Yongping Yang,E-mail address:yangyp@mail.kib.ac.cn
作者简介:
Xuefei Yang,E-mail address:xuefei@mail.kib.ac.cn
基金资助:
Xuefei Yanga,b, Yongping Yangc
Online:
2019-06-25
Published:
2019-08-15
Contact:
Yongping Yang,E-mail address:yangyp@mail.kib.ac.cn
Supported by:
Xuefei Yang, Yongping Yang. Building a better plant world through mutual learning: An introduction to a special issue on plant diversity and conservation in the Belt & Road Countries[J]. Plant Diversity, 2019, 41(03): 133-134.
Xuefei Yang, Yongping Yang. Building a better plant world through mutual learning: An introduction to a special issue on plant diversity and conservation in the Belt & Road Countries[J]. Plant Diversity, 2019, 41(03): 133-134.
排序轴 Ordination axis | |||||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | ||
物种-环境关系方差解释的累计百分比 Cumulative percentage variance of species-environment relation (%) | 未对稀有种处理的CCA Untreated rare species CCA | 33.0 | 55.6 | 74.1 | 87.4 |
降低稀有种权重的CCA Downweighting of rare species CCA | 39.2 | 60.0 | 76.9 | 89.4 | |
剔除稀有种的CCA Eliminating rare species CCA | 34.2 | 56.6 | 75.4 | 88.5 |
表1 各排序轴物种-环境关系解释的累计百分比
Table 1 Cumulative percentage variance of species-environment relations explained by ordination axes
排序轴 Ordination axis | |||||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | ||
物种-环境关系方差解释的累计百分比 Cumulative percentage variance of species-environment relation (%) | 未对稀有种处理的CCA Untreated rare species CCA | 33.0 | 55.6 | 74.1 | 87.4 |
降低稀有种权重的CCA Downweighting of rare species CCA | 39.2 | 60.0 | 76.9 | 89.4 | |
剔除稀有种的CCA Eliminating rare species CCA | 34.2 | 56.6 | 75.4 | 88.5 |
未对稀有种处理的CCA Untreated rare species CCA | 降低稀有种权重的CCA Downweighting of rare species CCA | 剔除稀有种的CCA Eliminating rare species CCA | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
排序轴 Ordination axis | 排序轴 Ordination axis | 排序轴 Ordination axis | ||||||||||||
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | |||
海拔 Elevation | 0.912* | 0.155 | -0.004 | 0.165 | -0.854* | 0.199 | -0.042 | 0.200 | -0.882* | 0.237 | -0.024 | 0.044 | ||
坡度 Slope | 0.518 | -0.111 | 0.385 | -0.362 | -0.540 | -0.081 | 0.388 | -0.252 | -0.514 | -0.078 | 0.418 | 0.133 | ||
坡向 Aspect | 0.415 | -0.005 | -0.640* | -0.195 | -0.458 | -0.021 | -0.615* | -0.260 | -0.403 | -0.026 | -0.586* | 0.237 | ||
水分条件 Moisture condition | -0.494 | 0.761* | 0.065 | -0.040 | 0.558 | 0.662* | 0.018 | -0.018 | 0.549 | 0.702* | 0.038 | 0.027 | ||
人为干扰强度 Density of human disturbance | -0.428 | -0.358 | 0.115 | -0.601* | 0.352 | -0.270 | 0.325 | -0.588* | 0.386 | -0.411 | 0.107 | -0.608* |
表2 环境因子与典范对应分析(CCA)前4排序轴的相关系数
Table 2 Correlation coefficients of the first four canonical correspondence analysis (CCA) axes with environmental variables
未对稀有种处理的CCA Untreated rare species CCA | 降低稀有种权重的CCA Downweighting of rare species CCA | 剔除稀有种的CCA Eliminating rare species CCA | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
排序轴 Ordination axis | 排序轴 Ordination axis | 排序轴 Ordination axis | ||||||||||||
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | |||
海拔 Elevation | 0.912* | 0.155 | -0.004 | 0.165 | -0.854* | 0.199 | -0.042 | 0.200 | -0.882* | 0.237 | -0.024 | 0.044 | ||
坡度 Slope | 0.518 | -0.111 | 0.385 | -0.362 | -0.540 | -0.081 | 0.388 | -0.252 | -0.514 | -0.078 | 0.418 | 0.133 | ||
坡向 Aspect | 0.415 | -0.005 | -0.640* | -0.195 | -0.458 | -0.021 | -0.615* | -0.260 | -0.403 | -0.026 | -0.586* | 0.237 | ||
水分条件 Moisture condition | -0.494 | 0.761* | 0.065 | -0.040 | 0.558 | 0.662* | 0.018 | -0.018 | 0.549 | 0.702* | 0.038 | 0.027 | ||
人为干扰强度 Density of human disturbance | -0.428 | -0.358 | 0.115 | -0.601* | 0.352 | -0.270 | 0.325 | -0.588* | 0.386 | -0.411 | 0.107 | -0.608* |
未对稀有种处理的CCA Ordination axis of untreated rare species CCA | 降低稀有种权重的CCA Ordination axis of downweighting of rare species CCA | 剔除稀有种的CCA Ordination axis of eliminating rare species CCA | 降低稀有种权重的CCA Ordination axis of downweighting of rare species CCA | |||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | |||
1 | -1.000** | -0.1 | -0.1 | 0.4 | 1 | 1.000** | 0.1 | 0.1 | -0.4 | |
2 | 0.1 | 1.000** | -0.5 | 0.8 | 2 | 0.1 | 1.000** | -0.5 | 0.8 | |
3 | 0.1 | -0.5 | 1.000** | -0.2 | 3 | 0.1 | -0.5 | 1.000** | -0.2 | |
4 | -0.3 | 0.900* | -0.6 | 0.900* | 4 | -0.5 | 0.1 | -0.4 | 0.1 |
表3 基于环境变量坐标值的典范对应分析(CCA)前4排序轴的Spearman秩相关系数
Table 3 Spearman’s rank correlation coefficients of the first four canonical correspondence analysis (CCA) axes based on the scores of environmental variables
未对稀有种处理的CCA Ordination axis of untreated rare species CCA | 降低稀有种权重的CCA Ordination axis of downweighting of rare species CCA | 剔除稀有种的CCA Ordination axis of eliminating rare species CCA | 降低稀有种权重的CCA Ordination axis of downweighting of rare species CCA | |||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | |||
1 | -1.000** | -0.1 | -0.1 | 0.4 | 1 | 1.000** | 0.1 | 0.1 | -0.4 | |
2 | 0.1 | 1.000** | -0.5 | 0.8 | 2 | 0.1 | 1.000** | -0.5 | 0.8 | |
3 | 0.1 | -0.5 | 1.000** | -0.2 | 3 | 0.1 | -0.5 | 1.000** | -0.2 | |
4 | -0.3 | 0.900* | -0.6 | 0.900* | 4 | -0.5 | 0.1 | -0.4 | 0.1 |
未对稀有种处理的CCA排序轴 Ordination axes of untreated rare species | 降低稀有种权重的CCA排序轴 Ordination axis of downweighting of rare species CCA | 剔除稀有种的CCA排序轴 Ordination axis of downweighting of eliminating rare species CCA | 降低稀有种权重的CCA排序轴 Ordination axis of downweighting of rare species CCA | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | ||||
基于物种数据得到的样方坐标值 Based on the sample scores from species data | 1 | -0.988** | 0.086 | -0.104 | -0.017 | 1 | 0.980** | -0.002 | 0.049 | 0.014 | |
2 | 0.057 | 0.966** | -0.053 | 0.101 | 2 | 0.007 | 0.946** | -0.012 | 0.194 | ||
3 | 0.139 | 0.018 | 0.965** | 0.139 | 3 | 0.143 | -0.038 | 0.949** | 0.126 | ||
4 | 0.055 | 0.014 | -0.221 | 0.948** | 4 | 0.049 | -0.253* | -0.213 | 0.535** | ||
基于环境数据得到的样方坐标值 Based on the sample scores from environment data | 1 | -0.988** | 0.235 | -0.080 | 0.130 | 1 | 0.998** | -0.108 | 0.068 | -0.108 | |
2 | -0.025 | 0.982** | -0.059 | 0.038 | 2 | -0.102 | 0.980** | 0.007 | 0.166 | ||
3 | 0.125 | 0.066 | 0.095** | 0.289* | 3 | 0.106 | 0 | 0.950** | 0.265* | ||
4 | -0.052 | 0.023 | -0.150 | 0.949** | 4 | -0.029 | -0.085 | -0.334** | 0.534** |
表4 基于物种数据和环境数据得到样方坐标值的典范对应分析(CCA)前4排序轴的Spearman秩相关系数
Table 4 Spearman’s rank correlation of the first four canonical correspondence analysis (CCA) axes based on the sample scores
未对稀有种处理的CCA排序轴 Ordination axes of untreated rare species | 降低稀有种权重的CCA排序轴 Ordination axis of downweighting of rare species CCA | 剔除稀有种的CCA排序轴 Ordination axis of downweighting of eliminating rare species CCA | 降低稀有种权重的CCA排序轴 Ordination axis of downweighting of rare species CCA | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | ||||
基于物种数据得到的样方坐标值 Based on the sample scores from species data | 1 | -0.988** | 0.086 | -0.104 | -0.017 | 1 | 0.980** | -0.002 | 0.049 | 0.014 | |
2 | 0.057 | 0.966** | -0.053 | 0.101 | 2 | 0.007 | 0.946** | -0.012 | 0.194 | ||
3 | 0.139 | 0.018 | 0.965** | 0.139 | 3 | 0.143 | -0.038 | 0.949** | 0.126 | ||
4 | 0.055 | 0.014 | -0.221 | 0.948** | 4 | 0.049 | -0.253* | -0.213 | 0.535** | ||
基于环境数据得到的样方坐标值 Based on the sample scores from environment data | 1 | -0.988** | 0.235 | -0.080 | 0.130 | 1 | 0.998** | -0.108 | 0.068 | -0.108 | |
2 | -0.025 | 0.982** | -0.059 | 0.038 | 2 | -0.102 | 0.980** | 0.007 | 0.166 | ||
3 | 0.125 | 0.066 | 0.095** | 0.289* | 3 | 0.106 | 0 | 0.950** | 0.265* | ||
4 | -0.052 | 0.023 | -0.150 | 0.949** | 4 | -0.029 | -0.085 | -0.334** | 0.534** |
未对稀有种处理的CCA排序轴 Ordination axis of untreated rare species | 降低稀有种权重的CCA排序轴 Ordination axis of downweighting of rare species CCA | 剔除稀有种的CCA排序轴 Ordination axis of downweighting of eliminating rare species CCA | 降低稀有种权重的CCA排序轴 Ordination axis of downweighting of rare species CCA | |||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | |||
1 | -0.995** | 0.172** | -0.107 | 0.154* | 1 | 0.034 | -0.048 | 0.086 | -0.110 | |
2 | 0.030 | 0.982** | -0.081 | 0.163* | 2 | -0.022 | 0.085 | 0.079 | 0.054 | |
3 | 0.161* | 0.055 | 0.976** | 0.360** | 3 | 0.062 | -0.320** | 0.123 | -0.147 | |
4 | -0.076 | 0.148* | -0.021 | 0.941** | 4 | -0.050 | 0.047 | 0.037 | 0.070 |
表5 基于物种坐标值典范对应分析(CCA)前4排序轴的Spearman秩相关系数
Table 5 Spearman’s correlation of the first four canonical correspondence analysis (CCA) axes based on the species scores
未对稀有种处理的CCA排序轴 Ordination axis of untreated rare species | 降低稀有种权重的CCA排序轴 Ordination axis of downweighting of rare species CCA | 剔除稀有种的CCA排序轴 Ordination axis of downweighting of eliminating rare species CCA | 降低稀有种权重的CCA排序轴 Ordination axis of downweighting of rare species CCA | |||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | |||
1 | -0.995** | 0.172** | -0.107 | 0.154* | 1 | 0.034 | -0.048 | 0.086 | -0.110 | |
2 | 0.030 | 0.982** | -0.081 | 0.163* | 2 | -0.022 | 0.085 | 0.079 | 0.054 | |
3 | 0.161* | 0.055 | 0.976** | 0.360** | 3 | 0.062 | -0.320** | 0.123 | -0.147 | |
4 | -0.076 | 0.148* | -0.021 | 0.941** | 4 | -0.050 | 0.047 | 0.037 | 0.070 |
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