草原风蚀坑发育对土壤生态化学计量的影响

李雨薇, 王博, 包玉海, 韩彦隆, 闫茂林, 王伟峰

Effects of the development of grassland blowouts on soil ecological stoichiometry

Yuwei Li, Bo Wang, Yuhai Bao, Yanlong Han, Maolin Yan, Weifeng Wang

图5 草原风蚀坑发育过程中影响土壤碳氮磷变化的主成分分析 SWC为土壤体积含水率，pH为土壤pH值，BK为土壤容重，Sand为砂粒含量，Silt为粉粒含量，Clay为黏粒含量，FC为田间持水量，SP为土壤总孔隙度

Fig.5 Principal component analysis on the factors affecting soil C， N， P characteristics during the development of blowouts in steppe