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August 2022    Download the Entire Issue (PDF) Vol. 48, No. 8   RSS Feed for Undercurrent Issues
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It's a Less Than Silent World

from the August, 2022 issue of Undercurrent   Subscribe Now

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It's very noisy down there. Diver who have paused and held their breath, listening for a moment to the sounds of a vibrant coral reef, will know the undersea world is anything but silent, as Jacques Cousteau would have had us believe.

New research by a senior oceanographer at the Naval Undersea Warfare Center shows that degraded coral communities do not sound as crackling and vibrant as healthy ones because the reduced biodiversity means less activity. So, one can, in effect, judge a reef's health by its decibel level....


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