The Analysis On Cultivated Land And Basic Farmland Protection Of Jiuquan City

This thesis have studied abundant theories and methods about the study of cultivated land and basic farmland protection,and made a case study of Jiuquan City on cultivated land and basic farmland protection in the revision of general land use planning.At first,the Status quo and dynamic change of cultivated land resources in Jiuquan City was analyzed in this thesis,and driving forces of farmland quantity change in Jiuquan City were analysed and identified with the method of principal component analysis.At the same time,the necessity of cultivated land protection was emphasized after analyzing the pressure of cultivated land,and the main questions of cultivated land using in the city was found out.The cultivated land protection status in Jiiuquan City was summarized on the basic of the former analyses.Subsequently,the scientificneeded size of cultivated land and norm farmland was forecasted. At last,the countermeasure and step were put forward.Have made the following research results mainly via studying:First, the study background was analyzed deeply,and the study dynamic change of cultivated land protection was expounded.The aim and significance of cultivated land protection was outstand through analyzing it ensure food safety,society safety,zoology safety and economy safety.The main study mission of this thesis was put forward,and the train of thoughts and means and technical route were expounded.Second, this thesis have analyzed the status quo of cultivated land of Jiuquan City,the temporal and spatial change of cultivated land was analyzed through qualitative analysis and quantitative analysis and correspond math model,and the main questions in cultivated land using were expounded.And driving forces of farmland quantity change in Jiuquan City were analysed and identified with the method of principal component analysis.Third,the pressure of cultivated land was analyzed through corresponding index model,and this,the necessity of cultivated land protection was emphasized.The cultivated land protecting status in Jiuquan City was summarized after analyzing synthetically the pressure and the status quo and dynamic change of cultivated land,and the main questions of cultivated land using in the city wasfound out.Fourth, this thesis have analyzed and forecasted the supply and demanc status ofcultivated land in Jiuquan City on the base of population forecasting, food demand, etc. It's reckoned that the amount of basic farmland will be to 212179 ha and 215020.6 ha in the year of 2010 and 2020.Fifth, some countermeasures and steps of cultivated land protection were put forward according to the actual circumstances and the question on cultivated land protection.