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Deep-sea meiofauna assemblages with special reference to marine nematodes in the Caiwei Guyot and a Polymetallic Nodule Field in the Pacific Ocean
Zhao, M.; Liu, Q.; Zhang, D.; Liu, Z.; Wang, C.; Liu, X. (2020). Deep-sea meiofauna assemblages with special reference to marine nematodes in the Caiwei Guyot and a Polymetallic Nodule Field in the Pacific Ocean. Mar. Pollut. Bull. 160: 111564. https://dx.doi.org/10.1016/j.marpolbul.2020.111564
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Nematoda [WoRMS]
    Marien/Kust
Author keywords
    Deep sea; Meiofauna; Marine nematode; Pacific Ocean; Caiwei Guyot; Polymetallic Nodule Field
Auteurs  Top 
  • Zhao, M.
  • Liu, Q.
  • Zhang, D.
  • Liu, Z.
  • Wang, C.
  • Liu, X.
Abstract
    Meiofauna particularly marine nematodes around the Caiwei Guyot in the northwest Pacific Ocean and a Polymetallic Nodule Field in the northeast Pacific Ocean were studied. Due to the geographic structure, the Caiwei Guyot and the Polymetallic Nodule Field had different environmental characteristics. Meiofaunal abundances around the Guyot area ranged from 9.18 to 25.59 ind./10 cm2, which were much lower than those in the Polymetallic Nodule Field. Marine nematode was the most dominant group. A total of 123 species, belonging to 74 genera and 29 families were found. Xyalidae (21.43%), Cyatholaimidae (9.82%), Linhomoeidae (8.03%) were the dominant families. The values of species number, Margalef's species richness and Shannon-Wiener diversity index ranged from 15 to 62, 4.75 to 12.84 and 2.58 to 3.93, respectively. The combination of water depth, silt-clay content and chlorophyll-a concentration can best explain the differences of nematode community. This study provides a baseline for deep-sea meiofauna distribution.
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