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来源类型Article
规范类型其他
DOI10.1073/pnas.1308149110
Biomass use, production, feed efficiencies, and greenhouse gas emissions from global livestock systems.
Herrero M; Havlik P; Valin H; Notenbaert A; Rufino MC; Thornton PK; Bluemmel M; Weiss F
发表日期2013
出处Proceedings of the National Academy of Sciences 110 (52): 20888-20893
出版年2013
语种英语
摘要We present a unique, biologically consistent, spatially disaggregated global livestock dataset containing information on biomass use, production, feed efficiency, excretion, and greenhouse gas emissions for 28 regions, 8 livestock production systems, 4 animal species (cattle, small ruminants, pigs, and poultry), and 3 livestock products (milk, meat, and eggs). The dataset contains over 50 new global maps containing high-resolution information for understanding the multiple roles (biophysical, economic, social) that livestock can play in different parts of the world. The dataset highlights: (i) feed efficiency as a key driver of productivity, resource use, and greenhouse gas emission intensities, with vast differences between production systems and animal products; (ii) the importance of grasslands as a global resource, supplying almost 50% of biomass for animals while continuing to be at the epicentre of land conversion processes; and (iii) the importance of mixed crop-livestock systems, producing the greater part of animal production (over 60%) in both the developed and the developing world. These data provide critical information for developing targeted, sustainable solutions for the livestock sector and its widely ranging contribution to the global food system.
主题Ecosystems Services and Management (ESM)
关键词Global change Sustainability GHG emissions Land use
URLhttp://pure.iiasa.ac.at/id/eprint/10309/
来源智库International Institute for Applied Systems Analysis (Austria)
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条目标识符http://119.78.100.153/handle/2XGU8XDN/129594
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Herrero M,Havlik P,Valin H,et al. Biomass use, production, feed efficiencies, and greenhouse gas emissions from global livestock systems.. 2013.
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