不同植物来源可溶性有机质对亚热带森林土壤酶活性的影响

梅孔灿, 程蕾, 张秋芳, 林开淼, 周嘉聪, 曾泉鑫, 吴玥, 徐建国, 周锦容, 陈岳民

Effects of dissolved organic matter from different plant sources on soil enzyme activities in subtropical forests

MEI Kong-Can, CHENG Lei, ZHANG Qiu-Fang, LIN Kai-Miao, ZHOU Jia-Cong, ZENG Quan-Xin, WU Yue, XU Jian-Guo, ZHOU Jin-Rong, CHEN Yue-Min

表2 与碳循环相关的4种土壤酶的缩写、底物和功能

Table 2 Substrates and functions of four soil enzymes related to carbon cycling

土壤酶 Soil enzyme 缩写 Abbreviation 底物 Substrate 功能 Function β-葡萄糖苷酶 β-glucosidase βG 4-MUB-β-D-glucoside 水解纤维素 Hydrolyze cellulose 纤维素水解酶 Cellobiohydrolase CBH 4-MUB-β-D-cellobioside 水解纤维素 Hydrolyze cellulose 过氧化物酶 Peroxidase PEO L-dihydroxyphenylalanine 降解木质素 Degrade lignin 多酚氧化酶 Polyphenol oxidase PPO L-dihydroxyphenylalanine 降解木质素 Degrade lignin