摘要
通过对绵阳官司河流域197个有林地野外调查,研究了其森林群落的区系组成和典型植物群丛的特点,分析了群落形成和演替的动态过程,并结合数量分类,将森林群落划分为9个群系39个群丛.
Guanshi River valley , with a area of 21 km ̄2, lies in Xiriqiao town of Mianyang city , Sichuanprovince. It's forest vegetation is typical in the middle and upper reaches of the Yangtze Rever. Basedon the investigation of 197 quadrats with tree in this valley. The flora and the relationship betweencommunity forming and succession dynamics have been studied. With the help of quantitative classifica-tion methods, the vegetation in the valley was divided into 9 formations and 39 associations. Not nolydoes this study provide foundmental deta for the research of the shelter-forest ecosystem , but also it isvery important for the recovery of the shelter-forest ecosystem in the middle and upper reachces of theYangtze River.
出处
《西南师范大学学报(自然科学版)》
CAS
CSCD
1994年第6期631-638,共8页
Journal of Southwest China Normal University(Natural Science Edition)
基金
国家"八.五"重点攻大项目
关键词
防护林
森林群落
数量分类
Mianyang, voller shelter-forest
quantilative classification