Microbial Mat Communities along an Oxygen Gradient in a Perennially Ice-Covered Antarctic Lake.

• Main Authors: Jungblut, Anne D, Hawes, Ian, Mackey, Tyler J, Krusor, Megan, Doran, Peter T, Sumner, Dawn Y, Eisen, Jonathan A, Hillman, Colin, Goroncy, Alexander K
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: eScholarship, University of California 2016
• Subjects: Bacteria; Oxygen; Biodiversity; Ice Cover; Phylogeny; Molecular Sequence Data; Antarctic Regions; Lakes; Microbiology; Antarctic; Fryxell; Lake Fryxell; McMurdo Dry Valleys; Antarc*; Antarctica
• Online Access: https://escholarship.org/uc/item/6mg1v20v

Lake Fryxell is a perennially ice-covered lake in the McMurdo Dry Valleys, Antarctica, with a sharp oxycline in a water column that is density stabilized by a gradient in salt concentration. Dissolved oxygen falls from 20 mg liter(-1) to undetectable over one vertical meter from 8.9- to 9.9-m depth....