1. Austin AT, Yahdjian L, Stark JM (2004) Water pulses and biogeochemical cycles in arid and semiarid ecosystems. Oecologia 141:221–235
2. Bian YS (2000) Waste treatment, regeneration and utilization in ecological agriculture. Chemical Industry Press, Beijing, pp 114–200
3. Bu HM, Meng W, Zhang Y, Wan J (2014) Relationships between land use patterns and water quality in the Taizi River basin, China. Ecol Indic 41:187–197
4. Cai M, Li HE, Zhuang YT, Wang QH (2004) Application of modified export coefficient method in polluting load estimation of non-point source pollution. J Hydraul Eng 7:40–45
5. Cheng HG, Yue Y, Yang ST et al (2006) An estimation and evaluation of non-point source (NPS) pollution in the Yellow River Basin. Acta Sci Circumst 26(3):384–391