摘要
本文根据古地理变迁和古植物资料 ,应用多学科观点和理论 ,对四川暗针叶林起源的时代、来源 ,扩展以及四川暗针叶林的基本特征进行了系统的分析和论述 ,进一步阐明了四川暗针叶林本地起源的观点。同时分析指出生态因子的骤变和补偿作用 ,是促进四川暗针叶林形成。
By studying the data from palaeogeographical changes and palaeophytology connected with theories and new viewpoints from different scientific fields,the origin of subalpine dark coniferous forests in Sichuan region is systematically analysed.After discussing the ages of origin and developing process of the dark coniferous forests and their connection with the same type in the world,it is put forward up that the dark coniferous forests in Sichuan region originate natively.It is also pointed out that the changes in ecological factors and their compensation function are the most important causes for the formation,development and evolution of the subalpine dark coniferous forests in Sichuan reigion.
出处
《四川林业科技》
2002年第2期8-14,共7页
Journal of Sichuan Forestry Science and Technology
基金
国家林业局森林生态系统定位研究网络资助 (编号 :2 0 0 10 10 )
关键词
四川
暗针叶林
起源
补偿作用
Sichuan Region,Subalpine Dark Coniferous Forest,Origin,Ecological Factors,Compensation Function