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南京市景观空间格局演变及驱动力分析 被引量:13

Analysis of landscape spatial evolvement and its driving forces in Nanjing
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摘要 在遥感与地理信息系统(G IS)技术支持下,以南京市域1988年、1995年、2000年和2003年4期TM影像为主要数据源,研究了南京市域景观空间格局的动态变化特征及其演变规律。结果表明:南京市景观格局从1988年到2003年期间发生了较大的变化,旱地明显减少,城镇、农村居民地、工矿等用地面积显著增加;景观多样性和空间破碎度增加,斑块的自相似性增强。分析认为,人口总数、城市化水平和第一产业增加值在地区生产总值中所占的比重是南京市景观多样性演变的主要人为驱动因素。 Based on remote sensing and GIS technology, the TM images of 1988, 1995, 2000 and 2003 were used to evaluate the landscape spatial changes of Nanjing during the past fifteen years. The results showed that the regional landscape in Nanjing were changed significantly. The natural and semi-natural landscape such as cultivated land decreased quickly while the area of city, town, village, industry and mine enlarged obviously. Landscape diversity and spatial diversity were enhanced, and the self-simi- larity of landscape patches was increased. Through analysis we found that the population, the urbanization level and the proportion of primary industry added value to gross domestic product are main factors of man induced driving forces for Nanjing landscape diversity evolvement.
出处 《南京农业大学学报》 CAS CSCD 北大核心 2006年第3期49-53,共5页 Journal of Nanjing Agricultural University
基金 国家973项目子专题(2002CB412300) 中国科学院知识创新重点项目(KZCX1SW1212)
关键词 景观生态 空间格局 GIS 南京 landscape ecology spatial pattern driving force GIS Nanjing
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