Browsing Brage IMR by Author "Watkins, Jonathan L."

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    • Target strengths of Antarctic krill 

      Foote, Kenneth G.; Everson, Inigo; Bone, Douglas G.; Watkins, Jonathan L. (Others, 1989)

    • Target strengths of Antarctic krill (Euphausia superba) at 38 and 120 kHz 

      Foote, Kenneth G.; Everson, Inigo; Watkins, Jonathan L.; Bone, Douglas G. (Journal article; Peer reviewed, 1990)
      Encaged aggregations of live krill in good to pristine condition have been ensonified at 38 and 120 kHz. Concurrent underwater television observations of behavior resemble those made by underwater divers in naturally ...

    • Target strengths of Antartic krill (Euphausia superba) 

      Everson, Inigo; Bone, Douglas G.; Watkins, Jonathan L.; Foote, Kenneth G. (ICES CM Documents;1988/B:6, Working paper, 1988)
      Encaged aggregations of swimming krill have been measured at 38 and 120 kHz. The results indicate that the target strength values are substantially lower than previously assumed.