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An Acoustic Archival Tag for Long-Range Tracking Of Small Fishes

Author

Listed:
  • Fischer G

    (Department of Electrical Engineering, University of Rhode Island, USA)

  • Rossby T

    (Graduate School of Oceanography, University of Rhode Island, USA)

Abstract

This mini review describes the development of an acoustic tag for long-range (tens to hundreds of kilometers) tracking of small fishes or other marine animals. Tracking is achieved by standard RAFOS triangulation using the arrival times of unique sound signals emitted by moored sources. The tag also records temperature and pressure. All functions of the tag are controlled by an application specific microchip. The collected acoustic and sensor data are stored in a non-volatile memory. A cylindrical hydrophone of 25.4mm length and 10.7mm diameter also serves as housing for all electronic components. Power is provided by 2 button cell batteries, which enable an active tag lifetime of approximately two years.

Suggested Citation

  • Fischer G & Rossby T, 2018. "An Acoustic Archival Tag for Long-Range Tracking Of Small Fishes," Oceanography & Fisheries Open Access Journal, Juniper Publishers Inc., vol. 7(2), pages 29-30, April.
    • Handle: RePEc:adp:jofoaj:v:7:y:2018:i:2:p:29-30
    DOI: 10.19080/OFOAJ.2018.07.555707
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