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Two clustering maps. For each site, the average of all individuals was sued for clustering. (A) Clustering using morphological data. (B) Clustering using kernel nutritional compositions. BX, Binxian, HLJ; DJC, Ning’an, HLJ; HL, Hulin, HLJ; JST, Yichun, HLJ; SC, Baishan, JL; TL, Tieli, HLJ; WC, Wuchang, HLJ;YBL, Yabuli, HLJ. HLJ, Heilongjiang.
