中亚热带3种典型森林土壤碳氮含量和酶活性的关系

鲍勇,高颖,曾晓敏,袁萍,司友涛,陈岳民,陈滢伊

Relationships between carbon and nitrogen contents and enzyme activities in soil of three typical subtropical forests in China

Yong BAO,Ying GAO,Xiao-Min ZENG,Ping YUAN,You-Tao SI,Yue-Min CHEN,Ying-Yi CHEN

表3 不同林分类型的土壤酶活性(平均值±标准偏差, n = 3)

Table 3 Soil enzyme activities in different forest types (mean ± SD, n = 3)

林分类型 Forest type	βG (nmol·g^-1·h^-1)	CBH (nmol·g^-1·h^-1)	NAG (nmol·g^-1·h^-1)	PHO (μmol·g^-1·h^-1)	PEO (μmol·g^-1·h^-1)
SF	38.93 ± 7.44^a	1.41 ± 0.29^b	36.42 ± 7.68^b	0.53 ± 0.37^b	14.61 ± 3.86^a
AR	36.93 ± 6.72^a	3.49 ± 0.59^a	76.98 ± 20.43^a	0.25 ± 0.11^b	13.48 ± 3.74^a
PM	23.86 ± 5.12^b	0.48 ± 0.16^c	38.94 ± 8.09^b	3.92 ± 0.52^a	20.70 ± 3.83^a