Journal of Desert Research ›› 2022, Vol. 42 ›› Issue (2): 134-141.DOI: 10.7522/j.issn.1000-694X.2021.00111
Xiaolong Zhao1(), Yuhong Xie1, Xujun Ma2, Shaokun Wang2(
)
Received:
2021-04-17
Revised:
2021-08-27
Online:
2022-03-20
Published:
2022-03-30
Contact:
Shaokun Wang
CLC Number:
Xiaolong Zhao, Yuhong Xie, Xujun Ma, Shaokun Wang. Vegetation structure and its relationship with soil physicochemical properties in restoring sandy grassland in Horqin Sandy Land[J]. Journal of Desert Research, 2022, 42(2): 134-141.
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URL: http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2021.00111
项目 | 土壤深度 /cm | 恢复年限/a | ||
---|---|---|---|---|
12 | 17 | 20 | ||
土壤有机质/(g·kg-1) | 0—10 | 0.42±0.08c | 1.13±0.41b | 4.86±0.93a |
10—20 | 0.43±0.04b | 0.97±0.32b | 3.26±0.66a | |
全氮/(g·kg-1) | 0—10 | 0.024±0.02b | 0.065±0.04b | 0.517±0.1a |
10—20 | 0.025±0.01b | 0.079±0.06b | 0.198±0.16a | |
速效氮/(mg·kg-1) | 0—10 | 10.71±3.05b | 13.14±4.26b | 37.02±7.32a |
10—20 | 6.88±3.67b | 9.43±9.23b | 22.75±4.73a | |
速效磷/(mg·kg-1) | 0—10 | 9.83±0.24a | 9.97±0.18a | 9.55±0.17b |
10—20 | 9.92±0.25a | 9.78±0.11a | 9.32±0.06b | |
速效钾/(mg·kg-1) | 0—10 | 41.28±4.89c | 71.78±13.50b | 148.17±30.96a |
10—20 | 44.83±6.66b | 59.44±10.76ab | 76.78±17.09a | |
缓效钾/(mg·kg-1) | 0—10 | 191.17±17.63c | 260.06±42.19b | 452.06±56.44a |
10—20 | 197.22±15.7b | 210.22±14.84b | 389.78±48.68a | |
pH值 | 0—5 | 7.93±0.03a | 7.82±0.15a | 8.34±0.08a |
5—10 | 7.95±0.09a | 7.94±0.21a | 8.44±0.02a | |
土壤含水量/% | 0—5 | 0.37±0.08c | 1.92±0.37a | 0.95±0.30b |
5—10 | 0.82±0.45c | 2.03±0.24a | 1.4±0.36b | |
土壤微生物生物量碳/(g·kg-1) | 0—5 | 34.73±33.21a | 53.88±41.73a | 53.41±40.23a |
5—10 | 47.87±26.91a | 57.21±13.69a | 77.31±62.24a |
Table 1 Soil physicochemical properties in different restoration stages
项目 | 土壤深度 /cm | 恢复年限/a | ||
---|---|---|---|---|
12 | 17 | 20 | ||
土壤有机质/(g·kg-1) | 0—10 | 0.42±0.08c | 1.13±0.41b | 4.86±0.93a |
10—20 | 0.43±0.04b | 0.97±0.32b | 3.26±0.66a | |
全氮/(g·kg-1) | 0—10 | 0.024±0.02b | 0.065±0.04b | 0.517±0.1a |
10—20 | 0.025±0.01b | 0.079±0.06b | 0.198±0.16a | |
速效氮/(mg·kg-1) | 0—10 | 10.71±3.05b | 13.14±4.26b | 37.02±7.32a |
10—20 | 6.88±3.67b | 9.43±9.23b | 22.75±4.73a | |
速效磷/(mg·kg-1) | 0—10 | 9.83±0.24a | 9.97±0.18a | 9.55±0.17b |
10—20 | 9.92±0.25a | 9.78±0.11a | 9.32±0.06b | |
速效钾/(mg·kg-1) | 0—10 | 41.28±4.89c | 71.78±13.50b | 148.17±30.96a |
10—20 | 44.83±6.66b | 59.44±10.76ab | 76.78±17.09a | |
缓效钾/(mg·kg-1) | 0—10 | 191.17±17.63c | 260.06±42.19b | 452.06±56.44a |
10—20 | 197.22±15.7b | 210.22±14.84b | 389.78±48.68a | |
pH值 | 0—5 | 7.93±0.03a | 7.82±0.15a | 8.34±0.08a |
5—10 | 7.95±0.09a | 7.94±0.21a | 8.44±0.02a | |
土壤含水量/% | 0—5 | 0.37±0.08c | 1.92±0.37a | 0.95±0.30b |
5—10 | 0.82±0.45c | 2.03±0.24a | 1.4±0.36b | |
土壤微生物生物量碳/(g·kg-1) | 0—5 | 34.73±33.21a | 53.88±41.73a | 53.41±40.23a |
5—10 | 47.87±26.91a | 57.21±13.69a | 77.31±62.24a |
序号 | 恢复12年 | 恢复17年 | 恢复20年 | |||
---|---|---|---|---|---|---|
科名 | 属数 | 科名 | 属数 | 科名 | 属数 | |
1 | 禾本科 | 3 | 禾本科 | 4 | 禾本科 | 6 |
2 | 菊科 | 2 | 苋科 | 2 | 豆科 | 1 |
3 | 藜科 | 2 | 菊科 | 2 | 苋科 | 1 |
4 | 苋科 | 1 | 藜科 | 2 | 菊科 | 1 |
5 | 葡萄科 | 1 | 豆科 | 1 | 藜科 | 1 |
6 | 蒺藜科 | 1 | 葡萄科 | 1 | 葡萄科 | 1 |
7 | 萝藦科 | 1 | 蒺藜科 | 1 | 蔷薇科 | 1 |
8 | 萝藦科 | 1 | 蒺藜科 | 1 | ||
9 | 牻牛儿苗科 | 1 | ||||
10 | 旋花科 | 1 |
Table 2 Distribution of plant families and genera along sandy land restoration
序号 | 恢复12年 | 恢复17年 | 恢复20年 | |||
---|---|---|---|---|---|---|
科名 | 属数 | 科名 | 属数 | 科名 | 属数 | |
1 | 禾本科 | 3 | 禾本科 | 4 | 禾本科 | 6 |
2 | 菊科 | 2 | 苋科 | 2 | 豆科 | 1 |
3 | 藜科 | 2 | 菊科 | 2 | 苋科 | 1 |
4 | 苋科 | 1 | 藜科 | 2 | 菊科 | 1 |
5 | 葡萄科 | 1 | 豆科 | 1 | 藜科 | 1 |
6 | 蒺藜科 | 1 | 葡萄科 | 1 | 葡萄科 | 1 |
7 | 萝藦科 | 1 | 蒺藜科 | 1 | 蔷薇科 | 1 |
8 | 萝藦科 | 1 | 蒺藜科 | 1 | ||
9 | 牻牛儿苗科 | 1 | ||||
10 | 旋花科 | 1 |
植物种 | 恢复年限/a | ||
---|---|---|---|
12 | 17 | 20 | |
苦苣菜(Sonchus oleraceus) | 0.088±0.030 | ||
蓼子朴(Inula salsoloides) | 0.447±0.100 | ||
沙米 (Agriophyllum squarrosum) | 0.124±0.065 | ||
狭叶苦荬菜(Ixeris chinensis) | 0.068±0.030 | ||
光梗蒺藜草(Cenchrus incertus) | 0.198±0.118 | ||
大果虫实(Corispermum macrocarpum) | 0.050±0.026 | 0.075±0.054 | |
地梢瓜(Cynanchum thesioides) | 0.058±0.034 | 0.070±0.146 | |
野糜子(Panicum ruderale) | 0.044 | 0.085±0.028 | |
蒺藜(Tribulus terrester) | 0.104±0.045 | 0.045±0.020 | 0.082±0.081 |
狗尾草(Setaria viridis) | 0.108±0.047 | 0.079±0.038 | 0.082±0.074 |
地锦(Euphorbia humifusa) | 0.023 | 0.024±0.007 | 0.020±0.005 |
薄翅猪毛菜(Salsola pellucida) | 0.037 | 0.247±0.135 | 0.077±0.094 |
尖头叶藜(Chenopodium acuminatum) | 0.120±0.087 | 0.114±0.079 | |
黄蒿(Artemisia scoparia) | 0.146±0.052 | 0.242±0.122 | |
白草(Pennisetum centrasiaticum) | 0.112 | 0.213±0.029 | |
冠芒草(Eneapogon borealis) | 0.042 | 0.040±0.010 | |
扁蓿豆(Medicago ruthenica) | 0.162 | ||
画眉草(Eragrostis pilosa) | 0.139±0.114 | ||
砂蓝刺头(Echinops gmelini) | 0.219±0.109 | ||
雾冰藜(Bassia dasyphylla) | 0.065±0.042 | ||
糙隐子草(Cleistogenes squarrosa) | 0.167±0.059 | ||
二裂委陵菜(Potentilla bifurca) | 0.155±0.074 | ||
芦苇(Phragmites australis) | 0.208±0.059 | ||
牻牛儿苗(Erodium stephanianum) | 0.188±0.111 | ||
米口袋(Gueldenstaedtia stenophylla) | 0.019 | ||
田旋花(Convolvulus arvensis) | 0.030±0.002 |
Table 3 Important values of main plant species along sandy land restoration
植物种 | 恢复年限/a | ||
---|---|---|---|
12 | 17 | 20 | |
苦苣菜(Sonchus oleraceus) | 0.088±0.030 | ||
蓼子朴(Inula salsoloides) | 0.447±0.100 | ||
沙米 (Agriophyllum squarrosum) | 0.124±0.065 | ||
狭叶苦荬菜(Ixeris chinensis) | 0.068±0.030 | ||
光梗蒺藜草(Cenchrus incertus) | 0.198±0.118 | ||
大果虫实(Corispermum macrocarpum) | 0.050±0.026 | 0.075±0.054 | |
地梢瓜(Cynanchum thesioides) | 0.058±0.034 | 0.070±0.146 | |
野糜子(Panicum ruderale) | 0.044 | 0.085±0.028 | |
蒺藜(Tribulus terrester) | 0.104±0.045 | 0.045±0.020 | 0.082±0.081 |
狗尾草(Setaria viridis) | 0.108±0.047 | 0.079±0.038 | 0.082±0.074 |
地锦(Euphorbia humifusa) | 0.023 | 0.024±0.007 | 0.020±0.005 |
薄翅猪毛菜(Salsola pellucida) | 0.037 | 0.247±0.135 | 0.077±0.094 |
尖头叶藜(Chenopodium acuminatum) | 0.120±0.087 | 0.114±0.079 | |
黄蒿(Artemisia scoparia) | 0.146±0.052 | 0.242±0.122 | |
白草(Pennisetum centrasiaticum) | 0.112 | 0.213±0.029 | |
冠芒草(Eneapogon borealis) | 0.042 | 0.040±0.010 | |
扁蓿豆(Medicago ruthenica) | 0.162 | ||
画眉草(Eragrostis pilosa) | 0.139±0.114 | ||
砂蓝刺头(Echinops gmelini) | 0.219±0.109 | ||
雾冰藜(Bassia dasyphylla) | 0.065±0.042 | ||
糙隐子草(Cleistogenes squarrosa) | 0.167±0.059 | ||
二裂委陵菜(Potentilla bifurca) | 0.155±0.074 | ||
芦苇(Phragmites australis) | 0.208±0.059 | ||
牻牛儿苗(Erodium stephanianum) | 0.188±0.111 | ||
米口袋(Gueldenstaedtia stenophylla) | 0.019 | ||
田旋花(Convolvulus arvensis) | 0.030±0.002 |
恢复 年限/a | 群落特征 | ||||||
---|---|---|---|---|---|---|---|
高度/cm | 盖度/% | 生物量/(g·m-2) | 丰富度指数R | 优势度指数FD | 多样性指数H | 均匀度指数E | |
12 | 9.66±2.31a | 23.1±7.8a | 23.51±5.21a | 6.3±1.62a | 0.73±0.08a | 1.47±0.18a | 0.82±0.07a |
17 | 8.81±4.81a | 30.78±10.65a | 24.79±8.91a | 8.67±1.49b | 0.79±0.05b | 1.84±0.18b | 0.86±0.04a |
20 | 17.23±6.86b | 54±7.76b | 69.47±27.28b | 8.2±0.98b | 0.79±0.06b | 1.79±0.23b | 0.85±0.07a |
Table 4 Changes of vegetation community along sandy land restoration
恢复 年限/a | 群落特征 | ||||||
---|---|---|---|---|---|---|---|
高度/cm | 盖度/% | 生物量/(g·m-2) | 丰富度指数R | 优势度指数FD | 多样性指数H | 均匀度指数E | |
12 | 9.66±2.31a | 23.1±7.8a | 23.51±5.21a | 6.3±1.62a | 0.73±0.08a | 1.47±0.18a | 0.82±0.07a |
17 | 8.81±4.81a | 30.78±10.65a | 24.79±8.91a | 8.67±1.49b | 0.79±0.05b | 1.84±0.18b | 0.86±0.04a |
20 | 17.23±6.86b | 54±7.76b | 69.47±27.28b | 8.2±0.98b | 0.79±0.06b | 1.79±0.23b | 0.85±0.07a |
植物群落特征 | 逐步回归方程 | 显著性 |
---|---|---|
植物高度 | Hight=10.85×SWC-10.45×AP+108.24 | R2=0.845, F=18.786, P<0.001 |
植被盖度 | Cover=1.17×AN+8.97 | R2=0.863, F=46.523, P<0.001 |
地上生物量 | Biomass=67.39×pH-33.77×AP-182.06 | R2=0.911, F=36.708, P<0.001 |
丰富度指数 | R=1.49×SWC+5.66 | R2=0.590, F=8.524, P=-0.01 |
优势度指数 | FD=0.11×SWC+0.002×SK-0.09×SOC+0.33 | R2=0.806, F=8.655, P=0.002 |
多样性指数 | H=0.33×SWC+0.01×SK-0.48×SOC+0.01×AK-0.29 | R2=0.916, F=17.051, P<0.001 |
Table 5 Stepwise regression models between vegetation community and soil physicochemical properties
植物群落特征 | 逐步回归方程 | 显著性 |
---|---|---|
植物高度 | Hight=10.85×SWC-10.45×AP+108.24 | R2=0.845, F=18.786, P<0.001 |
植被盖度 | Cover=1.17×AN+8.97 | R2=0.863, F=46.523, P<0.001 |
地上生物量 | Biomass=67.39×pH-33.77×AP-182.06 | R2=0.911, F=36.708, P<0.001 |
丰富度指数 | R=1.49×SWC+5.66 | R2=0.590, F=8.524, P=-0.01 |
优势度指数 | FD=0.11×SWC+0.002×SK-0.09×SOC+0.33 | R2=0.806, F=8.655, P=0.002 |
多样性指数 | H=0.33×SWC+0.01×SK-0.48×SOC+0.01×AK-0.29 | R2=0.916, F=17.051, P<0.001 |
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