The purple dot represents the mean coral cover estimate for the main Hawaiian Islands in 2013, 2016, and 2019. The gray area represents the standard error estimate around each mean

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The purple dot represents the mean coral cover estimate for the main Hawaiian Islands in 2013, 2016, and 2019. The gray area represents the standard error estimate around each mean

© NOAA Fisheries

The purple dot represents the mean coral cover estimate for the main Hawaiian Islands in 2013, 2016, and 2019. The gray area represents the standard error estimate around each mean photo copyright NOAA Fisheries taken at and featuring the Cruising Yacht class

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