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    • NOAA Shallow-Water Benthic Habitats: Northwestern Hawaiian Islands: Maro Reef

    Metadata Updated: October 14, 2022

    Benthic habitat maps for the nearshore, shallow (< 30 m) coastal waters of Maro Reef in the Northwestern Hawaiian Islands (NWHI) and the Papahanaumokuakea Marine National Monument. NOAA's National Centers for Coastal Ocean Science (NCCOS) produced these data to support coral reef research and management. Habitat regions were digitally identified using visual interpretation of orthorectified satellite imagery with a minimum mapping unit (MMU) of approximately 100 square meters (1/40 acre).

    A slightly different benthic habitat classification scheme was used for the NWHI compared to the Main Hawaiian Islands (MHI) and other regions across the Pacific (e.g., American Samoa, Guam, and CNMI). While many classes are similar, they are not categorized as biological cover types, geomorphological structure types, and geographic zones. Instead, a hierarchical scheme was used to flexibly denote substrate category (e.g., unconsolidated and hardbottom), structure (e.g., linear reef or pavement), and cover (e.g., coral, coralline algae, or macroalgae).

    A total of 45 detailed benthic habitat classes were identified within the NWHI. For simplification and to more easily distinguish cover types, these are presented in a set of 7 aggregated benthic habitat classes including 5 hardbottom substrate classes (live coral, coralline algae, macroalgae, uncolonized, and unknown biological cover) and 2 unconsolidated substrate classes (macroalgae and uncolonized). Query an aggregated polygon to get the detailed benthic habitat classification at the clicked location.

    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.

    Downloads & Resources

    Dates

    Metadata Date March 30, 2021
    Metadata Created Date November 12, 2020
    Metadata Updated Date October 14, 2022
    Reference Date(s) November 22, 2017 (creation), November 22, 2017 (issued), November 22, 2017 (revision)
    Frequency Of Update

    Metadata Source

    Harvested from ioos

    Other Data Resources

    Graphic Preview

    Sample image.

    Additional Metadata

    Resource Type Dataset
    Metadata Date March 30, 2021
    Metadata Created Date November 12, 2020
    Metadata Updated Date October 14, 2022
    Reference Date(s) November 22, 2017 (creation), November 22, 2017 (issued), November 22, 2017 (revision)
    Responsible Party NOAA National Centers for Coastal Ocean Science (NCCOS) (Point of Contact)
    Contact Email
    Guid hi_noaa_maro_benthic_habitats
    Access Constraints
    Bbox East Long -170.418232182131
    Bbox North Lat 25.5480940959638
    Bbox South Lat 25.2894838960547
    Bbox West Long -170.74173413492
    Coupled Resource [{"title": [], "href": ["#DataIdentification"], "uuid": []}, {"title": [], "href": ["#DataIdentification"], "uuid": []}, {"title": [], "href": ["#DataIdentification"], "uuid": []}]
    Frequency Of Update
    Graphic Preview Description Sample image.
    Graphic Preview File http://pacioos.org/metadata/browse/hi_noaa_maro_benthic_habitats.png
    Harvest Object Id 01d37e16-100e-4060-92c6-2a3033a9300f
    Harvest Source Id 54e15a6e-6dde-4c9c-a8f0-345cc0dfccfb
    Harvest Source Title ioos
    Licence
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-170.74173413492, 25.2894838960547], [-170.418232182131, 25.2894838960547], [-170.418232182131, 25.5480940959638], [-170.74173413492, 25.5480940959638], [-170.74173413492, 25.2894838960547]]]}
    Progress
    Spatial Data Service Type Open Geospatial Consortium Web Feature Service (WFS)
    Spatial Reference System
    Spatial Harvester True

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