Table 1. Compositions of the nine different media used for the isolation of bacteria from Aiding Lake samples.

Medium	Composition	Reference
A	Inorganic salts-starch agar (ISP 4)	Shirling and Gottlieb 1966
B	Casein hydrolysate acid-starch agar: starch 5.0 g, casein hydrolysate acid 0.5 g, KNO3 0.5 g, Aspartic acid 0.1g, CaCO3, 0.3 g, K2HPO4 0.5 g, MgCl2 0.2 g, FeSO4·7H2O 10 mg, agar 18 g	This study
C	Microcrystalline cellulose-proline agar: microcrystalline cellulose 2.0 g, proline 0.5 g, arginine 0.1 g, KCl 10 g, (NH4)2SO4 1.0 g, K2HPO4 0.2 g, CaCO3 0.02 g, MgSO4 · 7H2O 2 g, FeSO4 ·7H2O 10 mg, MnCl2·4H2O 1mg, agar 18 g	This study
D	Glycerin-asparagine agar: glycerin 3g, asparagine 1g, C3H3NaO3 0.5g, MgSO4· 7H2O 2 g, FeSO4·7H2O 10 mg, ZnSO4·7H2O 1 mg, VB1 0.1 mg, VB6 0.05 mg, biotin 0.2mg, agar 18 g	This study
E	Yeast extract-casamino acids agar: yeast extract 3g, Casamino acids 2g, Sodium glutamate 1g, Trisodium citrate 1g, MgSO4·7H2O 5g, CaCl2·2H2O 1g, KCl 3g, FeCl2·4H2O 0.2mg, MnCl2·4H2O 0.2mg, agar, 18 g	This study
F	Stachyose tetrahydrate-Alanine agar: stachyose tetrahydrate 5g, alanine 2g, KNO3 0.2g, CaCO3 0.02g, MgSO4.7H2O 0.05g, KCl 20g, FeSO4·7H2O 10 mg, MgCl2 20g, agar 18 g	This study
G	Microcrystalline cellulose-sorbitol agar: microcrystalline cellulose 10g, sorbitol 2g, Beta-Cyclodextrin 1g, MgSO4·7H2O 0.1g, CaCO3 0.5g, FeSO4 0.01g, KCl 20g, MgCl2 10g, agar 18 g	This study
H	Yeast extract-fish peptone agar: yeast extract 1g, fish peptone 0.5g, NH4Cl 0.5g, MgSO4.7H2O 20g, MgCl2·6H2O 15g, KCl 5g, sodium pyruvate 1g, K2HPO4 0.3g, CaCl2·2H2O 0.2g, agar 18 g	This study
I	Yeast extract-glycerin agar: yeast extract 10g, Glycerin 0.5g, peptone 0.5g, (NH4)NO3 0.1g, MgCl2 5g, Na2SO4 3g, yeast KCl 1g, NaHCO3 2g, KBr 0.05g, SrCl2 0.01g, Na2SiO3 0.001g, agar 18 g	This study