Chin J Plant Ecol ›› 2007, Vol. 31 ›› Issue (2): 283-290.DOI: 10.17521/cjpe.2007.0032
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LI Yuan(), TAO Jian-Ping(
), WANG Yong-Jian, YU Xiao-Hong, XI Yi
Accepted:
2006-02-22
Published:
2007-03-30
Contact:
TAO Jian-Ping
About author:
First author contact:E-mail of the first author: xly1126@swu.edu.cn
LI Yuan, TAO Jian-Ping, WANG Yong-Jian, YU Xiao-Hong, XI Yi. EFFECTS OF FARGESIA NITIDA ON REGENERATION OF ABIES FAXONIANA SEEDLINGS NEAR THE EDGE OF SUBALPINE DARK CONIFEROUS FOREST[J]. Chin J Plant Ecol, 2007, 31(2): 283-290.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2007.0032
线性回归方程 Liner regression | 相关系数 Correlation coefficient (R2) | ||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
根干重与基径 Root dry mass and basal diameter | y=10.674x-2.603 | 0.582** | |||||||||||||||||||||||||||||||
茎干重与基径 Stem dry mass and basal diameter | y=13.754x-4.146 | 0.530** | |||||||||||||||||||||||||||||||
叶干重与基径 Leave dry mass and basal diameter | y=1.173x-0.268 | 0.598** | |||||||||||||||||||||||||||||||
枝干重与基径 Branch dry mass and basal diameter | y=7.266x-2.092 | 0.618** |
Table 1 Regression models of biomass
线性回归方程 Liner regression | 相关系数 Correlation coefficient (R2) | ||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
根干重与基径 Root dry mass and basal diameter | y=10.674x-2.603 | 0.582** | |||||||||||||||||||||||||||||||
茎干重与基径 Stem dry mass and basal diameter | y=13.754x-4.146 | 0.530** | |||||||||||||||||||||||||||||||
叶干重与基径 Leave dry mass and basal diameter | y=1.173x-0.268 | 0.598** | |||||||||||||||||||||||||||||||
枝干重与基径 Branch dry mass and basal diameter | y=7.266x-2.092 | 0.618** |
径级 BD class | 带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |||||
---|---|---|---|---|---|---|---|---|---|---|
株数 Number | 密度(ind.·m-2) Density | 株数 Number | 密度(ind.·m-2) Density | 株数 Number | 密度(ind.·m-2) Density | 株数 Number | 密度(ind.·m-2) Density | 株数 Number | 密度(ind.·m-2) Density | |
Ⅰ级 | 7 | 2±0.42b | 28 | 9±0.08b | 66 | 22±0.04a | 73 | 24±0.01a | 15 | 5±0.02b |
Ⅱ级 | 21 | 7±0.50b | 42 | 14±1.84b | 81 | 27±1.90a | 24 | 8±1.35b | 9 | 3±0.11b |
Ⅲ级 | 27 | 9±0.19ab | 34 | 11±0.59a | 28 | 9±0.68ab | 15 | 5±0.69bc | 4 | 1±0.22c |
Ⅳ级 | 20 | 7±0.73ns | 12 | 4±0.33ns | 5 | 2±0.22ns | 1 | 0 | 0 | 0 |
Ⅴ级 | 8 | 3±0.22ns | 3 | 1±0.22ns | 3 | 1±0.33ns | 0 | 0 | 0 | 0 |
总合Total | 83 | 28 | 119 | 40 | 183 | 61 | 113 | 38 | 28 | 9 |
Table 2 Density of different BD class of seedling in five different transects
径级 BD class | 带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |||||
---|---|---|---|---|---|---|---|---|---|---|
株数 Number | 密度(ind.·m-2) Density | 株数 Number | 密度(ind.·m-2) Density | 株数 Number | 密度(ind.·m-2) Density | 株数 Number | 密度(ind.·m-2) Density | 株数 Number | 密度(ind.·m-2) Density | |
Ⅰ级 | 7 | 2±0.42b | 28 | 9±0.08b | 66 | 22±0.04a | 73 | 24±0.01a | 15 | 5±0.02b |
Ⅱ级 | 21 | 7±0.50b | 42 | 14±1.84b | 81 | 27±1.90a | 24 | 8±1.35b | 9 | 3±0.11b |
Ⅲ级 | 27 | 9±0.19ab | 34 | 11±0.59a | 28 | 9±0.68ab | 15 | 5±0.69bc | 4 | 1±0.22c |
Ⅳ级 | 20 | 7±0.73ns | 12 | 4±0.33ns | 5 | 2±0.22ns | 1 | 0 | 0 | 0 |
Ⅴ级 | 8 | 3±0.22ns | 3 | 1±0.22ns | 3 | 1±0.33ns | 0 | 0 | 0 | 0 |
总合Total | 83 | 28 | 119 | 40 | 183 | 61 | 113 | 38 | 28 | 9 |
转化率 Efficiency of transformation | 带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 |
---|---|---|---|---|---|
A (Ⅱ/Ⅰ) | / | / | / | 0.33 | 0.60 |
B (Ⅲ/Ⅱ) | / | 0.81 | 0.35 | 0.63 | 0.44 |
C (Ⅳ/Ⅲ) | 0.74 | 0.35 | 0.18 | 0.07 | 0.00 |
D (Ⅴ/Ⅳ) | 0.40 | 0.25 | 0.60 | 0.00 | 0.00 |
Table 3 Efficiency of transformation from seedlings to saplings in five different transects
转化率 Efficiency of transformation | 带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 |
---|---|---|---|---|---|
A (Ⅱ/Ⅰ) | / | / | / | 0.33 | 0.60 |
B (Ⅲ/Ⅱ) | / | 0.81 | 0.35 | 0.63 | 0.44 |
C (Ⅳ/Ⅲ) | 0.74 | 0.35 | 0.18 | 0.07 | 0.00 |
D (Ⅴ/Ⅳ) | 0.40 | 0.25 | 0.60 | 0.00 | 0.00 |
径级(cm) BD class | 平均冠幅 Average crown (cm-2) | ||||
---|---|---|---|---|---|
带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |
0.0~0.3 | 32.00±4.62ns | 34.00±9.92ns | 46.00±9.10ns | 47.00±8.58ns | 39.00±0.00ns |
0.3~0.6 | 254.00±74.78ns | 176.00±24.50ns | 227.00±47.44ns | 251.00±73.17ns | 132.00±27.44ns |
0.6~0.9 | 543.00±95.66ab | 460.00±65.09b | 431.00±50.96b | 737.00±151.22a | 140.00±59.20b |
0.9~1.2 | 1 194.00±126.42ns | 1 096.00±157.52ns | 891.00±532.80ns | / | / |
≥1.2 | 1 578.00±405.54ns | 2 988.00±556.57ns | 4 150.00±1299.52ns | / | / |
Table 4 Average crown of different BD classes in five different transects (Mean±SE)
径级(cm) BD class | 平均冠幅 Average crown (cm-2) | ||||
---|---|---|---|---|---|
带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |
0.0~0.3 | 32.00±4.62ns | 34.00±9.92ns | 46.00±9.10ns | 47.00±8.58ns | 39.00±0.00ns |
0.3~0.6 | 254.00±74.78ns | 176.00±24.50ns | 227.00±47.44ns | 251.00±73.17ns | 132.00±27.44ns |
0.6~0.9 | 543.00±95.66ab | 460.00±65.09b | 431.00±50.96b | 737.00±151.22a | 140.00±59.20b |
0.9~1.2 | 1 194.00±126.42ns | 1 096.00±157.52ns | 891.00±532.80ns | / | / |
≥1.2 | 1 578.00±405.54ns | 2 988.00±556.57ns | 4 150.00±1299.52ns | / | / |
径级(cm) BD class | 平均高度 Average height (cm) | ||||
---|---|---|---|---|---|
带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |
0.0~0.3 | 8.79±1.30a | 6.39±0.60b | 7.72±0.38b | 5.48±0.35bc | 4.27±0.47c |
0.3~0.6 | 16.45±1.50ns | 18.66±1.03ns | 18.02±0.73ns | 15.88±2.05ns | 19.33±1.70ns |
0.6~0.9 | 32.22±1.78ns | 30.24±1.64ns | 29.14±2.07ns | 29.87±2.87ns | 30.25±6.05ns |
0.9~1.2 | 43.78±2.69ns | 40.42±3.08ns | 41.40±10.27ns | / | / |
≥1.2 | 49.13±5.66ns | 62.00±9.24ns | 53.67±10.90ns | / | / |
Table 5 Average height of different BD classes in five different transects (Mean±SE)
径级(cm) BD class | 平均高度 Average height (cm) | ||||
---|---|---|---|---|---|
带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |
0.0~0.3 | 8.79±1.30a | 6.39±0.60b | 7.72±0.38b | 5.48±0.35bc | 4.27±0.47c |
0.3~0.6 | 16.45±1.50ns | 18.66±1.03ns | 18.02±0.73ns | 15.88±2.05ns | 19.33±1.70ns |
0.6~0.9 | 32.22±1.78ns | 30.24±1.64ns | 29.14±2.07ns | 29.87±2.87ns | 30.25±6.05ns |
0.9~1.2 | 43.78±2.69ns | 40.42±3.08ns | 41.40±10.27ns | / | / |
≥1.2 | 49.13±5.66ns | 62.00±9.24ns | 53.67±10.90ns | / | / |
带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |
---|---|---|---|---|---|
线性回归Liner regression | y=42.78x-1.43 | y=42.32x-0.62 | y=40.84x-0.39 | y=37.83x-0.64 | y=36.58x+0.99 |
相关系数Correlation coefficient (R2) | 0.61 | 0.67 | 0.53 | 0.49 | 0.52 |
相关系数的F值 F-value of R2 | 116.82** | 195.43** | 114.88** | 41.69** | 10.36** |
Table 6 Regression equation and correlation coefficient in five different transects
带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |
---|---|---|---|---|---|
线性回归Liner regression | y=42.78x-1.43 | y=42.32x-0.62 | y=40.84x-0.39 | y=37.83x-0.64 | y=36.58x+0.99 |
相关系数Correlation coefficient (R2) | 0.61 | 0.67 | 0.53 | 0.49 | 0.52 |
相关系数的F值 F-value of R2 | 116.82** | 195.43** | 114.88** | 41.69** | 10.36** |
各部分总生物量 Total biomass of each part (g·30 m-2) | 带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |
---|---|---|---|---|---|---|
小幼苗 Younger seedling H<0.2 m | 根总生物量Total biomass of roots | 2.04±0.09ab | 2.25±0.11ab | 5.17±0.01a | 1.97±0.06ab | 0.43±0.18b |
茎总生物量Total biomass of stems | 2.10±0.43ab | 2.13±0.42ab | 4.95±0.05a | 1.90±0.24ab | 0.43±0.72b | |
叶总生物量Total biomass of leaves | 0.24±0.45ab | 0.26±0.42ab | 0.61±0.05a | 0.23±0.24ab | 0.05±0.74b | |
枝总生物量Total biomass of branches | 1.18±0.42ab | 1.22±0.41ab | 2.83±0.05a | 1.08±0.24ab | 0.24±0.71b | |
地上总生物量Total biomass of aboveground | 3.56±0.04ab | 3.71±0.03ab | 8.59±0.01a | 3.29±0.02ab | 0.73±0.06b | |
根冠比Root mass/aboveground mass | 0.44±0.13ab | 0.69±0.73ab | 1.50±0.59a | 0.64±0.79ab | 0.12±0.28b | |
小幼苗总生物量Total biomass | 5.56±0.56ab | 5.86±2.28ab | 13.56±1.67a | 5.18±2.32ab | 1.16±0.43b | |
大幼苗 Older seedling H≥0.2 m | 根总生物量Total biomass of roots | 12.99±0.67a | 10.83±0.80a | 8.45±0.07a | 2.58±0.43b | 0.97±1.30b |
茎总生物量Total biomass of stems | 15.26±0.63a | 12.34±0.71a | 9.51±0.07a | 2.90±0.39b | 1.04±1.17b | |
叶总生物量Total biomass of leaves | 1.46±0.56a | 1.23±0.68a | 0.96±0.06a | 0.29±0.37b | 0.11±1.10b | |
枝总生物量Total biomass of branches | 8.24±0.34a | 6.72±0.38a | 5.20±0.04a | 1.58±0.21b | 0.58±0.63b | |
地上总生物量Total biomass of aboveground | 24.89±0.09a | 20.30±0.10a | 15.70±0.01a | 4.79±0.05b | 1.74±0.16b | |
根冠比Root mass/aboveground mass | 0.99±0.17a | 1.12±0.33a | 0.97±0.13a | 0.29±0.33b | 0.15±0.22b | |
大幼苗总生物量Total biomass | 37.95±1.46a | 31.11±1.58a | 24.11±1.69a | 7.35±1.83b | 2.70±1.21b | |
幼苗总生物量 Total biomass of seedlings | 43.51±0.85a | 36.97±1.57a | 37.67±1.68a | 12.53±2.05b | 3.86±0.84b |
Table 7 Biomass of different organs of two size seedlings in five different transects (Mean±SE)
各部分总生物量 Total biomass of each part (g·30 m-2) | 带1 Zone 1 | 带2 Zone 2 | 带3 Zone 3 | 带4 Zone 4 | 带5 Zone 5 | |
---|---|---|---|---|---|---|
小幼苗 Younger seedling H<0.2 m | 根总生物量Total biomass of roots | 2.04±0.09ab | 2.25±0.11ab | 5.17±0.01a | 1.97±0.06ab | 0.43±0.18b |
茎总生物量Total biomass of stems | 2.10±0.43ab | 2.13±0.42ab | 4.95±0.05a | 1.90±0.24ab | 0.43±0.72b | |
叶总生物量Total biomass of leaves | 0.24±0.45ab | 0.26±0.42ab | 0.61±0.05a | 0.23±0.24ab | 0.05±0.74b | |
枝总生物量Total biomass of branches | 1.18±0.42ab | 1.22±0.41ab | 2.83±0.05a | 1.08±0.24ab | 0.24±0.71b | |
地上总生物量Total biomass of aboveground | 3.56±0.04ab | 3.71±0.03ab | 8.59±0.01a | 3.29±0.02ab | 0.73±0.06b | |
根冠比Root mass/aboveground mass | 0.44±0.13ab | 0.69±0.73ab | 1.50±0.59a | 0.64±0.79ab | 0.12±0.28b | |
小幼苗总生物量Total biomass | 5.56±0.56ab | 5.86±2.28ab | 13.56±1.67a | 5.18±2.32ab | 1.16±0.43b | |
大幼苗 Older seedling H≥0.2 m | 根总生物量Total biomass of roots | 12.99±0.67a | 10.83±0.80a | 8.45±0.07a | 2.58±0.43b | 0.97±1.30b |
茎总生物量Total biomass of stems | 15.26±0.63a | 12.34±0.71a | 9.51±0.07a | 2.90±0.39b | 1.04±1.17b | |
叶总生物量Total biomass of leaves | 1.46±0.56a | 1.23±0.68a | 0.96±0.06a | 0.29±0.37b | 0.11±1.10b | |
枝总生物量Total biomass of branches | 8.24±0.34a | 6.72±0.38a | 5.20±0.04a | 1.58±0.21b | 0.58±0.63b | |
地上总生物量Total biomass of aboveground | 24.89±0.09a | 20.30±0.10a | 15.70±0.01a | 4.79±0.05b | 1.74±0.16b | |
根冠比Root mass/aboveground mass | 0.99±0.17a | 1.12±0.33a | 0.97±0.13a | 0.29±0.33b | 0.15±0.22b | |
大幼苗总生物量Total biomass | 37.95±1.46a | 31.11±1.58a | 24.11±1.69a | 7.35±1.83b | 2.70±1.21b | |
幼苗总生物量 Total biomass of seedlings | 43.51±0.85a | 36.97±1.57a | 37.67±1.68a | 12.53±2.05b | 3.86±0.84b |
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