Endolithic Microorganisms in the Antarctic Cold Desert

Details Endolithic Microorganisms in the Antarctic Cold Desert Endolithic Microorganisms in the Antarctic Cold Desert

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sci...215.1045i&link_type=abstract

Science, Volume 215, Issue 4536, pp. 1045-1053

Mathematics

Logic

72

Scientific paper

In the frigid desert of the Antarctic dry valleys there are no visible life forms on the surface of the soil or rocks. Yet in certain rock types a narrow subsurface zone has a favorable microclimate and is colonized by microorganisms. Dominant are lichens of unusual organization. They survive not by physiological adaptation to lower temperatures, but by changing their mode of growth, being able to grow between the crystals of porous rocks. Their activity results in mobilization of iron compounds and in rock weathering with a characteristic pattern of exfoliation. This simple ecosystem lacks both higher consumers and predators.

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