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3 土壤含水量与土壤有机质及质地的相关系数

Table 3 Correlation coefficients of soil water content with soil organic matter and texture

处理 Sampling plots 样本数 Number of samples 土壤有 机质 SOM 沙粒 Sand 粉粒 Silt 黏粒 Clay UG79 (0-2 m) 20 0.537** -0.597** 0.633** 0.441** UG99 (0-2 m) 20 0.890** -0.295 0.195 0.390* CG (0-2 m) 20 0.795** -0.436* 0.467* 0.362 UG79 (2-5 m) 25 0.720** -0.565** 0.380* 0.578** UG99 (2-5 m) 25 0.233 -0.678** 0.611** 0.668** CG (2-5 m) 25 -0.199 -0.569** 0.547** 0.567**