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  1. Hindcasting global population densities reveals forces enabling the origin of agricultureKavanagh, Patrick H. - Nature Human Behavior, 2018 - 3 Hypotheses

    The researchers, using principal component analysis, generalized additive models across 12 agriculture origin locations, and a model predicting hunter-gatherer population density, evaluate hindcasted population density trends to suggest predictors of the development of agriculture. Using domestication as an indicator of agriculture, they test 3 competing hypotheses regarding agriculture development. Their results are consistent with the "surplus" hypothesis, indicating that agriculture arose as population densities increased along with environmental capabilities.

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