1. Brown L (1995) Who will feed China: Wake up call for a Small Planet. Newyork: WWNorton & Company.
2. Cai YY (2007) The relationships between agricultural land ecological characteristics and value. PhD thesis, Huazhong Agricultural University, Wuhan, China. (In Chinese)
3. Chan SD, Yu JY, Ye XP, et al. (2000) Study on appraisal methods of agricultural land.Resources Science 22(1):45–49. (In Chinese)
4. Chen L, Ouyang ZY, Wang XK, et al. (2006) Applications of contingent valuation method in evaluation of non-market values. Acta Ecologica Sinica 26(02):610–619. (In Chinese)
5. Chen XP, Cui LX, Xu XY, et al. (2012) Analysis on sustainability of cultivated land in Gaotai County based on ecological footprint model. Xibei Shifan Daxue Xuebao (Ziran Kexue Ban) 48(4):90–93. (In Chinese)