Journal of Desert Research ›› 2025, Vol. 45 ›› Issue (3): 337-345.DOI: 10.7522/j.issn.1000-694X.2025.00059
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Miaomiao Shi1,2(), Jianqiang Huo2,3, Gaoling Han2,3, Yicong Nan2,3, Xiaojuan Zhu1, Rui Hu2(
), Xue Su1(
)
Received:
2025-03-31
Revised:
2025-05-09
Online:
2025-05-20
Published:
2025-06-30
Contact:
Rui Hu, Xue Su
CLC Number:
Miaomiao Shi, Jianqiang Huo, Gaoling Han, Yicong Nan, Xiaojuan Zhu, Rui Hu, Xue Su. Characteristics of herbaceous community in revegetation Caraganakorshinskii shrublands in Yanchi, Ningxia, China[J]. Journal of Desert Research, 2025, 45(3): 337-345.
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URL: http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2025.00059
生长 指标 | 1984年 | 1996年 | 2005年 | 2015年 |
---|---|---|---|---|
高度/m | 2.060±0.143a | 1.400±0.157b | 0.848±0.0156c | 0.789±0.0410c |
盖度/% | 5.17±1.61b | 9.33±1.53ab | 8.33±3.51ab | 12.7±1.53a |
冠幅/m2 | 5.70±1.22a | 1.47±0.70b | 1.26±0.65b | 1.00±0.48b |
Table 1 Characteristics of Shrub Species
生长 指标 | 1984年 | 1996年 | 2005年 | 2015年 |
---|---|---|---|---|
高度/m | 2.060±0.143a | 1.400±0.157b | 0.848±0.0156c | 0.789±0.0410c |
盖度/% | 5.17±1.61b | 9.33±1.53ab | 8.33±3.51ab | 12.7±1.53a |
冠幅/m2 | 5.70±1.22a | 1.47±0.70b | 1.26±0.65b | 1.00±0.48b |
年份 | 优势种 | 科 | 属 | 种 | 盖度/% | 地上生物量/g | 凋落物/g |
---|---|---|---|---|---|---|---|
1984 | 茵陈蒿、刺藜、刺蓬 | 12 | 21 | 23 | 8.12±0.56a | 23.0±0.22a | 10.6±0.39a |
1996 | 苦豆子、地锦草、小画眉 | 8 | 16 | 18 | 2.73±0.53c | 2.64±0.19c | 5.54±0.47b |
2005 | 茵陈蒿、雾冰藜、尖头叶藜 | 8 | 16 | 16 | 8.14±1.28a | 16.3±0.63b | 8.10±1.10a |
2015 | 刺蓬、针茅、茵陈蒿 | 13 | 25 | 25 | 6.12±1.01b | 21.9±0.93a | 16.2±1.15a |
Table 2 Characteristics of herbaceous species composition in different sample plots
年份 | 优势种 | 科 | 属 | 种 | 盖度/% | 地上生物量/g | 凋落物/g |
---|---|---|---|---|---|---|---|
1984 | 茵陈蒿、刺藜、刺蓬 | 12 | 21 | 23 | 8.12±0.56a | 23.0±0.22a | 10.6±0.39a |
1996 | 苦豆子、地锦草、小画眉 | 8 | 16 | 18 | 2.73±0.53c | 2.64±0.19c | 5.54±0.47b |
2005 | 茵陈蒿、雾冰藜、尖头叶藜 | 8 | 16 | 16 | 8.14±1.28a | 16.3±0.63b | 8.10±1.10a |
2015 | 刺蓬、针茅、茵陈蒿 | 13 | 25 | 25 | 6.12±1.01b | 21.9±0.93a | 16.2±1.15a |
1984年 | 1996年 | 2005年 | 2015年 | |
---|---|---|---|---|
1984年 | 1 | |||
1996年 | 0.139 | 1 | ||
2005年 | 0.345 | 0.308 | 1 | |
2015年 | 0.412 | 0.265 | 0.242 | 1 |
Table 3 Similarity coefficients of herbaceous communities in different plots
1984年 | 1996年 | 2005年 | 2015年 | |
---|---|---|---|---|
1984年 | 1 | |||
1996年 | 0.139 | 1 | ||
2005年 | 0.345 | 0.308 | 1 | |
2015年 | 0.412 | 0.265 | 0.242 | 1 |
指标 | 放牧 | 未放牧 | t | P |
---|---|---|---|---|
Shannon 多样性指数 | 1.99±0.138 | 2.31±0.205 | 3.19 | 0.010 |
Simpson 多样性指数 | 0.822±0.024 | 0.856±0.042 | 1.72 | 0.115 |
Pielou 均匀度指数 | 0.822±0.020 | 0.842±0.052 | 0.883 | 0.398 |
物种丰富度 | 11.3±1.75 | 15.7±2.16 | 3.82 | 0.003 |
地上生物量 | 12.2±9.27 | 20.8±6.42 | 1.88 | 0.090 |
凋落物 | 6.82±1.59 | 13.4±3.16 | 4.58 | 0.002 |
草本盖度 | 5.27±3.19 | 7.12±1.32 | 1.32 | 0.218 |
Table 4 The influence of grazing on the herbaceous plant community
指标 | 放牧 | 未放牧 | t | P |
---|---|---|---|---|
Shannon 多样性指数 | 1.99±0.138 | 2.31±0.205 | 3.19 | 0.010 |
Simpson 多样性指数 | 0.822±0.024 | 0.856±0.042 | 1.72 | 0.115 |
Pielou 均匀度指数 | 0.822±0.020 | 0.842±0.052 | 0.883 | 0.398 |
物种丰富度 | 11.3±1.75 | 15.7±2.16 | 3.82 | 0.003 |
地上生物量 | 12.2±9.27 | 20.8±6.42 | 1.88 | 0.090 |
凋落物 | 6.82±1.59 | 13.4±3.16 | 4.58 | 0.002 |
草本盖度 | 5.27±3.19 | 7.12±1.32 | 1.32 | 0.218 |
年份 | 土壤 深度 /cm | pH | 有机碳 SOC /(g·kg-1) | 全氮TN /(g·kg-1) | 全磷TP /(g·kg-1) | 微生物量 碳MBC /(mg·kg-1) | 微生物量 氮MBN /(mg·kg-1) |
---|---|---|---|---|---|---|---|
1984 | 0~5 | 9.04±0.06Bb | 6.01±0.20Aa | 0.740±0.100Aa | 1.01±0.04Aa | 384±5.9Aa | 16.3±1.73Aa |
5~10 | 9.21±0.03Ab | 4.15±0.15Ba | 0.500±0.100Aa | 0.98±0.02Aa | 274±10.7Ba | 3.94±1.54Ba | |
1996 | 0~5 | 9.18±0.06Ba | 3.41±0.56Ac | 0.280±0.120Ac | 1.01±0.07Aa | 235±18.8Ab | 4.46±1.89Ab |
5~10 | 9.30±0.10Aa | 2.70±0.10Bb | 0.230±0.100Bc | 0.92±0.16Aa | 197±11.5Aa | 1.29±1.08Aa | |
2005 | 0~5 | 9.01±0.08Bb | 5.82±0.67Aa | 0.520±0.140Ab | 1.04±0.05Aa | 378±11.7Aa | 15.6±1.53Aa |
5~10 | 9.27±0.04Ab | 3.20±0.83Bb | 0.300±0.090Bb | 0.94±0.04Aa | 263±7.63Ba | 2.11±1.75Ba | |
2015 | 0~5 | 9.15±0.07Bab | 5.12±0.05Ab | 0.430±0.100Abc | 0.96±0.07Aa | 364±39.2Aa | 13.9±0.501Aa |
5~10 | 9.26±0.06Aab | 3.85±0.77Ba | 0.290±0.130Bbc | 0.96±0.06Aa | 267±61.2Ba | 4.33±1.05Ba |
Table 5 Physical and Chemical Properties of Soils at Different Depths in Different Plots
年份 | 土壤 深度 /cm | pH | 有机碳 SOC /(g·kg-1) | 全氮TN /(g·kg-1) | 全磷TP /(g·kg-1) | 微生物量 碳MBC /(mg·kg-1) | 微生物量 氮MBN /(mg·kg-1) |
---|---|---|---|---|---|---|---|
1984 | 0~5 | 9.04±0.06Bb | 6.01±0.20Aa | 0.740±0.100Aa | 1.01±0.04Aa | 384±5.9Aa | 16.3±1.73Aa |
5~10 | 9.21±0.03Ab | 4.15±0.15Ba | 0.500±0.100Aa | 0.98±0.02Aa | 274±10.7Ba | 3.94±1.54Ba | |
1996 | 0~5 | 9.18±0.06Ba | 3.41±0.56Ac | 0.280±0.120Ac | 1.01±0.07Aa | 235±18.8Ab | 4.46±1.89Ab |
5~10 | 9.30±0.10Aa | 2.70±0.10Bb | 0.230±0.100Bc | 0.92±0.16Aa | 197±11.5Aa | 1.29±1.08Aa | |
2005 | 0~5 | 9.01±0.08Bb | 5.82±0.67Aa | 0.520±0.140Ab | 1.04±0.05Aa | 378±11.7Aa | 15.6±1.53Aa |
5~10 | 9.27±0.04Ab | 3.20±0.83Bb | 0.300±0.090Bb | 0.94±0.04Aa | 263±7.63Ba | 2.11±1.75Ba | |
2015 | 0~5 | 9.15±0.07Bab | 5.12±0.05Ab | 0.430±0.100Abc | 0.96±0.07Aa | 364±39.2Aa | 13.9±0.501Aa |
5~10 | 9.26±0.06Aab | 3.85±0.77Ba | 0.290±0.130Bbc | 0.96±0.06Aa | 267±61.2Ba | 4.33±1.05Ba |
土壤深度/cm | 1984年 | 1996年 | 2005年 | 2015年 |
---|---|---|---|---|
0~20 | 0.0646±0.0196a | 0.0385±0.0242b | 0.0403±0.0194b | 0.0508±0.0201ab |
20~60 | 0.0596±0.0130a | 0.0567±0.0076a | 0.0387±0.0104b | 0.0657±0.0105a |
60~200 | 0.0585±0.0184a | 0.0665±0.0154a | 0.0278±0.0146b | 0.0570±0.0202a |
Table 6 Soil water contents at different depths in different sample plots
土壤深度/cm | 1984年 | 1996年 | 2005年 | 2015年 |
---|---|---|---|---|
0~20 | 0.0646±0.0196a | 0.0385±0.0242b | 0.0403±0.0194b | 0.0508±0.0201ab |
20~60 | 0.0596±0.0130a | 0.0567±0.0076a | 0.0387±0.0104b | 0.0657±0.0105a |
60~200 | 0.0585±0.0184a | 0.0665±0.0154a | 0.0278±0.0146b | 0.0570±0.0202a |
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