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Zooplankton Biomass and Size Estimation Using a Multi-frequency Acoustic System

고주파 다주파 음향시스템을 이용한 동물성 플랑크톤의 크기별 생물량 추정

  • Hwang, Bo-Kyu (RCOID, Research Center for Ocean Industrial Development, Pukyong National University)
  • 황보규 (부경대학교 산업개발연구소)
  • Published : 2008.02.29

Abstract

High- and multi-frequency acoustic systems can measure a zooplankton patch successively and estimate the spatial distribution and abundance of zooplankton according to size using a multi-frequency inversion (MFI) method. This study measured zooplankton distribution to a depth of 150m using a multi-frequency acoustic system (TAPS-6), installed on a CTD system with a fluorometer and analyzed it using the MFI method. Simultaneously, zooplankton samples were collected by north pacific standard (NORPAC) net to confirm the species composition. The results showed that the combined method is valuable for estimating the zooplankton profile in detail and investigating the relationship between the zooplankton and phytoplankton profiles.

Keywords

References

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