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Glacial water : a dynamic microbial medium
Varliero, Gilda; Lebre, Pedro H.; Frey, Beat; Fountain, Andrew G.; Anesio, Alexandre M.; Cowan, Don A.
Microbial communities and nutrient dynamics in glaciers and ice sheets continuously
change as the hydrological conditions within and on the ice change. Glaciers and ice sheets can be
considered bioreactors as microbiomes transform nutrients that enter these icy systems and alter
the meltwater chemistry. Global warming is increasing meltwater discharge, affecting nutrient and
cell export, and altering proglacial systems. In this review, we integrate the current understanding
of glacial hydrology, microbial activity, and nutrient and carbon dynamics to highlight their interdependence
and variability on daily and seasonal time scales, as well as their impact on proglacial
environments.
Description:
DATA AVAILABILITY STATEMENT : No new data were created or analyzed in this study. Data sharing is
not applicable to this article.