高寒冻土区生物结皮对土壤理化属性的影响
明姣, 盛煜, 金会军, 张泽, 杜玉霞

The impact of the biological soil crusts on the frozen soil properties in the frozen ground region
Jiao MING, Yu SHENG, Huijun JIN, Ze ZHANG, Yuxia DU
表2 不同类型生物结皮各土层土壤养分含量
Table 2 Soil total nitrogen content in different soil layers of different types of biocrusts
土壤养分不同结皮类型结皮层0~5 cm5~10 cm10~20 cm
有机质/%D-BSC4.87Aa4.58Aa4.52Aa3.96Ab
L-BSC4.18Aa3.54Bb3.07Bb2.64Bc
NONE1.22Cc1.33Cc1.52Cc
全氮/(g·kg-1D-BSC2.66Aa2.25Bab2.59Ba2.45Bab
L-BSC2.16Aa1.72Ab1.66Ab1.47Ab
NONE1.37Ac1.35Ac1.33Ac
pHD-BSC7.22Aab7.21Aab7.38Ba7.32Aa
L-BSC7.15Aab7.25Aa7.26Aa7.37Aa
NONE7.39Ba7.41Ba7.37Aa