不同放牧条件下锡林郭勒典型草原土壤水分分布特征及降水入渗估算

不同放牧条件下锡林郭勒典型草原土壤水分分布特征及降水入渗估算

李晋波,姚楠,赵英,范庭,张建国,兰志龙,易军,司炳成

Characteristics of soil water distribution and evaluation of recharge rate under different grazing history in the Xilin Gol Steppe

LI Jin-Bo,YAO Nan,ZHAO Ying,FAN Ting,ZHANG Jian-Guo,LAN Zhi-Long,YI Jun,SI Bing-Cheng

表2 土壤剖面储水量和含水量分布特征(平均值±标准误差)

Table 2 Characteristics of water storage and water content distribution in the soil profiles(mean ± SD)

深度 Depth (m)	储水量 Water storage (mm)			平均含水量 Average water content (%)
深度 Depth (m)	UG79	UG99	CG	UG79	UG99	CG
0-1	119.40 ± 11.43^a	110.52 ± 8.49^a	93.74 ± 19.67^a	8.52 ± 0.76^a	8.07 ± 0.58^a	6.40 ± 1.20^a
1-2	139.75 ± 2.32^a	61.44 ± 3.97^b	82.89 ± 1.44^b	8.91 ± 0.18^a	4.59 ± 0.24^b	5.17 ± 0.10^b
2-3	103.39 ± 27.89^b	138.66 ± 23.60^a	87.03 ± 31.86^b	6.40 ± 1.72^b	8.53 ± 1.45^a	5.39 ± 2.26^b
3-4	85.76 ± 26.60^a	86.16 ± 2.60^a	110.19 ± 17.07^a	5.28 ± 1.64^a	5.28 ± 0.16^a	6.77 ± 1.05^a
4-5	44.57 ± 8.12^b	143.75 ± 3.85^a	149.90 ± 59.55^ab	5.47 ± 0.63^a	8.82 ± 0.24^a	9.19 ± 3.65^a