2006—2014年延安市生态足迹和承载力变化分析  

Analysis on Change in Ecological Footprint and Land Carrying Capacity in Yan′an City from 2006 to 2014

作　　者：吴歌 符素华[3,2] 杨艳芬 冯永忠 WU Ge;FU Suhua;YANG Yanfen;FENG Yongzhong(University of Chinese Academy of Sciences,Beijing 100049,China;Faculty of Geographical Science, Beijing Normal University,Beijing 100875,China;Institute of Soil and Water Conservation,Northwest A&F University,Yangling,Shaanxi 712100,China;Research Center of Recycle Agricultural Engineering and Technology,Yangling,Shaanxi 712100,China;College of Agronomy,Northwest A&F University,Yangling, Shaanxi 712100,China;Institute of Soil and Water Conservation,CAS&MWR,Yangling,Shaanxi 712100,China)

机构地区：[1]中国科学院大学,北京100049 [2]中国科学院水利部水土保持研究所,陕西杨凌712100 [3]北京师范大学地理学部,北京100875 [4]西北农林科技大学水土保持研究所,陕西杨凌712100 [5]陕西省循环农业工程技术研究中心,陕西杨凌712100 [6]西北农林科技大学农学院,陕西杨凌712100

出　　处：《水土保持研究》2018年第6期259-264,276,共7页Research of Soil and Water Conservation

基　　金：陕西省科技统筹创新工程计划项目"陕北黄土高原丘陵沟壑区坡耕地抗旱减蚀适应性技术研究"(2015KTCL02-07);中国科学院"西部之光"人才培养引进计划

摘　　要：为了分析延安市的可持续发展状况,以2006—2014年延安市统计资料为基础,计算了延安市生态足迹、生态足迹多样性指数、生态承载力和生态盈余/赤字的变化情况,并结合万元GDP生态足迹、生态经济系统发展能力指数和生态足迹指数对延安市可持续发展能力进行了分析。结果表明:延安市生态足迹增长速度高于承载力增长速度,生态赤字不断增大;各土地类型生态足迹和生态承载力分配极不均衡,在生态足迹中化石能源用地和草地约占95%,在生态承载力中耕地和林地分别约占87%;万元GDP生态足迹逐渐减小,资源利用效率在提高,但发展对资源的消费速度仍高于资源的再生速度。该研究结果可为延安市土地规划利用和产业结构调整提供参考。In order to analyze the sustainable development status of Yan′an City,the indexes including GDP ecological footprint,ecological footprint diversity,land carrying capacity and ecological footprint index(EFI),etc.were used to analyze the development status of Yan′an City.The results showed that ecological footprint grew faster than land carrying capacity in Yan′an City during the period from 2006 to 2014;seriously ecological deficit existed in Yan′an City;moreover,the ecological footprint and land carrying capacity both presented the low diversity and unevenly distributed;with respect to the ecological footprint,fossil land and grass land took up 95%;with respect to the ecological capacity,arable land and forest accounted for 87%;GDP ecological footprint gradually decreased,which indicated that the efficiency in resource use slowly increased from 2006 to 2014.The result of EFI showed that the badly unsustainable development existed in Yan′an City.

关 键 词：生态足迹 生态承载力 生态盈亏 可持续发展 延安市 

分 类 号：X22[环境科学与工程—环境科学]