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Food production shocks across land and sea

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Cottrell, RS, Nash, KL ORCID: 0000-0003-0976-3197, Halpern, BS, Remenyi, TA ORCID: 0000-0002-4145-9323, Corney, SP ORCID: 0000-0002-8293-0863, Fleming, A ORCID: 0000-0001-9895-1928, Fulton, EA, Hornborg, S, Johne, A, Watson, RA ORCID: 0000-0001-7201-8865 and Blanchard, JL ORCID: 0000-0003-0532-4824 2019 , 'Food production shocks across land and sea' , Nature Sustainability, vol. 2, no. 2 , pp. 130-137 , doi: 10.1038/s41893-018-0210-1.

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Abstract

Sudden losses to food production (that is, shocks) and their consequences across land and sea pose cumulative threats to global sustainability. We conducted an integrated assessment of global production data from crop, livestock, aquaculture and fisheries sectors over 53 years to understand how shocks occurring in one food sector can create diverse and linked challenges among others. We show that some regions are shock hotspots, exposed frequently to shocks across multiple sectors. Critically, shock frequency has increased through time on land and sea at a global scale. Geopolitical and extreme-weather events were the main shock drivers identified, but with considerable differences across sectors. We illustrate how social and ecological drivers, influenced by the dynamics of the food system, can spill over multiple food sectors and create synchronous challenges or trade-offs among terrestrial and aquatic systems. In a more shock-prone and interconnected world, bold food policy and social protection mechanisms that help people anticipate, cope with and recover from losses will be central to sustainability.

Item Type: Article
Authors/Creators:Cottrell, RS and Nash, KL and Halpern, BS and Remenyi, TA and Corney, SP and Fleming, A and Fulton, EA and Hornborg, S and Johne, A and Watson, RA and Blanchard, JL
Keywords: food shock, food security, global fisheries, aquaculture, agriculture
Journal or Publication Title: Nature Sustainability
Publisher: Nature Publishing Group
ISSN: 2398-9629
DOI / ID Number: 10.1038/s41893-018-0210-1
Copyright Information:

Copyright 2019 The Authors, under exclusive licence to Springer Nature Limited

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