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Study on the eco-efficiency of single element of non-agricultural land conversion base on the urbanization

机译:基于城市化的非农土地流转单要素生态效率研究

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The land conversion is a major source of CO2 in urbanization. The expansion of the extension of the city lending to agricultural land and its cover has been continuously reduced, which not only lead the green vegetation in fixed carbon to release, but also because of the lack of vegetation to absorb carbon caused a significant increase greenhouse gases in atmosphere. To reduce the CO2 in the atmosphere, this paper studies carbon emissions and coordinating between carbon emissions reduction and economic development from an efficiency point. Based on DEA environmental technology, this paper estimates eco-efficiency of carbon emissions caused by single element of nonagricultural land in the process of urbanization and industrialization, and further analyzes carbon emissions reduction and economic development coordinated degrees. Comparative of similar studies have found that carbon emissions are mainly caused by land use change, other input elements contribution to carbon emissions are in a secondary position in urbanization and industrialization process; It is mainly through the intensive use of land to achieve coordination between carbon emissions and economic development Therefore, it is crucial to use land resources rationally to achieve carbon reduction in urbanization and industrialization.
机译:土地转化是城市化过程中二氧化碳的主要来源。城市贷款向农业用地的扩展及其覆盖面的扩大一直在减少,这不仅导致固定碳中的绿色植被释放,而且由于缺乏吸收碳的植被导致温室气体显着增加在大气中。为了减少大气中的二氧化碳,本文从效率的角度研究了碳排放量并协调了碳排放量减少与经济发展之间的关系。本文基于DEA环境技术,估算了城市化和工业化过程中非农地单一要素引起的碳排放的生态效率,并进一步分析了碳减排与经济发展的协调程度。同类研究的比较发现,碳排放主要是由土地利用变化引起的,其他输入要素对碳排放的贡献在城市化和工业化过程中处于次要地位。主要是通过集约利用土地来实现碳排放与经济发展之间的协调。因此,合理利用土地资源以实现城市化和工业化过程中的碳减排至关重要。

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