黔西南石漠化过程中土壤胞外酶活性及其化学计量变化特征
孙彩丽1,2,*(
), 仇模升1, 黄朝相1, 王艺伟1
), 仇模升1, 黄朝相1, 王艺伟1
Characteristics of soil extracellular enzyme activities and their stoichiometry during rocky desertification in southwestern Guizhou, China
SUN Cai-Li1,2,*(), QIU Mo-Sheng1, HUANG Chao-Xiang1, WANG Yi-Wei1
), QIU Mo-Sheng1, HUANG Chao-Xiang1, WANG Yi-Wei1
图2. 黔西南不同石漠化程度枯落物化学含量、土壤化学性质和胞外酶活性的相关性分析。AN, 土壤氨态氮含量; LC, 枯落物碳含量; LN, 枯落物氮含量; LP, 枯落物磷含量; NN, 土壤硝态氮含量; SAP, 土壤速效磷含量; SOC, 土壤有机碳含量; TN, 土壤总氮含量; TP, 土壤总磷含量。*, p < 0.05; **, p < 0.01; ***, p < 0.001。
Fig. 2. Correlation analysis of litter chemical content, soil chemical properties and extracellular enzyme activity at the different degrees of rocky desertification in southwestern Guizhou. AN, soil ammoniacal nitrogen content; LC, litter carbon content; LN, litter nitrogen content; LP, litter phosphorus content; NN, soil nitrate nitrogen content; SAP, soil available phosphorus content; SOC, soil organic carbon content; TN, soil total nitrogen content; TP, soil total phosphorus content. *, p < 0.05; **, p < 0.01; ***, p < 0.001.
