貴德縣土地利用生態(tài)安全評價及對策研究.pdf

1、 學位類別：管理學 分 類 號： 學 號：1204010915 密 級： 青海民族大學碩士學位論文 青海民族大學碩士學位論文 貴德縣土地利用 貴德縣土地利用 生態(tài)安全評價及對策研究 生態(tài)安全評價及對策研究 學位申請人姓名： 項 秀 導師姓名及職稱： 卓瑪措 專 業(yè) 名 稱： 行政管理

2、 答辯委員會（簽名）： Research on ecological security evaluation of land utilization and its countermeasures in Guide county Abstract With increasingly serious ecological crisis in our country, land-use and ecological

3、safety research have become an advanced subject of sustainable utilization of land. In the basis of sustainable research, the thesis establishes the evaluation system of the ecological security and use mathematical model

4、s to have a scientific assessment for ecological security of land in Guide county. The paper summarizes and analysis the relevant research of land-use and ecological safety evaluation system, and sets the direction an

5、d method of this paper. After a deep field research, it has more comprehensive understanding of the high sensitivity, poor stability and weak recovery ability of the ecological environment system of Guide county. The reg

6、ion's economy at a rapid development stage but the administration of land use is still irregular. It is worth mentioning that secondary industry of this region is mainly supported by the large hydro-electric stations

7、 located on the upstream of yellow river. Based on collecting and cataloguing relative data, it establishes land use database of Guide county to analysis the status quo of the land, dynamic changes and existing problems

8、of land use thoroughly and finds the decrease of cultivated land, the degradation of grassland and disorder of urban expansion. It uses the main element analysis and multiple regressing methods to analysis the driver fac

9、tor of construction land use and cultivated land change and gets what the driving force of land use change in this region. By studing the scientific research of others, it adopts scientific evaluation index system to get

10、 the conclusion: the ecological security of Guide county remains on an average state. From the points of the ecological security and the weakness of plateau's ecological environment, the last part of this paper is ma