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Benthic photoquadrat imagery and benthic cover data collected in Nu'uuli Pala Lagoon and Backreef in American Samoa from 2024-11-11 to 2024-11-21 (NCEI Accession 0308219)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 05:11 AM | Dataset Last Updated: September 26, 2025 at 12:00 AM
This data package includes benthic imagery, raw benthic cover, mean benthic cover, and mean macroalgae cover data of Nu'uuli Pala Lagoon and Backreef in American Samoa in 2024, produced from the benthic imagery analysis performed by the Ecosystem Sciences Division (ESD) of the Pacific Island Fisheries Science Center (PIFSC) and funded by the Coral Reef Conservation Program (CRCP). Benthic imagery was collected at 20 randomly-selected sites during coral demographic surveys by the NOAA ESD during the 2024 fly-in mission to American Samoa (MP2502). After processing and sorting site photos, imagery was qualitatively analyzed using the web-based CoralNet image annotation tool. CoralNet projects random points on each image, and the benthic elements falling directly underneath each point are identified by trained scientists. Data from benthic surveys of Nu'uuli Pala Lagoon and Backreef establishes a comprehensive biological baseline for land-based sources of pollution impacts on benthic composition and coral demography. These efforts feed into the higher-level CRCP objectives by establishing an in-situ tracking system to assess the effects of management and mitigation strategies and activities in the target watersheds to reduce land-based sources of pollution impacts on coral reefs. This data was funded by CRCP Project #31454 titled "Develop monitoring capacity of American Samoan jurisdictional partners and observing LBSP impacts on coral reefs".

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0308219 BENTHIC COMMUNITIES BENTHIC SPECIES BENTHIC SPECIES - TAXA IDENTITIES biological data CORAL CORAL - SPECIES IDENTIFICATION HABITAT - BENTHIC

Complete Metadata
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describedByType application/octet-steam
description This data package includes benthic imagery, raw benthic cover, mean benthic cover, and mean macroalgae cover data of Nu'uuli Pala Lagoon and Backreef in American Samoa in 2024, produced from the benthic imagery analysis performed by the Ecosystem Sciences Division (ESD) of the Pacific Island Fisheries Science Center (PIFSC) and funded by the Coral Reef Conservation Program (CRCP). Benthic imagery was collected at 20 randomly-selected sites during coral demographic surveys by the NOAA ESD during the 2024 fly-in mission to American Samoa (MP2502). After processing and sorting site photos, imagery was qualitatively analyzed using the web-based CoralNet image annotation tool. CoralNet projects random points on each image, and the benthic elements falling directly underneath each point are identified by trained scientists. Data from benthic surveys of Nu'uuli Pala Lagoon and Backreef establishes a comprehensive biological baseline for land-based sources of pollution impacts on benthic composition and coral demography. These efforts feed into the higher-level CRCP objectives by establishing an in-situ tracking system to assess the effects of management and mitigation strategies and activities in the target watersheds to reduce land-based sources of pollution impacts on coral reefs. This data was funded by CRCP Project #31454 titled "Develop monitoring capacity of American Samoan jurisdictional partners and observing LBSP impacts on coral reefs".
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0308219.xml
issued 2025-09-22T00:00:00.000+00:00
keyword 
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  "BENTHIC COMMUNITIES",
  "BENTHIC SPECIES",
  "BENTHIC SPECIES - TAXA IDENTITIES",
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  "CORAL - SPECIES IDENTIFICATION",
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  "REEF AND/OR BOTTOM REGIME - PERCENT COVER",
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  "visual estimate",
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  "in situ",
  "laboratory analyses",
  "visual estimate",
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  "oceanography",
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  "31454",
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  "Numeric Data Sets > Benthic",
  "EARTH SCIENCE > Biosphere > Aquatic Habitat > Benthic Habitat",
  "EARTH SCIENCE > Biosphere > Aquatic Habitat > Reef Habitat",
  "EARTH SCIENCE > Biosphere > Vegetation > Algae > Algal Cover",
  "EARTH SCIENCE > Biosphere > Vegetation > Algae > Crustose Coralline Algae",
  "EARTH SCIENCE > Biosphere > Vegetation > Algae > Encrusting Macroalgae",
  "EARTH SCIENCE > Biosphere > Vegetation > Algae > Fleshy Macroalgae",
  "EARTH SCIENCE > Biosphere > Vegetation > Algae > Turf Algae",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Baseline studies",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Benthos Analysis",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Benthos Analysis > Transect Monitoring",
  "EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Benthos Analysis > Transect Monitoring > Belt Transect",
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  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral Reef Ecology",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral Reef Ecology > Benthic Biology",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral Reef Ecology > Coral Cover",
  "EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral Reef Ecology > Hard Coral Cover",
  "EARTH SCIENCE > Oceans > Marine Biology > Coral Communities",
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  "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION",
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  "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS > MACROALGAE (SEAWEEDS)",
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  "LBSP",
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  "COUNTRY/TERRITORY > United States of America > American Samoa > Tutuila Island > Nu'uuli (14S170W0037)",
  "OCEAN BASIN > Pacific Ocean > Tutuila Island > Nu'uuli (14S170W0037)",
  "OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN",
  "American Samoa",
  "Nu'uuli Pala Lagoon",
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license https://creativecommons.org/publicdomain/zero/1.0/
modified 2025-09-26T00:00:00.000+00:00
publisher 
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references 
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rights otherRestrictions
spatial -170.6999,-14.32444,-170.7107,-14.3178
temporal 2024-11-11T00:00:00+00:00/2024-11-21T00:00:00+00:00
theme 
[
  "geospatial"
]
title Benthic photoquadrat imagery and benthic cover data collected in Nu'uuli Pala Lagoon and Backreef in American Samoa from 2024-11-11 to 2024-11-21 (NCEI Accession 0308219)

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