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Amon DJ, Ziegler AF, Drazen JC, et al. Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca. Biodivers Data J. 2017;(5):e14598doi: 10.3897/BDJ.5.e14598.
Amon, D. J., Ziegler, A. F., Drazen, J. C., Grischenko, A. V., Leitner, A. B., Lindsay, D. J., Voight, J. R., Wicksten, M. K., Young, C. M., & Smith, C. R. (2017). Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca. Biodiversity data journal, (5), e14598. https://doi.org/10.3897/BDJ.5.e14598
Amon, Diva J, et al. "Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca." Biodiversity data journal vol. ,5 (2017): e14598. doi: https://doi.org/10.3897/BDJ.5.e14598
Amon DJ, Ziegler AF, Drazen JC, Grischenko AV, Leitner AB, Lindsay DJ, Voight JR, Wicksten MK, Young CM, Smith CR. Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca. Biodivers Data J. 2017 Aug 14;(5):e14598. doi: 10.3897/BDJ.5.e14598. eCollection 2017. PMID: 28874906; PMCID: PMC5565845.
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Biodivers Data J. 2017 Aug 14;(5):e14598. doi: 10.3897/BDJ.5.e14598. eCollection 2017.

Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca.

Biodiversity data journal

Diva J Amon, Amanda F Ziegler, Jeffrey C Drazen, Andrei V Grischenko, Astrid B Leitner, Dhugal J Lindsay, Janet R Voight, Mary K Wicksten, Craig M Young, Craig R Smith

Affiliations

  1. University of Hawaii, Honolulu, United States of America.
  2. Perm State National Research University, Perm, Russia.
  3. Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan.
  4. The Field Museum, Chicago, United States of America.
  5. Texas A&M University, College Station, United States of America.
  6. Oregon Institute of Marine Biology, University of Oregon, Charleston, United States of America.

PMID: 28874906 PMCID: PMC5565845 DOI: 10.3897/BDJ.5.e14598

Abstract

BACKGROUND: There is growing interest in mining polymetallic nodules from the abyssal Clarion-Clipperton Zone (CCZ) in the tropical Pacific Ocean. Despite having been the focus of environmental studies for decades, the benthic megafauna of the CCZ remain poorly known. To predict and manage the environmental impacts of mining in the CCZ, baseline knowledge of the megafauna is essential. The ABYSSLINE Project has conducted benthic biological baseline surveys in the UK Seabed Resources Ltd polymetallic-nodule exploration contract area (UK-1). Prior to ABYSSLINE research cruises in 2013 and 2015, no biological studies had been done in this area of the eastern CCZ.

NEW INFORMATION: Using a Remotely Operated Vehicle and Autonomous Underwater Vehicle (as well as several other pieces of equipment), the megafauna within the UK Seabed Resources Ltd exploration contract area (UK-1) and at a site ~250 km east of the UK-1 area were surveyed, allowing us to make the first estimates of megafaunal morphospecies richness from the imagery collected. Here, we present an atlas of the abyssal annelid, arthropod, bryozoan, chordate, ctenophore and molluscan megafauna observed and collected during the ABYSSLINE cruises to the UK-1 polymetallic-nodule exploration contract area in the CCZ. There appear to be at least 55 distinct morphospecies (8 Annelida, 12 Arthropoda, 4 Bryozoa, 22 Chordata, 5 Ctenophora, and 4 Mollusca) identified mostly by morphology but also using molecular barcoding for a limited number of animals that were collected. This atlas will aid the synthesis of megafaunal presence/absence data collected by contractors, scientists and other stakeholders undertaking work in the CCZ, ultimately helping to decipher the biogeography of the megafauna in this threatened habitat.

Keywords: Clarion-Clipperton Zone; atlas; deep-sea mining; megafauna; polymetallic nodule

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