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彭阳县土地生态安全评价

时间:2019-01-06 20:29来源:毕业论文
以土地生态环境脆弱的宁夏彭阳县为研究区,分析了彭阳县目前土地利用的状况,选取不同适合彭阳县的土地指标,建立土地生态安全评价指标体系,并结合当地土地地形地貌,和社会

彭阳县土地生态安全评价摘要自古以来人类淡淡的各种活动都离不开土地在当下社会人口数量变多,社会经济也快速发展。人类只注重发展,却忽视了保护土地生态系统,人类不合理的使用土地资源导致对土地的结构和功能受到不同程度的破坏,这直接或间接的又制约了社会的发展,也危害到了人类社会的安全。土地生态安全在整个生态系统中的作用以及非常明显。因此人们开始了对土地生态安全研究,而且在土地研究中以成重要的一个课题。土地生态安全研究现在还不是很先进,而且有关土地生态安全研究案例、课题也不全面,土地生态安全评价各个方面都处于一个探索阶段,土地生态安全评价指标体系的建立也不太成熟。32370
    本文以土地生态环境脆弱的宁夏彭阳县为研究区,分析了彭阳县目前土地利用的状况,选取不同适合彭阳县的土地指标,建立土地生态安全评价指标体系,并结合当地土地地形地貌,和社会经济、文化等特点,对彭阳县土地生态安全状态进行评价。本文以彭阳县土地生态、经济、社会的和谐发展为目的,通过数据计算结果分析和认识,找出彭阳县土地生态安全问题,并根据实际情况提出可行性建议,方便彭阳县土地决策者做出决策,为合理、高效的配置土地资源,科学的处理好土地与经济的关系,做出数据支持。
毕业论文关键词:土地生态安全;评价;指标体系;彭阳县
 Abstract
   Since ancient times, the light of human activities can not be separated from the land in the moment of the number of social population, social and economic development. People only pay attention to the development, but ignored the protection of land ecosystem and human irrational use of land resources lead to varying degrees of damage to the structure and function of land, which directly or indirectly restricted the development of society, endanger the safety of human society. The function of land ecological security in the whole ecosystem and the obvious. So people begin to study the land ecological security, and to become an important subject in land research.. Study on land ecological security now is not very advanced, and related research of land ecological safety case, the topic is not comprehensive, evaluation of land ecological security in all aspects in a stage of exploration, the establishment of evaluation index system of land ecological security is not quite mature.
源`自*六)维[论*文'网www.lwfree.cn

   The land ecological environment fragile Ningxia Pengyang County as the study area, analyzes the land use present situation of Pengyang County, selected different targets for Pengyang County land, the establishment of evaluation index system of land ecological security, and combined with the local land topography, and social economy and culture characteristics of Pengyang County, the state of land ecological security evaluation. In this paper, with the purpose of Pengyang County land ecological, economic and social harmonious development, through the data analysis of the calculation results and understanding, find out the problems of land ecological security in Pengyang County and according to the actual situation proposed feasible suggestions, convenient in Pengyang County Land decision makers to make decision, for the reasonable and efficient allocation of land resources, manage land and economic relationship to make the data support。
Keywords: land ecological security, evaluation, index system, Pengyang County
目录
1.绪论    1
1.1 研究的背景和意义    1
1.1.1 研究的背景    1
1.1.2研究的意义    1
1.2 国内外研究综述    1
1.2.1 国外研究综述    1
1.2.2 国内研究进展    2
1.3 研究内容与方法    2 彭阳县土地生态安全评价:http://www.lwfree.cn/gongcheng/20190106/28911.html
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