Spatial-temporal Characteristics and Decoupling Effects of Agricultural Carbon Emissions at Xuzhou City
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F327, S157.4

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    Abstract:

    [Objective] The spatial-temporal characteristics and decoupling effects of agricultural carbon emissions at Xuzhou City, Jiangsu Province were analyzed in order to provide a theoretical basis and data reference for green, high-quality sustainable development of agriculture and the benign growth of the agricultural economy in Xuzhou City, and its surrounding resource-based cities in the future. [Methods] The total amount, intensity, and structure of agricultural carbon emissions at Xuzhou City from 2000 to 2020 were measured using the emission coefficient method, and their decoupling relationship with agricultural economic development was determine based on the Tapio decoupling model. [Results] ① The overall trend of agricultural carbon emissions at Xuzhou City could be described as M-shaped (rapid rise-fluctuating rise-rapid decline) from 1.61×106 t in 2000 to 1.69×106 t in 2020. The contributions of factors affecting agricultural carbon emissions followed the order of arable land use (46.44%), crop cultivation (31.90%) and livestock breeding (21.66%), with chemical fertilizers being the most important carbon source; ② Agricultural carbon emission at Xuzhou City varied significantly among districts (counties and cities) and had undergone a long-term evolutionary process from rising to falling, with a spatial distribution pattern of “higher in the middle and lower in the surrounding areas”, with Pizhou City being the most prominent; ③ Xuzhou City’s agricultural carbon emissions and agricultural economic development have generally undergone a process of “weak decoupling—strong negative decoupling—expansion of negative decoupling—strong decoupling”, and has mainly manifested as strong decoupling since the 13th Five-Year Plan. [Conclusion] Xuzhou City’s agricultural carbon emissions are becoming more and more reasonable as the concept of low-carbon emission reduction continues to deepen. Agricultural economic development has also achieved clear and convincing effects.

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徐玥,王辉,韩秋凤.徐州市农业碳排放时空特征与脱钩效应[J].水土保持通报英文版,2023,43(5):395-403

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History
  • Received:November 05,2022
  • Revised:April 03,2023
  • Online: November 30,2023