Database research record2014·Global
Increasing homogeneity in global food supplies and the implications for food security
Khoury C.K., Bjorkman A.D., Dempewolf H., Ramirez-Villegas J., Guarino L., Struik P.C.
Proceedings of the National Academy of Sciences (PNAS)
Urban Farm DB summary
Shows national diets grew about 36% more similar over five decades, increasingly reliant on a few major crops, with implications for food security, nutrition, and the value of conserving crop diversity.
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