“…The North Central Asia Isotopic Database (NCAID) consists of published stable isotope data for archaeological human, animal, and, plant samples from across North Central Asia ( Fig. 1 ) [1] , [2] , [3] , [4] , [5] , [6] , [7] , [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] , [20] . Data was retrieved from 35 of publications creating a dataset with 3,143 individual entries, consisting of 2,494 of stable carbon and nitrogen isotopic measurements.…”