United Nations System-Wide
Earthwatch
 
 

Scallops before dredgingBefore
After

Before and after photos of a healthy cobble-shell bottom habitat for scallops, to simulate one pass of a scallop dredge.
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Before photo: Peter Auster, National Undersea Research Center. After photo: Peter Auster, NURC. (AOC website)

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UN System-wide Earthwatch Coordination, Geneva