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中国畜牧业温室气体排放的脱钩与预测分析

本站小编 Free考研考试/2022-01-01

王欢,
乔娟,
中国农业大学经济管理学院 北京 100083
基金项目: 国家社会科学基金项目18BGL169
生猪产业技术体系北京市创新团队项目BAIC02-2018

详细信息
作者简介:王欢, 主要研究方向为农业资源环境与农村经济。E-mail:wangh1127@163.com
通讯作者:乔娟, 主要研究方向为农业经济理论与政策。E-mail:qiaojuan@cau.edu.cn
中图分类号:F323;X24

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收稿日期:2018-09-09
录用日期:2018-12-09
刊出日期:2019-05-01

Decoupling and predictive analysis of greenhouse gas emission from animal husbandry in China

WANG Huan,
QIAO Juan,
College of Economics & Management, China Agricultural University, Beijing 100083, China
Funds: the Philosophy and Social Science Foundation of China18BGL169
the Beijing Pig Industry Technology System Innovation Team ProjectBAIC02-2018

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Corresponding author:E-mail: qiaojuan@cau.edu.cn


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摘要
摘要:面对日益严峻的温室气体排放形势,中国做出到2030年左右二氧化碳排放达到峰值的承诺,其中畜牧业成为重要减排领域,因此,研究中国畜牧业温室气体排放现状及趋势尤为必要。基于2000-2014年省级面板数据,在参考《省级温室气体排放清单指南》测算畜牧业温室气体排放量基础上,借助Tapio脱钩模型分析畜牧业温室气体排放与经济发展之间的关系,采用LMDI模型分解其影响因素,并构建不同情景对2020年畜牧业温室气体排放目标进行分析。研究结果表明:畜牧业温室气体排放量总体呈下降趋势,非奶牛减排明显,是下降主因,但其仍处于50%水平之上,排放量达18 180.54万t;羊、生猪、奶牛排放量增加,分别为7 072.56万t、6 202.69万t、4 359.97万t。畜牧业温室气体排放脱钩效应比较理想,全国以弱脱钩状态为主,但经历波动变化、相对平稳、持续上升3个发展阶段,脱钩状态不稳定。综合效应在国家层面呈倒“U”型特征,但在省份间差异明显;生产效率效应是国家和省份减排的最大贡献者,经济发展效应则是增排的最主要推动因素;综合效应差异主要来自产业结构效应和劳动力效应的不同。2020年畜牧业温室气体排放远超管控目标,预测区间端点值分别超过目标12.84%和34.71%,减排压力大。因此,应调整产业结构,适当进口畜产品;针对不同地区脱钩状态差别化治理,提高养殖效率;明确畜牧业减排目标,分解管控任务。
关键词:畜牧业/
温室气体排放/
脱钩模型/
LMDI模型/
情景预测
Abstract:With increasing greenhouse gas emission, China has committed to cap carbon dioxide emissions by 2030. As animal husbandry has become an important part of the emission reduction effort, it is necessary to analyze the current situation and trend in greenhouse gas emission due to animal husbandry in the country. Based on the 2000-2014 provincial panel data and the Guidelines on Provincial Greenhouse Gas Emission Inventories, we estimated greenhouse gas emission due to animal husbandry and then used the Tapio decoupling model to analyze the relationship between greenhouse gas emission and the economic development due to animal husbandry. Furthermore, LMDI model was used to decompose the driving factors, and the greenhouse gas emissions target of animal husbandry in 2020 under different scenarios were also analyzed. The results suggested that greenhouse gas emission from animal husbandry decreased from 377.852 4 million tons in 2000 to 358.157 6 million tons in 2014, representing a drop of 5.21%. Emission reduction from non-dairy cattle was significant. However, it was still above the 50% threshold — 181.805 4 million tons. Emissions from sheep, pigs and cattle were respectively 70.725 6 million tons, 62.026 9 million tons and 43.599 7 million tons, all of which still increased. The decoupling effect of greenhouse gas emission from animal husbandry was ideal. The whole country was under weak decoupling that underwent three stages of fluctuation — relative stability — increase. The decoupling condition for each province was good, among which 15 provinces had strong decoupling, 15 provinces had weak decoupling and 1 province had receding decoupling. The comprehensive effect tracked an inverted U-curve at the national level, which was quite different for the provinces. The efficiency of production was the main contributor to the national and provincial emission reductions, while the effect of economic development was the most important driving factor of emission. The difference in comprehensive effect mainly came from the difference in industrial structure and labor. In 2020, greenhouse gas emission from animal husbandry far exceeded planned target. The predicted range of greenhouse gas emission from animal husbandry was from 335.630 8 to 400.677 1 million tons. Then the predicted endpoint values were respectively 12.84% and 34.71% more than the target, which great increased the pressure of emission reduction. In this case, only the lowest decoupling elasticity and the fastest economic growth rate had the least greenhouse gas emission gap. Greenhouse gas emission reduction was an inevitable requirement for sustainable development in the world. Although the decoupling effect of greenhouse gas emission from animal husbandry in China was obvious under the effect of several factors, emission reduction was still an arduous task, requiring the formulation of practical measures to promote it. Therefore, this work suggested that China needed to adjust its industrial structure and import livestock products instead of promoting domestic production. There was the need to implement differential governance of decoupling in different regions and improving farming efficiency. Also, clear animal husbandry emission reduction objectives and task assignments to provinces were required.
Key words:Animal husbandry/
Greenhouse gas emission/
Decoupling model/
LMDI model/
Prediction

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图12000—2014年各省区市畜牧业温室气体排放影响因素分解
Figure1.Decomposition of factors influencing greenhouse gas emission of animal husbandry in different regions of China during 2000-2014


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表1畜牧业温室气体排放Tapio脱钩类型划分
Table1.Detailed classification of decoupling indicators of Tapio of greenhouse gas emission from animal husbandry
温室气体排放量变化量/温室气体排放量
ΔG/G
畜牧业产值变化量/畜牧业产值
ΔH/H
脱钩弹性(t)
Decoupling elasticity
脱钩状态
Decoupling state
脱钩类型
Decoupling type
> 0> 0(1.2, +∞)扩张负脱钩Expansion negative decoupling负脱钩
Negative decoupling
> 0< 0(-∞, 0)强负脱钩Strong negative decoupling
< 0< 0[0, 0.8)弱负脱钩Weak negative decoupling
> 0> 0[0, 0.8)弱脱钩Weak decoupling脱钩
Decoupling
< 0> 0(-∞, 0)强脱钩Strong decoupling
< 0< 0(1.2, +∞)衰退脱钩Recessive decoupling
> 0> 0[0.8, 1.2]扩张连接Expansion connection连接
Connection
< 0< 0[0.8, 1.2]衰退连接Recession connection
??G: greenhouse gas emission; H: output value of animal husbandry.


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表2畜牧业温室气体排放量测量指标的统计性描述
Table2.Statistical descriptions of measurement indicators of greenhouse gas emission from animal husbandry in China
指标
Indicator
均值
Mean
中位数
Median
标准差
Standard deviation
最大值
Maximum value
最小值
Minimum value
生猪平均饲养量Average number of live pig (×104 head)31 207.3331 827.253 127.9236 251.8525 975.87
奶牛平均饲养量Average number of dairy cow (×104 head)1 122.171 246.90349.771 470.15489.00
非奶牛平均饲养量Average number of other cow (×104 head)10 842.3710 974.991 708.7212 810.338 884.90
羊平均饲养量Average number of sheep (×104 head)30 933.9529 429.403 249.8337 081.4528 161.80
家禽平均饲养量Average number of poultry (×104 head)151 467.20153 335.9020 481.96181 982.90121 879.20
兔平均饲养量Average number of rabbit (×104 head)11 568.3511 946.962 386.0114 866.537 444.44
马平均饲养量Average number of horse (×104 head)727.63711.1582.81876.80603.70
驴平均饲养量Average number of donkey (×104 head)737.69710.00108.82922.80592.95
骡平均饲养量Average number of mule (×104 head)333.82322.0077.08453.20227.70
畜牧业产值Animal husbandry output value (×104 ¥)9 650.989 460.571 860.9012 787.777 165.85
农业总产值Gross agricultural output value (×104 ¥)33 815.0333 147.876 520.2044 805.7125 107.66
农业从业劳动力Agricultural workers (×104 person)31 049.9031 444.004 755.5536 870.0022 790.00


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表32000—2014年中国畜牧业温室气体排放情况1)
Table3.Greenhouse gas emission of Chinese animal husbandry during 2000-20141)
104t
年份Year生猪Pig奶牛Dairy cow非奶牛Other cow羊Sheep合计Total
20004 444.471 450.2124 971.316 919.2437 785.24
20014 635.461 564.9824 850.577 013.9138 064.92
20024 782.911 859.3224 870.547 326.4438 839.22
20034 995.232 343.8425 189.657 830.1940 358.91
20045 214.632 967.3125 468.718 424.1842 074.83
20055 577.283 446.1725 839.278 806.9843 669.71
20065 741.953 824.5925 745.568 837.6244 149.73
20074 768.073 839.0822 141.607 800.7138 549.46
20085 148.463 646.5218 874.996 750.6734 420.65
20095 445.643 697.8818 973.206 737.2634 853.98
20105 626.893 975.0218 835.716 737.5935 175.21
20115 583.314 241.4918 285.156 711.8034 821.75
20125 888.714 351.0717 924.936 761.3934 926.10
20136 037.884 352.2517 948.946 856.7735 195.83
20146 202.694 359.9718 180.547 072.5635 815.76
??1)实证中未涉及马、骡、驴、兔、骆驼和家禽, 理由有3点:一是仅内蒙古、新疆、甘肃、青海、宁夏5个省区有骆驼且数量很少, 故予以剔除; 二是历年这些畜禽种类的温室气体排放之和仅占总排放量的3.5%左右, 去除不影响结论; 三是国家未出台这些种类生产相关规划, 缺乏后文分析所需数据。1) There are three reasons for the absence of horses, mules, donkeys, rabbits, camels and poultry in the empirical study. First, only five provinces and regions, which are Inner Mongolia, Xinjiang, Gansu, Qinghai and Ningxia, have a small number of camels, so they are eliminated. Second, the total greenhouse gas emission of these livestock and poultry species accounts for only about 3.5% of the total emissions over the years. Third, the state has not promulgated these kinds of production related planning, and lacks the data needed for subsequent analysis.


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表42000—2014年中国畜牧业温室气体排放量与畜牧业产值脱钩关系
Table4.Decoupling relationship between greenhouse gas emission and output value of Chinese animal husbandry during 2000-2014
年份
Year
温室气体排放量变化量/温室气体排放量
ΔG/G
畜牧业产值变化量/畜牧业产值
ΔH/H
脱钩弹性(t)
Decoupling elasticity
脱钩状态
Decoupling state
20000.0200.0240.838扩张连接Expansion connection
20010.0070.0280.264弱脱钩Weak decoupling
20020.0200.0290.701弱脱钩Weak decoupling
20030.0390.0251.565扩张负脱钩Expansion negative decoupling
20040.0430.0630.675弱脱钩Weak decoupling
20050.0380.0520.729弱脱钩Weak decoupling
20060.0110.0500.220弱脱钩Weak decoupling
2007-0.1270.037-3.428强脱钩Strong decoupling
2008-0.1070.054-1.983强脱钩Strong decoupling
20090.0130.0420.300弱脱钩Weak decoupling
20100.0090.0430.214弱脱钩Weak decoupling
2011-0.0100.042-0.239强脱钩Strong decoupling
20120.0030.0450.067弱脱钩Weak decoupling
20130.0080.0400.193弱脱钩Weak decoupling
20140.0180.0420.419弱脱钩Weak decoupling
??G: greenhouse gas emission; H: output value of animal husbandry.


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表52000—2014年各省份畜牧业温室气体排放量与畜牧业产值脱钩关系
Table5.Decoupling relationship between greenhouse gas emission and output value of animal husbandry in different regions of China during 2000-2014
地区
Region
脱钩弹性(t)
Decoupling elasticity
脱钩状态
Decoupling state
北京Beijing0.011弱脱钩Weak decoupling
天津Tianjin0.577弱脱钩Weak decoupling
河北Hebei-0.138强脱钩Strong decoupling
山西Shanxi-0.198强脱钩Strong decoupling
内蒙古Inner Mongolia0.257弱脱钩Weak decoupling
辽宁Liaoning0.301弱脱钩Weak decoupling
吉林Jilin0.067弱脱钩Weak decoupling
黑龙江Heilongjiang0.124弱脱钩Weak decoupling
上海Shanghai3.469衰退脱钩Recessive decoupling
江苏Jiangsu-0.158强脱钩Strong decoupling
浙江Zhejiang-0.091强脱钩Strong decoupling
安徽Anhui-0.440强脱钩Strong decoupling
福建Fujian-0.069强脱钩Strong decoupling
江西Jiangxi-0.005强脱钩Strong decoupling
山东Shandong-0.195强脱钩Strong decoupling
河南Henan-0.128强脱钩Strong decoupling
湖北Hubei0.028弱脱钩Weak decoupling
湖南Hunan0.037弱脱钩Weak decoupling
广东Guangdong-0.224强脱钩Strong decoupling
广西Guangxi-0.206强脱钩Strong decoupling
海南Hainan-0.170强脱钩Strong decoupling
重庆Chongqing0.035弱脱钩Weak decoupling
四川Sichuan0.067弱脱钩Weak decoupling
贵州Guizhou-0.085强脱钩Strong decoupling
云南Yunnan-0.035强脱钩Strong decoupling
西藏Tibet0.115弱脱钩Weak decoupling
陕西Shaanxi-0.061强脱钩Strong decoupling
甘肃Gansu0.272弱脱钩Weak decoupling
青海Qinghai0.050弱脱钩Weak decoupling
宁夏Ningxia0.292弱脱钩Weak decoupling
新疆Xinjiang0.069弱脱钩Weak decoupling


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表62000—2014年中国畜牧业温室气体排放影响因素分解
Table6.Decomposition of factors influencing greenhouse gas emission of Chinese animal husbandry during 2000—2014
104t
年份
Year
生产效率效应
Production efficiency effect
产业结构效应
Industrial structure effect
经济发展效应
Economic development effect
劳动力效应
Labor effect
综合效应
Comprehensive effect
2000-1 311.951 456.44138.65461.94745.08
2001-3 828.802 392.822 415.8644.581 023.69
2002-5 375.792 973.494 714.96-514.161 798.49
2003-8 663.194 578.538 762.17-1 358.663 318.84
2004-16 835.946 440.9617 672.81-2 238.645 039.19
2005-19 257.236 740.7722 251.03-3 100.386 634.19
2006-19 916.484 825.8423 778.23-1 578.227 109.36
2007-30 037.955 465.2430 680.04-4 598.321 509.00
2008-41 153.667 782.9635 439.46-4 688.56-2 619.80
2009-38 957.004 396.2237 480.85-5 106.47-2 186.40
2010-41 236.191 853.4543 085.91-5 568.51-1 865.34
2011-49 045.903 769.0247 549.58-4 491.40-2 218.70
2012-50 938.702 266.2551 736.14-5 178.12-2 114.43
2013-52 473.56969.9655 572.67-5 913.68-1 844.61
2014-52 955.50-273.7058 373.58-6 369.07-1 224.69


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表72015—2020年中国畜牧业经济增长速度和脱钩弹性预期值
Table7.Expected values of economic growth and decoupling elasticity of Chinese animal husbandry during 2015-2020
最大值Maximum value平均值Mean最小值Minimum value
经济增长速度Economic growth rate0.0450.0420.040
脱钩弹性(t) Decoupling elasticity0.4190.131-0.239


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表82020年中国畜牧业温室气体排放量预测值和缺口
Table8.Predicted value and gap of greenhouse gas emission in Chinese animal husbandry in 2020
104t
温室气体排放量预测值
Predicted value of greenhouse gas emission
温室气体排放量缺口
Greenhouse gas emission gap
VlVmVsVlVmVs
tl40 067.7139 811.1039 575.4510 323.3610 066.759 831.10
tm37 099.3937 024.2036 954.907 355.047 279.847 210.55
ts33 563.0833 689.9433 807.393 818.733 945.594 063.04
??VlVmVs分别代表畜牧业产值增长速度快、中等和慢, tltmts分别代表畜牧业温室气体排放与畜牧业产值增长脱钩弹性高、中等和低。Vl, Vm and Vs respectively represent fast, medium and slow growth rates of output value of animal husbandry; tl, tm and ts respectively represent high, medium and low decoupling elasticity between greenhouse emissions and output value growth of animal husbandry of China.


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