Benthic Community Assessments for U.S. Virgin Islands Coral Reefs

Benthic community data from the U.S. Virgin Islands were collected by NOAA and partner agencies under the National Coral Reef Monitoring Program. The dataset includes two survey types: Line Point-Intercept for percent cover of biotic and abiotic components, and Coral Demographic surveys for species-specific population details. The data collection involved multiple organizations including NOAA NCCOS, NMFS, and the University of the Virgin Islands.

Use Cases

• Analyze percent cover of biotic and abiotic benthic components from Line Point-Intercept surveys to track reef composition changes.
• Use Coral Demographic survey data to model species-specific population trends and signal magnitude for key coral species.
• Map benthic community distribution across stratified random sampling sites in hardbottom and coral reef habitats.
• Compare survey results from the two methodologies (LPI and Coral Demographic) to assess different metrics of reef health.

Strengths

• Data collected under a standardized national monitoring program (NCRMP) ensuring methodological consistency.
• Collaborative data collection involving multiple authoritative agencies (NOAA, NPS, EPA, academic institutions).
• Includes two complementary survey types providing both broad percent cover and detailed species-specific insights.

Limitations

• Specific sample size (row count), temporal range, and spatial resolution of survey sites are not provided.
• Data scope is limited to the U.S. Virgin Islands, which may not be representative of other Caribbean or global reef systems.
• The absence of column-level metadata limits detailed understanding of the recorded variables and their formats.

Provenance

Source

NOAA National Centers for Coastal Ocean Science (NCCOS) and partner agencies under the National Coral Reef Monitoring Program.

Collection Method

Field surveys using Line Point-Intercept (LPI) and Coral Demographic protocols in a stratified random sampling design.

Geography

U.S. Virgin Islands (USVI), specifically hardbottom and coral reef habitats.