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Cyanobacterial diversity in benthic mats of the McMurdo Dry Valley lakes, Antarctica

Authors
  • L, Zhang
  • A D, Jungblut
  • I, Hawes
  • Dale Andersen
  • D Y, Sumner
  • T J, Mackey
Type
Published Article
Journal
Polar Biology
Publisher
Springer-Verlag
Publication Date
Jul 31, 2015
Volume
38
Issue
8
Pages
1097–1110
Source
SETI Institute
License
Unknown

Abstract

Perennially ice-covered, meromictic lakes in the McMurdo Dry Valleys, Antarctica, are useful models to study the relationship between cyanobacterial and environmental variables. They have rich benthic cyanobacterial mat accumulations and stable stratification of physical and chemical conditions. Here, we evaluated cyanobacteria from benthic mats from multiple depths in three geographically separated ice-covered lakes, Lakes Vanda, Hoare and Joyce, using 16S rRNA gene clone libraries. We identified 19 ribotypes, mostly ...

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