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

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罗娜娜¹^,², 盛茂银¹^,³^,^*(

), 王霖娇¹^,², 石庆龙¹^,³, 何宇¹^,³

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-Na¹^,², SHENG Mao-Yin¹^,³^,^*(

), WANG Lin-Jiao¹^,², SHI Qing-Long¹^,³, HE Yu¹^,³

图5. 西南喀斯特石漠化土壤环境因子对长期植被恢复响应的主成分(PC)分析图。BD, 土壤密度; DOC, 可溶性有机碳含量; EOC, 易氧化有机碳含量; MBC, 微生物生物量碳含量; TN, 总氮含量; TP, 总磷含量; TSOC, 土壤总有机碳含量。ALP, 碱性磷酸酶活性; AMY, 淀粉酶活性; SUC, 蔗糖酶活性; URE, 脲酶活性。BM, 柏木种植; CK, 对照样地; HJ, 花椒种植; HLG, 火龙果种植; HZC, 皇竹草种植; JYH, 金银花种植; SR, 砂仁种植; YM, 柚木种植。

Fig. 5. Principal component (PC) analysis ordination for the response of karst rocky desertification soil environmental factors to long-term vegetation restorations in southwest China. BD, soil bulk density; DOC, dissolved organic carbon content; EOC, easy oxidation carbon content; MBC, microbial biomass carbon content; TN, total nitrogen content; TP, total phosphorus content; TSOC, total soil organic carbon content. ALP, alkaline phosphatase activity; AMY, amylase activity; SUC, sucrase activity; URE, urease activity. BM, Cupressus funebris planting; CK, control plot; HJ, Zanthoxylum bungeanum planting; HLG, Hylocereus undatus planting; HZC, Pennisetum sinese planting; JYH, Lonicera japonica planting; SR, Amomum villosum planting; YM, Tectona grandis planting.