Microenvironment微环境 ©Niche for microorganism微生物的小生境 (生态位) Prime niche:a habitat defined by the type and quantity of different resources and the physicochemical conditions in which a microorganism is most successful初始生态 位：自然界中微生物最适宜的小环境 Think small-microenvironment 3 mm to E.coli just as the same of 2 km to a man 7 Microbiology,Shanghai Jiao Tong University7 Microbiology, Shanghai Jiao Tong University Microenvironment 微环境 Niche for microorganism微生物的小生境 （生态位） • Prime niche: a habitat defined by the type and quantity of different resources and the physicochemical conditions in which a microorganism is most successful初始生态 位:自然界中微生物最适宜的小环境 Think small-microenvironment • 3 mm to E. coli just as the same of 2 km to a man