Meet researchers who have hiked, rafted and met local wildlife (a marmot!) as they’ve sampled the microbial communities living in the mountaintop lakes of the Sierra Nevada mountains. These lakes are isolated, but varied. They’re a great way to see how climate change affects freshwater ecosystems, and how those ecosystems work. 

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• Publication: Perez-Coronel, E., Michael Beman, J. Multiple sources of aerobic methane production in aquatic ecosystems include bacterial photosynthesis. Nat Commun 13, 6454 (2022). doi: 10.1038/s41467-022-34105-y
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Sound Effects Credits: Marmot sound courtesy of slunali, freesound.org