Cruise Report : MDBC Expedition R/V Point Sur, May 31–June 11, 2022

Etnoyer, Peter; Frometa, Janessy; Salgado, Enrique; Will, Morgan

doi:10.25923/h61s-0752

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Cruise Report : MDBC Expedition R/V Point Sur, May 31–June 11, 2022

2023
By Etnoyer, Peter ; Frometa, Janessy ; Salgado, Enrique ; ...
Series: DWH MDBC Cruise Report 2023-02

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Personal Author:

Etnoyer, Peter ; Frometa, Janessy ; Salgado, Enrique ; Will, Morgan

Etnoyer, Peter ; Frometa, Janessy ; Salgado, Enrique ; Will, Morgan Less -
Corporate Authors:

United States. National Oceanic and Atmospheric Administration ; United States. National Ocean Service ; National Centers for Coastal Ocean Science (U.S.) ; Consolidated Safety Services-Dynamac ; College of Charleston

United States. National Oceanic and Atmospheric Administration ; United States. National Ocean Service ; National Centers for Coastal Ocean Science (U.S.) ; Consolidated Safety Services-Dynamac ; College of Charleston Less -
NOAA Program & Office:

NOS (National Ocean Service) ; ORR (Office of Response and Restoration) ; NCCOS (National Centers for Coastal Ocean Science) ; DWH (Deepwater Horizon) ; CoRIS (Coral Reef Information System)

NOS (National Ocean Service) ; ORR (Office of Response and Restoration) ; NCCOS (National Centers for Coastal Ocean Science) ; DWH (Deepwater Horizon) ; CoRIS (Coral Reef Information System) Less -
Description:

SALT is an acronym for Submerged Acquisition of Living Tissue. The SALT expeditions are generally designed to conduct scientific reconnaissance for deep coral restoration activity in the northern Gulf of Mexico (GoMx). SALT 1 took place in October 2021 (Etnoyer et al., 2022). This document reports on the SALT 2 expedition, which conducted remotely operated vehicle (ROV) operations in the northern GoMx using the ship R/V Point Sur with ROV Mohawk (University of North Carolina Wilmington) to survey reef- top features (50–100 m) in the Pinnacles Trend (Gardner et al., 2000; Nash and Randall, 2015). SALT 2 (Cruise ID PS-22-22) took place over ten days in fair weather from May 31–June 11. This work is in support of the Open Ocean Restoration Plan’s (Open Ocean Trustee Implementation Group, 2019) Mesophotic and Deep Benthic Communities (MDBC) portfolio, co-sponsored by the Coral Propagation Technique Development (CPT) and Habitat Assessment and Evaluation (HAE) projects. The work at sea is focused on visual surveys for habitat assessment, targeted sampling of coral biota, and characterization of the water column to support restoration. The list of participants is provided in Table 1.

The goals of the SALT 2 mission were to survey the seafloor and collect samples of corals for shoreside partners engaged in studies related to octocoral husbandry. The visual surveys were 300-m strip-transect lines conducted over hard and soft bottom habitats. The purpose of the surveys was to characterize habitat, identify sampling targets, and verify existing models of topography (Nash and Randall, 2015) and habitat suitability for corals (Silva and MacDonald, 2017). The purpose of the coral sampling was to support studies of biology for population genetics, microbiology, and reproduction. The primary species targets for population genetics were Swiftia exserta, Muricea pendula, and Thesea nivea. Secondary targets for barcoding were genera Bebryce, Thesea, Muriceides, Nicella, Placogorgia, and Villogorgia, all from mesophotic depths. No managed species of corals (black corals or scleractinians) were collected.
Content Notes:

New series name establishe previous series name DWH MDBC cruise report ; CR-23-02
Keywords:

[+]

Coral Reef Restoration Coral Reefs And Islands Deepwater Horizon (DWH) Oil Spill Mesophotic And Deep Benthic Communities (MDBC) Natural Resource Damage Assessment (NRDA)
Series:

DWH MDBC Cruise Report 2023-02
DOI:

https://doi.org/10.25923/h61s-0752
Format:

PDF
Document Type:

Cruise Report
Place as Subject:

Mexico, Gulf of
Name as Subject:

R/V Point Sur ; R/V Point Sur

R/V Point Sur ; R/V Point Sur Less -
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:5060b1f9991cc31daaaffd7cb99c39e2a508df1f3133e6cc418e606d53433f17
Download URL:

https://repository.library.noaa.gov/view/noaa/52094/noaa_52094_DS1.pdf
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Cruise Report : MDBC Expedition R/V Point Sur, May 31–June 11, 2022

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