长江流域资源与环境 >> 2014, Vol. 23 >> Issue (05): 603-.doi: 10.11870/cjlyzyyhj201405002

• 自然资源 • 上一篇    下一篇

恩施地区生态足迹和生态承载力评价

张家其, 王佳, 吴宜进 , 葛咏, 王程昊   

  1. (1.华中师范大学城市与环境科学学院,湖北 武汉 430079; 2.华中师范大学外语学院,湖北 武汉 430079; 3.中国科学院地理科学与资源研究所,资源与环境信息系统国家重点实验室,北京 100101 
  • 出版日期:2014-05-20

ECOLOGICAL FOOTPRINT AND ECOLOGICAL CARRYING CAPACITY EVALUATION IN ENSHI

ZHANG Jiaqi1, WANG Jia2, WU Yijin1, GE Yong3, WANG Chenghao1   

  1. (1.College of Urban and Environmental Science, Central China Normal University, Wuhan 430079, China; 2.Institution of Foreign Studies,Central China Normal University,Wuhan 430079,China; 3.State Key Laboratory of Resources and Environmental Information System,Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
  • Online:2014-05-20

摘要:

以恩施地区2010年统计数据为依据,对其2010年的生态足迹、生态承载力、生态盈余进行计算和分析,并将生态足迹、生态承载力、生态盈余和万元GDP生态足迹分别与恩施地区贫困村分布密度进行空间耦合。研究表明:(1)恩施地区人均生态盈余为0467 hm2,人均生态承载力为0947 1 hm2,人均生态足迹为048 hm2;(2)贫困村分布密度最高的来凤县、建始县人均生态盈余很少,而贫困村分布密度最低的利川市、咸丰县、宣恩县、鹤峰县,人均生态足迹最高和最低的县分别是咸丰县、宣恩县,鹤峰县的生态承载力最高,人均生态盈余最高的是宣恩县、鹤峰县,万元GDP生态足迹最高和最低的分别是利川市,巴东县;(3)通过生态足迹的研究,提出了恩施贫困地区需放大生态比较优势,〖JP2〗因地制宜,努力将生态盈余转化为直接的经济增长,使之能够有效的帮助贫困地区脱贫致富

Abstract:

Poverty as a worldwide problem is very difficult to solve. Eradication of poverty is a longterm goal of Chinese people. In the past, poverty alleviation and development has always focused on economic growth, while the protection of the ecological environment has been ignored. In fact, poverty is closely related with the environment. The more fragile the environment is, the higher the poverty is. At the present stage, due to unbalanced development, scarcity of natural resources and deterioration of environment, helpthepoor work is facing greater challenges. The UN Millennium Development Goals mentioned that governments should ensure environmental sustainability, reverse the loss of environmental resources, and integrate the principles of sustainable development into national policies and programs. Sustainable development is a development strategy and new concept of development. Quantitative measurement of sustainable development is the way to make this development idea to an operable development model. In order to incorporate sustainability into specific indicators to measure whether the scope of human survival is in the ecosystem carrying capacity, ecological carrying capacity and ecological footprint method is a simple and comprehensive approach.
The ecological footprint analysis method has been widely used in the quantitative study and judging sustainable development of a country or area. And the quantitative measurement of sustainable development is a prerequisite way for the implementation of the strategy of sustainable development. Using the ecological footprint analysis method, based on the statistical data of 2010 in the poor areas of Enshi, we calculated and analyzed ecological footprint, ecological carrying capacity in 2010. We made spatial coupling between the density distribution of poverty villages in the Enshi area with ecological footprint, ecological capacity, ecological surplus and the ecological footprint of per ten thousand yuan GDP. The results showed as follows. (1) The biologically productive area utilization efficiency of the Enshi area was higher than Hubei Province. The per capita ecological surplus was 0467 hm2.The per capita ecological capacity was 0.947 1 hm2.The per capita ecological footprint was 048 hm2. The per capita ecological capacity of Enshi poverty area was much higher than the average ecological footprint. These results suggested that the environment can meet the needs of the region development for poverty alleviation very well. (2) Laifeng County and Jianshi County had the highest density of impoverished village distribution. The per capita ecological footprint here was relatively high, but the per capita ecological carrying capacity and ecological surplus were at a very low level. Badong County and Enshi had a relatively high density of impoverished village distribution. And per capita ecological surplus in Badong was higher than that in Lichuan County, Xianfeng County, Xuanen County and Hefeng County. The highest and lowest per capita ecological footprint was respectively located in Xianfeng County and Xuanen County. Ecological carrying capacity in Hefeng County was the highest. On the contrary, the lowest was in Lichuan County. Xuanen County and Hefeng County had the highest per capita ecological surplus. The highest and lowest ecological footprint of ten thousand yuan GDP was respectively in Lichuan County and Badong County. (3) Through the study of the ecological footprint, Enshi impoverished area should enlarge the ecological advantages, adjust measures to local conditions and attempt to turn ecological surplus into direct economic growth, which can help the impoverished area out of poverty effectively

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