北京山区建设用地扩展的景观表现
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北京市自然科学基金重点项目“北京山区土地利用变化规律及持续利用模式研究”(6031001)


Landscape Expression in Expansion of Construction Land in Beijing Mountain Area
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    摘要:

    在描述山区景观镶嵌体水平景观格局的前提下,立足建设用地扩展的景观表现,重点测算了山区建设用地景观镶嵌体以及单一景观要素2个水平下的景观形状和分布指数变化,以系统地分析北京山区建设用地景观格局动态。研究结果表明,在北京山区的城市化进程中,山区生态建设的开展引发绿色空间不断增加,景观有向单一化、均一化方向发展的趋势。建设用地总体连通性变强,空间分布上呈现集中、密集的趋势,但尚未形成集聚效应。同时,建设用地景观的碎裂化特征也很显著,独立工矿用地则更趋不规则和破碎。应结合山区实际采取科学有效的规划措施引导建设用地的扩展。

    Abstract:

    By the use of Frastrates 3.3,some landscape indices representing the landscape expression were calculated for the landscape expression of construction lands at the landscape level and class level on the basis of the description of the landscape pattern of Beijing mountain area.The change of landscape pattern of construction land was analyzed using these indexes.Results show that the ecological construction brings about the continuous increase of green space,and the landscape change had a trend of simplification and homogeneous,which will result in a compartment pattern.As for construction lands,their shapes are more fragmented and anomalistic,and the neighboring probability is increased among the patches.The landscape function is turbulent as the shape takes on a change trend of no disciplinary.A deep exploration of landscape pattern indicates that both town land and factory land are being concentrated.However,the pattern of rural residential land is still dispersive,and even become worse.Factory land has not formed its gathering efficiency,and the construction of transportation is the key whether the town can bring its role as a growing pole into play or not.To realize this,being guided by a scientific land use planning is a necessity.

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姜广辉,张凤荣,王玮,孟媛,苏子友.北京山区建设用地扩展的景观表现[J].水土保持通报,2006,(3):109-112,121

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  • 收稿日期:2005-11-18
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  • 在线发布日期: 2014-11-26
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