<div><p>The Varadero Reef is located south-west of the Cartagena Bay close to the southern strait that connects the Bay to the Caribbean Sea in Colombia. The Bay is a receiving estuary from the Magdalena River through the Canal del Dique, a man-made channel whose construction and operation dates back almost a century. The bathymetric distribution of the <em>Orbicella</em> species complex was evaluated at two reference sites with contrasting exposure to the Dique channel freshwater plume: 1) Varadero reef close to the Dique channel mouth (10°18’23.3”N, 75°35’08.0”W), and 2) Rosario reef located 21 km southwest of Varadero, significantly less exposed to the turbid plume from the Dique channel (10°11'12.1"N, 75°44'43.0"W).</p>
<p>To estimate the potential negative effect of perturbing the optical properties of water and light penetration on coral survival, we performed ecological surveys of Orbicella spp. populations. Populations were sampled along the whole depth range at which <em>Orbicella</em> spp. were observed. Random dives near the experimental sites allowed us to define the depth limits of distribution. The number of colonies of each species was recorded on 10x1 m belt transects deployed perpendicular to the reef slope at six depths in Varadero (2, 3, 4.5, 6, 7.5 and 9m) and eight in Rosario (3, 5, 7, 9, 13, 17, 21 and 25m). Colony size (length D1, wide D2 and height H, in centimeters) and percentage of mortality (both recent and old mortality, using the AGRAA protocol) were also recorded at all transects.</p>
<p>A diving computer Leonardo Cressi Sub was used to determine the depths of surveys. A 50m measuring tape was used to determine the length of the belt transect. A 1m PVC pipe carried by the diver was used to determine the width of each transect.</p></div>
Reciprocal transplant expt. - ecological survey, 2017
<div><p>This dataset contains the primary data of the bathymetric survey of three species of the Orbicella complex (Orbicella annularis, O. faveolata and O. franksi). The surveys were performed in two donor sites of a reciprocal transplant experiment: Varadero and Punta Brava. The number of colonies and some physiological traits recorded on a belt transect deployed perpendicular to the reef slope at a series of depths are reported.</p>
<p>The number of colonies of each species was recorded on a 50x1m belt transect deployed perpendicular to the reef slope at a series of depths. Six depths were assessed in Varadero (2, 3, 4.5, 6, 7.5 and 9m) and eight in Rosario (3, 5, 7, 9, 13, 17, 21 and 25m). The colony size (minimum and maximum diameter and height in cm) and percentage of old mortality and recent mortality of all Orbicella colonies encountered within the transect are reported.</p>
<p>These data were used in the manuscript “Degradation of the underwater light environment: physiological and ecological consequences for reef corals” submitted to the Journal Nature Communications Biology. [under review, 2019-12-28]</p></div>
Reciprocal transplant expt. - ecological survey
<div><p><strong>BCO-DMO Processing Notes:</strong><br />
- added conventional header with dataset name, PI name, version date<br />
- modified parameter names to conform with BCO-DMO naming conventions<br />
- blank values were replaced with no data value 'nd'</p></div>
786632
Reciprocal transplant expt. - ecological survey
2020-01-09T09:08:32-05:00
2020-01-09T09:08:32-05:00
2023-07-07T16:10:26-04:00
urn:bcodmo:dataset:786632
Coral colony sizes and conditions, of three species of the Orbicella complex (Orbicella annularis, O. faveolata and O. franksi) in two donor sites of a reciprocal transplant experiment, Varadero and Punta Brava, 2017
This dataset contains the primary data of the bathymetric survey of three species of the Orbicella complex (Orbicella annularis, O. faveolata and O. franksi). The surveys were performed in two donor sites of a reciprocal transplant experiment: Varadero and Punta Brava. The number of colonies and some physiological traits recorded on a belt transect deployed perpendicular to the reef slope at a series of depths are reported.
false
Medina, M., Iglesias-Prieto, R. (2020) Coral colony sizes and conditions, of three species of the Orbicella complex (Orbicella annularis, O. faveolata and O. franksi) in two donor sites of a reciprocal transplant experiment, Varadero and Punta Brava, 2017. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2020-01-09 [if applicable, indicate subset used]. doi:10.1575/1912/bco-dmo.786632.1 [access date]
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10.1575/1912/bco-dmo.786632.1
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2020-01-09
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