关键词
甘肃河西地区节水农业发展研究
作者: 王江海   来源: 兰州大学 年份: 2014 文献类型 : 学位论文 关键词: 节水农业   战略分析   河西地区  
描述: 水是人类赖以生存的基础,具有很强的公益性、战略性。甘肃河西地区素有“陇原粮仓”之称,但由于水资源短缺,加之长期无节制的掠夺式开发利用,导致水资源供需矛盾非常突出,水危机四伏,生态环境恶化,公地悲剧
全文:水是人类赖以生存的基础,具有很强的公益性、战略性。甘肃河西地区素有“陇原粮仓”之称,但由于水资源短缺,加之长期无节制的掠夺式开发利用,导致水资源供需矛盾非常突出,水危机四伏,生态环境恶化,公地悲剧
西北少数民族地区乡村社会流动的后果研究
作者: 张文政   来源: 兰州大学 年份: 2009 文献类型 : 学位论文 关键词: 民族地区   社会流动   后果   西北   乡村  
描述: n the minority areas of the Northwest
全文:社会流动是重要的一种社会现象,指人们在社会关系空间中从一个位置向另一个位置的移动。当前在西北少数民族地区,乡村社会流动主要表征为劳动力的外出务工经商等非农性就业行为。就流动的量而言,呈现出汹涌之势
甘肃省黄河沿岸地区水资源承载能力分析
作者: 刘建兰   来源: 兰州大学 年份: 2010 文献类型 : 学位论文 关键词: 甘肃省   沿黄地区   水资源   承载能力   系统动力学  
描述: th, the demand of water resource is continuously increasing. That is to say water shortage has become a global problem. Water resources carrying capacity is the basis and prerequisite of regional socio-economic development, which is significant to realize the coordinated development of regional "water resources- ecological environment-socio-economy" composite system. So it has become the focus and hot topic in water science field nowdays.
全文:半干旱向干旱过渡的地带。这里也是我国西北地区的地理要冲,自古以来就是沟通西域与内地的咽喉所在,为著名的古丝绸之路的必经之地。这里集中了全省主要的现代工业力量和科技教育资源,已成为甘肃乃至西北地区经济增长
甘肃省黄河沿岸地区水资源承载能力分析
作者: 刘建兰   来源: 兰州大学 年份: 2010 文献类型 : 学位论文 关键词: 甘肃省   沿黄地区   水资源   承载能力   系统动力学  
描述: th, the demand of water resource is continuously increasing. That is to say water shortage has become a global problem. Water resources carrying capacity is the basis and prerequisite of regional socio-economic development, which is significant to realize the coordinated development of regional "water resources- ecological environment-socio-economy" composite system. So it has become the focus and hot topic in water science field nowdays.
全文:半干旱向干旱过渡的地带。这里也是我国西北地区的地理要冲,自古以来就是沟通西域与内地的咽喉所在,为著名的古丝绸之路的必经之地。这里集中了全省主要的现代工业力量和科技教育资源,已成为甘肃乃至西北地区经济增长
明清及民国时期黑河流域中游地区绿洲化荒漠化时空过程研究
作者: 石亮   来源: 兰州大学 年份: 2010 文献类型 : 学位论文 关键词: 干旱区   黑河流域   明清及民国时期   绿洲化与荒漠化时空过程  
描述: had been also analyzed. The results showed that: 1. In the early Ming Dynasty, the study area had
全文:如下几点: 1.明朝占领黑河流域初期就开始了对这一地区的大规模开发,人工绿洲规模迅速扩大,此后人工绿洲规模开始逐渐萎缩;嘉靖至万历年间,明朝政府重整屯田,人工绿洲规模逐渐恢复并有所发展。 2.清朝时期
明清时期定西自然灾害研究
作者: 权琦   来源: 兰州大学 年份: 2007 文献类型 : 学位论文 关键词: 灾害   明清   定西  
描述: 自然灾害的产生究其原因分为自然的变异和人为的不良影响因素。定西地区明清时期就已十年九旱,“贫瘠甲于天下”,当地百姓经常遭受由灾害带来的死亡威胁和经济损失。 左宗棠治理西北地区生态环境的措施无论是在水利建设还是在植被保护方面对现在环境保护措施的制定都具有十分有益的现实意义。 总结定西明清时灾害状况,分
全文:自然灾害的产生究其原因分为自然的变异和人为的不良影响因素。定西地区明清时期就已十年九旱,“贫瘠甲于天下”,当地百姓经常遭受由灾害带来的死亡威胁和经济损失。 左宗棠治理西北地区生态环境的措施无论是在
榆中生态示范区建设研究
作者: 张俊红   来源: 兰州大学 年份: 2009 文献类型 : 学位论文 关键词: 生态示范区   可持续发展   评价指标体系   生态综合指数   生态文化   生态经济   生态县  
描述: Ecological Demonstration Area is a region with benign recycle. It coordination opment of the economy and environment.
全文:和生态省的创建活动,将生态示范区建设扩展到了更大的范围和区域。生态示范区的建设是符合我国国情国力的切实可行的发展模式. 1995~2007年,全国已经开展了八批生态示范区建设试点,这些试点地区均编制了生态
青海海西州汉族移民文化变迁及民族关系研究
作者: 刘瑶瑶   来源: 兰州大学 年份: 2010 文献类型 : 学位论文 关键词: 海西汉族移民   文化变迁   民族关系  
描述: mic development. The fourth chapter discusses the change of marriage culture from aspects of ethnic intermarriage, uxorilocal marriage and village marriage. The fifth chapter mainly investigates and analyzes present situation and characters of Han immigrants' religion belief on Tibetan Buddhism, discusses fusion between Han's folk custom and Tibetan Buddhism. The sixth chapter detailed describes the process of funeral ritual, and illustrates characters and function of funeral ritual. The seventh chapter chooses six variables, namely inhabitation pattern, individual communication, language use, religion belief, national consciousness and social distance, to comprehensively considerate ethnic relation, furthermore concludes the characters of ethnic relation and puts forword several suggestions. The eighth chapter is concluding remarks to this topic, which discusses characters and trends of Han immigrants' cultural change, and concludes characters,influencing factors and tendency of ethnic relations in Haixi immigrant region. Haixi Autonomous Prefecture of Qinghai province lies at northern Qinghai-Tibet Plateau. Most areas are alpine and hypoxia, and natural condition is very bad, which is unfit for agriculture production, so it has been the habitation of nomadic minority groups. As the border area, the past dynasties continuously recruited and migrated Han immigrants to Haixi region to open up waste land and garrison the frontier in order to maintain national stability and secure territorial integrity. For thousands years, in order to improve living environment, develop economy and build multiple cultural
全文:青海省海西州地处青藏高原北部,大部分地区高寒缺氧,自然条件十分恶劣,不适宜农耕生产,因而自古便是游牧少数民族的聚居地。作为边疆重地,自汉代起,历代中央政府不断从各地招募和迁移汉族群众到海西地区屯田
明代河州岷州洮州军屯研究
作者: 肖文清   来源: 兰州大学 年份: 2010 文献类型 : 学位论文 关键词: 河州   明代   岷州   洮州   军屯  
描述: y, military and culture in Ming Dynasty。The research on military farming of the Ming Dynasty played the vital role of leading as to the research on the outline the history of the Ming Dynasty. The Military Farming in three states-- He Min and Tao-in Ming Dynasty, as the epitome of the Ming Dynasty Northwest military Farming, has its characteristics. He Min and Tao military farming not only has the common characteristic of that period, but also has its unique distinguishes, because which is located at the junction of the Han and other ethnic groups, within the area lived many ethnic minorities. In this paper, the author analyzes the relevant historical materials and uses theories and methods of history and ethnology to explain the origin, development, characteristics of the military farming. And the author discusses the reasons why they declined in the later years and the impacts in a detailed and intensive way. Based on local historical dates and combined with the same period dates, the article analyze mainly the differences among the three states from its preparation, operation, function and impact aspects and deal with the military system of the Ming Dynasty, migration, defense policy, minority administration and policy, economic strategies.
全文:军屯,是明代西北军事屯田的缩影,具有代表性。处于明代军屯大格局中的河州、岷州、洮州三卫军屯,除具有明代军屯的共同特征外,由于地处汉族与其他民族交界之处,境内少数民族众多,因而又具有区别于其他地区军屯
河西走廊多元民族文化互动研究
作者: 李元元   来源: 兰州大学 年份: 2010 文献类型 : 学位论文 关键词: 多元民族文化   河西走廊   互动  
描述: The Gansu Corridor area is the important multi-ethnic community of our country.
全文:河西走廊地区是我国重要的多民族聚居区。从古至今,由于特殊的地理区位和独特的人文景观,千百年来,有众多民族来此驻足、定居。在多样性民族实体介入的同时,多样性的民族文化也随之进入了河西走廊地区。因此
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