摘要
运用灰色关联法对南亚热带鹤山丘陵试验站 4种森林生态系统植被状况影响地表径流系数进行了定量分析 .结果表明 :对于本文所选取的植被状况参数对地表径流系数影响的大小顺序是 :枯落叶层厚度 >草本层盖度 >灌木层盖度 >乔木层盖度 >林分高 ;4种森林生态系统的植被状况对地表径流系数的影响 ,马占相思林最大 ,平权关联度与非平权灰关联度分别为 0 .782和 0 .76 6 ;林果苗系统最小 ,平权关联度与非平权灰关联度分别为 0 .5 32和 0 .5 35 ,显示马占相思林生态水文功能的主要地位 .表 4参
Grey correlation analysis was used to study the effects of vegetation status on surface runoff coefficient for 4 kinds of forest ecosystems in Heshan Experimental Station. The results indicate that the order of the effects on surface runoff coefficient by the parameters of vegetation status is litter layer thickness >herb layer coverage >shrub layer coverage >tree layer coverage >forest height. Acacia mangium forest has the greatest effect on surface runoff coefficient in the 4 kinds of forest ecosystems. The equal weighted grey correlation reading is 0.782 and the unequal weighted grey correlation reading 0.766. Forest fruit seedling system has the smallest effect on surface runoff coefficient. The equal weighted grey correlation reading is 0.532 and the unequal weighted grey correlation reading 0.535. So the main status of hydrological function is shown for Acacia mangium forest. Tab 4, Ref 10
出处
《应用与环境生物学报》
CAS
CSCD
2000年第3期197-200,共4页
Chinese Journal of Applied and Environmental Biology
基金
国家自然科学基金!(No :3970 0 112
3992 80 0 7)
中国科学院生物技术特别支持院"九五"重大项目!(KZ95 1 B1 110 0 4)
关键词
灰色关联
森林生态系统
植被状况
地表径流系统
Grey correlation
forest ecosystem
vegetation status
surface runoff coefficient
