黄土高塬沟壑区植被恢复对沟头土壤团聚体特征及土壤可蚀性的影响

王文鑫,王文龙,郭明明,王天超,康宏亮,杨波,赵满,陈卓鑫

Effects of Natural Vegetation Restoration on Characteristics of Soil Aggregate and Soil Erodibility of Gully Heads in Gully Region of the Loess Plateau

WenXin WANG,WenLong WANG,MingMing GUO,TianChao WANG,HongLiang KANG,Bo YANG,Man ZHAO,ZhuoXin CHEN

表4 沟头土壤可蚀性与土壤团聚体特征、机械组成、有机质含量的相关性

Table 4 Correlate relationships between characteristic of soil aggregate, mechanical composition, organic matter content and soil erodibility of gully heads

指标 Index WR0.25 MWD GMD PAD D CLA SIL SAN SOM K WR0.25 1 MWD 0.970** 1 GMD 0.969** 0.994** 1 PAD -0.907** -0.851** -0.873** 1 D -0.972** -0.999** -0.997** 0.860** 1 CLA 0.042 -0.078 -0.142 0.088 0.097 1 SIL -0.050 0.055 -0.018 0.377 -0.030 0.252 1 SAN -0.007 0.031 0.116 -0.254 -0.058 -0.876** -0.687** 1 SOM 0.917** 0.919** 0.946** -0.903** -0.929** -0.278 -0.237 0.326 1 K -0.961** -0.940** -0.933** 0.838** 0.940** -0.155 -0.041 0.137 -0.885** 1