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1 土壤酶的名称、缩写、功能及底物

Table 1 The abbreviations, function and substrates of soil enzyme

酶 Enzyme 缩写 Abbreviation 功能 Function 底物 Substrate β-葡萄糖苷酶 β-glucosidase βG 分解易降解碳 Decomposition of labile carbon 4-甲基伞形酮-β-D-葡萄糖苷 4-methylumbelliferyl-β-D-glucoside 纤维素水解酶 Cellulose hydrolysis CBH 分解易降解碳 Decomposition of labile carbon 4-甲基伞形酮-β-D-纤维素二糖苷 4-methylumbelliferyl-β-D-cellobioside β-N-乙酰氨基葡萄糖苷酶 β-N-acetylglucosaminidase NAG 分解氮 Hydrolyze nitrogen 4-甲基伞形酮-2-乙酰氨基-2-脱氧-β-D-吡喃葡萄糖苷 4-methylumbelliferyl-N-acetyl-β-D-glucosaminide 多酚氧化酶 Phenol oxidase PHO 分解难降解碳 Decomposition of recalcitrant carbon 二羟基苯 L-dihydroxyphenylalanine 过氧化物酶 Peroxidase PEO 分解难降解碳 Decomposition of recalcitrant carbon 二羟基苯 L-dihydroxyphenylalanine