Dataset: Pushcore macrofaunal community from samples collected at methane seeps off Southern California with the HOV Alvin from July 16-27, 2023 during R/V Atlantis cruise AT50-12

ValidatedRelease Date:2025-07-28Final no updates expectedDOI: 10.26008/1912/bco-dmo.945703.1Version 1 (2024-02-07)Dataset Type:Cruise ResultsDataset Type:Other Field Results

Principal Investigator: Lisa A. Levin (University of California-San Diego Scripps)

Scientist: María Emilia Emilia Bravo (Instituto Argentino de Oceanografía)

Student: Olívia Soares Pereira (University of California-San Diego Scripps)

BCO-DMO Data Manager: Audrey Mickle (Woods Hole Oceanographic Institution)


Project: Collaborative Research: Redefining the footprint of deep ocean methane seepage for benthic ecosystems (Methanosphere)


Abstract

Pushcore and rocks were collected at methane seeps off Southern California with the HOV Alvin from July 16-27, 2023 during R/V Atlantis cruise AT50-12 for macrofaunal analyses. This dataset provides macrofaunal community composition of pushcore samples.

Pushcore samples were collected with HOV Alvin using the manipulator. Samples were sliced into 0-1, 1-2, 2-5, and 5-10 cm sections and preserved in formaldehyde 8%.


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