ChineseJournalofPopulationResourcesandEnvironment,PrintISSN1004-2857,OnlineISSN2325-4262,Volume13,2015.ChineseJournalofPopulationResourcesandEnvironment(www.tandfonline.com/tpre)isapeer-reviewedjournalpublishedinMarch,June,September,andDecemberbyTaylor&Francis,4ParkSquare,MiltonPark,Abingdon,Oxon,OX144RN,UK.