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. 2019 Jun 18;36(9):2029–2039. doi: 10.1093/molbev/msz141

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© The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4. — Correlation between recombination rate and environmental variables. Recombination rate estimated in 55 subpopulations of wild barley is plotted against environmental variables. The black line represents a smoothed curve over the data and the gray area represents the 95% confidence interval of the smoothed curve. (A) Relationship between recombination rate and annual mean temperature under Mid Holocene conditions. (B) Reverse U-shaped relationship between recombination rate and isothermality under Mid Holocene conditions. (C) Reverse U-shaped relationship between recombination rate and annual mean solar radiation under present conditions. (D) Correlation between recombination rate and annual precipitation under Mid Holocene conditions.