岩溶山区县域农业碳足迹分析——以毕节地区为例  

Analysis of Agricultural Carbon Footprint in the Karst Mountainous Area——Taking Bijie as a Case Study

作　　者：邵技新[1,2] 

机构地区：[1]贵州师范学院资源环境与灾害研究所,贵阳550018 [2]贵州师范学院地理与旅游学院,贵阳550018

出　　处：《水土保持研究》2012年第5期210-213,共4页Research of Soil and Water Conservation

基　　金：国家十二五科技支撑计划项目(2012BAJ25B09);贵州省科技基础条件平台课题(黔科合院所创能[2010]4001);贵州省科学技术基金(黔科合J字[2009]2030号);贵州省科技攻关计划(黔科合S字[2010]3015;[2007]1020);贵州省省长基金(黔省专合字[2007]89号)

摘　　要：为探索岩溶落后地区的低碳农业发展途径,选择典型岩溶地区——毕节地区,以2010年统计数据为例,对其农业碳排放、碳固定和碳足迹进行估算。结果表明:(1)毕节地区8个县市的农业碳排放量和碳排放强度的地区差异明显,农业碳排放量最多的黔西县为86 165.4t,最少的织金县为37 169.3t,两者相差48 996.0t,前者是后者碳排放量的1.32倍。碳排放强度最大为黔西县和纳雍县,最少的为织金县,其顺序依次为黔西县>纳雍县>金沙县>大方县>毕节市>赫章县>威宁县>织金县。(2)毕节地区8个县市的农业碳汇量与碳汇强度变化差异明显。纳雍县和威宁县的农业碳汇量与碳汇强度变化呈相反趋势。(3)毕节地区8个县市的碳足迹差异化明显,农业碳足迹都处于生态盈余状态,单位面积的碳足迹和单位农业GDP碳足迹差异明显,单位面积碳足迹顺序为威宁县>纳雍县>金沙县>赫章县>大方县>毕节市>黔西县>织金县;单位农业GDP碳足迹顺序为威宁县>赫章县>大方县>金沙县>黔西县>毕节市>纳雍县>织金县。威宁县无论单位面积碳足迹和单位农业GDP碳足迹均最大,织金县最小。Carbon footprint provides new perspective of analysis of human activities effecting climate change. Therefore, this paper taking typical karst area--Bijie as an example, estimated the agricultural carbon emis- sions, carbon sink and carbon footprint. The results of the study showed that： （1〉 agricultural carbon emis- sions and carbon emissions intensity of eight counties had apparent differences in Bijie, QianXi was the most agricultural carbon footprint county, 86 165.37 t, the least was Zhijin County with 37 169.33 t of emission, the difference between those two counties was 48 996.04 t, the carbon emission of QianXi County was 1.32 times of that of Zhijin County. Qianxi and Nayong County had the biggest carbon emission intensity, the least was Zbijin, the sequence was Qianxi〉Nayong〉〉Jinsba〉Dafang〉 Bijie 〉 Hezhang〉 Weining~ Zhijin （2〉 agricultural carbon sink and carbon sink intensity of eight counties in Bijie had obvious difference, and agricultural carbon sink and carbon sink intensity of Weining and Nayong county had contrary trend; （3〉 car- bon footprint had obvious differentiation, agricultural carbon footprint is at the surplus state, but the differ- ences of carbon footprint of unit area and unit agricultural GDP were significant, the sequence of per unit area of carbon footprint was Weiningn〉Nayong〉Jinsha〉Zhijin〉Hezhang〉Dafang〉Bijie〉Qianxi〉Zhijin〉 U- nit GDP of agriculture carbon footprint was Weining〉Hezhang〉Dafang〉Jinsha〉Qianxi〉Bijie〉Nay〉ng〉 Zhijin. Weining had the largest per unit area of carbon footprint and unit agricultural GDP, while Zhijin was just opposite.

关 键 词：岩溶山区 农业 碳足迹 毕节地区 

分 类 号：F301.24[经济管理—产业经济] F062.2