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Study on Land Use Structure Optimization Research Based on the Multi-objective Dynamic Programming Model

Author: ShenBao
Tutor: ZhouBaoTong
School: Southwestern University
Course: Physical Geography
Keywords: land use change land use structure optimization the multi-objective programmingmodel qianwei cuntry
CLC: F301.2
Type: Master's thesis
Year: 2013
Downloads: 161
Quote: 0
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Abstract


As one of the scarce natural resources, Land is not only the foundation of human survival and development but also an important producting material. With the growth of the population and the development of social economy, the conflict between population and land become more and more sharp. Besides, the environmental problem also appears followed. The fact that is continuous increase of population and the acceleration of the process of urbanization results in the problem of land use, the quality of land is declining, the ecological environment is becoming worse, which restricts the sustainable development of economy. So we have to reexamine the relationship between nature and human in order to seek sustainable and coordinative development of economy, society and environment. Actually, the existence of these problems is nearly related to irrational land use structure, so the optimization of land use structure is becoming more and more necessary.In this paper, the2010-2012land use change survey by the relative rate of change of the number of land use and structural change, land use dynamics, land use, a comprehensive analysis on the number of land-use change and spatial variation in4years in the Qianwei country, revealing a bullock County land use of a number of changes in the amplitude and speed. Also based on the multi-objective programming theory, land use dynamic programming model is constructed, the Qianwei country as empirical study, using for the software model, draw the Qianwei country land use structure optimization.The main conclusions are as follows:(1) According to the Qianwei country the second survey data of land use and the land use change survey from2010to2012, analyse the Qianwei country the main trends nearly four years in land use overall agricultural land and unused land decreased, the increase of construction land, in the secondary to the manifestation in the class is the reduction of cultivated land, agricultural land and other natural reserve, and the independent construction of urban construction land increase. In land use is the most important issues emerging from the process of economic development the demand for construction land, the contradiction between the cultivated land and basic farmland protection and extensive use of construction land, urban and rural construction land layout is unreasonable, etc.(2) The multi-objective programming model was constructed based on the multi-objective programming theory, to the Qianwei country of Leshan in Sichuan province as an example for empirical research, using planning goal, set of10variables,10constraint conditions, and build the economic benefit, social benefit and ecological benefit three objective function, through operational research GP modules of software WINQSB repeated operation commissioning, that is suitable for the three land use structure optimization scheme to the Qianwei country.(3) Through to a comprehensive analysis of land use structure plan that is selected about2015and2020, and combining general land use planning of Qianwei country, the requirements of the relevant analysis of the scheme is suitable for the Qianwei country rationality, in order to certain guiding significance to the optimization of land use structure, and has reference value decision programming for the Qianwei country.

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CLC: > Economic > Agricultural economy > Agricultural economic theory > Land Economics > Land management, planning and
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