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Distributional dynamic and trend evolution of China's agricultural carbon emissions-an analysis on panel data of 31 provinces from 2002 to 2011

查看全文 作　　者：Yun [1,2]Tian;Junbiao [1,2]Zhang;Qiqi [1,2]Chen 高影响力作者 机构地区：[1]College of Economics & Management,Huazhong Agricultural University;[2]Hubei Rural Development Research Center高影响力机构 出　　处：《Chinese Journal of Population,Resources and Environment》索引2015年第13卷第3期,共9页高影响力期刊 基　　金：funded by the National Natural Science Foundation of China[grant number 71273105];the Fundamental Research Funds for the Central Universities[grant number 2013YB12] 摘　　要：Researching the dynamic distribution characteristics and trend evolution of agricultural carbon emissions is of considerable significance in formulating an effective agricultural carbon reduction policy.Based on measurement of agricultural carbon emissions of 31 provinces over the period 2002-2011,the study observed regional differences and the dynamic evolution of distribution of agricultural carbon emissions using agricultural carbon intensity as the indicator,accompanied by Gini coefficients and the kernel density estimation method.The results demonstrate first that agricultural carbon emissions for China show an obvious nonequilibrium nature in regard to spatial distribution.According to the differences in agricultural carbon emissions dynamic trends,we divided the 31 regions into four types- continuous decline,fluctuating decline,continuous increase,and fluctuating increase.Further,agricultural carbon emissions intensity showed a downward trend with significant differences in the research areas.Second,the gap in spatial distribution of national agricultural carbon emissions is gradually expanding based on the results calculated by Gini coefficient.From the perception of regional differences in agricultural carbon emissions,the eastern region showed an average level,the gap was more obvious in the central region,while western region showed a trend of fluctuating downward.Third,according to estimation by kernel density,the regional disparity in agricultural carbon emissions had a downward,but limited,trend.In regard to agricultural carbon emissions over the three areas,the regional gap not only tended to decrease but also showed a 'four way' differentiation phenomenon in the eastern region.The difference in the central region difference was narrower.On the whole,the gap for the western region reduced steadily over a small range. 关 键 词：China agricultural carbon emissions distributional DYNAMIC TREND EVOLUTION KERNEL density
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