NOAA Coral Reef Cryptobiota Monitoring via ARMS in Pacific Islands

Pacific Remote Island Areas and the Mariana Archipelago contain species identification data from Autonomous Reef Monitoring Structures (ARMS) deployed by the NOAA Coral Reef Ecosystem Program. The dataset documents colonizing marine invertebrates using a standardized method of PVC plate stacks to sample a consistent surface area. It supports the National Coral Reef Monitoring Program's assessment of cryptic reef diversity over time.

Use Cases

• Analyzing morphospecies composition from the sorted 2 mm size fraction of motile organisms.
• Comparing cryptic biodiversity across standardized ARMS units deployed at different Pacific reef sites.
• Monitoring temporal changes in recruited sessile organisms using photographic documentation from disassembled plates.
• Studying the distribution of specific taxonomic groups, such as Brachyura (crabs), within the cryptobiota community.

Strengths

• Data collection uses a standardized ARMS unit design (23cm x 23cm PVC plates) ensuring consistent, comparable sampling across sites.
• Organisms are processed into specific size fractions (2 mm, 500 um, 100 um) enabling detailed morphological and potential genetic analysis.
• Sampling covers multiple distinct Pacific regions, including the Pacific Remote Island Areas and Mariana Archipelago.

Limitations

• Key factual details like row count, specific column names, and dataset size are unavailable from all provided sources.
• DNA sequencing data derived from preserved samples are explicitly stated as not included in this collection.
• Sources conflict on the precise geographic scope, listing both 'Pacific Remote Island Areas' and 'Mariana Archipelago' in separate entries.

Provenance

Source

NOAA Coral Reef Ecosystem Program (CREP) / NOAA_NCEI, developed with the Census of Marine Life (CReefs).

Collection Method

Diver-deployed Autonomous Reef Monitoring Structures (ARMS) recovered after variable soak times, with organisms sieved into size fractions and preserved.

Freshness

2026-04-01 15:30:06.846551

Geography

Coral reef sites across the Pacific Remote Island Areas and the Mariana Archipelago.