Life in Antarctic Deserts and other Cold Dry Environments: Astrobiological Analogs

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Summary

The lessons learned from studies of the dry valleys of Antarctica applied to the search for life on other planets.

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List of contributors	p. ix
Introduction	p. 1
Geologic analogies between the surface of Mars and the McMurdo Dry Valleys: microclimate-related geomorphic features and evidence for climate change	p. 9
The legacy of aqueous environments on soils of the McMurdo Dry Valleys: contexts for future exploration of martian soils	p. 78
The antarctic cryptoendolithic microbial ecosystem	p. 110
Antarctic McMurdo Dry Valley stream ecosystems as analog to fluvial systems on Mars	p. 139
Saline lakes and ponds in the McMurdo Dry Valleys: ecological analogs to martian paleolake environments	p. 160
The biogeochemistry and hydrology of McMurdo Dry Valley glaciers: is there life on martian ice now?	p. 195
Factors promoting microbial diversity in the McMurdo Dry Valleys, Antarctica	p. 221
Other analogs to Mars: high-altitude, subsurface, desert, and polar environments	p. 258
Index	p. 306
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