As one of the important mining cities, Anshan was also one of the biggest steel industrial bases in China. In order to offer suggestions for the sustainable development of Anshan city, we should research the status and developing trend of ecological carrying capacity in Anshan city. Based on the unique meaning of mining cities, we established the indicator system about ecological carrying capacity in Anshan city. Using entropy weight and integrated index evaluation method, we researched the situation of ecological carrying capacity in Anshan city during the 10th Five-year Plan, and then we discussed the developing trend of ecological carrying capacity in 2010. The results showed that: during the 10th Five-year Plan, the integrated ecological carrying capacity in Anshan city was in a critical safe state; however, it was increasing throughout the period with an increase from 0.44 to 0.60. Pressure and support indicators were also increasing on the whole, being 0.61 in 2005 but inferior to the safety state. However, the indexes of economic pressure, resource pressure and ecological health were still low. Economic pressure was lower than the critical value from 2001 to 2004; resource pressure was lower than the critical value from 2001 to 2003; and ecological health was lower than it from 2001 to 2002. They would restrict the development of ecological carrying capacity in Anshan. The ecological carrying capacity changed from over loading to surplus, and the harmony degree of economy was increasing gradually. According to the layout level in Anshan city, the integrated ecological carrying capacity would be in a comparatively safe state and no indicators would be lower than the critical safety values. In addition, both the carrying degree and harmony degree of ecological carrying capacity would be increased. By the method of integrated index evaluation method, the ecological carrying capacity of Anshan city during the 10th Five-year Plan was well reflected and forecasted, which would be a good example for the research of ecological carrying capacity in other areas.
GU Kang-kang, LIU Jing-shuang, CHEN Xin, PENG Xiao-li
. Dynamic Analysis of Ecological Carrying Capacity of a Mining City[J]. JOURNAL OF NATURAL RESOURCES, 2008
, 23(5)
: 841
-848
.
DOI: 10.11849/zrzyxb.2008.05.011
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