The Bio-Mat sampler allows the scientists to gather just the top layer of the mat, where it is believed all the active microbes live.
Biomat Sampler
Image courtesy of Submarine Ring of Fire 2014 - Ironman, NSF/NOAA, Jason, Copyright WHOI. Download larger version (jpg, 882 KB).

The Bio-Mat sampler allows the scientists to gather just the top layer of the mat, where it is believed all the active microbes live.

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