Dataset: Effect of distance between coral lesions on tissue regeneration and skeletal growth at two sites on the backreef on either side of Cook’s Bay in Moorea, French Polynesia from May, 2012 through July, 2012

ValidatedFinal no updates expectedDOI: 10.1575/1912/bco-dmo.777110.1Version 1 (2019-09-19)Dataset Type:Other Field Results

Principal Investigator: Elizabeth Hamman (University of Georgia)

Contact: Rebecca Atkins (University of Georgia)

BCO-DMO Data Manager: Mathew Biddle (Woods Hole Oceanographic Institution)


Project: Spatial patterns of coral-vermetid interactions: short-term effects and long-term consequences (Vermetids_Corals)


Abstract

Experimental corals were artificially damaged using a waterpik with lesion centroids separated by 1.2cm, 3.5cm, and 6cm (or no damage for the control), and buoyantly weighed. After 20 and 39 days, corals were re-weighed to determine buoyant mass and skeletal growth. Coral lesions were also photographed and images analyzed to assess the % of lesion with regenerated tissue.

Experimental corals were artificially damaged using a waterpik with lesion centroids separated by 1.2cm, 3.5cm, and 6cm (or no damage for the control), and buoyantly weighed.  After 20 and 39 days, corals were re-weighed to determine buoyant mass and skeletal growth.  Coral lesions were also photographed and images analyzed to assess the % of lesion with regenerated tissue. Buoyant weight was determined by hanging the coral beneath a balance suspended in seawater and using equations factoring in skeletal density, seawater temperature, and a reference weight to determine the skeletal weight.


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Methods

Davies, P.S. (1989). Short-term growth measurements of corals using an accurate buoyant weighing technique. Marine Biology, 101(3), 389–395. doi:10.1007/bf00428135