National Coral Reef Monitoring Program: Calcification Rates of Crustose Coralline Algae Derived from Calcification Accretion Units (CAUs) Deployed across American Samoa from 2010 to 2018

Description

The calcification rate data described here are derived from Calcification Accretion Units (CAUs) that were deployed and retrieved at long-term climate monitoring sites during NOAA Pacific Islands Fisheries Science Center (PIFSC), Ecosystem Sciences Division (ESD) led National Coral Reef Monitoring Program (NCRMP) missions in American Samoa in 2015 and 2018, as well as pre-NCRMP missions in 2010 and 2012. CAUs are PVC settlement plates that facilitate the recruitment and colonization of crustose coralline algae, hard corals, and other reef calcifiers. Laboratory experiments show that CCA and coral calcification rates are strongly correlated with seawater chemistry, and shifts in carbonate chemistry conditions due to ocean acidification could lead to reduced calcification and accretion rates and ecological phase shifts in coral reef communities. Coral reef calcium carbonate accretion rates can be estimated by measuring the change in weight of the CAUs between deployment and retrieval. Monitoring net accretion over successive deployments allows for the detection of changes in reef calcification rates over time. Five units were deployed on the seafloor at each CAU site for 3 years. The number of processed CAUs for a site may be less than the number deployed, either because the units were lost or damaged at sea and therefore not recovered, or in rare instances, due to errors during laboratory processing. This study provides information about spatial and temporal patterns of reef carbonate calcification and accretion rates and serves as a basis for detecting changes associated with changing seawater chemistry due to ocean acidification. These data can also be used in comparative analyses across natural gradients, thereby assisting efforts to determine whether key reef-building taxa can acclimatize to changing oceanographic environments. These data will have immediate, direct impacts on predictions of reef resilience in a higher carbon dioxide (CO2) world and on the design of reef management strategies.

Resources

Name Format Description Link
0 Quality control report generated for recovered CAU data from sites across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). https://accession.nodc.noaa.gov/0159149
0 Online Resource https://www.ncbi.nlm.nih.gov/pubmed/26641885
0 Calcification Accretion Unit (CAU) Laboratory Analysis Standard Operating Procedure (2015). https://accession.nodc.noaa.gov/0157633
33 NOAA Data Management Plan for this record on InPort. https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/36070.pdf
0 Pacific Island Fisheries Science Center homepage https://www.pifsc.noaa.gov
0 Calcification Accretion Unit (CAU) Assembly, Deployment, and Recovery Standard Operating Procedure (2015). https://accession.nodc.noaa.gov/0157633
0 Online Resource https://www.coris.noaa.gov/monitoring/
0 CAU unit recoveries collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). These CAU units were deployed during pre-NCRMP mission in 2012 (HA1201). Data include calcification rates per CAU unit. https://accession.nodc.noaa.gov/0159149
0 Quality control report generated for recovered CAU data from sites across American Samoa (Ofu, Olosega, Tutuila, Ta'u, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). https://accession.nodc.noaa.gov/0233019
0 CAU unit recoveries collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). These CAU units were deployed during ASRAMP 2015 (HA1501). Data include calcification rates per CAU unit. https://accession.nodc.noaa.gov/0233019
0 CAU unit recoveries collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during pre-NCRMP mission in 2012 (HA1201). These CAU units were deployed during pre-NCRMP missions in 2010 (HA1001). Data include calcification rates per CAU unit. https://accession.nodc.noaa.gov/0137093
0 Quality control report generated for recovered CAU data from sites across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during pre-NCRMP mission in 2012 (HA1201). https://accession.nodc.noaa.gov/0137093
0 View the complete metadata record on InPort for more information about this dataset. https://www.fisheries.noaa.gov/inport/item/36070
0 Summary report of baseline surveys and installations conducted in 2015 in the National Marine Sanctuary of American Samoa. https://accession.nodc.noaa.gov/0157633
0 Online Resource https://www.fisheries.noaa.gov/region/pacific-islands#science
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 NOAA Pacific Islands Fisheries Science Center, Ecosystem Sciences Division official website, Pacific Reef Assessment and Monitoring Program (Pacific RAMP) page. https://www.pifsc.noaa.gov/cred/pacific_ramp.php
0 CAU unit recoveries collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). These CAU units were deployed during pre-NCRMP mission in 2012 (HA1201). Data include calcification rates per CAU unit. https://accession.nodc.noaa.gov/0159149
0 Quality control report generated for recovered CAU data from sites across American Samoa (Ofu, Olosega, Tutuila, Ta'u, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). https://accession.nodc.noaa.gov/0233019
0 CAU unit recoveries collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). These CAU units were deployed during ASRAMP 2015 (HA1501). Data include calcification rates per CAU unit. https://accession.nodc.noaa.gov/0233019
0 Quality control report generated for recovered CAU data from sites across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). https://accession.nodc.noaa.gov/0159149
0 CAU unit recoveries collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during pre-NCRMP mission in 2012 (HA1201). These CAU units were deployed during pre-NCRMP missions in 2010 (HA1001). Data include calcification rates per CAU unit. https://accession.nodc.noaa.gov/0137093
0 Quality control report generated for recovered CAU data from sites across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during pre-NCRMP mission in 2012 (HA1201). https://accession.nodc.noaa.gov/0137093
0 View the complete metadata record on InPort for more information about this dataset. https://www.fisheries.noaa.gov/inport/item/36070
0 Pacific Island Fisheries Science Center homepage https://www.pifsc.noaa.gov
0 Calcification Accretion Unit (CAU) Assembly, Deployment, and Recovery Standard Operating Procedure (2015). https://accession.nodc.noaa.gov/0157633
0 Calcification Accretion Unit (CAU) Laboratory Analysis Standard Operating Procedure (2015). https://accession.nodc.noaa.gov/0157633
0 NOAA Pacific Islands Fisheries Science Center, Ecosystem Sciences Division official website, Pacific Reef Assessment and Monitoring Program (Pacific RAMP) page. https://www.pifsc.noaa.gov/cred/pacific_ramp.php
0 Summary report of baseline surveys and installations conducted in 2015 in the National Marine Sanctuary of American Samoa. https://accession.nodc.noaa.gov/0157633
0 Online Resource https://www.coris.noaa.gov/monitoring/
0 Online Resource https://www.fisheries.noaa.gov/region/pacific-islands#science
0 Online Resource https://www.ncbi.nlm.nih.gov/pubmed/26641885
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
33 NOAA Data Management Plan for this record on InPort. https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/36070.pdf
0 CAU unit recoveries collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). These CAU units were deployed during pre-NCRMP mission in 2012 (HA1201). Data include calcification rates per CAU unit. https://accession.nodc.noaa.gov/0159149
0 Quality control report generated for recovered CAU data from sites across American Samoa (Ofu, Olosega, Tutuila, Ta'u, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). https://accession.nodc.noaa.gov/0233019
0 CAU unit recoveries collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2018 (HA1801). These CAU units were deployed during ASRAMP 2015 (HA1501). Data include calcification rates per CAU unit. https://accession.nodc.noaa.gov/0233019
0 Quality control report generated for recovered CAU data from sites across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during ASRAMP 2015 (HA1501). https://accession.nodc.noaa.gov/0159149
0 CAU unit recoveries collected across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during pre-NCRMP mission in 2012 (HA1201). These CAU units were deployed during pre-NCRMP missions in 2010 (HA1001). Data include calcification rates per CAU unit. https://accession.nodc.noaa.gov/0137093
0 Quality control report generated for recovered CAU data from sites across American Samoa (Ofu, Olosega, Ta'u, Tutuila, Rose Atoll, Swains) by the PIFSC Ecosystem Sciences Division during pre-NCRMP mission in 2012 (HA1201). https://accession.nodc.noaa.gov/0137093
0 View the complete metadata record on InPort for more information about this dataset. https://www.fisheries.noaa.gov/inport/item/36070
0 Pacific Island Fisheries Science Center homepage https://www.pifsc.noaa.gov
0 Calcification Accretion Unit (CAU) Assembly, Deployment, and Recovery Standard Operating Procedure (2015). https://accession.nodc.noaa.gov/0157633
0 Calcification Accretion Unit (CAU) Laboratory Analysis Standard Operating Procedure (2015). https://accession.nodc.noaa.gov/0157633
0 NOAA Pacific Islands Fisheries Science Center, Ecosystem Sciences Division official website, Pacific Reef Assessment and Monitoring Program (Pacific RAMP) page. https://www.pifsc.noaa.gov/cred/pacific_ramp.php
0 Summary report of baseline surveys and installations conducted in 2015 in the National Marine Sanctuary of American Samoa. https://accession.nodc.noaa.gov/0157633
0 Online Resource https://www.coris.noaa.gov/monitoring/
0 Online Resource https://www.fisheries.noaa.gov/region/pacific-islands#science
0 Online Resource https://www.ncbi.nlm.nih.gov/pubmed/26641885
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
33 NOAA Data Management Plan for this record on InPort. https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/36070.pdf

Tags

  • calcification
  • calcification plate
  • crep
  • ofu island (14s169w0013)
  • doc/noaa/nmfs/pifsc
  • united states of america
  • american samoa (14s170w0000)
  • reef monitoring and assessment
  • aquatic habitat
  • corals
  • coral reef ecosystem division
  • ocean chemistry
  • pifsc
  • biosphere
  • calcification accretion unit
  • national coral reef monitoring program
  • settlement plate
  • tutuila island (14s170w0016)
  • algal growth
  • oceans
  • ocean acidification
  • rose atoll marine national monument
  • algae
  • coral reef conservation program
  • pacific reef and assessment monitoring program
  • american samoa
  • calcareous macroalgae
  • noaa
  • numeric data sets
  • algal cover
  • nmfs
  • swains atoll (11s171w0001)
  • samoa
  • us doc
  • ocean acidification program
  • in situ
  • ta'u island (14s169w0012)
  • pacific islands fisheries science center
  • manu'a group
  • olosega island (14s169w0014)
  • u.s. department of commerce
  • earth science
  • calcification rate
  • ncrmp
  • national marine fisheries service
  • triennial
  • vegetation
  • 409
  • fleshy macroalgae
  • olosega island
  • ramp
  • crustose coralline algae
  • carbonate chemistry
  • cred
  • encrusting macroalgae
  • amsm
  • 743
  • pacific reef assessment and monitoring program: monitoring coral reef ecosystems of the us pacific i
  • ofu (14s169w0002)
  • reef habitat
  • reef assessment and monitoring program
  • ofu island
  • ocean basin
  • c204 pacific reef assessment and monitoring program (pacific ramp): biennial monitoring for the us p
  • ecosystem sciences division
  • esd
  • coastal processes
  • hi'ialakai
  • 1221
  • american samoa reef assessment and monitoring program
  • laboratory analyses
  • office of oceanic and atmospheric research
  • olosega (14s169w0016)
  • zoology
  • coral reefs
  • rose atoll (14s168w0001)
  • ocean acidification - quantification of calcification and accretion rates of corals and crustose cor
  • pacific ocean
  • asramp
  • country/territory
  • calcification accretion unit (cau)
  • south pacific ocean
  • 587
  • coral reef studies
  • coral reef ecosystem program

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