ZHANG Bangyun,CAI Guangpeng,ZHANG Chaoqiong,et al.Eco-Environmental Effect of Residential Land Under Different Intensive Use Levels—Taking the Central Urban Area of Guiyang City as the Example[J].Research of Soil and Water Conservation,2015,22(03):193-197.
不同节约集约利用类型下居住用地生态环境效应——以贵阳市中心城区为例
- Title:
- Eco-Environmental Effect of Residential Land Under Different Intensive Use Levels—Taking the Central Urban Area of Guiyang City as the Example
- Keywords:
- residential land; economical and intensive utilization; eco-environmental effect; Guiyang City
- 分类号:
- F301.24;X24
- 摘要:
- 利用3S技术，对2011年贵阳市中心城区Landsat 7 ETM+和单波段SPOT 5影像进行校正、融合等处理，再遥感解译，提取研究区居住用地范围，并建立居住用地节约集约利用评价体系。运用坡度分析、景观指数分析、植被指数和植被覆盖度等分析方法对居住用地节约集约利用度进行生态环境效应定量分析。结果表明：（1）居住用地集约利用程度较高，占总面积的81.319%，其次是中度利用；（2）居住用地主要集中分布于0°～10°的坡度范围，其利用程度与坡度值基本呈正相关关系；（3）居住用地景观格局较为破碎，且利用程度与斑块个数、斑块密度、平均斑块面积、景观形状指数、景观丰富度、景观聚集度基本呈正相关关系；（4）居住用地的NDVI与其利用程度呈正相关关系。整体上居住用地生态环境效应为正效应。
- Abstract:
- In this paper, Landsat7 ETM+ and single band image SPOT5 of Guiyang City in 2011 were dealt with correction, fusion, and remote sensing interpretation using 3S technology to get the residential land of the study area, and the evaluation system of residential land on economical and intensive utilization was established. Eco-environment effect of residential land under economical and intensive utilization levels were quantitatively analyzed using the method of slope analysis, landscape index, vegetation index and vegetation coverage analysis. The results showed that: (1) intensive utilization degree of residential land was higher, accounting for 81.319% of the total area, followed by moderate use; (2) residential land mainly distributed in slopes with gradients ranging from 0° to 10°, slope gradient and slope use degree had the positively correlated relationship; (3) residential land landscape pattern was broken, and the utilization degree was positively related to basic relationship on number of patches, patch density, patch average area, landscape shape index, landscape richness and landscape concentration; (4) the NDVI and its utilization degree of residential land were positively correlated. Overall, eco-environment effect of residential land is positive.
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备注/Memo
收稿日期:2014-07-01;改回日期:2014-08-10。
基金项目:贵州省软科学研究项目“贵州工业化、城市化加快推进时期耕地保护研究”[黔科合体R字（2012）2030]
作者简介:张帮云(1987-),女,贵州贵阳人,硕士研究生,研究方向为地理信息系统与遥感、土地利用规划。E-mail:zhangbangyun163@yeah.net
通讯作者:蔡广鹏(1963-),男,贵州贵阳人,副教授,主要从事土地利用规划研究。E-mail:cgp@163.com