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    Vertical distribution and migration of euphausiid species in the Red Sea

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    Wiebe_etal_RedSeaEuphausiid_JPR_Revised.pdf
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    Type
    Article
    Authors
    Wiebe, Peter H.
    Bucklin, Ann
    Kaartvedt, Stein cc
    Røstad, Anders cc
    Blanco-Bercial, Leocadio
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Office of the VP
    Red Sea Research Center (RSRC)
    Date
    2016-06-01
    Online Publication Date
    2016-06-01
    Print Publication Date
    2016-08
    Permanent link to this record
    http://hdl.handle.net/10754/614822
    
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    Abstract
    We addressed how the extreme environmental conditions of the Red Sea impact or alter patterns of vertical distribution and vertical migration of five euphausiid species that are known from other oceans. Euphausia diomedeae was abundant and performed diel vertical migration (DVM) from >200 m in daytime to <100 m at night, similar to its pattern in other ocean regions. Euphausia sibogae and Euphausia sanzoi also showed consistent patterns of DVM across their ranges in the Red Sea and elsewhere. Two species, Stylocheiron affine and Stylocheiron abbreviatum, did not exhibit DVM. DNA barcode sequences for mitochondrial cytochrome oxidase I (COI) were used to confirm species identifications for four species (no previous barcode data exist for E. sanzoi). COI sequence differences averaged 2.8% (SD 3.1%) within species and 16.6% (SD 0.7%) between species, similar to previous studies of euphausiids. Red Sea specimens of S. affine matched morphological descriptions of a western equatorial form and differed 14% from Atlantic and Pacific specimens, suggesting possible cryptic species-level variation within this taxon. Widely distributed species of zooplankton may exhibit broad tolerance ranges for key environmental variables, and have considerable potential to adapt to variable and changing conditions across their geographic range.
    Citation
    Vertical distribution and migration of euphausiid species in the Red Sea 2016 Journal of Plankton Research
    Publisher
    Oxford University Press (OUP)
    Journal
    Journal of Plankton Research
    DOI
    10.1093/plankt/fbw038
    Additional Links
    http://www.plankt.oxfordjournals.org/lookup/doi/10.1093/plankt/fbw038
    ae974a485f413a2113503eed53cd6c53
    10.1093/plankt/fbw038
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Red Sea Research Center (RSRC); Marine Science Program

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