[1]李明阳,刘方,徐婷,等. 基于GIS的森林资源空间数据挖掘方法研究——以紫金山为例[J].西北林学院学报,2012,27(03):180-186.
 LI Ming-yang,LIU Fang,XU Ting,et al. Mining of Spatial Data of Forest Resources Based on GIS-A Case Study of Zijin Mountain[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(03):180-186.
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 基于GIS的森林资源空间数据挖掘方法研究——以紫金山为例()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年03期
页码:
180-186
栏目:
出版日期:
2012-05-31

文章信息/Info

Title:
 Mining of Spatial Data of Forest Resources Based on GIS-A Case Study of Zijin Mountain
文章编号:
1001-7461(2012)03-0180-07
作者:
 李明阳刘方徐婷姜文倩
 (南京林业大学 森林资源与环境学院, 江苏 南京 210037)
Author(s):
 LI Ming-yang LIU Fang XU Ting JIANG Wen-qian
 (College of Forest Resources and Environment, Nanjing Forestry University, Nanjing, Jiangsu 210037, China)
关键词:
 森林资源空间数据挖掘地理信息系统紫金山
Keywords:
 forest resource spatial data mining GIS Zijin Mountain
分类号:
S757.2
文献标志码:
A
摘要:
 空间数据挖掘,可以从森林资源空间数据库中抽取未清楚表现出来的隐含的知识和空间关系,为森林空间规划和经营措施设计提供科学依据。以南京紫金山国家森林公园为研究对象,以2002年森林资源二类调查空间数据库、2002年遥感卫星SPOT5数据包为主要信息源,选取与风景林美景度有关的林分、地形、人类干扰等10个环境因子,在ArcGIS 9.3平台上,进行空间热点探测、趋势面分析、地理加权回归、C5.0决策分析。研究表明:高美景度风景林主要分布在南坡的中上部,而低美景度风景林主要分布在紫金山森林公园外围;风景林美景度在空间分布上呈现出一种圆心偏东的同心圆状分布格局;风景林美景度与林分生长状况正相关,与所处位置的海拔高度正相关,与距离公路、与居民点距离等人为因素的干扰强度负相关;C5.0决策分析归纳的 3个示例规则所揭示的知识与空间热点分析、趋势面分析、地理加权回归的结论保持一致,4个主要输入变量的重要性依次为:平均胸径(0.33)>海拔(0.25)>与公路距离(0.23)>与居民点距离(0.21)。

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