Environmental Engineering Reference
In-Depth Information
oceans of the early Earth, but also to understand the factors that determine the
distribution of microorganisms, genes and genomes in the modern world.
Acknowledgements
We thank Janet Siefert and James Kasting for helpful suggestions, and Sandra
Roll and Bob Jellison for Mono Lake data. Bethany Jenkins, Cynthia Short and
Grieg Steward contributed to the Mono Lake study. This work was supported by
grants from NASA Exobiology and the NSF (MCB-9977892, OCE-9977460,
OCE-9981437).
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