College of Land and Resource China West Normal University NanchongInstitute of Jialing River Basin China West Normal University Nanchong P.R.China;
College of Geography and Resources Sichuan Normal University Chengdu P.R.China.;
Sichuan Center for Rural Development Research College of Management Sichuan Agricultural University Chengdu P.R.China.;
College of Land and Resource China West Normal University NanchongInstitute of Jialing River Basin China West Normal University Nanchong P.R.China;
urbanization; urban agglomerations; development challenges; new areas; China;