地理科学 ›› 2015, Vol. 35 ›› Issue (1): 122-128.doi: 10.13249/j.cnki.sgs.2015.01.122

• • 上一篇    

基于GIS技术的青海湖流域综合整治类型区划分及整治方向

展秀丽1, 严平2(), 谭遵泉3   

  1. 1.宁夏大学资源环境学院, 银川 宁夏 750021
    2.北京师范大学地表过程与资源生态重点实验室, 北京 100875
    3.北京天合数维科技有限公司, 北京 100875
  • 收稿日期:2013-06-26 修回日期:2013-09-28 出版日期:2015-01-15 发布日期:2015-01-15
  • 作者简介:

    作者简介:展秀丽(1983-),女,甘肃靖远人,博士,讲师,主要从事荒漠化防治与生态恢复研究。E-mail:zhanxiuli@mail.bnu.edu.cn

  • 基金资助:
    国家自然科学基金(41201087)、国家科技支撑项目(2007BAC30B05-01)资助

Type Division of Comprehensive Management and Administration Way in the Qinghai Lake Watershed Based on GIS Technology

Xiu-li ZHAN1, Ping YAN2(), Zun-quan TAN3   

  1. 1.School of Recourses and Environment, Ningxia University, Yinchuan, Ningxia 750021, China
    2.State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China
    3.Beijing T&H D-Technology Co.,Ltd, Beijing 100875, China
  • Received:2013-06-26 Revised:2013-09-28 Online:2015-01-15 Published:2015-01-15

摘要:

根据青海湖流域自然环境和生态系统特征,以2009年青海湖流域植被分布图为底图,结合DEM高程数据、青海湖流域草场类型图以及青海湖流域行政区划图,综合考虑青海湖流域海拔、植被分布以及社会经济等因素,采用ArcGIS软件对青海湖流域进行3级划分,在分区的基础上提出各类型区生态与环境治理的基本思路与方向,提出各类型区综合治理土地沙漠化、湿地萎缩和草地退化等生态与环境问题的途径与对策。

关键词: 青海湖, 治理区划分, 整治方向

Abstract:

On basis of characteristics of physical environment and ecological system in the Qinghai Lake Watershed, and with the vegetation distribution image in 2009 in the Qinghai Lake Watershed as working map, combing with DEM altitude data, grassland type in the Qinghai Lake Watershed, administrative map, we considered synthetically factors of altitude, vegetation distribution and social economy and so on, and did three-level partition on Qinghai Lake Watershed. Based on the partition, we put forward the basic ideas of managing the ecological and environmental problems in every partition, and ways and countermeasures of ecological and environmental problems for comprehensively managing desertification, wetland shrinkage and grassland degradation. Primary partition was divided into three level areas, which were lake plain, hilly area and high mountains; Secondary partition on the basis of the primary partition, divided into grassland, river valley area and sandy area; Three-level partition was mainly to partition the areas around Qinghai Lake, the area of arable land, the grassland, the wetland and the desertification land. In this research, the natural characteristics of each region were described. On the basis of the division we proposed the existing main problems and reasons, and put forward the comprehensive control methods to solve the ecological and environmental problems which were land desertification, grassland degradation and wetland shrinking. The comprehensive control methods were following: 1) We should strengthen the rational allocation water resources of Qinghai lake basin and ecological environment management to solve the problem of the water surface decline of the Qinghai lake; 2) For the shrinking of wetlands, vegetation degradation and other issues, should strengthen vegetation protection and recovery on the banks of the river wetland; 3) For excessive reclamation and lagging irrigation, should return farmland to forest and grass and vegetation restoration should be strengthened; 4) For the problems caused by some poisonous weeds on the grassland area, should grasp the characteristics of the poisonous weeds, avoid the poisonous weeds growing season, or choose non-sensitive livestock grazing; 5) In the sand area, moderate and light desertification area would need to management, should adopt mechanical and biological measures, the potential desertification areas need to be timely prevention, tall sand hill need not control, should keep natural desert landscape.

Key words: Qinghai Lake, type division, administration way

中图分类号: 

  • K903