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中文摘要：
利用信息熵计算了松原市1996—2010年的土地利用结构熵,根据历年熵增量将松原市土地利用结构变化划分为三个阶段,计算了2009年松原市各区市（县）的土地利用结构熵,分析了松原市土地利用结构熵变化原因.结果表明,松原市土地利用结构熵值逐渐增大,宁江区的熵值明显高于其他四个市（县）,前郭县的熵值明显低于平均值.工业的迅速发展和产业结构的变化是土地利用变化的主要原因,工业化、城市化进程的不断加快是导致土地供应增加的主要原因.土地利用结构的调整将一直持续,需对土地实行更加严格的管理、科学的规划.
英文摘要：
Based on information entropy,this paper calculated the structure entropy of Songyuan city from the year of 1996 to 2010 and the structure entropy of every area in 2009,and divided the change period according to the entory results and analyzed the land changing laws and its causes. The results showed that the structure entropy increased gradually,the entropy of Ningjiang district was significantly higher than that of the other four cities（ counties）,Qianguo County was significantly lower than that of the average value. The rapaid development of industry and industrial structure change was the main reason,and the increasing progress of industrialization and urbanization was the main reason for land supply increasing. The adjustment of land use structure will continue,which needs much more strict management and scitientific planning.
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