More than 60 percent of coral reefs in U.S. waters are found in the extended Hawaiian Island chain.
Sources
- New Mapping Techniques Help Assess the Health of Hawaii's Coral Reefs (pubs.usgs.gov)
- https://19january2021snapshot.epa.gov/coral-reefs/americas-coral-reefs_.html (19january2021snapshot.epa.gov)
- https://clintonwhitehouse5.archives.gov/CEQ/coralreefs.html (clintonwhitehouse5.archives.gov)
- https://www.researchgate.net/publication/265275274_3_STATUS_OF_CORAL_REEFS_IN_THE_HAWAIIAN_ARCHIPELAGO (researchgate.net)
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