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2 青藏高原高寒草地环境因子与酶活性之间的相关性

Table 2 Correlations among environmental factors and enzyme activities in alpine grasslands on the Qingzang Plateau

环境因子 Environmental factor INV CEL βG PPO POD ARY NAG LAP L-ASP NAGLU NR NiRs ASP ALP ρb -0.482* -0.346 0.272 0.211 0.193 0.013 -0.365 0.103 0.047 -0.137 -0.026 -0.020 0.086 -0.168 pH -0.452* 0.234 0.169 0.049 0.238 0.074 -0.146 -0.033 -0.256 -0.155 -0.315 -0.016 -0.222 -0.245 SOM 0.601** 0.562** -0.206 0.057 0.073 -0.441* 0.137 0.004 0.206 0.284 0.450* -0.424 -0.054 0.437* TN 0.552** 0.538* -0.250 0.016 0.062 -0.337 0.156 -0.073 0.153 0.148 0.336 -0.244 -0.142 0.542* TP -0.016 -0.165 -0.057 0.048 -0.162 0.391 -0.174 0.101 -0.208 -0.214 -0.348 0.348 -0.103 -0.178 Bacteria 0.576** 0.582** -0.177 0.033 0.145 -0.386 0.111 -0.064 0.218 0.249 0.366 -0.280 -0.230 0.364 Fungi 0.543* 0.510* -0.152 0.056 0.214 -0.393 0.173 -0.057 0.327 0.135 0.320 -0.238 -0.229 0.339 Act 0.584** 0.545* -0.136 0.039 0.024 -0.291 0.219 -0.117 0.175 0.312 0.332 -0.318 -0.288 0.386 G+ 0.574** 0.571** -0.187 0.030 0.174 -0.396 0.098 -0.069 0.200 0.246 0.353 -0.281 -0.272 0.357 G- 0.588** 0.595** -0.186 0.037 0.155 -0.403 0.088 -0.051 0.203 0.270 0.382 -0.310 -0.229 0.374 APB 0.351 0.513* 0.008 -0.103 0.117 -0.283 0.164 -0.020 -0.088 0.068 0.097 -0.173 -0.257 0.102 UPB 0.470* 0.557** -0.201 0.110 0.010 -0.426 -0.152 0.022 0.032 0.323 0.290 -0.335 -0.390 0.163 APOM 0.030 0.030 -0.176 0.291 0.019 -0.013 -0.421 -0.386 0.250 0.141 0.233 0.221 0.216 0.027 UPOM 0.198 0.061 -0.066 -0.050 -0.143 0.168 0.069 -0.411 -0.074 0.018 -0.109 0.318 0.060 -0.061 APTN 0.002 0.153 -0.007 -0.123 -0.213 -0.295 0.185 -0.220 -0.248 0.319 -0.391 -0.045 -0.191 -0.138 UPTN -0.200 -0.323 -0.017 -0.101 -0.169 -0.216 0.062 -0.034 -0.034 -0.029 -0.356 0.062 -0.012 -0.288 C:N 0.070 0.075 -0.025 0.133 0.041 -0.161 -0.004 0.366 0.184 0.122 0.275 -0.277 0.014 -0.271 C:P 0.447* 0.324 -0.080 0.068 0.142 -0.462* 0.093 -0.015 0.037 0.193 0.334 -0.507* -0.071 0.364 N:P 0.500* 0.484* -0.081 0.012 0.155 -0.409 0.074 -0.203 -0.010 0.373 0.315 -0.408 -0.143 0.481*