Water sampling (IMAGE)

Woods Hole Oceanographic Institution

Water sampling

Caption

First author of the study, Cynthia Becker, collecting seawater with a Niskin bottle on a St. John USVI reef. These water samples contain millions of microorganisms which the study showed can be used to diagnose reef heath and disturbance. 

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(Amy Apprill, ©Woods Hole Oceanographic Institution)

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