高寒草原土壤交换性盐基离子对氮添加的响应: 以紫花针茅草原为例
秦书琪1,2,房凯1,2,王冠钦1,2,彭云峰1,张典业1,2,李飞1,2,周国英3,杨元合1,2,*(
)
)
Responses of exchangeable base cations to continuously increasing nitrogen addition in alpine steppe: A case study of Stipa purpurea steppe
QIN Shu-Qi1,2,FANG Kai1,2,WANG Guan-Qin1,2,PENG Yun-Feng1,ZHANG Dian-Ye1,2,LI Fei1,2,ZHOU Guo-Ying3,YANG Yuan-He1,2,*()
)
附件I. 青藏高原高寒草地表层土壤pH值的频度分布。数据来自杨元合课题组于2013-2014年间在青藏高原草地样带调查的173个样地
Appendix I. Frequency distribution of pH values on the Qinghai-Xizang Plateau. Data from 173 sampling sites along a grassland transect across Qinghai-Xizang alpine grasslands during 2013-2014, which were collected by members from Dr. Yuanhe Yang’s group
