LI Xiang-yang,YANG Zi-lin

Table S1 454-sequencing parameter statistics of clean reads

0.0 3 T 3_S e p-W 1 4 1 8 8 9 3 3 1.6 6 7(2 7 0.4 3 8～4 3 4.3 4 9)3.2 0 9(3.0 7 6～3.3 4 1)0.1 4 8(0.1 3～0.1 6 6)0.8 9 8 0.0 3 T 3_S e p-W 1 5 1 9 2 0 2 5 3(1 8 8.7 1 6～3 8 0.1 6 9)2.8 3 4(2.7 0 9～2.9 5 8)0.1 8 5(0.1 6 4～0.2 0 5)0.9 3 7 0.0 3 T 3_S e p-W 1 6 1 6 9 0 3 3 6.0 6 7(2 4 1.8 4 3～5 1 8.3 2 9)3.6 0 2(3.5 0 3～3.7)0.0 6 4(0.0 5 6～0.0 7 2)0.9 2 5 0.0 3 T 3_O c t-W 1 7 1 5 5 0 3 4 8.1 5 4(2 8 9.2 6～4 4 5.9 0 7)3.7 3 6(3.6 1 6～3.8 5 6)0.0 8 4(0.0 7 2～0.0 9 7)0.8 9 5 0.0 3 T 3_O c t-W 1 8 1 7 2 4 1 4 5.2 8 6(1 1 9.4 4 4～1 9 9.6 1)2.3 4 3(2.2 1 9～2.4 6 6)0.2 5 6(0.2 3 3～0.2 8)0.9 5 5 0.0 3 T 3_O c t-W 1 9 3 2 6 3 3 4 7.5 3 8(2 7 6.5 4 9～4 7 2.3 9 9)4.1 8 7(4.0 9 6～4.2 7 7)0.0 3 6(0.0 3～0.0 4 2)0.9 1 0.0 3 Y 1_J u n-W 3 1 4 5 8 1 8 8.3 9 1(1 5 2.0 6 2～2 5 9.3 9 6)2.7 6 4(2.6 4 7～2.8 8 1)0.1 7 6(0.1 5 5～0.1 9 6)0.9 4 3 0.0 3 Y 1_J u l-W 5 1 4 2 8 3 8 4.5 7 5(3 1 7.7 7 7～4 9 3.5 5 6)4.0 9 8(3.9 9 4～4.2 0 2)0.0 4 6(0.0 3 9～0.0 5 3)0.8 8 6 0.0 3 Y 1_J u l-W 7 1 2 2 2 3 9 1.3 8 7(3 1 2.9 0 8～5 2 3.4 6 5)4.0 6 4(3.9 6 5～4.1 6 3)0.0 4 1(0.0 3 6～0.0 4 6)0.8 9 3 0.0 3 Y 1_J u l-W 8 1 2 3 5 2 8 8.1 5 4(2 4 6.7 7 2～3 5 9.6 9 9)4.1 6 2(4.0 7～4.2 5 4)0.0 3 3(0.0 2 9～0.0 3 7)0.9 1 5 0.0 3 Y 1_A u g-W 1 0 1 1 6 5 2 1 6.1 3 6(1 7 9.1 6 4～2 8 8.9 2 6)3.7 2 5(3.6 2 5～3.8 2 4)0.0 6 3(0.0 5 4～0.0 7 2)0.9 4 4 0.0 3 Y 1_A u g-W 1 1 1 1 7 1 2 7 7.9 0 3(2 2 6.9 8 8～3 6 7.5 1 7)3.4 1 3(3.2 9 8～3.5 2 9)0.0 9 7(0.0 8 5～0.1 1)0.9 1 7 0.0 3 Y 1_A u g-W 1 2 1 4 6 8 3 2 1.2 9 2(2 5 3.7 4 5～4 4 2.6 7 8)3.8 4 6(3.7 4 5～3.9 4 7)0.0 5 3(0.0 4 6～0.0 6)0.9 1 7 0.0 3 Y 1_S e p-W 1 3 2 2 5 9 4 4 8.2 1 4(3 0 0.6 1 6～7 2 8.1 5 2)2.5 0 3(2.3 7 1～2.6 3 5)0.2 4 1(0.2 1 8～0.2 6 4)0.9 0 9 0.0 3 Y 1_S e p-W 1 4 1 7 4 4 2 6 3.6 3 6(2 1 7.9 6 5～3 4 4.0 9 3)3.0 3 8(2.9 0 6～3.1 6 9)0.1 6 7(0.1 4 8～0.1 8 6)0.9 1 9 0.0 3 Y 1_S e p-W 1 5 1 3 8 1 3 9 1(2 7 1.2 1 1～6 2 1.8 4 2)2.7 6 1(2.6 2 6～2.8 9 5)0.2 2 1(0.1 9 7～0.2 4 5)0.9 1 9 0.0 3 Y 1_S e p-W 1 6 1 2 3 0 4 5 2.6 6 7(3 4 8.5 6 1～6 2 8.2 8 2)3.6 6 8(3.5 4 7～3.7 8 9)0.0 9(0.0 7 8～0.1 0 3)0.8 8 6 0.0 3 Y 1_O c t-W 1 7 1 3 6 1 3 7 7.5(2 8 1.5 1 1～5 4 7.4 9 1)2.6 1 1(2.4 6 9～2.7 5 3)0.2 5 3(0.2 2 9～0.2 7 8)0.9 0 4 0.0 3 Y 1_O c t-W 1 8 1 3 5 3 2 3 1.0 4 8(1 8 3.4 7 7～3 2 2.5 8)3.5 3 1(3.4 3 4～3.6 2 9)0.0 6 7(0.0 5 8～0.0 7 5)0.9 3 7 0.0 3 Y 1_O c t-W 1 9 2 6 5 1 3 8 4.7 7 8(3 1 5.1 6 9～5 0 0.0 2 5)4.3 4 9(4.2 6 1～4.4 3 6)0.0 2 7(0.0 2 3～0.0 3 1)0.8 9 0.0 3 Y 1_O c t-W 2 1 2 1 1 6 4 6 3.2 6 1(3 4 9.2 3 1～6 6 0.5 2)4.1 9 3(4.1 0 7～4.2 7 9)0.0 2 7(0.0 2 4～0.0 3)0.8 9 1 0.0 3 Y 2_J u n-W 3 1 5 6 0 2 7 1.2 8 1(2 2 8.8 3 8～3 4 7.1 8 5)3.9 7(3.8 7 3～4.0 6 8)0.0 4 4(0.0 3 8～0.0 5)0.9 2 3 0.0 3 Y 2_J u l-W 5 1 5 0 4 2 3 2.8 8 5(1 8 9.8 9 9～3 1 2.8 9 9)3.4(3.2 9 3～3.5 0 7)0.0 8 4(0.0 7 4～0.0 9 4)0.9 3 2 0.0 3 Y 2_J u l-W 7 1 1 2 5 4 9 6.8 8 9(3 8 4.7 0 9～6 8 5.0 1)4.2 8 4(4.1 8 7～4.3 8 2)0.0 3 6(0.0 3～0.0 4 1)0.8 8 1 0.0 3 Y 2_J u l-W 8 1 5 3 0 1 4 2(1 1 9.9 6 6～1 8 9.6 3 2)2.9 6 2(2.8 5 9～3.0 6 5)0.1 1 2(0.1 0 2～0.1 2 3)0.9 5 9 0.0 3 Y 2_A u g-W 1 0 1 1 9 8 4 2 3.8 8 6(3 4 1.6 9 3～5 5 8.5 7 4)4.0 9 6(3.9 9 3～4.2)0.0 4 3(0.0 3 7～0.0 4 8)0.8 8 2 0.0 3 Y 2_A u g-W 1 1 1 5 0 8 2 7 1.6 1 9(2 1 1.6 7 5～3 8 3.8 8 6)3.4 0 6(3.2 9 9～3.5 1 4)0.0 8 4(0.0 7 4～0.0 9 3)0.9 2 8 0.0 3 Y 2_A u g-W 1 2 1 5 9 8 3 6 0.2 1 9(2 8 8.0 9 7～4 8 1.8 3 4)3.6 9 1(3.5 8 2～3.8)0.0 6 5(0.0 5 7～0.0 7 3)0.8 9 6 0.0 3 Y 2_S e p-W 1 3 1 6 9 9 2 5 9.0 4(2 0 9.5 7 9～3 5 0.2 6 4)3.6 5 3(3.5 5 1～3.7 5 5)0.0 6 6(0.0 5 7～0.0 7 5)0.9 2 8 0.0 3 Y 2_S e p-W 1 4 2 3 5 7 2 8 8.4 4(2 2 6.5 4 5～3 9 9.7 3 9)2.9 1 5(2.7 8 5～3.0 4 6)0.1 8 1(0.1 6 1～0.2 0 2)0.9 1 9 0.0 3 Y 2_S e p-W 1 5 1 5 1 1 2 5 4(2 1 3.8 2 6～3 2 5.9 2 7)3.7 6 9(3.6 6 4～3.8 7 5)0.0 6 8(0.0 5 7～0.0 7 8)0.9 2 4 0.0 3 Y 2_S e p-W 1 6 1 4 4 9 3 0 8.6(2 5 8.4 2～3 9 5.0 5 3)4.1 0 3(4.0 0 6～4.1 9 9)0.0 3 9(0.0 3 4～0.0 4 4)0.9 1 1 0.0 3 Y 2_O c t-W 1 8 1 4 1 5 2 8 1.7 1 4(2 1 8.8 4～3 9 8.8 5 9)3.5 9 7(3.4 9 5～3.6 9 9)0.0 6 8(0.0 5 9～0.0 7 8)0.9 2 6 0.0 3 Y 2_O c t-W 1 9 2 6 5 2 4 2 6.2 5(3 2 2.9 0 1～6 0 4.8 7)3.7 9 7(3.6 9 5～3.9)0.0 5 3(0.0 4 7～0.0 5 9)0.8 9 4 0.0 3 Y 2_O c t-W 2 1 3 1 7 8 4 4 5.1 2(3 3 9.8 9 4～6 2 5.2 1 5)3.9 7(3.8 7 1～4.0 7)0.0 4 3(0.0 3 8～0.0 4 9)0.8 9 0.0 3 Y 3_J u n-W 3 1 3 1 0 2 3 8.8 4 4(1 9 7.3 2 7～3 1 3.3)3.1 1 3(2.9 9 1～3.2 3 6)0.1 4 9(0.1 3～0.1 6 8)0.9 2 4 0.0 3 Y 3_J u l-W 5 1 5 4 9 3 4 6.0 5(2 6 1.3 2 3～5 0 0.9 3 5)3.7 9(3.6 9 3～3.8 8 6)0.0 4 9(0.0 4 4～0.0 5 5)0.9 1 6 0.0 3 Y 3_J u l-W 7 1 1 9 2 3 2 0.6 3 6(2 6 6.1 2 1～4 1 4.7 1 2)4.1 2 6(4.0 3～4.2 2 2)0.0 3 8(0.0 3 3～0.0 4 3)0.9 1 0.0 3 Y 3_J u l-W 8 1 5 2 8 3 1 4.4 3 8(2 3 1.0 2 9～4 7 5.1 2 2)3.3 7 5(3.2 6 5～3.4 8 5)0.0 9 2(0.0 8 1～0.1 0 3)0.9 2 7 0.0 3 Y 3_A u g-W 1 0 1 7 1 8 5 8 6.5 6 3(4 0 6.0 7 7～9 1 3.7 3 2)3.9 2 5(3.8 2 6～4.0 2 4)0.0 4 5(0.0 4～0.0 5 1)0.8 8 9 0.0 3 Y 3_A u g-W 1 1 1 5 3 1 3 2 8.1 2 2(2 7 6.7 3～4 1 3.9 3 5)4.0 5 1(3.9 5～4.1 5 2)0.0 4 2(0.0 3 7～0.0 4 6)0.9 0.0 3 Y 3_A u g-W 1 2 1 5 2 9 4 0 8.2(3 2 4.1 1 6～5 4 9.7 1)4.1 0 7(4.0 0 8～4.2 0 5)0.0 3 9(0.0 3 4～0.0 4 5)0.8 9 1 0.0 3 Y 3_S e p-W 1 3 1 8 1 7 4 7 3.7 5(3 5 6.2 6 9～6 7 4.7 4 2)3.9 4 7(3.8 4 5～4.0 4 9)0.0 5(0.0 4 3～0.0 5 7)0.8 8 7 0.0 3 Y 3_S e p-W 1 4 1 9 5 9 2 7 5.7 3 1(2 1 8.9 4 2～3 7 7.9 7 9)2.6 0 6(2.4 6 8～2.7 4 5)0.2 4(0.2 1 7～0.2 6 3)0.9 2 0.0 3 Y 3_S e p-W 1 5 1 4 7 6 2 4 4(1 9 3.3 5 4～3 3 7.1 4 7)2.8 8(2.7 5 8～3.0 0 1)0.1 5 9(0.1 4 2～0.1 7 7)0.9 2 7 0.0 3 Y 3_S e p-W 1 6 1 3 5 7 3 8 7.9 3 5(3 1 3.2 0 3～5 1 4.2 8 3)3.8 4 5(3.7 2 1～3.9 6 8)0.0 9 1(0.0 7 7～0.1 0 5)0.8 9 6 0.0 3 Y 3_O c t-W 1 8 1 3 4 2 2 6 0.2 7 6(2 1 6.1 6 2～3 4 0.3 1 8)3.8 0 2(3.6 9 9～3.9 0 4)0.0 5 9(0.0 5 1～0.0 6 7)0.9 2 6 0.0 3 Y 3_O c t-W 1 9 3 4 8 9 4 4 8(3 0 6.1 8 8～7 1 7.7 5)3.7 1(3.6 1 9～3.8 0 2)0.0 4 9(0.0 4 3～0.0 5 5)0.9 1 1

Table S2 Genera with an average relative abundance＞0.1%

Table S3 Summary of environment variables

Fig.S1 Trophic level index for six sites in the two lakes