Variation of Concentrations and Stoichiometric proportions of Nitrogen and Phosphorus in Runoff with Land Use in Chaihe Catchment.
FU Deng-gao,WU Xiao-ni,HE Feng,YAN Kai,DUAN Chang-qun
Journal of Ecology and Rural Environment . 2015, (5): 671 -676 .  DOI: 10.11934/j.issn.1673-4831.2015.05.009