NA Wei,ZHAO Xin-ying,LIANG Dapeng,et al.Characteristics and Mitigation Countermeasure of Agricultural Greenhouse Gas Emissions in Jilin Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(11):85-90.[doi:10.11942/j.issn1002-2767.2021.11.0085]
吉林省农业温室气体排放特征及减排对策分析
- Title:
- Characteristics and Mitigation Countermeasure of Agricultural Greenhouse Gas Emissions in Jilin Province
- Keywords:
- greenhouse gas; planting; aquaculture; accounting; Jilin Province
- 文献标志码:
- A
- 摘要:
- 为指导农业减排措施的合理制定,本研究根据《省级温室气体清单编制指南(试行)》提供的研究方法和排放因子,结合吉林省农业生产活动实际,对2005-2019年吉林省农业生产活动温室气体的排放总量、演化特征、结构组成和排放强度进行分析。结果表明:2005-2019年,吉林省农业活动温室气体排放经历了快速增长、缓慢增长、缓慢下降3个演化阶段,增长幅度较小,总体保持相对稳定,呈现下降态势。吉林省农业温室气体组成结构一直以N2O排放为主体,呈现不断上升趋势,CH4排放当量所占比重则逐年下降,二者年均所占比重分别为60.46%和39.54%。研究阶段农用地N2O排放一直为吉林省温室气体第一排放源,其次为动物肠道、动物粪便管理排放,最低为稻田排放,年均所占比重分别为50.8%、28.8%、11.5%和8.9%。2005-2019年吉林省农业温室气体排放总体强度逐年下降,农业生产转型升级、节能减排效果较好。最后,分别依据吉林省温室气体不同排放源的特征提出了优化对策。
- Abstract:
- In order to guide the rational formulation of agricultural emission reduction measures,according to the research methods and emission factors provided in the guidelines for the preparation of provincial greenhouse gas list (Trial Implementation),combined with the actual agricultural production activities in Jilin Province,the total emission,evolution characteristics,structure composition and emission intensity of greenhouse gases from 2005 to 2019 in Jilin Province were analyzed.The results showed that from 2005 to 2019,the total amount of greenhouse gases in Jilin Province had experienced three evolutionary stages: rapid growth,slow growth and slow decline.The growth rate was small,and the overall greenhouse gas was relatively stable,showed a downward trend.The composition of greenhouse gases had been dominated by N2O emissions,showed a rising trend,while the proportion of CH4 emission equivalent had decreased year by year,with an annual share of 60.46% and 39.54% respectively.The emission sources of agricultural land have been the first source of greenhouse gases in Jilin Province,followed by the emission sources of animal gut and animal feces management,and the lowest was rice field emission,with an annual share of 50.8%,28.8%,11.5% and 8.9%.The intensity of greenhouse gas emission in Jilin Province had decreased year by year,and the transformation and upgrading of agricultural production and the effect of energy conservation and emission reduction were better.Finally,the optimization measures were put forward according to the characteristics of different emission sources of greenhouse gases.
参考文献/References:
[1]刘杰,王丽.黑龙江省农业温室气体排放量的估算研究及低碳农业发展建议[J].黑龙江农业科学,2017(10):104-110.
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备注/Memo
收稿日期:2021-06-18