Abstract
This dataset contains benthic infauna data from sediment cores collected aboard R/V Justo Sierra cruise JS-0815 in the southern Gulf of Mexico from 2015-08-03 to 2015-08-06. Samples were collected with multiple corers from 7 stations around the original Ixtoc-1 wellhead. Organisms were identified taxonomically, and their abundance was determined. Taxonomic richness, diversity, and evenness were calculated. The samples were analyzed to test for differences between stations and to estimate the recovery rate of the benthic community after an oil spill. Organisms were identified taxonomically. The dataset contains the location, date and hydrographic conditions at the sampling collection site; average meiofauna and macrofauna taxa abundance per replicate-section; and calculations for infauna abundance, diversity, richness and evenness. The total concentration of polycyclic aromatic hydrocarbon (PAHs) for the core sections and cores was included. Additional information about the hydrocarbon concentration in these sediment cores can be found under GRIIDC Unique Dataset Identifier (UDI) R4.x267.179:0024. The complete hydrographic dataset related to these sediment cores can be found under GRIIDC UDI R4.x267.179:0019. The cruise documentation was provided for the R/V Justo Sierra cruise JS-0815. The cruise was led by chief scientists Dr. David Hollander and Dr. Patrick Schwing.
Purpose
The goal of this cruise was to characterize the distribution and fate of oiled sediment at sites on the continental shelf and slope of the southern Gulf of Mexico with reference to the Ixtoc blowout (1979-1980).
Keywords
Meiofauna, Macrofauna, Ixtoc, Oil Spill, abundance, diversity, richness, evenness, water column temperature, water column salinity, dissolved oxygen, polycyclic aromatic hydrocarbon (PAH), infauna, sediment cores
UDI
R4.x267.000:0116
Date
April 2019
Point of Contact
Name
Paul A. Montagna
Organization
Texas A&M University-Corpus Christi / The Harte Research Institute for Gulf of Mexico Studies
Name
Melissa Rohal Lupher
Organization
Texas Water Development Board
Funding Source
RFP-4
DOI
10.7266/n7-16vv-kd67
Rights Information
This work is licensed under a
Creative Commons Public Domain Dedication 1.0 License.
Scholar Commons Citation
Paul Montagna, Melissa Rohal. 2019. Benthic infauna data from sediment cores collected aboard R/V Justo Sierra cruise JS-0815 in the southern Gulf of Mexico from 2015-08-03 to 2015-08-06. Distributed by: Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC), Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/n7-16vv-kd67
Comments
Supplemental Information
Station Name, latitude (decimal degrees), longitude (decimal degrees), core collection depth (m), sampling date (dd-mm-yyyy), CTD depth (m), dissolved oxygen (DO, mg/L), temperature (degrees C), salinity (psu), station name, sediment core section depth (section, cm), section id (sec), replicate number (Rep), total PAH (ng/g), macrofauna abundance (Mac_nm2, n/m^2), macrofauna richness (Mac_S, n of taxa/sample), macrofauna diversity (Mac_Hprime, Shannon H'), macrofauna diversity (Mac_N1, Hill's N1), macrofauna evenness (Mac_Jprime, Pielou J'), meiofauna abundance (Mei_nm2, n/m^2), meiofauna richness (Mei_S, n of taxa/sample), meiofauna diversity (Mei_Hprime, Shannon H'), Meiofauna Diversity (Mei_N1, Hill's N1), Meiofauna Evenness (Mei_Jprime, Pielou J'), Total number of all Copepoda (n/m²), Total number of all Nematoda (n/m²), Total number of all Dorvilleidae (n/m²), Nematode / Copepod ratio (unitless), meiofauna and macrofaunal taxa abundance (n/m²). Please see the metadata sheet inside the dataset to find all the information regarding the taxa.|||||