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Analysis of Dynamic Change and Driving Forces of Farmland in Loess Hilly-gully Region
Authors
李壁成
柯俊
赵小敏
郝仕龙
Publication date
1 January 2005
Publisher
Abstract
利用1982~2002年的统计和普查资料、土地利用调查数据及TM影像,对上黄试区20年的耕地变化及驱动因子进行了分析。结果发现耕地变化态势表现为耕地面积总量减少,耕地动态变化主要表现为坡耕地转为林地和草地,耕地质量较好的部分转为经济效益更高的园地。造成耕地变化的主要因素是人口增长、退耕还林还草和经济利益驱动等
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018