Combining Small-Vertebrate, Marine and Stable-Isotope Data to Reconstruct Past Environments.

The δ 13 C values of AK specimens show a decreasing trend from the Upper Solutrean to the Azilian (~23–12 ka cal BP), ranging from δ 13 C −20.3 to −21.0‰ ( supplementary Table 3 and supplementary Fig. 1a ).

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