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民国时期青海自然灾害与社会应对
作者: 袁瑞   来源: 青海师范大学 年份: 2014 文献类型 : 学位论文 关键词: 社会应对   自然灾害   民国时期   青海  
描述: 由于所处地理位置的特殊性,自古以来青海就是一个自然灾害不断的地区。民国时期干旱、洪涝、雹灾、雪灾、地震等自然灾害更是频繁发生。这些灾害给民众带来了沉重的灾难,并给这一时期青海社会经济的发展带来了极大的影响。本文以民国时期青海自然灾害与社会应对为研究对象,结合史料,对这一时期自然灾害的类型及其特点、灾
全文:性和伴生性以及成灾范围大等特点。青海自然灾害频繁发生,不仅受地形地貌、气候环境等自然因素的影响,而且与社会因素密切相关。其中社会因素包括人口增长、盲目垦殖、乱砍滥伐、社会经济承受灾害的薄弱性及民国社会
文明传播视野下的汉代河西开发
作者: 刘俊玲   来源: 青海师范大学 年份: 2010 文献类型 : 学位论文 关键词: 河西   汉代   开发   文明  
描述: ral environments make the cultural dissemination possible. In archeological materials we can see plenty of Neolithic culture and Bronze culture,which may be nomads. Ywati, Wusun, Hun were lived here.Befor Han Dynastie ,the area was regarded as wild and woolly place.the Hun sprang up during Qin and Han Dynastie, Gansu Corridor became more and more imporant in military and politics affairs. After the establish of Western Han Dynasty ,the imperium rehabilitated for tens of years . Emperor han wudi change the plant to the Hun. I n the second year of yuanshou of Emperor han wudi(121BC),Huoqubing go on an expedition to Gansu Corridor,and wan,because the Hunye king killed the Xiutu king . The Hunye king surrenderred and leaded his man about 40000 .This is significant to the history of culture diaaemination. From then on,Han culture hold the dominant position in the war.The pattern of dissemination were war,politics and valueas.And the policy which Han made decision of the dissemination and the speed. After long time Interaction,the two change the hisroy of this area.Although some rejection and degradation happened,the new trail was certainty. Agricultural civilization took new tools to the area,and finally the Silk Road was freely.It made a contribution to culture dissemination.However,the aggressive e x p a n s i o n m a d e t h e immigrate and armies too huge,and led the crisis of ecologyand resource. Qiang civilians uprising during the Eastern Han Dynastie made the land desertificated. The process was not at one stroke,but a long time. Rely on force was to set up a unified ,multinational country.
全文:的河西被视为蛮夷之地,秦汉时期随着匈奴的崛起,河西开始显示其军事政治的重要性。西汉建立后,随着几十年的休养生息,内地经济实力的增强,从汉武帝开始对匈奴的战略发生根本变化。元狩二年(公元前121年
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