基于“3S”技术的贵州省喀斯特地区坡耕地资源研究

摘要

利用“3S”技术,对贵州省喀斯特地区近50年的坡耕地覆盖与变化状况进行了调查研究,揭示在具有鲜明区域特征下的喀斯特坡耕地资源利用历史与耕作方式在不同时期的特征与变化规律,以及产生这种特征的驱动因素,为喀斯特山区坡耕地资源的合理利用、贵州省生态建设与农业可持续发展和相关政策的制定、决策提供参考和依据.%Using "3S" technology, loping arable land coverage and changes in recent 50 years in Karst areas of Guizhou were investigated and surveyed, thereby, the characteristics, changing regularity and driving factors of loping arable land resources utilization history and farming methods in different periods in Karst areas were revealed under distinct provincial characteristics, which provided reference and basis for the optimal use of loping arable land resources in Karst areas of Guizhou, the sustainable development of ecological construction and agriculture, the formulation of relevant policies and decision-making.