KOPRI Repository

High density of ice krill (Euphausia crystallorophias) in the Amundsen sea coastal polynya, Antarctica

Cited 9 time in scopus
Metadata Downloads
Title
High density of ice krill (Euphausia crystallorophias) in the Amundsen sea coastal polynya, Antarctica
Authors
Lee, Hyungbeen
Shin, Hyoung Chul
Lee, Sang H.
Volker Siegel
Park, Jisoo
Angus Atkinson
Ha, Ho Kyung
Kang, Donhyug
Sophie Fielding
La, HyoungSul
Keywords
Acoustic data; Amundsen Sea; Coastal polynya; Ice krill(Euphausia crystallorophias); krill identification
Issue Date
2015
Citation
Lee, Hyungbeen, et al. 2015. "High density of ice krill (Euphausia crystallorophias) in the Amundsen sea coastal polynya, Antarctica". DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 95(1): 75-84.
Abstract
High densitiesoficekrill Euphausia crystallorophias wereobservedalongsixacoustictransectswithin the AmundsenSeaCoastalPolynya,Antarctica.Two-frequencyacousticbackscatterdatawasexamined in theaustralsummersofJanuary2011andFebruary2012.AdBidentification window(Sv120 38) identified icekrilldominatingtheacousticbackscatter.Thedensityoficekrill,calculatedwiththe stochastic distorted-wavebornapproximationmodel,rangedbetween4.5and30gwetmassm 2 for each transect(ameanof16gwetmassm 2 for alltransects),thesehighvaluesareanorderof magnitude higherthanrecordedpreviouslyintheRossSeaPolynya.Highdensitiesweredetectedalong the iceshelfandneartheboundarybetweenpackiceandcoastalpolynya,andwepostulatethatthese could beimportanthabitatsforicekrill.Thehighdensitiesobservedalongthetransectsmakeicekrilla potentiallyimportant,butpoorlyknowncontributortothesehigh-latitudeshelffoodwebs.
URI
http://repository.kopri.re.kr/handle/201206/7320
DOI
http://dx.doi.org/10.1016/j.dsr.2014.09.002
Files in This Item
General Conditions
      ROMEO Green
    Can archive pre-print and post-print or publisher's version/PDF
      ROMEO Blue
    Can archive post-print (ie final draft post-refereeing) or publisher's version/PDF
      ROMEO Yellow
    Can archive pre-print (ie pre-refereeing)
      ROMEO White
    Archiving not formally supported

    qrcode

    Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

    Browse