How many microbes ?

[Kjell Magne Fagerbakke]

In article <4lfgbr$rus_001 at ulb.ac.be>,
   afaucon at sga.ulb.ac.be (Fauconnier Alan) wrote:

>How many microbes are there in the world ?  
>Does anybody have any quantitative estimation of the total
>number or biomass as well as the species number of procaryotes,
>protists, viruses and bacteriophages.  
>
I have made a calculation of the bacteria in the sea to be 
around 10exp29, if anyone know how 
many terresial ons there are, just add.

Kjell Magne Fagerbakke