摘要
近代是历史时期波及青海全省范围的大规模农业垦殖的起始阶段,从其发展历程来看可以分为衰落、恢复并快速发展和再度衰落三个时期。不同时期,人口数量、农垦的地域分布和水利事业发展均有所不同。近代农垦对青海环境变迁所造成的影响依然是局部的。
Initial stage of large-scale agricultural cultivation on modern history historical period in- volves the range of the whole province of Qinghai can be divided into three periods including decline , recovery and fast development and decline once again according to its development course. Different periods has different population quantity region of land reclamation and cultivation distribute and water conservancy. The modern influence caused toward environment changes of Qinghai of land reclamation and cultivation is still patial.
出处
《中国历史地理论丛》
CSSCI
北大核心
2008年第2期67-75,共9页
Journal of Chinese Historical Geography
基金
教育部人文社科重点研究基地重大项目“青藏高原历史地理研究”(项目批号:02JAZJD840010)
关键词
青海
近代
农业垦殖
环境变迁
Qinghai 1840--1949
Agricultural cultivation
Environmental changes