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首页> 外文期刊>Regional Environmental Change >Climate change mitigation and productivity gains in livestock supply chains: insights from regional case studies
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Climate change mitigation and productivity gains in livestock supply chains: insights from regional case studies

机译：畜牧供应链中的减缓气候变化和生产力提高：区域案例研究的见解

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摘要

Livestock can contribute to climate change mitigation by reducing their greenhouse gas emissions and by increasing soil carbon sequestration. Packages of mitigation techniques can bring large environmental benefits as illustrated in six case studies modeled in the Global Livestock Environmental Assessment Model developed by FAO. With feasible technical interventions in livestock production systems, the mitigation potential of each of the selected species, systems and regions ranges from 14 to 41 %. While comparably high mitigation potentials were estimated for ruminant and pig production systems in Asia, Latin America and Africa, large emission reductions can also be attained in dairy systems with already high levels of productivity, in OECD countries. Mitigation interventions can lead to a concomitant reduction in emissions and increase in production, contributing to food security. This is particularly the case for improved feeding practices and better health and herd management practices. Livestock systems also have a significant potential for sequestrating carbon in pasturelands and rangelands through improved management, as illustrated in two of the six case studies in this paper.
机译：牲畜可以通过减少温室气体排放和增加土壤固碳来促进缓解气候变化。一揽子减缓技术可以带来巨大的环境效益，如粮农组织开发的全球畜牧环境评估模型中的六个案例研究所示。在牲畜生产系统中采取可行的技术干预措施，每个选定物种，系统和地区的缓解潜力为14％至41％。据估计，亚洲，拉丁美洲和非洲的反刍动物和养猪生产系统具有较高的缓解潜力，而在经合组织国家中，已经具有较高生产率的乳制品系统也可以实现大幅度的减排。缓解干预措施可以导致排放量的减少和产量的增加，从而为粮食安全做出贡献。改善喂养习惯，改善健康和牧群管理习惯尤其如此。如本文六个案例研究中的两个案例所示，牲畜系统还具有通过改善管理而在牧场和牧场中封存碳的巨大潜力。

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