Arid Land Geography ›› 2022, Vol. 45 ›› Issue (5): 1579-1590.doi: 10.12118/j.issn.1000-6060.2022.054
• Biology and Pedology • Previous Articles Next Articles
ZHU Jialong1,2,3,4(),ZHOU Zhibin1,2,3(
),WANG Lisheng5,LYU Ping5,JIANG Yongxue6
Received:
2022-02-15
Revised:
2022-03-15
Online:
2022-09-25
Published:
2022-10-20
Contact:
Zhibin ZHOU
E-mail:zhujialong19@mails.ucas.ac.cn;zhouzb@ms.xjb.ac.cn
ZHU Jialong,ZHOU Zhibin,WANG Lisheng,LYU Ping,JIANG Yongxue. Coupling relationship between growth and soil moisture change of Haloxylon ammodendron plantation without irrigation[J].Arid Land Geography, 2022, 45(5): 1579-1590.
Tab. 1
Basic characteristics of Haloxylon ammodendron forest land"
造林密度 | 高密度 | 中密度 | 低密度 |
---|---|---|---|
株行距/m×m | 1.5×7 | 4×4 | 6×3.5 |
初始造林密度/株·hm-2 | 990 | 600 | 480 |
保留密度/株·hm-2 | 360 | 410 | 400 |
自然更新比 | 3.49 | 4.22 | 5.85 |
郁闭度/% | 11.87 | 11.41 | 12.08 |
林下植物盖度/% | 21.27 | 16.69 | 24.11 |
母树保存率/% | 36.36 | 68.33 | 83.33 |
种植母树/株 | 99 | 60 | 48 |
现存母树/株 | 36 | 41 | 40 |
幼树/株 | 50 | 48 | 32 |
幼苗/株 | 296 | 205 | 249 |
梭梭总数/株 | 382 | 294 | 321 |
Tab. 3
Distribution characteristics of soil moisture at different observation point"
位置 | 高密度(1.5 m×7 m) | 中密度(4 m×4 m) | 低密度(6 m×3.5 m) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
距根部/cm | 均值/% | 5%显著性水平 | 距根部/cm | 均值/% | 5%显著性水平 | 距根部/cm | 均值/% | 5%显著性水平 | |||
垄顶 | 350 | 6.41 | ab | 200 | 9.11 | a | 175 | 6.37 | a | ||
坡中 | 175 | 7.30 | a | 100 | 7.06 | a | 88 | 5.08 | ab | ||
根部 | 10 | 7.58 | a | 10 | 6.31 | a | 10 | 4.54 | b | ||
株间 | 75 | 5.74 | b | 200 | 8.93 | a | 300 | 5.42 | ab |
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