New research from scientists at Charles University, Prague, has identified methane concentration as a major influence on the microbial communities living at the margin of the Greenland Ice Sheet. The study, published in an applied microbiology journal, adds detail to our understanding of how subglacial environments shape life.
The findings indicate that methane levels help determine which microbes thrive in these extreme habitats. Because microbial activity in subglacial systems can affect the release or storage of greenhouse gases, the composition of these communities has implications for the broader carbon cycle.
With only one source available, there are no conflicting findings to compare. The study represents a single contribution to an ongoing effort to understand the interplay between geology, chemistry, and biology beneath ice sheets.