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Forecast of Regional Land Use Structure Based on Markov Chain--a Case Study in Ya'an City, Sichuan Province, China

机译:基于马尔可夫链的区域土地利用结构预测-以四川省雅安市为例

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摘要

According to the data on Ya'an city's land-use balance table from 2002 to 2008, this paper takes the quantitative analysis on the land-use change. Then, this paper uses the Markov theory to construct the transition probability matrix on land-use structure, simulate the state of land-use structure in 2008, predict and analyze the land-use structure in 2015 and 2020 respectively. This study shows that in next 10 years, the area of arable land will reduce continually, construction land will still be increasing, but the increase and decrease rang will get smooth in different land-use types. So, at last, this paper gives suggestions from different four aspects, which are improving the mechanism of paid land-use to raise the cost of arable land occupation, effectively control the quantity of construction lands, raise land-use efficiency, improve land ecological environment, perform the land reclamation work well, and establish a land-use structure's optimization model based on the actual naturaleconomy conditions.
机译:根据雅安市2002-2008年土地利用平衡表数据,对土地利用变化进行定量分析。然后,利用马尔可夫理论构造了土地利用结构的转移概率矩阵,模拟了2008年土地利用结构的状态,分别对2015年和2020年的土地利用结构进行了预测和分析。研究表明,未来十年耕地面积将持续减少,建设用地仍将增加,但不同土地利用类型的增减幅度将趋于平稳。因此,本文最后从四个方面提出了建议,包括改善有偿土地使用机制,提高耕地占用成本,有效控制建设用地数量,提高土地利用效率,改善土地生态。环境,做好土地开垦工作,并根据实际自然经济条件建立土地利用结构的优化模型。

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