{"key":"39e1a4a8-204e-40f3-ac5a-a1bc1b4dae1d","installationKey":"e63134cb-f4eb-4f09-85c6-bdbb2f56e722","publishingOrganizationKey":"f0d23bad-fee1-435d-bdb6-d26a600cad62","doi":"10.15468/z5qrz2","external":false,"numConstituents":0,"type":"SAMPLING_EVENT","title":"Macrofauna on mineral-rich substrates in the Southern California Borderland","description":"\n            The project examined the effects of substrate type, water depth, oxygen, temperature and proximity to shore for macrofaunal invertebrates inhabiting mineral-rich hardgrounds in the southern California Borderland, USA.  Rocks were collected individually in isolated compartments by the Hercules and SuBastian ROVs. A total of 3,555 macrofauna individuals were counted, and 416 different morphospecies (excluding encrusting bryozoans and hydrozoans) were identified from 82 rocks at depths between 231 and 2,688 m. Details are provided in Guraieb M, Mendoza G, Mizell K, Rouse G, McCarthy RA, Pereira OS, Levin LA. 2024. Deep-ocean macrofaunal assemblages on ferromanganese and phosphorite-rich substrates in the Southern California Borderland. Some of the specimens reside in the Scripps Institution of Oceanography Benthic Invertebrate Collection. This research was supported by NOAA OER awards NA19OAR110305 and NA23OAR0110520. The Ocean Exploration Trust and the Schmidt Ocean Institute funded additional ship time. Our research benefited immensely from the expertise of taxonomic specialists Oliver Ashford, Tim O’Hara, and Charlotte Seid, who played crucial roles in identifying specimens. Additionally, we acknowledge Ailish Ullman, Ximena Flores, and Ana Patricia Galindo for their important contributions in the laboratory; and Devin Vlach for his contributions aboard R/V Falkor and E/V Nautilus. This work would not have been possible without the collective efforts and dedication of all involved.\n        ","language":"eng","citation":{"text":"Levin L, Guraieb M, Mendoza G, Ullman A (2026). Macrofauna on mineral-rich substrates in the Southern California Borderland. Deep-sea OBIS node. 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