Title

Perennial antarctic lake ice: An oasis for life in a polar desert

Document Type

Article

Publication Date

6-26-1998

Abstract

The permanent ice covers of Antarctic lakes in the Mcmurdo Dry valleys develop liquid water inclusions in response to solar heating of internal aeolian-derived sediments. The ice sediment particles serve as nutrient (inorganic and organic)-enriched microzones for the establishment of a physiologically and ecologically complex microbial consortium capable of contemporaneous photosynthesis, nitrogen fixation, and decomposition. The consortium is capable of physically and chemically establishing and modifying a relatively nutrient-and organic matter-enriched microbial 'oasis' embedded in the lake ice cover.

Publication Source (Journal or Book title)

Science

First Page

2095

Last Page

2098

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