rtemia sp.(Yuncheng,Shanxi,Zhangbei,Hebei,Aletai,Xinjiang),andArtemia parthenogenetica(Tanggu, Tianjin, Aibi Lake, Xinjiang). From the body length measurement,we derived the growth equations of Artemia at dif-ferent conditions.It was known that A.franciscana could tolerate high salinity and low tem-perature,also,we found Artemia from Zhangbei had this character.The reproduction charac-teristics among the five strains from our country are more close,and are different from thoseof A.franciscana. This conclusi...