IGSNRR OpenIR
Environmental impact and adaptation study of pig farming relocation in China
Zheng, Guodi1,2; Li, Mengqiu1,2; Shen, Yujun3; Yu, Bao1,2; Chen, Tongbin1,2; Liu, Xiaoyan4
2021-07-01
Source PublicationENVIRONMENTAL IMPACT ASSESSMENT REVIEW
ISSN0195-9255
Volume89Pages:9
Corresponding AuthorZheng, Guodi(zhenggd@igsnrr.ac.cn) ; Liu, Xiaoyan(liuxiyaoyan@caas.cn)
AbstractUnder the guidance of agri-food and water resources policies, some pig farms in China have gradually shifted their production from the Constrained Zone with a dense population and sensitive environment to the Potential Zone with richer feed resources and large environmental capacity. To evaluate whether the relocation is consistent with sustainable consumption and production, the study took the Key Zone with large pig production and supply as comparison object, constructed a life cycle assessment (LCA) model of pig production in the Constrained, Key, and Potential zones. The environmental impacts caused by the production of 1 ton of pork in these zones were 24.67 PE, 20.11 PE, and 20.44 PE, respectively, indicating that raising pigs in the Key and Potential zones is more environment-friendly than that in the Constrained Zone. Therefore, the relocation of pig farms from the Constrained Zone to the Potential Zone was found to be suitable for protecting water resources and environmental quality. Additionally, the Key Zone can maintain and even increase the existing breeding scale without transferring farms to the Potential Zone. LCA results showed that pork production has significant impacts on cancer risk, freshwater ecotoxicity, terrestrial eutrophication, and terrestrial acidification. Additionally, a majority of the environmental impacts result from crop and pig production, which are key processes in improving the pork supply chain. The soybean import ratio and feed conversion ratio are important indicators for reducing environmental impacts. Statement of novelty: To evaluate whether pig farm relocation in China is consistent with sustainable consumption and production, a life cycle assessment (LCA) model of pig production in the Constrained, Key, and Potential zones was conducted. According to the results, relocating farms from the Constrained Zone to the Key and Potential zones was more environment-friendly. The Key Zone can maintain and even increase the existing breeding scale without transferring the farms to the Potential Zone. LCA results showed that the majority of the environmental impacts result from crop and pig production. Thus, further guidance and education can be provided to farmers in the Potential and Key zones. In addition, sensitivity analysis indicated that large-scale farms should reduce the feed conversion ratio to reduce environmental impacts.
KeywordPig farming relocation Life cycle assessment Environmental impact Feed conversion ratio
DOI10.1016/j.eiar.2021.106593
WOS KeywordLIFE-CYCLE ASSESSMENT ; FOOTPRINT ASSESSMENT ; SYSTEM ; IMPROVEMENT ; MANAGEMENT ; NITROGEN ; FLOWS
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFD0501408]
Funding OrganizationNational Key Research and Development Program of China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Studies
WOS IDWOS:000653734100007
PublisherELSEVIER SCIENCE INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/164004
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZheng, Guodi; Liu, Xiaoyan
Affiliation1.Chinese Acad Sci, Ctr Environm Remediat, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
3.Acad Agr Planning & Engn, Inst Rural Energy & Environm Protect, Beijing 100125, Peoples R China
4.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Guodi,Li, Mengqiu,Shen, Yujun,et al. Environmental impact and adaptation study of pig farming relocation in China[J]. ENVIRONMENTAL IMPACT ASSESSMENT REVIEW,2021,89:9.
APA Zheng, Guodi,Li, Mengqiu,Shen, Yujun,Yu, Bao,Chen, Tongbin,&Liu, Xiaoyan.(2021).Environmental impact and adaptation study of pig farming relocation in China.ENVIRONMENTAL IMPACT ASSESSMENT REVIEW,89,9.
MLA Zheng, Guodi,et al."Environmental impact and adaptation study of pig farming relocation in China".ENVIRONMENTAL IMPACT ASSESSMENT REVIEW 89(2021):9.
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