Theoretical base and its inspiration about yunnan enlisting into " azonal pearl-river triangle territorial cooperation "

云南参与泛珠江三角洲合作的理论基础及其启示

The develop-ment and succession of the vegetation were determined by the azonal factors , so it was difficult for the vegetation to develop to zonai vegetation dominated by subtropical evergreen broad-leave forest .

非地带性因素主导着植被发生和演替，很难达到上海以亚热带常绿阔叶林为主的地带性植被类型。