Description

The coral demographic data described here result from belt transect surveys conducted by the Pacific Islands Fisheries Science Center (PIFSC), Ecosystem Sciences Division (ESD)---formerly the Coral Reef Ecosystem Division---from 2002 to 2007 at coral reef sites in the Hawaiian and Mariana Archipelagos, American Samoa, and the Pacific Remote Island Areas as part of NOAA's Pacific Reef Assessment and Monitoring Program (Pacific RAMP) with funding from the NOAA Coral Reef Conservation Program (CRCP). Surveys were conducted at fixed sites at depths ranging between 10 m and 15 m. Sites were surveyed using belt transects to collect coral colony metrics. At each site, the surveyor listed and identified to the genus or species level, all coral colonies occurring within 0.5 sq. meters of each side of two, 25-m transect lines; and recorded the visually estimated size class to which the maximum diameter of each colony belonged (0-5 cm; >5-10 cm; >10-20 cm; >20-40 cm; >40-80 cm; >80-160 cm; or >160 cm). In geographic regions such as the Northwestern Hawaiian Islands where coral richness and abundance are reduced relative to lower latitude regions with higher species richness, the protocol was amended to include all corals occurring within 1 m of each side of the transect lines. These coral demographic data provide information on coral abundance (density, proportion occurrence, and total colony abundance), size distribution, and taxonomic richness.

Resources

Format	Description	Link
0	View the complete metadata record on InPort for more information about this dataset.	https://www.fisheries.noaa.gov/inport/item/10512
0	Pacific Island Fisheries Science Center homepage	https://www.pifsc.noaa.gov
0	Global Change Master Directory (GCMD). 2024. GCMD Keywords, Version 19. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords	https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0	Coral colony observations from belt transect surveys at sites across the U.S. Pacific Reefs conducted by the PIFSC Ecosystem Sciences Division from 2002 to 2007.	https://accession.nodc.noaa.gov/0189729
0	Pacific Islands Fisheries Science Center website	https://www.fisheries.noaa.gov/pacific-islands/ecosystems/surveying-vast-ocean
33	NOAA Data Management Plan for this record on InPort.	https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/10512.pdf
0	View the complete metadata record on InPort for more information about this dataset.	https://www.fisheries.noaa.gov/inport/item/10512
0	Pacific Island Fisheries Science Center homepage	https://www.pifsc.noaa.gov
0	Pacific Islands Fisheries Science Center website	https://www.fisheries.noaa.gov/pacific-islands/ecosystems/surveying-vast-ocean
33	NOAA Data Management Plan for this record on InPort.	https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/10512.pdf
0	Coral colony observations from belt transect surveys at sites across the U.S. Pacific Reefs conducted by the PIFSC Ecosystem Sciences Division from 2002 to 2007.	https://accession.nodc.noaa.gov/0189729
0	Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords	https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords

Pacific Reef Assessment and Monitoring Program: Belt Transect Surveys of Corals at U.S. Pacific Reefs from 2002 to 2007 (uneven size-class bins)

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