Compound climate risks threaten aquatic food system benefits,Nature Food

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Compound climate risks threaten aquatic food system benefits
Nature Food ( IF 23.2 ) Pub Date : 2021-09-15 , DOI: 10.1038/s43016-021-00368-9
Michelle Tigchelaar ₁ , William W L Cheung ₂ , Essam Yassin Mohammed ₃ , Michael J Phillips ₃ , Hanna J Payne ₁ , Elizabeth R Selig ₁ , Colette C C Wabnitz _{1,

2} , Muhammed A Oyinlola ₂ , Thomas L Frölicher _{4,

5} , Jessica A Gephart ₆ , Christopher D Golden ₇ , Edward H Allison ₃ , Abigail Bennett ₈ , Ling Cao ₉ , Jessica Fanzo _{10,

11} , Benjamin S Halpern _{12,

13} , Vicky W Y Lam ₂ , Fiorenza Micheli _{1,

14} , Rosamond L Naylor ₁₅ , U Rashid Sumaila _{2,

16} , Alessandro Tagliabue ₁₇ , Max Troell _{18,

19}

Affiliation

Center for Ocean Solutions, Stanford University, Stanford, CA, USA.
Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, British Columbia, Canada.
WorldFish, Bayan Lepas, Malaysia.
Climate and Environmental Physics, University of Bern, Bern, Switzerland.
Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland.
Department of Environmental Science, American University, Washington DC, USA.
Department of Nutrition, Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA.
Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI, USA.
School of Oceanography, Shanghai Jiao Tong University, Shanghai, China.
Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD, USA.
Nitze School of Advanced International Studies, Johns Hopkins University, Washington DC, USA.
National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara, CA, USA.
Bren School of Environmental Science and Management, University of California, Santa Barbara, CA, USA.
Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA.
Department of Earth System Science, Stanford University, Stanford, CA, USA.
School of Public Policy and Global Affairs, University of British Columbia, Vancouver, British Columbia, Canada.
School of Environmental Sciences, University of Liverpool, Liverpool, UK.
Beijer Institute of Ecological Economics, The Royal Swedish Academy of Sciences, Stockholm, Sweden.
Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden.

Aquatic foods from marine and freshwater systems are critical to the nutrition, health, livelihoods, economies and cultures of billions of people worldwide, but climate-related hazards may compromise their ability to provide these benefits. Here, we estimate national-level aquatic food system climate risk using an integrative food systems approach that connects climate hazards impacting marine and freshwater capture fisheries and aquaculture to their contributions to sustainable food system outcomes. We show that without mitigation, climate hazards pose high risks to nutritional, social, economic and environmental outcomes worldwide—especially for wild-capture fisheries in Africa, South and Southeast Asia, and Small Island Developing States. For countries projected to experience compound climate risks, reducing societal vulnerabilities can lower climate risk by margins similar to meeting Paris Agreement mitigation targets. System-level interventions addressing dimensions such as governance, gender equity and poverty are needed to enhance aquatic and terrestrial food system resilience and provide investments with large co-benefits towards meeting the Sustainable Development Goals.

更新日期：2021-09-15

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