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    • Benthic Surveys in FagaÊ»alu, American Samoa: comprehensive assessment of coral demography (adult and juvenile corals) from belt transect surveys from 2020-01-15 to 2020-01-24 (NCEI Accession 0240418)

    Metadata Updated: April 1, 2025

    The data described here result from benthic coral demographic surveys within belt transects of specified length and width for two life stages (juveniles and adults) in Fagaʻalu, American Samoa in 2020. The data provide information on adult coral colony counts, morphology, size, partial mortality (old and recent dead), presence and causation of disease and other compromised health conditions, including bleaching. Juvenile colony surveys include morphology and size. Taxonomic identification of adult colonies is to the species level and genus level for juveniles.

    In 2020, the survey implemented a one-stage stratified random sampling (StRS) design to assess the Fagaʻalu coral reef community. The survey domain encompassed the majority of the mapped area of reef and hard bottom habitats in the 0–30 m depth range. The stratification scheme included cardinal position (i.e., north and south), reef zone (i.e., backreef and forereef) and depth (i.e., shallow: >0–6 m and mid-depth: >6–18 m). Sampling effort allocation was determined based on strata area and sites randomly located within strata. The StRS design effectively reduces estimate variance through stratification using environmental covariates and by sampling more sites rather than more transects per site. Therefore, site-to-site comparisons should proceed with caution.

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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    Dates

    Metadata Date 2025-02-18T14:44:45Z
    Metadata Created Date December 1, 2023
    Metadata Updated Date April 1, 2025
    Reference Date(s) September 2, 2021 (publication)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from NOAA/NESDIS/ncei/accessions

    Other Data Resources

    Graphic Preview

    Preview graphic

    Additional Metadata

    Resource Type Dataset
    Metadata Date 2025-02-18T14:44:45Z
    Metadata Created Date December 1, 2023
    Metadata Updated Date April 1, 2025
    Reference Date(s) September 2, 2021 (publication)
    Responsible Party (Point of Contact)
    Contact Email
    Guid gov.noaa.nodc:0240418
    Access Constraints Cite as: NOAA Pacific Islands Fisheries Science Center, Ecosystem Sciences Division (2021). Benthic Surveys in Fagaʻalu, American Samoa: comprehensive assessment of coral demography (adult and juvenile corals) from belt transect surveys from 2020-01-15 to 2020-01-24 (NCEI Accession 0240418). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0240418. Accessed [date]., Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
    Bbox East Long -170.67261
    Bbox North Lat -14.28678
    Bbox South Lat -14.29379
    Bbox West Long -170.68113
    Coupled Resource
    Frequency Of Update asNeeded
    Graphic Preview Description Preview graphic
    Graphic Preview File https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0240418
    Graphic Preview Type PNG
    Harvest Object Id 9562b52d-a410-4ea8-9e34-04fd9ace3ca6
    Harvest Source Id c084a438-6f6b-470d-93e0-16aeddb9f513
    Harvest Source Title NOAA/NESDIS/ncei/accessions
    Licence accessLevel: Public
    Lineage
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-170.68113, -14.29379], [-170.67261, -14.29379], [-170.67261, -14.28678], [-170.68113, -14.28678], [-170.68113, -14.29379]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 2020-01-15
    Temporal Extent End 2020-01-24

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