A new study from Svalbard gas hydrate mounds shows that microbes are unexpectedly effective in consuming methane from marine sediments before the gas leaks into the ocean causing undesirable consequences for the environment.
Microbes play an important role in suppressing release of methane from marine sediments and thus prevent consequences such as ocean acidification (if methane is converted to CO2 in the ocean) or global warming (if methane leaves the ocean).
Evolution of axial patterning
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The evolution of axial patterning
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IMAGE: Dr Lishan Ran conducts in situ measurement of lake CO2 emissions and environmental characteristics on the Tibetan Plateau. view more
Credit: Dr Lishan Ran
Inland waters are an important component of the global carbon cycle and function as active reactors, transporting and transforming large quantities of naturally- and anthropogenically-derived carbon. Previous studies suggest that inland waters are major sources for greenhouse gas emissions to the atmosphere, yet these emissions are poorly constrained (Note 1).
As a primary greenhouse gas that drives global climate change, carbon dioxide (CO2) emissions from inland waters play a key role in assessing global carbon cycle. While most efforts over the last decade have focused on refining the emission flux estimates at the regional and global scales, scientists do not fully understand the responsiveness of regional CO2 emissions from inland waters to global change. Recent studies demonstrate that they are