建三江地区土壤氮磷生态化学计量空间异质性特征及其影响因素分析

房娜娜, 杨泽, 刘国栋, 戴慧敏, 刘凯

Spatial heterogeneity and influencing factors of the ecological stoichiometry of soil nitrogen and phosphorus in the Jiansanjiang area

FANG Na-Na, YANG Ze, LIU Guo-Dong, DAI Hui-Min, LIU Kai

图5 不同类型土壤全氮(a)、全磷(b)含量和氮磷比(c)变化

Fig.5 Changes of soil total nitrogen (a), soil total phosphorus (b) and N/P ratio (c) in different soil types