Table 2. Enrichment culture media used for the analysis 



of water and rock samples collected on Pisces V dive #29 



Target Electron Electron Carbon Incubation 

 Organism Donor Acceptor Source Atmosphere 



Reference 



Chemoautotrophs 



co 2 



co- 



co 



20% 2 



80% N 2 



20% 2 



80% N 2 



2% 2 

 98% N 2 



Watson 

 (1965) 



Watson and 

 Waterbury 

 (1971) 



Tuovinen 

 and Kelley 

 (1973) 



S dithionite 2 

 oxidizer 



Chemoheterotrophs 



C0 2 



2% 2 



98% N 2 



Taylor et 

 al. (1971) 



protozoa bacteria 



2 bacteria 20% 2 



80% N 2 



Cynar et 

 al. (1985) 



199 



