喀斯特区域生态承载力评价与分析——以贵州省为例
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摘要
基于可持续发展理念的核心,以贵州省统计资料为依据,计算2005~2013年人均生态足迹和生态承载力,分析生态承载力的动态变化趋势及其对可持续发展研究的影响。结果显示:2005~2013年,贵州省人均生态足迹从3.0545hm2/人上升到4.6395hm2/人。从生态足迹的分组来看,原煤的生态足迹最大,耕地、林地、草地的变化不大,总体呈现递增的趋势,建筑用地和水域都在逐渐增加;人均生态承载力从1.1514hm~2/人上升到1.2491 hm~2/人,人均生态足迹增速大于人均生态承载力;导致研究区生态赤字一直不断增加,形势严峻;万元生态足迹从5.8840hm~2/万元GDP直线下降到的2.0293 hm~2/万元GDP,表明近年来贵州省的资源利用率明显得到提高。
Based on the core of the concept of sustainable development and the statistical data in Guizhou,the writer calculates the per capita ecological footprint and ecological carrying capacity,analyzes the dynamic transfer tendency of ecological capacity and its influence on sustainable development from 2003 to 2015.The results showed that:from 2005 to 2013,the per capita ecological footprint in Guizhou ranges from 3.0545 hm2 to4.6395 hm2.From the perspective of the group of ecological footprint,the ecological footprint of raw coal is the largest;the changes of cultivated land,forest land,grassland are small,showing a gradually increasing tendency;Building lands and waters are gradually increasing.Per capita ecological carrying capacity ranges from 1.1514hm2 to 1.2491 hm2 gradually.The ecological deficit in the study area has been increasing and the situations are serious.Within researching years,ten thousand yuan ecological footprint declined from 5.8840 hectares per ten thousand yuan to 2.0293 hectares per ten thousand yuan GDP from 2005 to 2013,which indicates that the availability of resources of Guizhou has been obviously improving.
Based on the core of the concept of sustainable development and the statistical data in Guizhou,the writer calculates the per capita ecological footprint and ecological carrying capacity,analyzes the dynamic transfer tendency of ecological capacity and its influence on sustainable development from 2003 to 2015.The results showed that:from 2005 to 2013,the per capita ecological footprint in Guizhou ranges from 3.0545 hm2 to4.6395 hm2.From the perspective of the group of ecological footprint,the ecological footprint of raw coal is the largest;the changes of cultivated land,forest land,grassland are small,showing a gradually increasing tendency;Building lands and waters are gradually increasing.Per capita ecological carrying capacity ranges from 1.1514hm2 to 1.2491 hm2 gradually.The ecological deficit in the study area has been increasing and the situations are serious.Within researching years,ten thousand yuan ecological footprint declined from 5.8840 hectares per ten thousand yuan to 2.0293 hectares per ten thousand yuan GDP from 2005 to 2013,which indicates that the availability of resources of Guizhou has been obviously improving.
引文
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顾康康,刘景双,窦晶鑫.2007.资源型城市生态承栽力对土地利用变化的响应[J].生态与农村环境学报,23(2):7-11.
李理,苏维词,刘灿.2014.贵州省近年来生态足迹动态分析[J].水土保持研究,21(4):251-255
刘建伟,李雪飞,孙连彬.2012.临沂市资源利用方式与两型社会建设关系探讨[J].山东国土资源,23(6):59-63.
刘晓娜,杨艳昭,李鹏.2012.西南生态脆弱区生态承载力时空动态分析[J].地球科技前沿,2(1):37-43.
刘宇辉,彭希哲.2004.中国历年生态足迹计算与发展可持续性评估[J].生态学报,24(10):2258-2262.
马士彬,安裕伦.2008.喀斯特地区土地利用与坡度因子关系分析[J].贵州师范大学学报(自然科学版),26(1):18-21.
彭建,吴建生,蒋依依,等.2006.生态足迹分析应用于区域可持续发展生态评估的缺陷[J].生态学报,26(8):2716-2722
王书华,毛汉英,王忠静.2002.生态足迹研究的国内外近期进展[J].自然资源学报,17(6):776-782.
徐中民,张志强,程国栋.2000.甘肃省1998年生态足迹计算与分析[J]..地理学报,55(5):607-616.
张志强,徐中民,程国栋.21)00.生态足迹的概念及计算模型[J].生态经济,(10):8-10.
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