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OAS accession Detail for 0291734
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accessions_id: | 0291734 | archive |
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Title: | Density of coral recruits on settlement tiles in St. John, US Virigin Islands between 2007 and 2020 (NCEI Accession 0291734) |
Abstract: | This dataset contains biological and physical data collected from 2007-01-01 to 2020-01-01. These data include density and taxon. These data were collected by Peter J. Edmunds of California State University Northridge as part of the "RUI: Pattern and process in four decades of change on Caribbean reefs (St John Coral Reefs)" project. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2021-06-25. The following is the text of the dataset description provided by BCO-DMO: Acquisition Description: Location: St. John, US Virgin Islands. 18.315°N, 64.716°W Excerpt from publication Biology Letters Recruitment Coral settlement was measured using terracotta tiles (15 × 15 × 1 cm) that were individually attached to the reef at ~ 5-m depth at five sites, where the tiles were ~ 2–100 cm apart. The first tiles were deployed in August 2006, immersed for ~ 6 months, and then replaced in 1/2007, 8/2007, 1/2008, and 8/2008. Thereafter, tiles were immersed for ~12 months and replaced in July/August. Ten tiles site -1 were deployed in the first year, with 15 tiles site -1 thereafter. Tiles were seasoned in seawater for 6–12 months before installation, and were attached horizontally with a ~1 cm gap beneath. Freshly collected tiles were bleached, dried, and inspected for coral recruits at 40 x magnification. Corals were identified to family, and expressed as corals tile -1 (combined surfaces) for all corals (i.e., pooled taxa), Poritidae, Faviidae, Agaricidae, Siderastreidae, Acroporidae, and unidentified. Since tiles were immersed for ~ 6 months over the first 2 y, mean settlement by deployments was summed within year by site, which precluded calculating within-site variability. Tiles were independent in the 12 months deployments, and means (± s.e.) were calculated by year with sites as replicates ( n = 5). Site List: Cabritte Horn,18.308,-64.722 West Tektite,18.312,-64.623 Yawzi Point,18.315,-64.726 West Little Lameshur,18.317,-64.728 White Point,18.314,-64.731 |
Date received: | 20210625 |
Start date: | 20070101 |
End date: | 20200101 |
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West boundary: | -64.731 |
East boundary: | -64.623 |
North boundary: | 18.317 |
South boundary: | 18.308 |
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Submitting institution: | Biological and Chemical Oceanography Data Management Office |
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Metadata version: | 1 |
Keydate: | 2024-04-23 13:53:53+00 |
Editdate: | 2024-04-23 13:54:13+00 |