长期植被恢复对中国西南喀斯特石漠化土壤活性有机碳组分含量和酶活性的影响

罗娜娜, 盛茂银, 王霖娇, 石庆龙, 何宇

Effects of long-term vegetation restoration on soil active organic carbon fractions content and enzyme activities in karst rocky desertification ecosystem of southwest China

LUO Na-Na, SHENG Mao-Yin, WANG Lin-Jiao, SHI Qing-Long, HE Yu

表2 西南喀斯特石漠化土壤酶活性与土壤总有机碳和活性有机碳组分含量等土壤理化性质间的相关性

Table 2 Correlations of the soil enzyme activities with soil physical-chemical properties including contents of soil total organic carbon and its active fractions in the karst rocky desertification ecosystem, southwest China

酶活性 Enzyme activity pH BD TN TP TSOC DOC EOC MBC DOC/TSOC EOC/TSOC MBC/TSOC URE 0.489* 0.365 -0.070 -0.240 0.051 -0.264 0.074 0.300 0.111 -0.070 0.327 SUC -0.054 0.113 0.078 -0.202 0.029 0.219 -0.036 0.054 -0.035 -0.209 0.120 AMY 0.155 -0.194 0.317 0.106 0.541** -0.293 0.599** 0.501* -0.465* 0.268 0.007 ALP 0.260 -0.255 0.504* 0.151 0.696** -0.235 0.680** 0.749** -0.648** 0.026 0.119