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Physiology and toxicity data from studies of coral exposed to oil and dispersant, laboratory experiment conducted on the R/V Nautilus (NA028), June 21 to July 5, 2013

Authors: Erik Cordes
Published On: Nov 07 2016 14:49 UTC
DOI: https://doi.org/10.7266/N79021T4
UDI: R1.x132.136:0005
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Project Information

Funded By:
Gulf of Mexico Research Initiative

Funding Cycle:
RFP-I

Research Group:
Ecosystem Impacts of Oil and Gas Inputs to the Gulf (ECOGIG)

Point of Contact

Erik E. Cordes
Temple University / Biology Department
ecordes@temple.edu

Theme keywords

Callogorgia americana, Paramuricea biscaya, Leiopathes glaberrima, cold water corals, Corals, Oil Spill, Dispersants, Deep Sea, DeepWater Horizon, AT357, DC673, MC118, MC294, MC297, MC328, MC388, VK826, VK906

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Abstract:

Physiological and toxicological studies of deep sea corals and sponges (Callogorgia, Leiopthes, Paramuricea) with respect to exposure to dispersants and oil contamination and other related factors. Coral samples collected at BOEM lease blocks AT357, DC673, MC118, MC294, MC297, MC328, MC388, VK826, VK906 at depths ranging from 2600 to 390 meters. Sample locations include sites both with and without cold seeps. All samples were collected during Nautilus cruise 028, June 21 - July 5, 2013.

Suggested Citation:

Erik Cordes. 2016. Physiology and toxicity data from studies of coral exposed to oil and dispersant, laboratory experiment conducted on the R/V Nautilus (NA028), June 21 to July 5, 2013. Distributed by: GRIIDC, Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/N79021T4

Publications:

DeLeo, D. M., Ruiz-Ramos, D. V., Baums, I. B., & Cordes, E. E. (2015). Response of deep-water corals to oil and chemical dispersant exposure. Deep Sea Research Part II: Topical Studies in Oceanography. doi:10.1016/j.dsr2.2015.02.028

Purpose:

The purpose of this study was to further investigate the impacts of water-accommodated oil fractions and oil dispersant on three species of abundant, long-lived cold-water corals (which help promote benthic biodiversity in the Gulf of Mexico).

Data Parameters and Units:

Exposure concentrations [Oil (mu-M) 50, 150, 250; Dispersant (mg/L) 79, 237, 395] of [Control, Oil and Dispersant, Oil] and associated health ratings [0 = health, 1 = nearly dead, 2 = compromised, 3 = below average, 4 = nearly healthy, 5 = healthy] of each coral species [Callogorgia americana, Leipathes glaberrima, Paramuricea biscaya] with respect to survival and condition in each treatment over time (hours) [24, 48, 72, 96]. Additional parameters for Leipathes glaberrima: Particles on bottom (count), Polyps on bottom?, Polyps extended (%), Polyps retracted (%), Polyps inflated (count), mucus spots (count), Mucus balls (count), cloudy water?, Tissue retracting from skeleton?, Polyps disintegrating?, Comments.

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