Benthic Surveys in Faga'alu, American Samoa: comprehensive assessment of coral demography (adult and juvenile corals) from belt transect surveys in 2013, 2015, and 2020
Pacific Islands Fisheries Science Center
Data Set
(DS)
| ID: 25369
| Published / External
Created: 2015-06-15
|
Last Modified: 2024-10-03
Project (PRJ) | ID: 58564
ID: 25369
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | Benthic Surveys in Faga'alu, American Samoa: comprehensive assessment of coral demography (adult and juvenile corals) from belt transect surveys in 2013, 2015, and 2020 |
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Short Name | Faga'alu: BLT 2013, 2015, and 2020 |
* Status | In Work |
Creation Date | |
Revision Date | |
• Publication Date | 2017 |
* » Abstract |
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 Faga’alu, American Samoa in 2013, 2015, and 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 2013 and 2015, the survey implemented a two-stage stratified random sampling (StRS) design to assess the Faga’alu coral reef community, and a one-stage StRS design in 2020. 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. |
* Purpose |
These data are part of a NOAA Coral Reef Conservation Program (CRCP) funded project aimed at establishing baseline, status, and trends data for coral demographics and benthic cover and composition via Rapid Ecological Assessment (REA) surveys conducted by the NOAA Coral Reef Ecosystem Program (CREP) at Faga'alu Bay, Tutuila, American Samoa between 2012 and 2020. In August 2012 Faga’alu watershed in American Samoa was adopted by the U.S. Coral Reef Task Force Watershed Partnership Initiative as a priority site, with the objective to reduce inputs of land-based sources of pollution to nearby coastal areas and coral reefs within the watershed. The Samoa Maritime rock quarry was found to be a major contributor to the periodic flux of excessive sediments onto the adjacent reef in Faga‘alu. In September–December 2014, mitigation actions were implemented at the Samoa Maritime Quarry, including the installation of drainage systems, alternative ground cover, and retention ponds. Data were collected to assess the effectiveness of management actions to reduce land-based sources of pollution impacts undertaken at the Samoa Maritime rock quarry. Pre-intervention baseline data were collected in 2013 and subsequent post-intervention monitoring in 2015 and 2020. Funding provided by the NOAA Coral Reef Conservation Program (CRCP) through two internal projects entitled. 1) Comprehensive Baseline Assessment and Pilot Test of Outcome Performance Measures in Faga’alu Bay, American Samoa, awarded to Suzie Holst. 2) Status and Trends Assessment for Land-based Sources of Pollution Impacts on Benthic Reef Communities in Faga’alu Bay and Vatia Bay, American Samoa, awarded to the NOAA Ecosystem Sciences Division (ESD). |
Notes | |
Other Citation Details |
S. Holst Rice, A. Messina, T. Biggs, B. Vargas-Angel, and D. Whitall. 2016. Baseline Assessment of Faga'alu Watershed: A Ridge to Reef Assessment in Support of Sediment Reduction Activities and Future Evaluation of their Success. Silver Spring, MD: NOAA Coral Reef Conservation Program. NOAA Technical Memorandum CRCP 23. 44 pp. DOI: 10.7289/V5BK19C3 Vargas-Angel B, Schumacher BD. 2018. Baseline surveys for coral reef community structure and demographics in Vatia Bay and Faga'alu Bay, American Samoa. Pacific Islands Fisheries Science Center, PIFSC Special Publication, SP-18-002, 38 p. https://doi.org/10.7289/V5/SP-PIFSC-18-002. and Vargas-Ángel B, Huntington B. 2020. Status and trends assessments for land-based sources of pollution impacts on benthic reef communities in Faga‘alu Bay, American Samoa. U.S. Dept. of Commerce, NOAA Technical Memorandum NOAA-TM-NMFS-PIFSC-109, 38 p. doi:10.25923/0gvj-zm69. |
• Supplemental Information |
An Erosion and Sediment Control Plan was implemented at Samoa Maritime quarry to reduce excess sedimentation from quarry operations, and mitigation actions from the Plan took place in 2014 to install retention basins designed to stem the input of excess sediments into Faga’alu Stream below the quarry. REA surveys conducted by CREP in 2012 and 2013 serve as the pre-mitigation baseline, and surveys conducted in 2015 by CREP and later by the American Samoa Department of Marine and Wildlife Resources serve to document the downstream effects (e.g., changes to the coral community) in Faga’alu Bay from the mitigation efforts to reduce the sediment loads upstream. Concurrent pre- and post-mitigation monitoring of turbidity and sediment load in Faga'alu is managed by San Diego State University via the CRCP-funded project titled, "Capacity Building for On-Island Impact Assessment of Sediment Load Reduction in Faga’alu Watershed, American Samoa". Long-term monitoring of the stream is transitioning to the American Samoa Environmental Protection Agency. A report entitled "Baseline surveys for coral community structure and demographics in Vatia Bay and Faga'alu Bay, American Samoa" was prepared by NOAA Coral Reef Ecosystem Program for the American Samoa Department of Marine and Wildlife Resources. |
DOI (Digital Object Identifier) | |
DOI Registration Authority | |
DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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ISO 19115 Topic Category | biota |
CoRIS Discovery Thesaurus | Numeric Data Sets > Biology |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Mortality |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Damage Assessment > Pollution |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals > Reef monitoring and assessment |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Baseline studies |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Benthos Analysis > Transect Monitoring > Belt Transect |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Coral Colony Size and Condition |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > In Situ Biological |
CoRIS Theme Thesaurus | EARTH SCIENCE > Biosphere > Zoology > Corals > Reef monitoring and assessment > Rapid assessment studies |
CoRIS Theme Thesaurus | EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs |
CoRIS Theme Thesaurus | EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral reef ecology |
CoRIS Theme Thesaurus | EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs > Coral Reef Ecology > Benthic biology |
CoRIS Theme Thesaurus | EARTH SCIENCE > Oceans > Marine Biology > Coral |
CoRIS Theme Thesaurus | EARTH SCIENCE > Oceans > Marine Biology > Coral Communities |
CRCP Project | 917 |
CRCP Project | American Samoa |
CRCP Project | Comprehensive baseline assessment and pilot test of outcome performance measures in Faga'alu Bay |
NODC DATA TYPES THESAURUS | CORAL |
NODC DATA TYPES THESAURUS | CORAL - CENSUS |
NODC DATA TYPES THESAURUS | CORAL - COLONY SIZE |
NODC DATA TYPES THESAURUS | CORAL - SPECIES IDENTIFICATION |
NODC OBSERVATION TYPES THESAURUS | survey - biological |
NODC OBSERVATION TYPES THESAURUS | survey - coral reef |
NODC OBSERVATION TYPES THESAURUS | survey - swimmer/diver |
NODC PROJECT NAMES THESAURUS | Coral Reef Conservation Program |
NODC PROJECT NAMES THESAURUS | CORAL REEF STUDIES |
NODC SUBMITTING INSTITUTION NAMES THESAURUS | US DOC; NOAA; NMFS; Pacific Islands Fisheries Science Center; Ecosystem Sciences Division; Coral Reef Ecosystem Program |
None | Coral Reef Ecosystem Division |
None | Coral Reef Ecosystem Program |
None | CRED |
None | CREP |
None | Ecosystem Sciences Division |
None | ESD |
None | Pacific Islands Fisheries Science Center |
None | PIFSC |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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CoRIS Place Thesaurus | COUNTRY/TERRITORY > United States of America > American Samoa > Tutuila Island > Faga'alu (14S170W0005) |
CoRIS Place Thesaurus | OCEAN BASIN > Pacific Ocean > Pago Pago Harbor > Faga'alu (14S170W0005) |
NODC SEA AREA NAMES THESAURUS | South Pacific Ocean |
None | Faga'alu |
Stratum Keywords
Thesaurus | Keyword |
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Instrument Keywords
Thesaurus | Keyword |
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Platform Keywords
Thesaurus | Keyword |
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Physical Location
• » Organization | Pacific Islands Fisheries Science Center |
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• » City | Honolulu |
• » State/Province | HI |
• Country | USA |
• » Location Description |
Data Set Information
* Data Set Scope Code | Data Set |
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• Data Set Type | CSV Files |
• Maintenance Frequency | None Planned |
Maintenance Note | |
» Data Presentation Form | Table (digital) |
• Entity Attribute Overview |
Raw data include individual colony records with the corresponding physical data which reflect the description of the site. An individual colony record for adult corals for 2015 includes colony species/genus identification, morphology, size information (cm), percent old dead, percent recent dead, cause of recent dead general category, cause of recent dead specific category, condition, extent and severity. https://www.fisheries.noaa.gov/inport/item/51107 Juvenile coral colony records include colony species/genus identification, morphology, and size information (cm). https://www.fisheries.noaa.gov/inport/item/51108 The physical record for juvenile and adult corals includes the following: region, island, site, date (day, month, year), latitude (decimal degrees), longitude (decimal degrees), transect, segment, segment length, segment width, minimum depth (feet), and maximum depth. An individual colony record for adult corals for 2013 includes colony species/genus identification, size information (cm), percent old dead, percent recent dead, condition, extent and severity. https://www.fisheries.noaa.gov/inport/item/51109 |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | |
Distribution Liability |
While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. |
Data Set Credit | PIFSC Coral Reef Ecosystem Program and funded by the NOAA Coral Reef Conservation Program |
Support Roles
* » Support Role | Data Set Credit |
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* » Date Effective From | 2013 |
Date Effective To | |
Organization | NOAA Coral Reef Conservation Program (CRCP) |
Address |
1305 East West Highway 10th Floor Silver Spring, MD 20910-3281 |
Email Address | |
Phone | (301) 713-3155 |
Fax | |
Mobile | |
URL | https://coralreef.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Data Steward |
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* » Date Effective From | 2013 |
Date Effective To | |
Person | Vargas-Angel, Bernardo |
Address |
1845 Wasp Blvd. Honolulu, HI 96818 USA |
Email Address | bernardo.vargasangel@noaa.gov |
Phone | (808)725-5423 |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Distributor |
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* » Date Effective From | 2018 |
Date Effective To | |
Organization | NOAA National Centers for Environmental Information (NCEI) |
Email Address | ncei.info@noaa.gov |
Phone | |
Fax | |
Mobile | |
URL | https://www.ncei.noaa.gov/contact |
Business Hours | |
Contact Instructions |
* » Support Role | Distributor |
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* » Date Effective From | 2013 |
Date Effective To | 2017 |
Person | Kanemura, Troy T |
Address |
1845 Wasp Blvd. Honolulu, HI 96818 USA |
Email Address | troy.kanemura@noaa.gov |
Phone | (808)725-5422 |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2021 |
Date Effective To | |
Person | Olenski, Brooke |
Email Address | brooke.olenski@noaa.gov |
Phone | |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2013 |
Date Effective To | 2020 |
Person | DesRochers, Annette M |
Address |
1845 Wasp Blvd. Honolulu, HI 96818 USA |
Email Address | annette.desrochers@noaa.gov |
Phone | (808)725-5461 |
Fax | |
Mobile | |
URL | |
Business Hours | 8 am - 5 pm |
Contact Instructions |
* » Support Role | Originator |
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* » Date Effective From | 2013 |
Date Effective To | |
Organization | Pacific Islands Fisheries Science Center (PIFSC) |
Address |
1845 Wasp Blvd. Honolulu, HI 96818 USA |
Email Address | pifsc.info@noaa.gov |
Phone | 808-725-5360 |
Fax | |
Mobile | |
URL | https://www.pifsc.noaa.gov |
Business Hours | 8:00 a.m. - 4:30 p.m. |
Contact Instructions |
* » Support Role | Point of Contact |
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* » Date Effective From | 2013 |
Date Effective To | |
Person | Vargas-Angel, Bernardo |
Address |
1845 Wasp Blvd. Honolulu, HI 96818 USA |
Email Address | bernardo.vargasangel@noaa.gov |
Phone | (808)725-5423 |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | |
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* » Date Effective From | |
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* Contact Instructions |
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* » Date Effective From | |
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* » Contact | |
* Contact Instructions |
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* » Date Effective From | |
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* » Contact | |
* Contact Instructions |
Extents
Currentness Reference | Ground Condition |
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Extent Group 1
Extent Description |
Faga'alu Bay, Tutuila, American Samoa |
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Extent Group 1 / Geographic Area 1
* » W° Bound | -170.68277777778 |
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* » E° Bound | -170.675 |
* » N° Bound | -14.28722222222 |
* » S° Bound | -14.295 |
* » Description |
Location of Rapid Ecological Assessment (REA) surveys in Faga'alu in 2013, 2015, and 2020 |
Extent Group 1 / Vertical Extent
EPSG Code | |
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Vertical Minimum | |
Vertical Maximum |
Extent Group 1 / Time Frame 1
* » Time Frame Type | Range |
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* » Start | 2013-04-01 |
End | 2013-04-10 |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Coral demographic surveys in 2013 |
Extent Group 1 / Time Frame 2
* » Time Frame Type | Range |
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* » Start | 2015-10-29 |
End | 2015-11-11 |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Coral demographic surveys in 2015 |
Extent Group 1 / Time Frame 3
* » Time Frame Type | Range |
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* » Start | 2020-01-15 |
End | 2020-01-29 |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Coral demographic surveys in 2020 |
Spatial Information
Spatial Resolution
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Access Information
Data License | |
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Data License URL | |
Data License Statement | |
* » Security Class | Unclassified |
* Security Classification System |
Not applicable |
Security Handling Description |
Not applicable |
• Data Access Policy |
NOAA Coral Reef Ecosystem Program (CREP) Data Sharing Recommendations, version 9.0 updated August 12, 2015: CREP welcomes the opportunity to collaborate on research issues contributing to the scientific basis for better management of marine ecosystems. CREP has a very diverse set of field activities that generates large volumes of data using an array of data collection protocols. The following recommendations are for your consideration as you use this data: 1) Data analyses should take all field exigencies into account. The most effective way to do this would be active collaboration with CREP principal investigators. 2) In all presentations, product releases, or publications using data generated by CREP, proper acknowledgement of both CREP and the individuals responsible for data collection is expected. Citing the DOI (if available) is preferred, a non-DOI example is listed below. 3) If you collect or generate data for the same study areas, CREP requests that you share relevant information on complimentary data collections. 4) Those receiving data are strongly urged to inform the CREP Data Management Team of any errors and discrepancies that are discovered during the course of using these data. They are further urged to bring to the attention of the Team all problems and difficulties encountered in using these data. This information is necessary in order to improve the collections and to facilitate more efficient and economical data processing and retrieval. The users are asked to supply copies of any missing data that may be located, and to provide information as to significant subsets and special aggregations of data that are developed in using the material provided. Example citation: "This publication makes use of data products provided by the Coral Reef Ecosystem Program (CREP), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), with funding support from the NOAA Coral Reef Conservation Program (CRCP). The analysis and interpretations presented here are solely that of the current authors.” |
» Data Access Procedure |
Data can be accessed online via the NOAA National Centers for Environmental Information (NCEI) Ocean Archive. |
• » Data Access Constraints |
None |
• Data Use Constraints |
Please cite NOAA Coral Reef Ecosystem Program (CREP) when using the data. Example Cite as: Vargas-Angel, Bernardo; Coral Reef Ecosystem Program; Pacific Islands Fisheries Science Center (2017). Benthic Surveys in Faga'alu, American Samoa: comprehensive assessment of coral demography (adult and juvenile corals) from belt transect surveys in 2013 and 2015. NOAA National Centers for Environmental Information. https://www.fisheries.noaa.gov/inport/item/25369 |
Metadata Access Constraints |
None |
Metadata Use Constraints |
None |
Distribution Information
Start Date | |
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» Download URL | https://accession.nodc.noaa.gov/0169727 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | Draft_StRS_coralsurvey_2014.pdf |
Description |
Draft Coral Reef Ecosystem Program â Standard Operating Procedures: Rapid Ecological Assessment (REA) Benthic Survey Data Collection - latest draft as of March 21, 2016 |
File Date/Time | 2016-03-21 00:00:00 |
File Type (Deprecated) | |
Distribution Format | PDF - Adobe Portable Document Format |
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» Download URL | https://accession.nodc.noaa.gov/0169727 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | LIST_OF_GENERAL_CAUSES.csv |
Description |
A list of the general causes of recent coral mortality, including the code and description associated with V0_CORAL_OBS_E FAGAALU_2015.csv. |
File Date/Time | |
File Type (Deprecated) | csv (comma-separated values) |
Distribution Format | CSV - Comma Separated Values (Text) |
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» Download URL | https://accession.nodc.noaa.gov/0169727 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | LIST_OF_SPECIFIC_CAUSES.csv |
Description |
A list of the specific causes of recent coral mortality, including the code and description, and the associated general cause code associated with V0_CORAL_OBS_E FAGAALU_2015.csv |
File Date/Time | |
File Type (Deprecated) | csv (comma-separated values) |
Distribution Format | CSV - Comma Separated Values (Text) |
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» Download URL | https://accession.nodc.noaa.gov/0169727 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | SAMOA2015_coralgenera.csv |
Description |
List of coral genera surveyed in American Samoa in 2015 |
File Date/Time | 2016-12-23 00:00:00 |
File Type (Deprecated) | csv (comma-separated values) |
Distribution Format | CSV - Comma Separated Values (Text) |
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» Download URL | https://accession.nodc.noaa.gov/0169727 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | SAMOA2015_coralspecies.csv |
Description |
List of coral species surveyed in American Samoa in 2015 |
File Date/Time | 2016-12-23 00:00:00 |
File Type (Deprecated) | csv (comma-separated values) |
Distribution Format | CSV - Comma Separated Values (Text) |
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» Download URL | https://accession.nodc.noaa.gov/0169727 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | V0_CORAL_OBS_C FAGAALU_2013.csv |
Description |
Coral demographic data of adult corals from belt transect surveys conducted by the NOAA Coral Reef Ecosystem Program (CREP) in Faga'alu, Tutuila, American Samoa in 2013. |
File Date/Time | 2016-02-17 00:00:00 |
File Type (Deprecated) | csv (comma-separated values) |
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» Download URL | https://accession.nodc.noaa.gov/0169727 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | V0_CORAL_OBS_E FAGAALU_2015.csv |
Description |
Coral demographic data of adult corals from belt transect surveys conducted by the NOAA Coral Reef Ecosystem Program (CREP) in Faga'alu, Tutuila, American Samoa in 2015. |
File Date/Time | 2016-02-17 00:00:00 |
File Type (Deprecated) | csv (comma-separated values) |
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» Download URL | https://accession.nodc.noaa.gov/0169727 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | V0_CORAL_OBS_F FAGAALU_2015.csv |
Description |
Coral demographic data of juvenile corals from belt transect surveys conducted by the NOAA Coral Reef Ecosystem Program (CREP) in Faga'alu, Tutuila, American Samoa in 2015. |
File Date/Time | 2016-02-17 00:00:00 |
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» Download URL | https://accession.nodc.noaa.gov/0240418 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | V0_CORAL_OBS_E FAGAALU_2020.csv |
Description |
Coral demographic data of adult corals from belt transect surveys conducted by the NOAA PIFSC Ecosystem Sciences Division (ESD) in Faga'alu, Tutuila, American Samoa in 2020. |
File Date/Time | 2021-05-04 00:00:00 |
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» Download URL | https://accession.nodc.noaa.gov/0240418 |
Distributor | NOAA National Centers for Environmental Information (NCEI) (2018 - Present) |
File Name | V0_CORAL_OBS_F FAGAALU_2020.csv |
Description |
Coral demographic data of juvenile corals from belt transect surveys conducted by the NOAA PIFSC Ecosystem Sciences Division (ESD) in Faga'alu, Tutuila, American Samoa in 2020. |
File Date/Time | 2021-05-04 00:00:00 |
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URLs
URL | https://www.pifsc.noaa.gov/cred/corals.php |
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Name | PIFSC Ecological Assessment of Corals |
URL Type | Online Resource |
File Resource Format | |
Description |
URL | http://www.coris.noaa.gov/activities/fagaaluWatershed/ |
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Name | Baseline Assessment of Faga'alu Watershed: A Ridge to Reef Assessment in Support of Sediment Reduction Activities and Future Evaluation of their Success |
URL Type | Online Resource |
File Resource Format | HTML |
Description |
NOAA Technical Memorandum CRCP 23 |
URL | http://data.nodc.noaa.gov/coris/library/NOAA/CRCP/project/917/Fagaalu_TM_CRCP_23_DOI_Cover_200.jpg |
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Name | Baseline Assessment of Faga'alu Watershed |
URL Type | Browse Graphic |
File Resource Format | JPG |
Description |
NOAA Technical Memorandum CRCP 23 |
URL | https://doi.org/10.7289/V5/SP-PIFSC-18-002 |
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Name | Baseline surveys for coral reef community structure and demographics in Vatia Bay and Faga'alu Bay, American Samoa |
URL Type | Online Resource |
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Description |
PIFSC Special Publication, SP-18-002, 38 p. |
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Technical Environment
Description |
PIFSC Oracle database views: v0_coral_obs_c, v0_coral_obs_e and v0_coral_obs_f (date and location selection criteria required to subset the dataset) |
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Data Quality
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Accuracy |
Observations were made by experienced benthic survey personnel who have been trained, undergone a series of calibration surveys and coral taxon identification testing, and have met a set of minimum standards for colony assessment and taxon identification in each region. The accuracy of species and genus level identification was high. The lowest taxonomic level of coral identification was genus except for a select number of species that were consistently identified to species by all divers conducting the surveys. Handheld GPS units were used to locate sites and mark site locations. |
Analytical Accuracy |
The taxon code AAAA is included where the segment was surveyed and no individual colonies were found in both the juvenile and adult colony records. These are true zeros. The value -9 is a placeholder or missing value for the fields: colony length, colony width (juveniles), extent, and severity. The value -1 is included where a coral colony is a fragment. |
Horizontal Positional Accuracy | |
Vertical Positional Accuracy | |
Quantitation Limits | |
Bias |
While colony lengths are derived from physical measurements, recent and old mortality are visual estimates; surveyors calibrate to reduce inter-observer bias |
Comparability |
Survey transects were appropriately marked to allow direct, site-level temporal comparisons. |
Completeness Measure |
Complete. All planned demographic data were collected. |
Precision | |
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Field Precision | |
Sensitivity | |
Detection Limit | |
Completeness Report |
Only forereef, hard bottom habitats were surveyed. |
Conceptual Consistency |
Within each year, survey methods were consistent across all sites. |
» Quality Control Procedures Employed |
The quality control occurred at two major stages - 1) data entry and 2) data management. Data entry quality control included both review and manual error correction steps. Data management quality control included several standard error queries followed by correction prior to ingestion into Oracle database. |
Data Management
» Have Resources for Management of these Data Been Identified? | Yes |
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» Approximate Percentage of Budget for these Data Devoted to Data Management | Unknown |
» Do these Data Comply with the Data Access Directive? | Yes |
» Is Access to the Data Limited Based on an Approved Waiver? | No |
» If Distributor (Data Hosting Service) is Needed, Please Indicate | |
» Approximate Delay Between Data Collection and Dissemination | Unknown |
» If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed | |
» Actual or Planned Long-Term Data Archive Location | NCEI-MD |
» Approximate Delay Between Data Collection and Archiving | Unknown |
» How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
NOAA IRC and NOAA Fisheries ITS resources and assets. |
Lineage
» Lineage Statement |
The data described here were collected via belt transect surveys of coral demography (adult and juvenile corals) by the NOAA Coral Reef Ecosystem Program (CREP): 2013: belt transect surveys of corals (version c) with individual colony counts. 2015-2020: belt transect surveys of adult corals (version e) with individual colony counts and health condition cause codes, and belt transect surveys of juvenile corals (version f) with individual colony counts |
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Sources
Citation Title | Baseline assessment of Faga’alu Watershed: a ridge to reef assessment in support of sediment reduction activities and future evaluation of their success. |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | Coral Reef Conservation Program |
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Citation URL | https://repository.library.noaa.gov/view/noaa/8439 |
Citation URL Name | NOAA Technical Memorandum: 23 |
Citation URL Description |
Holst Rice, S., A.T. Messina, T. Biggs, B. Vargas-Angel, and D.R. Whitall. 2016. Baseline assessment of Faga’alu Watershed: a ridge to reef assessment in support of sediment reduction activities and future evaluation of their success. NOAA Technical Memorandum CRCP 23. Silver Spring, MD. 44 pp. doi:10.7289/V5BK19C3 |
Source Contribution |
Citation Title | Baseline surveys for coral reef community structure and demographics in Vatia Bay and Faga'alu Bay, American Samoa |
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Contact Role Type | |
Contact Type | Organization |
Contact Name | Pacific Islands Fisheries Science Center, PIFSC |
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Citation URL | https://doi.org/10.7289/V5/SP-PIFSC-18-002 |
Citation URL Name | Data Report |
Citation URL Description |
Vargas-Angel B, Schumacher BD. 2018. Baseline surveys for coral reef community structure and demographics in Vatia Bay and Faga'alu Bay, American Samoa. Pacific Islands Fisheries Science Center, PIFSC Special Publication, SP-18-002, 38 p. |
Source Contribution |
Citation Title | Ecosystem Sciences Division standard operating procedures: data collection for rapid ecological assessment benthic surveys |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | NOAA Pacific Islands Fisheries Science Center |
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Citation URL | https://repository.library.noaa.gov/view/noaa/18267 |
Citation URL Name | NOAA technical memorandum NMFS-PIFSC ; 71 |
Citation URL Description |
Swanson, D., Bailey, H., Schumacher, B., Ferguson, M., and B. Vargas-Ángel. 2018. Ecosystem Sciences Division Standard Operating Procedures: Data Collection for Rapid Ecological Assessment Benthic Surveys. NOAA Tech. Memo. NMFS-PIFSC-71, 63 p. https://doi.org/10.25923/39jh-8993 |
Source Contribution |
Citation Title | Ecosystem Sciences Division Standard Operating Procedures: Data Collection for Rapid Ecological Assessment Benthic Surveys, 2019 Update |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | NOAA Pacific Islands Fisheries Science Center |
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Citation URL | https://repository.library.noaa.gov/view/noaa/23951 |
Citation URL Name | NOAA Technical Memorandum NMFS-PIFSC ; 96 |
Citation URL Description |
Winston W, Couch C, Huntingon B, Vargas-Ángel B. 2020. Ecosystem Sciences Division standard operating procedures: data collection for rapid ecological assessment benthic surveys,2019 update. NOAA Tech. Memo. NMFS-PIFSC-96, 56 p |
Source Contribution |
Citation Title | Status and Trends Assessment for Land-based Sources of Pollution Impacts on Benthic Reef Communities in Faga‘alu Bay, American Samoa |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | Pacific Islands Fisheries Science Center |
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Citation URL | https://repository.library.noaa.gov/view/noaa/27088 |
Citation URL Name | NOAA technical memorandum NMFS-PIFSC ; 109 |
Citation URL Description |
Vargas-Ángel B, Huntington B. 2020. Status and trends assessments for land-based sources of pollution impacts on benthic reef communities in Faga‘alu Bay, American Samoa. U.S. Dept. of Commerce, NOAA Technical Memorandum NOAA-TM-NMFS-PIFSC-109, 38 p. doi:10.25923/0gvj-zm69. |
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Process Steps
Process Step Number | 1 |
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» Description |
Biological surveys implemented a modified stratified random sampling design to assess the survey domain which encompassed the hard-bottom reef habitat from 0 to 18 m in depth within Faga‘alu Bay. Based on the geomorphology of the reef, the stratification scheme combined two reef zone categories (backreef and forereef) and cardinal positions (north and south) into four distinct strata: i.e., backreef north, backreef south, forereef north, and forereef south. A digital map of the survey domain was overlaid with a 30 m × 30 m (900 m2 in area) GIS layer, and grid cells containing hard-bottom reef habitat were designated as the sampling units, hereafter referred to as survey sites. Sampling effort allocation was relative to strata area and sites randomly assigned within each stratum. Belt-transects were the focal point of the biological surveys. Coral community composition was assessed within a number of 1.0 m × 2.5 m segments located at the 0–2.5 m, 5.0–7.5 m, 10–12.5 m, 15–17.5 m, and 20–22.5 m mark along each transect; bottom-time permitting, covering a total area ranging 5–12.5 m2 per transect. Over time, protocols were adjusted to increase efficiency such that two, 25-m transects were implemented in 2012/2013, two 18-m transects in 2015, and one 18-m transect in 2020. Within segments, all adult coral colonies (≥5 cm maximum diameter) whose center fell within 0.5 m on either side of the transect line were identified to the genus-level and measured for size (maximum diameter to nearest cm). Juvenile coral colonies (<5 cm), distinguished by the presence of a distinct tissue and skeletal boundary (not a fragment of a larger colony), were surveyed within three 1.0 m × 1.0 m segments at the 0–1.0 m, 5.0–6.0 m, and 10.0–11.0 m mark of each transect (covering 3 m2 per transect). Juvenile colonies were identified to genus and measured for size (maximum diameter to nearest 5 mm). In addition, still photographs were collected were taken every 1 m to record the benthic community composition at predetermined points along the same transect(s) lines with a high-resolution digital camera mounted on a pole. This work generates 30 photographs per site, which are later analyzed by CREP staff and partners using the computer program CoralNet. This analysis is the basis for estimating benthic cover and composition at each site. These data are documented separately. Survey protocols followed the National Coral Reef Monitoring Program methodologies historically implemented by NOAA's Ecosystem Sciences Division. |
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Source | Status and Trends Assessment for Land-based Sources of Pollution Impacts on Benthic Reef Communities in Faga‘alu Bay, American Samoa |
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Acquisition Information
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FAQs
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Child Items
Rubric scores updated every 15m
Score | Type | Title |
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Entity (ENT) | View: V0_CORAL_OBS_C | |
Entity (ENT) | View: V0_CORAL_OBS_E | |
Entity (ENT) | View: V0_CORAL_OBS_F | |
Related Items
Item Type | Relationship Type | Title |
---|---|---|
Data Set (DS) | Cross Reference |
Benthic Surveys in Faga'alu, American Samoa since 2012: benthic images collected during belt transect surveys in 2012, 2015, 2020 |
Data Set (DS) | Cross Reference |
Benthic Surveys in Faga'alu, American Samoa: belt transect surveys of corals in March and August of 2012 |
Data Set (DS) | Cross Reference |
Benthic Surveys in Faga'alu, American Samoa: benthic cover derived from analysis of benthic images collected during belt transect surveys of coral demography in 2015 and 2020 |
Data Set (DS) | Cross Reference |
Benthic Surveys in Faga'alu, American Samoa: benthic cover derived from line-point intercept (LPI) surveys in August 2012 |
Data Set (DS) | Cross Reference |
Benthic Surveys in Vatia, American Samoa: comprehensive assessment of coral demography (adult and juvenile corals) from belt transect surveys in 2015 and 2020 |
Catalog Details
Catalog Item ID | 25369 |
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Metadata Record Created By | Annette M DesRochers |
Metadata Record Created | 2015-06-15 13:07+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2024-10-03 18:16+0000 |
Metadata Record Published | 2021-09-01 |
Owner Org | PIFSC |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2021-09-01 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2022-09-01 |
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