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Habitats on Ice

MCM scientists showed that the rapid growth of algae in small glacial pools can cause dramatic increases in pH and oxygen levels, altering their environment. These changes show how microbes can create their own habitat even in ice.

Foreman, C. M., B. Sattler, J. A. Mikucki, D. L. Porazinska, and J. C. Priscu (2007), Metabolic activity and diversity of cryoconites in the Taylor Valley, Antarctica, J. Geophys. Res., 112, G04S32, doi:10.1029/2006JG000358.
Fountain, A. G., T. H. Nylen, M. Tranter, and E. Bagshaw, (2008), Temporal variations in physical and chemical features of cryoconite holes on Canada Glacier, McMurdo Dry Valleys, Antarctica, J. Geophys. Res., 113, G01S92, doi:10.1029/2007JG000430.
Tranter, M., A. G. Fountain, C. H. Fritsen, W. B. Lyons, J. C. Priscu, P. J. Statham, and K. A. Welch (2004), Extreme hydrochemical conditions in natural microcosms entombed within Antarctic ice, Hydrol. Processes, 18, 379-387.
Side view of cryoconite holes that have melted out. Canada Glacier, McMurdo Dry Valleys, Antarctica.
Andrew G. Fountain

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