首页|Development of center pivot irrigation farmlands from 2009 to 2018 in the Mu Us dune field,China:Implication for land use planning
Development of center pivot irrigation farmlands from 2009 to 2018 in the Mu Us dune field,China:Implication for land use planning
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The Mu Us dune field in China has become a focal region for research of the pre-vention and control of desertification.Agricultural practices in this area have been modern-ized in recent years,evidenced by the development of Center Pivot Irrigation(CPI)farmlands.However,the impacts of CPI farmlands on combating desertification remain poorly under-stood.This study chose the southeastern part of the Mu Us dune field as a study area to investigate the variations of CPI farmlands from 2009 to 2018 and the influencing factors.The results showed growth trends in both the number and the area of these CPI farmland units over the period.The areas of meso-and micro-scale CPI farmland units stabilized over time to mainly 0-0.2 km2 and 0.2-0.4 km2,respectively;Topography,temperature,and geological substratum were preliminarily identified as the major natural factors driving the development of the CPI farmlands.Within the context of varied stakeholders,the potential for soil erosion,and damage to natural vegetation,the current study suggests that strict management of CPI farmland is required through effective long-term planning and land-use policies.The results of this study can assist in realizing the sustainable development of agriculture and its ecological significance in dune field areas.
center pivot irrigationMu Us dune fieldagriculture developmentdesertificationland use planning
LIU Xiaokang、DONG Zhibao、DING Yaping、LU Ruijie、LIU Liyun、DING Zhiyong、LI Yijinq
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School of Geography and Tourism,Shaanxi Normal University,Xi'an 710119,China
Planetary Aeolian Research Institute,Shaanxi Normal University,Xi'an 710119,China
Engineering Center of Desertification and Blown-Sand Control of Ministry of Education,Faculty of Geo-graphical Science,Beijing Normal University,Beijing 100875,China
State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology,Chengdu 610059,China
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