川西亚高山不同演替阶段天然次生林土壤碳氮含量及酶活性特征

胡宗达, 刘世荣, 罗明霞, 胡璟, 刘兴良, 李亚非, 余昊, 欧定华

Characteristics of soil carbon and nitrogen contents and enzyme activities in sub-alpine secondary forests with different successional stages in Western Sichuan, China

HU Zong-Da, LIU Shi-Rong, LUO Ming-Xia, HU Jing, LIU Xing-Liang, LI Ya-Fei, YU Hao, OU Ding-Hua

表2 土壤酶的名称、缩写、功能及底物

Table 2 Abbreviations, function and substrates of soil enzymes

酶 Enzyme 缩写 Abbreviation 功能 Function 底物 Substrate β-4-葡萄糖苷酶 β-4-glucosidase βG 分解易降解碳 Decomposition of labile carbon 4-MUB-β-D-葡萄糖苷 4- MUB -β-D-glucoside 纤维素水解酶 Cellulose hydrolysis CBH 分解易降解碳 Decomposition of labile carbon 羧甲基纤维素钠 Sodium carboxymethyl cellulose β-4-N-乙酰基氨基葡萄糖苷酶 β-4-N-acetylglucosaminidase NAG 分解氮 Hydrolyze nitrogen 4-MUB-β-D-乙酰基氨基葡萄糖苷 4-MUB-N-acetyl-β-D-glucosaminide 多酚氧化酶 Phenol oxidase PHO 分解难降解碳 Decomposition of recalcitrant carbon 邻苯三酚 Pyrogallic acid 过氧化物酶 Peroxidase PEO 分解难降解碳 Decomposition of recalcitrant carbon 邻苯三酚-过氧化氢 Pyrogallol-hydrogen peroxide