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Environmental Microbiology
Alex Sivan
sediments
Deep water
Not much difference in bacterial population between extreme environments
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Cellular productivity is different in various habitats. The overall production depends on population size and generation time
Total number of prokaryots: 4-6 x 1030
Amount of cellular prokaryotic C: 350-550Pg (1Pg = 1015g) 60 – 100% of C in plants
N: 85 – 130Pg P: 9 – 14Pg
10 folds more N+ P compared to plants