Chin J Plant Ecol ›› 2007, Vol. 31 ›› Issue (4): 568-575.DOI: 10.17521/cjpe.2007.0073
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XIANG Wu-Sheng, LI Xian-Kun*, SU Zong-Ming, OU Zu-Lan, LU Shu-Hua
Received:
2006-07-07
Accepted:
2007-01-05
Online:
2007-07-07
Published:
2007-07-30
Contact:
LI Xian-Kun
XIANG Wu-Sheng, LI Xian-Kun, SU Zong-Ming, OU Zu-Lan, LU Shu-Hua. FRACTAL PROPERTIES OF DISTRIBUTION PATTERNS OF TAXUS CHINENSIS VAR. MAIREI CLONAL POPULATIONS IN THE YUANBAOSHAN MOUNTAIN, CHINA[J]. Chin J Plant Ecol, 2007, 31(4): 568-575.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2007.0073
样地 Plot number | 海拔 Elevation (m) | 坡向 Aspect | 坡度 Slope | 乔木层郁闭度 Arbor canopy density (%) | 灌木层盖度 Shrub coverage (%) | 乔木层优势种 Dominant species of tree layer |
---|---|---|---|---|---|---|
样地1 Plot 1 | 1 880 | E | 20° | 83 | 30 | 南方红豆杉Taxus chinensis var. mairei |
样地2 Plot 2 | 1 920 | E | 10° | 89 | 39 | 南方红豆杉+细柄萸叶五加Taxus chinensis var. mairei+Acanthopanax evodiaefolius var. gracilis |
样地3 Plot 3 | 1 960 | S | 20° | 84 | 67 | 包果石栎+南方红豆杉Lithocarpus cleistocarpa+Taxus chinensis var. mairei |
样地4 Plot 4 | 1 940 | E | 25° | 88 | 36 | 南方铁杉+南方红豆杉Tsuga tchekiangensis+Taxus chinensis var. mairei |
Table 1 The characteristics of the four plots studied
样地 Plot number | 海拔 Elevation (m) | 坡向 Aspect | 坡度 Slope | 乔木层郁闭度 Arbor canopy density (%) | 灌木层盖度 Shrub coverage (%) | 乔木层优势种 Dominant species of tree layer |
---|---|---|---|---|---|---|
样地1 Plot 1 | 1 880 | E | 20° | 83 | 30 | 南方红豆杉Taxus chinensis var. mairei |
样地2 Plot 2 | 1 920 | E | 10° | 89 | 39 | 南方红豆杉+细柄萸叶五加Taxus chinensis var. mairei+Acanthopanax evodiaefolius var. gracilis |
样地3 Plot 3 | 1 960 | S | 20° | 84 | 67 | 包果石栎+南方红豆杉Lithocarpus cleistocarpa+Taxus chinensis var. mairei |
样地4 Plot 4 | 1 940 | E | 25° | 88 | 36 | 南方铁杉+南方红豆杉Tsuga tchekiangensis+Taxus chinensis var. mairei |
样地 Plot number | 回归方程 Regression model | 计盒维数 Box-counting dimension | 相关系数 Correlation coefficient | 显著水平 Significant level |
---|---|---|---|---|
样地1 Plot 1 | y=-1.242 8x+1.694 0 | 1.242 8 | 0.963 0 | p<0.01 |
样地2 Plot 2 | y=-1.128 0x+1.597 6 | 1.128 0 | 0.961 7 | p<0.01 |
样地3 Plot 3 | y=-0.993 1x+1.454 1 | 0.993 1 | 0.954 4 | p<0.01 |
样地4 Plot 4 | y=-1.353 1x+2.136 0 | 1.353 1 | 0.984 3 | p<0.01 |
Table 2 Box-counting dimensions of the distribution patterns of four Taxus chinensis var. mairei clonal populations in the Yuanbaoshan Mountain
样地 Plot number | 回归方程 Regression model | 计盒维数 Box-counting dimension | 相关系数 Correlation coefficient | 显著水平 Significant level |
---|---|---|---|---|
样地1 Plot 1 | y=-1.242 8x+1.694 0 | 1.242 8 | 0.963 0 | p<0.01 |
样地2 Plot 2 | y=-1.128 0x+1.597 6 | 1.128 0 | 0.961 7 | p<0.01 |
样地3 Plot 3 | y=-0.993 1x+1.454 1 | 0.993 1 | 0.954 4 | p<0.01 |
样地4 Plot 4 | y=-1.353 1x+2.136 0 | 1.353 1 | 0.984 3 | p<0.01 |
样地 Plot | 萌生枝强度±SE (分枝/基株) Branching intensity±SE(ramets/genet) | 间隔物长度±SE Spacer length±SE (m) | 克隆构型指数 Architectural index | 克隆构型 Architecture |
---|---|---|---|---|
样地1 Plot 1 | 12.70±0.84 | 0.387±0.085 | 0.672 | 趋于密集型 Tending to phalanx |
样地2 Plot 2 | 6.80±0.41 | 0.943±0.166 | 0.823 | 趋于游击型 Tending to guerrilla |
样地3 Plot 3 | 5.00±0.70 | 0.702±0.153 | 0.840 | 趋于游击型 Tending to guerrilla |
样地4 Plot 4 | 6.90±1.04 | 0.287±0.106 | 0.593 | 趋于密集型 Tending to phalanx |
Table 3 Clonal architecture characteristics of four Taxus chinensis var. mairei populations (Xiang & Li, 2003)
样地 Plot | 萌生枝强度±SE (分枝/基株) Branching intensity±SE(ramets/genet) | 间隔物长度±SE Spacer length±SE (m) | 克隆构型指数 Architectural index | 克隆构型 Architecture |
---|---|---|---|---|
样地1 Plot 1 | 12.70±0.84 | 0.387±0.085 | 0.672 | 趋于密集型 Tending to phalanx |
样地2 Plot 2 | 6.80±0.41 | 0.943±0.166 | 0.823 | 趋于游击型 Tending to guerrilla |
样地3 Plot 3 | 5.00±0.70 | 0.702±0.153 | 0.840 | 趋于游击型 Tending to guerrilla |
样地4 Plot 4 | 6.90±1.04 | 0.287±0.106 | 0.593 | 趋于密集型 Tending to phalanx |
指数 Index | 计盒维数 Box-counting dimension | ||
---|---|---|---|
Pearson相关分析 Pearson correlation | 样本数 N | 显著水平(双尾) Significant level (2-tailed) | |
克隆构型指数 Clonal architecture index | -0.952* | 4 | 0.048 |
Table 4 The Pearson correlation between the box-counting dimension and the clonal architecture index
指数 Index | 计盒维数 Box-counting dimension | ||
---|---|---|---|
Pearson相关分析 Pearson correlation | 样本数 N | 显著水平(双尾) Significant level (2-tailed) | |
克隆构型指数 Clonal architecture index | -0.952* | 4 | 0.048 |
样地 Plot | 分株数 Number of ramets | 回归方程 Regression equation | 信息维数 Information dimension | 相关系数 Correlation coefficient | 显著水平 Significant level |
---|---|---|---|---|---|
样地1 Plot 1 | 106 | y=-1.546 0x+2.872 1 | 1.546 0 | 0.952 7 | p<0.01 |
样地2 Plot 2 | 49 | y=-1.479 2x+2.734 6 | 1.479 2 | 0.953 9 | p<0.01 |
样地3 Plot 3 | 32 | y=-1.350 8x+2.582 8 | 1.350 8 | 0.950 9 | p<0.01 |
样地4 Plot 4 | 80 | y=-1.652 1x+3.201 3 | 1.652 1 | 0.960 9 | p<0.01 |
Table 5 Information dimensions of the distribution patterns of four Taxus chinensis var. mairei populations in the Yuanbaoshan Mountain
样地 Plot | 分株数 Number of ramets | 回归方程 Regression equation | 信息维数 Information dimension | 相关系数 Correlation coefficient | 显著水平 Significant level |
---|---|---|---|---|---|
样地1 Plot 1 | 106 | y=-1.546 0x+2.872 1 | 1.546 0 | 0.952 7 | p<0.01 |
样地2 Plot 2 | 49 | y=-1.479 2x+2.734 6 | 1.479 2 | 0.953 9 | p<0.01 |
样地3 Plot 3 | 32 | y=-1.350 8x+2.582 8 | 1.350 8 | 0.950 9 | p<0.01 |
样地4 Plot 4 | 80 | y=-1.652 1x+3.201 3 | 1.652 1 | 0.960 9 | p<0.01 |
样地 Plot | 格局类型 Type of pattern | 负二项参数k Negative binomial parameter | 格林指数 Green's index | 丛生指标 Index of clumping | 平均拥挤指数 Index of mean crowing | 扩散指数 Index of dispersion |
---|---|---|---|---|---|---|
样地1 Plot 1 | 集群分布Clump | 0.300 8 | 0.140 1 | 12.330 2 | 14.038 6 | 6.222 7 |
样地2 Plot 2 | 集群分布Clump | 0.357 7 | 0.119 4 | 4.776 2 | 6.484 6 | 3.746 3 |
样地3 Plot 3 | 集群分布Clump | 0.756 3 | 0.057 4 | 1.377 4 | 2.419 1 | 2.320 0 |
样地4 Plot 4 | 集群分布Clump | 0.130 7 | 0.325 6 | 15.304 3 | 17.304 3 | 8.489 4 |
Table 6 Clonal spatial patterns of four Taxus chinensis var. mairei clonal populations (5 m×5 m) in the Yuanbaoshan Mountain
样地 Plot | 格局类型 Type of pattern | 负二项参数k Negative binomial parameter | 格林指数 Green's index | 丛生指标 Index of clumping | 平均拥挤指数 Index of mean crowing | 扩散指数 Index of dispersion |
---|---|---|---|---|---|---|
样地1 Plot 1 | 集群分布Clump | 0.300 8 | 0.140 1 | 12.330 2 | 14.038 6 | 6.222 7 |
样地2 Plot 2 | 集群分布Clump | 0.357 7 | 0.119 4 | 4.776 2 | 6.484 6 | 3.746 3 |
样地3 Plot 3 | 集群分布Clump | 0.756 3 | 0.057 4 | 1.377 4 | 2.419 1 | 2.320 0 |
样地4 Plot 4 | 集群分布Clump | 0.130 7 | 0.325 6 | 15.304 3 | 17.304 3 | 8.489 4 |
集聚强度指数 Index of aggregate intensity | 信息维数 Information dimension | |
---|---|---|
Pearson相关分析 Pearson correlation | 显著水平(双尾) Significant level (2-tailed) | |
负二项参数 Negative binomial parameter | -0.972* | 0.028 |
格林指数 Green's index | 0.925 | 0.075 |
丛生指标 Index of clumping | 0.961* | 0.039 |
平均拥挤指数 Index of mean crowing | 0.968* | 0.032 |
扩散指数 Index of dispersion | 0.977* | 0.023 |
Table 7 The Pearson correlation between information dimension and pattern index
集聚强度指数 Index of aggregate intensity | 信息维数 Information dimension | |
---|---|---|
Pearson相关分析 Pearson correlation | 显著水平(双尾) Significant level (2-tailed) | |
负二项参数 Negative binomial parameter | -0.972* | 0.028 |
格林指数 Green's index | 0.925 | 0.075 |
丛生指标 Index of clumping | 0.961* | 0.039 |
平均拥挤指数 Index of mean crowing | 0.968* | 0.032 |
扩散指数 Index of dispersion | 0.977* | 0.023 |
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