摘要
以三峡库区渝东北9个区县作为区划单元,选定海拔、年总辐射、太阳辐射小时等7项为指标,采用统计学原理和方法,研究了重庆森林工程对生态环境带来的影响。
The nine counties in the three gorges reservoir area were chosen as the division untis,and seven projects such as altitude,the total radiation,solar radiation hours were selected as the indexes,the effect of Chongqing forest project on ecological environment was studied,using statistical principles andmethods.
出处
《现代农业科技》
2009年第15期187-187,189,共2页
Modern Agricultural Science and Technology
基金
重庆三峡学院青年基金项目(编号:2007-sxxyqn-01)
关键词
林业状况
统计学
聚类分析
渝东北
三峡库区
forestry
statistics
cluster analyse
northeast of Chongqing
the three gorges reservoir area
