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"Battaglia, Daniela (AGAG)" <[log in to unmask]>
Tue, 30 Oct 2018 16:01:41 +0000
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Gridded Livestock of the World, Version 3

Livestock-based agri-food systems impact heavily in the domains of food and nutrition security; livelihoods and economic growth; animal health and welfare; and climate and natural resources (FAO 2018<http://www.fao.org/3/i8384en/I8384EN.pdf>). Livestock make positive contributions in each of these areas, particularly with regards providing nutritious food and micronutrients to mothers and children in poor countries, enhancing livelihoods and building resilience against climate and economic shocks. But there are also risks associated with a burgeoning global livestock sector. Livestock feed production competes for land with crops grown for direct human consumption. As systems intensify smaller producers may become less competitive and be squeezed out of markets. Intensification raises animal welfare concerns and can increase the risks of zoonotic and food-borne diseases and result in greater reliance on antimicrobials. An area of particular, and immediate concern is the increasing pressure that livestock production exerts on the environment through land use change, feed production, overgrazing, biodiversity losses, waste management and greenhouse gas emissions. With the recent warnings from the Intergovernmental Panel on Climate Change (IPCC<http://www.ipcc.ch/>) (Global Warming of 1.50C<http://www.ipcc.ch/report/sr15>) calling for urgent action against global warming, the livestock sector must play its part in reducing global emissions, as well as adapting to changing climatic conditions.

As the production of animal-source foods responds to growing demand, particularly in low- and middle-income countries, we need to steer the global sector along pathways that are sustainable in each of these four domains. If we are to continue reaping the many benefits that livestock offer humanity, whilst mitigating these important risks, we need the right institutions in place, policies that are based firmly on analysis and evidence, and information systems that can be used to measure baselines and monitor progress towards the 2030 Agenda for sustainable development.

Today, published in Nature Scientific Data<https://doi.org/10.1038/sdata.2018.227>, the United Nations Food and Agriculture Organization (FAO<http://www.fao.org/>), in collaboration with the Université Libre de Bruxelles (ULB<http://www.ulb.ac.be/>) and other partners, releases a new, 10 km global dataset of livestock distributions: the Gridded Livestock of the World, version 3.0 (GLW3). These data are crucial to underpin the analyses that will be needed in support of sustainable livestock sector development, and the monitoring and evaluation progress. The first version of GLW was published by FAO in 2007, and a second version in 2014. These and the current version reflect a continuous process of updating the subnational livestock data on which GLW is based, and improving the predictor variables, modelling approaches and metadata associated with these digital maps.  GLW3 has a reference year of 2010 and includes global distributions of cattle, buffaloes, sheep, goats, horses, pigs, chickens and ducks at a spatial resolution of 5 minutes of arc.

The digital maps in geotiff format are freely available for download via FAO’s Livestock Systems<http://www.fao.org/livestock-systems> website, which also provides data on production systems and links to resources related to sustainable livestock sector development.

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