National Coral Reef Monitoring Program: Stratified random surveys (StRS) of coral demography (adult and juvenile corals) across the Pacific Remote Island Areas from 2018-06-08 to 2018-08-11 (NCEI Accession 0185193)
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) across the Pacific Remote Island Areas--including Baker, Howland, and Jarvis Islands, Palmyra Atoll, and Kingman Reef--from June 8 to August 11, 2018. 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.
A one-stage stratified random sampling (StRS) design was employed to survey the coral reef ecosystems of the Pacific Remote Island Areas in 2018. 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 island, reef zone, and depth (i.e., shallow: >0–6 m; mid-depth: >6–18 m; and deep: >18–30 m), as well as reef zone (i.e., forereef, backreef, lagoon, and protected slope; the latter three only at Kingman). 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-level estimates and site-to-site comparisons should proceed with caution.
The data were collected as part of the NOAA Pacific Islands Fisheries Science Center (PIFSC) and Ecosystem Sciences Division (ESD; formerly the Coral Reef Ecosystem Division) led National Coral Reef Monitoring Program (NCRMP) mission in 2018 to the Pacific Remote Island Areas.
A one-stage stratified random sampling (StRS) design was employed to survey the coral reef ecosystems of the Pacific Remote Island Areas in 2018. 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 island, reef zone, and depth (i.e., shallow: >0–6 m; mid-depth: >6–18 m; and deep: >18–30 m), as well as reef zone (i.e., forereef, backreef, lagoon, and protected slope; the latter three only at Kingman). 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-level estimates and site-to-site comparisons should proceed with caution.
The data were collected as part of the NOAA Pacific Islands Fisheries Science Center (PIFSC) and Ecosystem Sciences Division (ESD; formerly the Coral Reef Ecosystem Division) led National Coral Reef Monitoring Program (NCRMP) mission in 2018 to the Pacific Remote Island Areas.
Dataset Citation
- Cite as: Ecosystem Sciences Division, Pacific Islands Fisheries Science Center (2019). National Coral Reef Monitoring Program: Stratified random surveys (StRS) of coral demography (adult and juvenile corals) across the Pacific Remote Island Areas from 2018-06-08 to 2018-08-11 (NCEI Accession 0185193). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0185193. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0185193
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NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov |
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NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Time Period | 2018-06-08 to 2018-08-11 |
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West: -176.6252
East: -159.972386
South: -.38254
North: 6.435843
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Dataset Progress Status | Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
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Supplemental Information | In this accession, NCEI has archived multiple versions of these data. The latest (and best) version of these data has the largest version number. |
Purpose | The National Coral Reef Monitoring Program (NCRMP) details a long-term approach to provide an ecosystem perspective via monitoring climate, fish, benthic, and socioeconomic variables in a consistent and integrated manner. The NCRMP is intended to coordinate various Coral Reef Conservation Coral Reef Program (CRCP) biological, physical, and human dimensions activities into a cohesive NOAA-wide effort. Through the implementation of the NCRMP, NOAA will be able to clearly and concisely communicate results of national-scale monitoring to national, state, and territorial policy makers, resource managers, and the public on a periodic basis. In some circumstances, additional survey efforts using identical survey methods and design are conducted to supplement or otherwise complement NCRMP surveys. In these cases, methods, design and even sometimes personnel are consistent across the supplementary surveys and NCRMP. The National Coral Reef Monitoring Program (NCRMP) is a framework for conducting sustained observations of biological, climate, and socioeconomic indicators at 10 priority coral reefs across the U.S. and its territories. This integrated approach will consolidate monitoring of coral reefs under a uniform method in the Pacific, Atlantic, Caribbean, and the Gulf of Mexico for the first time. NCRMP is funded by the CRCP and supported by NOAA Fisheries, NOAA National Centers for Coastal Ocean Science (NCCOS), and many other partners. The PIFSC Ecosystem Sciences Division at NOAA Fisheries is leading biological monitoring in the U.S. Pacific Islands Region. The biological component of NCRMP in the Pacific provides a triennial ecological characterization at a broad spatial scale of general reef condition for reef fishes, corals and benthic habitat (i.e., fish species composition/density/size, benthic cover, and coral density/size/condition). Innovative analysis techniques are then used to develop products that give fellow scientists, managers, decision makers and the public a better understanding of a region’s resources and how they are changing over time. |
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Last Modified: 2024-09-10T20:08:29Z
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For questions about the information on this page, please email: ncei.info@noaa.gov