Additional file 1: Table S1. Goat sample information and climate data. Table S2. The top 1% candidate SNPs (red color) under selection identified by the Fst method. Table S3. The top 1% candidate SNPs (red color) under selection identified by XPEHH method. Table S4. The top 1% candidate SNPs (red color) under selection identified by the LFMM method. Table S5. Top 1000 SNPs associated with environmental variables identified by SAM method. Table S6. 74 candidate genes identified by four method (Fst, XPEHH, LFMM, and SAM). Table S7. 148 go and kegg terms identified by 74 candidate genes.