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(A) Cross section of “Evolution Canyon” showing the savannoid "African" slope (AS) = south-facing slope (SFS), and the opposite shady, forested "European" slope (ES) = north-facing slope (NFS). (B) Air view of ECI with the forested NFS = ES and the savanoid SFS = AS, with the 7 experimental stations where the T. dicoccoides was sampled, indicated by the numbers 1–7 (from ref. 7, private picture of Prof. E. Nevo).
