Probe Into Planting Trees And Afforestation In The Republic Of China

Inrecent years, along with the environment problems coming, the ecosystem-environment-history research is regarded more valuable.The exsisting fruits of researching about planting trees and afforestation by the angle of history are fewwer.How to construct a harmonious ecosystem environment?The problem is attracting the mankind'attention.In this dissertation, I'll probe into the motive , processes, results of planting trees in 1912-1949,and hope my research could offer some valuale suggestions for the ecosystem environment construction of our country now.In this dissertation, I use some files of construction hall of Szechwan province in archive building of Szechwan province, and some information in the library of Sichuan uiversity and some contents in some articles and bookmakings writed by writers nowadays.I probe into these questions about the background of Planting trees and forestation, processes, and the existent problems and evaluation . The contents is composed of four parts.Chapter 1: Introduction. The main contents includes the worth of study of this topic, research conditions about this topic, the reasons that the writer studies the topic and the sources of the materials, writing skills, structure and main contents of this dissertation.