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Landscape Pattern Analysis of International Livable Communities Based on Satellite Images of Wenjiang District, Chengdu City

机译:基于成都市温江区卫星影像的国际宜居社区景观格局分析

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摘要

This paper used Google Earth satellite maps of Wenjiang District, Chengdu City in 2008, 2012 and 2015 as basic data sources, and field investigation data in recent years, and employed Photoshop and Auto CAD to analyze landscape pattern of urban and suburban areas of Wenjiang District—the international livable communities. The results showed that urban forest patches accounted for the absolute dominance in the study area, the overall landscape fragmentation index in 2008 was 0.0054, landscape diversity index 1.3603, landscape dominance index 0.2937, and evenness index 0.8452. From 2008 to 2012, patch density index reduced by 7.04, landscape fragmentation index increased by 0.0014, diversity index reduced by 0.043, evenness index reduced by 0.0269, landscape dominance index increased by 0.0027. From 2012 to 2015, patch density index increased by 1.22, landscape fragmentation index kept stable, diversity index reduced by 0.024, evenness index reduced by 0.0149, landscape dominance index increased by 0.0196. Through analyzing quantitative indexes of urban landscape pattern, and exploring basic features of the international livable communities from the perspective of landscape eco-pattern, this paper put forward suggestions for city management and green space system protection of Wenjiang as the references for the future researches on maintenance and operation of landscape eco-pattern.
机译:本文采用了谷歌地球卫星地图,日江区,成都市2008年,2012年,2015年作为基本数据来源,近年来的实地调查数据,并采用了Photoshop和Auto CAD来分析了文江区城市和郊区的景观格局 - 国际居住的社区。结果表明,城市森林补丁占研究区的绝对优势,2008年的整体景观碎片指数为0.0054,景观多样性指数1.3603,景观优势指数0.2937,均匀指数0.8452。从2008到2012年,贴片密度指数减少7.04,景观碎片指数增加0.0014,分集指数减少0.043,均匀指数减少0.0269,景观优势指数增加0.0027。从2012到2015年,贴片密度指数增加1.22,景观碎片指数保持稳定,分集指数减少0.024,平均指数减少0.0149,景观优势指数增加0.0196。通过分析城市景观格局的定量指标,从景观生态模式的角度探索国际居住社区的基本特征,提出了文江市管理与绿地系统保护的建议作为未来研究的参考景观生态模式的维护与运行。

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