FOREST RESOURCES WANAGEMENT ›› 2022›› Issue (2): 149-156.doi: 10.13466/j.cnki.lyzygl.2022.02.020
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XIANG Ting1(), AI Ning1,2(
), LIU Guangquan2, LIU Changhai1, YANG Ni1, JIA Yuru1, GU Mengyi1
Received:
2022-03-28
Revised:
2022-04-20
Online:
2022-04-28
Published:
2022-06-13
Contact:
AI Ning
E-mail:xiang04302022@163.com;aining_office@126.com
CLC Number:
XIANG Ting, AI Ning, LIU Guangquan, LIU Changhai, YANG Ni, JIA Yuru, GU Mengyi. Characteristics of Soil Moisture and its Response to Seasons in Typical Grassland in the Loess Plateau of Northern Shaanxi[J]. FOREST RESOURCES WANAGEMENT, 2022, (2): 149-156.
Tab.3
Descriptive statistics of grassland soil moisture and soil water storage in the study area
季节 | 坡向 | 坡位 | 平均土壤含水量/% | 最小值/% | 最大值/% | 变异系数 | 土壤储水量/mm |
---|---|---|---|---|---|---|---|
秋季 | 阴 | 上坡位 | 11.38 b | 10.27 | 13.0 | 0.07 | 341.36 |
中坡位 | 13.41 a | 5.99 | 19.72 | 0.29 | 402.35 | ||
下坡位 | 12.53 b | 8.28 | 14.36 | 0.13 | 375.78 | ||
阳 | 上坡位 | 9.98 a | 6.41 | 12.75 | 0.21 | 299.54 | |
中坡位 | 12.74 a | 9.4 | 15.86 | 0.14 | 382.09 | ||
下坡位 | 11.01 c | 8.31 | 14.58 | 0.15 | 330.36 | ||
春季 | 阴 | 上坡位 | 11.62 a | 9.44 | 13.39 | 0.12 | 348.50 |
中坡位 | 12.01 b | 2.46 | 19.2 | 0.4 | 360.18 | ||
下坡位 | 13.69 a | 11.12 | 14.97 | 0.08 | 410.65 | ||
阳 | 上坡位 | 9.02 b | 6.31 | 12.11 | 0.19 | 270.47 | |
中坡位 | 12.06 b | 8.46 | 14.01 | 0.11 | 361.83 | ||
下坡位 | 19.13 a | 18.28 | 20.25 | 0.03 | 573.82 | ||
夏季 | 阴 | 上坡位 | 8.70 c | 1.05 | 11.95 | 0.32 | 260.98 |
中坡位 | 10.29 c | 3.7 | 17.09 | 0.42 | 308.78 | ||
下坡位 | 13.57 a | 9.3 | 16.6 | 0.17 | 407.06 | ||
阳 | 上坡位 | 6.11 c | 0.27 | 8.94 | 0.5 | 183.45 | |
中坡位 | 8.5 c | 1.4 | 11.45 | 0.31 | 254.97 | ||
下坡位 | 11.69 b | 6.28 | 14.06 | 0.21 | 350.63 |
Tab.4
The drying intensity of grassland soil and the thickness of soil dry layer
季节 | 坡向 | 坡位 | 平均干燥化 指数/% | 干燥化强度 | 极度干燥层 厚度/cm | 强烈干燥层 厚度/cm | 严重干燥层 厚度/cm | 中度干燥层 厚度/cm | 轻度干燥层 厚度/cm |
---|---|---|---|---|---|---|---|---|---|
秋季 | 阴 | 上坡位 | 0.30 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 |
中坡位 | 0.22 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
下坡位 | 0.25 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
阳 | 上坡位 | 0.55 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | |
中坡位 | 0.46 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
下坡位 | 0.49 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
春季 | 阴 | 上坡位 | 0.29 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 |
中坡位 | 0.26 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
下坡位 | 0.21 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
阳 | 上坡位 | 0.48 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | |
中坡位 | 0.60 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
下坡位 | 1.03 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
夏季 | 阴 | 上坡位 | 0.38 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 |
中坡位 | 0.31 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
下坡位 | 0.22 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
阳 | 上坡位 | 0.33 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | |
中坡位 | 0.42 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 | ||
下坡位 | 0.64 | 轻度干燥化 | 0 | 0 | 0 | 0 | 300 |
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