National Coral Reef Monitoring Program: Towed-diver Surveys of Large-bodied Fishes of American Samoa in 2015

Metadata Updated: March 26, 2021

The towed-diver method is used to conduct surveys of large-bodied (> 50 cm) fishes in the Hawaiian and Mariana Archipelagos, American Samoa, and the Pacific Remote Island Areas as part of the NOAA National Coral Reef Monitoring Program (NCRMP). A suitable method for assessing relatively large areas of reef habitat, the method involves towing a pair of SCUBA divers���one benthic and one fish���behind a small boat for approximately 50 min following the ~15-m depth contour and covering about 2���3 km of habitat. Each diver is equipped with a towboard and attempts to maintain a constant elevation above the surface of the reef (~1 m) for the duration of the survey. A complete towed-diver survey is divided into 10 5-min segments, with visual observations recorded by 5-min segment.

The visual estimate data provided in this dataset were collected during towed-diver surveys in which the number, size, and species of all large-bodied fishes observed within a visually estimated 5-m transect on either side of the fish diver and 10 m in front were recorded. The data were collected around the American Samoa as part of the NOAA Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) led mission in 2015. These data can be accessed online via the NOAA National Centers for Environmental Information (NCEI) Ocean Archive.

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 March 18, 2021
Metadata Created Date November 12, 2020
Metadata Updated Date March 26, 2021
Reference Date(s) 2016 (publication)
Frequency Of Update asNeeded

Metadata Source

Harvested from NMFS PIFSC

Graphic Preview

Diver counting coral reef fishes using the towed diver method.

Additional Metadata

Resource Type Dataset
Metadata Date March 18, 2021
Metadata Created Date November 12, 2020
Metadata Updated Date March 26, 2021
Reference Date(s) 2016 (publication)
Responsible Party (Point of Contact, Custodian)
Contact Email
Guid gov.noaa.nmfs.inport:35761
Access Constraints Cite As: Pacific Islands Fisheries Science Center, [Date of Access]: National Coral Reef Monitoring Program: Towed-diver Surveys of Large-bodied Fishes of American Samoa in 2015 [Data Date Range], https://www.fisheries.noaa.gov/inport/item/35761., Access Constraints: None | Use Constraints: Please cite NOAA Coral Reef Ecosystem Program (CREP) when using the data. Suggested citation: Coral Reef Ecosystem Program; Pacific Islands Fisheries Science Center (2016). National Coral Reef Monitoring Program: Towed-diver Surveys of Large-bodied Fishes of American Samoa in 2016. NOAA's National Centers for Environmental Information, https://www.fisheries.noaa.gov/inport/item/35761. | 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.
Bbox East Long -168.137397
Bbox North Lat -11.04523805
Bbox South Lat -14.56062599
Bbox West Long -171.092526
Coupled Resource
Frequency Of Update asNeeded
Graphic Preview Description Diver counting coral reef fishes using the towed diver method.
Graphic Preview File https://pifsc-www.irc.noaa.gov/cred/img/diver_using_towboard_sm.jpg
Graphic Preview Type JPG
Licence NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose.
Metadata Language eng
Metadata Type geospatial
Old Spatial {"type": "Polygon", "coordinates": [[[-171.092526, -14.56062599], [-168.137397, -14.56062599], [-168.137397, -11.04523805], [-171.092526, -11.04523805], [-171.092526, -14.56062599]]]}
Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True
Temporal Extent Begin 2015-02-15
Temporal Extent End 2015-04-04

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