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National Coral Reef Monitoring Program: Benthic complexity and urchin abundance at climate stations of the Mariana Archipelago

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 08:15 AM | Dataset Last Updated: March 07, 2018 at 12:00 AM
The datasets within this collection contain benthic complexity and urchin abundance data gathered as part of NOAA's ongoing National Coral Reef Monitoring Program (NCRMP). These data were gathered around the Mariana Archipelago as a part of NOAA Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) led missions. During these missions, the variables of benthic complexity and urchin abundance were tracked by swimmer/diver visual surveys at NCRMP climate stations. Three to four of these sites were chosen per island in a stratified random fashion so as to be roughly equally spaced, along the 15m contour, on hard bottom, and at least 1 km away from a river mouth or embayment. Once the sites were selected, multiple features of the coral reef environment were assessed, including: in-situ temperature (STR), seawater carbonate, net carbonate accretion (CAU), bioerosion (BMU), and cryptobiota diversity (ARMS). These data, however, are archived separately.

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  • CRCP Benthic Complexity Urchin Abundance Pacific

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  • NCEI Dataset Landing Page

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  • Granule Search

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  • https://www.ncei.noaa.gov/archive/accession/0157633

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  • https://www.fisheries.noaa.gov/inport/item/25251

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  • https://doi.org/10.1007/s00338-012-0984-y

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  • GCMD Keyword Forum Page

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  • NCEI Contact Information

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0159141 0167409 biological data HABITAT - BENTHIC MACROINVERTEBRATE CENSUS swimmer/diver benthic biological

Complete Metadata
@type dcat:Dataset
accessLevel non-public
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describedByType application/octet-steam
description The datasets within this collection contain benthic complexity and urchin abundance data gathered as part of NOAA's ongoing National Coral Reef Monitoring Program (NCRMP). These data were gathered around the Mariana Archipelago as a part of NOAA Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) led missions. During these missions, the variables of benthic complexity and urchin abundance were tracked by swimmer/diver visual surveys at NCRMP climate stations. Three to four of these sites were chosen per island in a stratified random fashion so as to be roughly equally spaced, along the 15m contour, on hard bottom, and at least 1 km away from a river mouth or embayment. Once the sites were selected, multiple features of the coral reef environment were assessed, including: in-situ temperature (STR), seawater carbonate, net carbonate accretion (CAU), bioerosion (BMU), and cryptobiota diversity (ARMS). These data, however, are archived separately.
distribution 
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    "description": "Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. 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",
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/NCRMP-Urchin-Marianas.xml
issued 2017-01-17T00:00:00.000+00:00
keyword 
[
  "0159141",
  "0167409",
  "biological data",
  "HABITAT - BENTHIC",
  "MACROINVERTEBRATE CENSUS",
  "swimmer/diver",
  "benthic",
  "biological",
  "in situ",
  "survey",
  "survey - biological",
  "survey - swimmer/diver",
  "visual estimate",
  "NOAA Ship Hi'ialakai",
  "Coral Reef Ecosystem Program",
  "Coral Reef Ecosystem Program",
  "Coral Reef Conservation Program (CRCP)",
  "CORAL REEF STUDIES",
  "National Coral Reef Monitoring Program (NCRMP)",
  "Pacific Reef and Assessment Monitoring Program (Pacific RAMP)",
  "US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP)",
  "North Pacific Ocean",
  "Philippine Sea",
  "oceanography",
  "CRED",
  "CREP",
  "Coral Reef Ecosystem Division",
  "Coral Reef Ecosystem Program",
  "PIFSC",
  "Pacific Islands Fisheries Science Center",
  "DOC/NOAA/NMFS > National Marine Fisheries Service, NOAA, U.S. Department of Commerce",
  "743",
  "National Coral Reef Monitoring Program (NCRMP)",
  "Numeric Data Sets > Benthic",
  "EARTH SCIENCE > Biosphere > Aquatic Habitat > Reef Habitat",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral Reef Ecology",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral Reef Ecology > Rugosity",
  "EARTH SCIENCE > Oceans > Marine Biology > Macroinvertebrates",
  "EARTH SCIENCE > Oceans > Marine Biology > Marine Invertebrates",
  "EARTH SCIENCE > Oceans > Marine Biology > Marine Invertebrates > Macroinvertebrates",
  "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION",
  "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES",
  "EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > BENTHIC",
  "EARTH SCIENCE > OCEANS > COASTAL PROCESSES > CORAL REEFS",
  "Ships",
  "Hi'ialakai (call sign: WTEY, ICES code: 33HL, 2004-)",
  "COUNTRY/TERRITORY > Northern Mariana Islands > Asuncion Island > Asuncion Island (19N145E0001)",
  "COUNTRY/TERRITORY > Northern Mariana Islands > Maug > Maug Island (20N145E0001)",
  "COUNTRY/TERRITORY > Northern Mariana Islands > Northern Mariana Islands > Northern Mariana Islands ( CNMI ) (18N146E0000)",
  "COUNTRY/TERRITORY > Northern Mariana Islands > Pagan > Pagan Island (18N145E0001)",
  "COUNTRY/TERRITORY > Northern Mariana Islands > Rota > Rota Island ( Luta ) (14N145E0007)",
  "COUNTRY/TERRITORY > Northern Mariana Islands > Saipan > Saipan Island (15N145E0002)",
  "COUNTRY/TERRITORY > Northern Mariana Islands > Tinian > Tinian Island (14N145E0005)",
  "COUNTRY/TERRITORY > United States of America > Guam > Guam (13N144E0000)",
  "OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Asuncion Island > Asuncion Island (19N145E0001)",
  "OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Guam > Guam (13N144E0000)",
  "OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Mariana Archipelago > Northern Mariana Islands ( CNMI ) (18N146E0000)",
  "OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Maug Island > Maug Island (20N145E0001)",
  "OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Pagan Island > Pagan Island (18N145E0001)",
  "OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Rota Island > Rota Island ( Luta ) (14N145E0007)",
  "OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Saipan Island > Saipan Island (15N145E0002)",
  "OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Tinian Island Reefs > Tinian Island (14N145E0005)",
  "OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN",
  "CNMI",
  "Commonwealth of the Northern Mariana Islands",
  "Mariana Archipelago",
  "Marianas",
  "Triennial",
  "0ED8RB",
  "NUG7E5"
]
landingPage https://www.ncei.noaa.gov/contact
language 
[]
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2018-03-07T00:00:00.000+00:00
publisher 
{
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
}
references 
[
  "https://www.ncei.noaa.gov/archive/accession/0157633",
  "https://www.fisheries.noaa.gov/inport/item/25251",
  "https://doi.org/10.1007/s00338-012-0984-y"
]
rights otherRestrictions
spatial 145.816,13.2421,144.453,20.0357
temporal 2014-03-25T00:00:00+00:00/2014-03-25T00:00:00+00:00
theme 
[
  "geospatial"
]
title National Coral Reef Monitoring Program: Benthic complexity and urchin abundance at climate stations of the Mariana Archipelago

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