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Dynamic Change of the Cultivated Land in Lanzhou of Gansu Province

HU Miao (Geography & Environment Science College of Northwest Normal University,Lanzhou,Gansu 730070)  
The changing characteristics and trend of cultivated land in Lanzhou of Gansu province were studied based on the modification data of land use from 1995 to 2004 and the results showed that the characteristic of the area of cultivated land in Lanzhou decreased in the early period,and the decreasing rate was being reduced.Forecasting of cultivated land changing showed that cultivated land area would remain the decreasing trend in the future;moreover,the decreasing rate of cultivated land would become slower and slower.
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