青藏高原不同高寒草地类型土壤酶活性及其影响因子

汪子微, 万松泽, 蒋洪毛, 胡扬, 马书琴, 陈有超, 鲁旭阳

Soil enzyme activities and their influencing factors among different alpine grasslands on the Qingzang Plateau

WANG Zi-Wei, WAN Song-Ze, JIANG Hong-Mao, HU Yang, MA Shu-Qin, CHEN You-Chao, LU Xu-Yang

表1 青藏高原不同高寒草地类型土壤酶活性(平均值±标准差)

Table 1 Soil enzyme activities among different types of alpine grasslands on the Qingzang Plateau (mean ± SD)

草地类型 Grassland type	INV (mg·g^-1·24 h^-1)	CEL (mg·g^-1·72 h^-1)	βG (IU·g^-1)	PPO (μg·g^-1·3 h^-1)	POD (mg·g^-1·2 h^-1)	ARY (IU·g^-1)	NAG (IU·g^-1)
AM (n = 5)	1.054 ± 0.203^a	0.131 ± 0.040^a	0.473 ± 0.076^ab	241.016 ± 17.560^ab	0.094 ± 0.013^ab	0.683 ± 0.344^b	115.463 ± 23.098^a
AS (n = 5)	1.018 ± 0.389^ab	0.068 ± 0.016^b	0.471 ± 0.129^ab	212.752 ± 22.048^b	0.090 ± 0.010^ab	1.277 ± 0.280^ab	136.778 ± 52.330^a
AMS (n = 3)	0.560 ± 0.148^b	0.095 ± 0.045^ab	0.559 ± 0.058^ab	220.874 ± 25.974^ab	0.123 ± 0.051^a	1.31 ± 0.870^ab	116.926 ± 80.235^a
ADS (n = 5)	0.666 ± 0.408^ab	0.081 ± 0.026^b	0.426 ± 0.167^b	230.504 ± 25.391^ab	0.082 ± 0.024^b	1.062 ± 0.855^ab	102.718 ± 25.936^a
AD (n = 3)	0.595 ± 0.206^ab	0.085 ± 0.023^ab	0.631 ± 0.041^a	256.640 ± 43.417^a	0.083 ± 0.021^ab	1.831 ± 0.951^a	119.756 ± 124.068^a
草地类型 Grassland type	LAP (IU·g^-1)	L-ASP (IU·g^-1)	NAGLU (IU·g^-1)	NR (mg·g^-1·24 h^-1)	NiRs (mg·g^-1·24 h^-1)	ASP (IU·g^-1)	ALP (mg·g^-1·24 h^-1)
AM (n = 5)	2.399 ± 0.847^a	2.750 ± 0.661^a	4.188 ± 2.274^a	7.026 ± 0.652^a	2.949 ± 0.148^b	219.661 ± 102.660^a	14.292 ± 3.340^ab
AS (n = 5)	2.661 ± 0.843^a	2.887 ± 0.729^a	2.978 ± 0.991^a	6.638 ± 0.714^a	3.139 ± 0.080^a	296.056 ± 196.915^a	17.818 ± 2.721^a
AMS (n = 3)	2.824 ± 1.048^a	2.360 ± 0.426^a	2.248 ± 1.316^a	6.083 ± 0.612^a	3.086 ± 0.049^ab	133.919 ± 83.407^a	13.453 ± 0.439^ab
ADS (n = 5)	2.293 ± 0.444^a	2.607 ± 0.493^a	2.800 ± 1.232^a	6.310 ± 0.662^a	3.027 ± 0.121^ab	341.565 ± 233.176^a	12.698 ± 5.912^ab
AD (n = 3)	1.956 ± 0.521^a	2.778 ± 0.241^a	3.959 ± 2.150^a	6.360 ± 0.915^a	3.104 ± 0.033^ab	257.471 ± 123.057^a	8.990 ± 3.381^b