凋落物去除对沙质草地表层土壤碳组分的影响

苏万红, 詹瑾, 李亚, 纪永福, 李玉霖, 丛安琪, 张雯, 付贵全, 王曰军

Effects of litter removal on top soil carbon components in the sandy grassland

Wanhong Su, Jin Zhan, Ya Li, Yongfu Ji, Yulin Li, Anqi Cong, Wen Zhang, Guiquan Fu, Yuejun Wang

图4 地上凋落物和地下根系对土壤不同碳组分的贡献率 注：-L：地上凋落物去除；-R：地下根系去除；-L-R：地上凋落物和地下根系同时去除；TC：土壤全碳含量；TOC：土壤总有机碳含量；DOC：土壤溶解性有机碳含量；LOC：活性碳；IOC：缓性碳；ROC：惰性碳含量；SMBC：土壤微生物生物量碳

Fig.4 Contribution of contributions of aboveground litter and belowground root to different soil carbon components