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Benthic respirometer system in test tank

MBARI researchers use benthic respirometers to measure how much oxygen is being consumed by organisms in deep-sea sediment. This provides an indication of how much food (organic matter) these organisms are consuming. Before sending a benthic respirometer system (BRS) thousands of meters below the ocean surface, MBARI engineers dunk it in a 10-meter-deep tank to make sure that it is properly weighted and nothing leaks. This photograph, taken from a window looking into the tank, shows the BRS just below the water's surface. At the top of the image is a upside-down reflection of the BRS and the tank windows. Image: Todd Walsh © 2010 MBARI

Note: This image may not be copied, reprinted, or used without explicit permission from MBARI.

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