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Spatial and temporal variations of meiofaunal communities from the western sector of the Gulf of Batabanó, Cuba: III. Vertical distribution
Armenteros, M.; Williams, J.P.; Creagh, B.; Capetillo, N. (2008). Spatial and temporal variations of meiofaunal communities from the western sector of the Gulf of Batabanó, Cuba: III. Vertical distribution. Rev. Biol. Trop. 56(1): 1127-1134
In: Revista de Biología Tropical. Universidad de Costa Rica: San José. ISSN 0034-7744, more
Peer reviewed article

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Keywords
    Mangroves; Meiofauna; Mudflats; Vertical distribution; Marine

Authors  Top 
  • Armenteros, M., more
  • Williams, J.P.
  • Creagh, B.
  • Capetillo, N.

Abstract
    The vertical distribution of meiofauna within subtidal sediments was studied in four stations pertaining to mangrove or muddy flats habitats. In 2003, replicated samples were taken in dry (February) and wet (July) seasons at the Bacunagua Inlet, southwestern coast of Cuba. The abundance and number of meiofaunal taxa exhibited a vertical gradient possibly due to changes in the concentrations of oxygen and hydrogen sulphide, rather than food availability along this gradient. Nematodes are capable of distributing themselves throughout the whole sediment column due to their ability to tolerate reducing conditions; however depletion of communities along depth was evident. Their presence in deeper sediments (6 - 10 cm) suggests that certain species are adequately adapted to spend their entire Copepods showed a strong limitation to vertical distribution (concentrating in the top 2 cm), possibly in response to a sharp vertical decline in oxygenation within these organically enriched sediments.

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