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NOAA coral reef monitoring benthic data from sites across Micronesia from 2009-09-29 to 2015-09-25

Dataset homepage

Citation

Houk P (2020). NOAA coral reef monitoring benthic data from sites across Micronesia from 2009-09-29 to 2015-09-25. Version 1.2. United States Geological Survey. Sampling event dataset https://doi.org/10.15468/ftjpwb accessed via GBIF.org on 2020-06-16. accessed via GBIF.org on 2022-06-28.

Description

Benthic census data were collected from sites around Micronesia as part of the ongoing Micronesia Challenge. Information on the program can be found at (www.micronesiareefmonitoring.com). Survey sites were selected around each island to be representative of natural environmental gradients, management, and major reef types. Thus, full site designs can be used to evaluate both island trends and site-specific trends. Benthic substrates were evaluated using a photo-quadrat technique. At each site, five 50-m transects were used to measure fishes, corals, and other benthic assemblages between 8–10 m on outer reefs, and at 3–5 m for inner lagoon reefs.Fifty photos were taken at 1-m intervals along each 50-m transect line. Within each photo the benthic substrates were evaluated under five randomly allocated crosses. Benthic-assemblage metrics were derived from data aggregated across the 50 photographs, to the transect level (n = 5). Metrics included coral and macroalgal cover, coral-genus richness, and a benthic substrate ratio defined by the percentage cover of heavily calcifying (corals and CCA) versus non-or-low calcifying (turf, encrusting, and macroalgae) substrates.

Additional info

marine, harvest by OBIS

Taxonomic Coverages

Geographic Coverages

Micronesia

Bibliographic Citations

Contacts

Peter Houk
originator
position: Professor
University of Guam
email: houkp@triton.uog.edu
Peter Houk
metadata author
position: Professor
University of Guam
email: houkp@triton.uog.edu
Abigail Benson
publisher
email: albenson@usgs.gov
userId: http://orcid.org/0000-0002-4391-107X
Sarah Bingo
processor
position: Data Manager
Pacific Islands Ocean Observing System
email: sarahr6@hawaii.edu
Peter Houk
administrative point of contact
position: Professor
University of Guam
email: houkp@triton.uog.edu
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