The evolution between ecological security pattern and agricultural productive force in Manas River Basin for the past 30 years Ecological safety assessment of Manas River Basin oasis, Xinjiang. Socio-economic impacts of under-film drip irrigation technology and sustainable assessment: a case in the Manas River Basin, Xinjiang, China The evaluation method of water resources sustainable utilization in Manas River Basin Analysis of land use/cover change from 2000 to 2010 and its driving forces in Manas River Basin, Xinjiang