Fisheries hydroacoustics at the Pacific Biological Station in Nanaimo, BC

Authors

  • R. Kieser Pacific Biol. Station, Dept. of Fisheries & Oceans, Nanaimo, BC, Canada

Keywords:

oceanographic techniques, sonar, underwater sound, hydroacoustics, fishes, plankton, underwater remote sensing, echo integration, Pacific hake, salmon

Abstract

Hydroacoustic methods provide an important tool to detect and assess fishes and plankton. A variety of powerful acoustic devices are now in general use by fishermen, managers and scientists. Their success is based on several fundamental principles which make underwater remote sensing of biological parameters possible. A number of acoustic techniques, routinely used at the Pacific Biological Station in Nanaimo are briefly described. An echo integration survey of Pacific hake and an experiment that compares a visual and an acoustic count of salmon are used as illustrations

Additional Files

Published

1984-10-01

How to Cite

1.
Kieser R. Fisheries hydroacoustics at the Pacific Biological Station in Nanaimo, BC. Canadian Acoustics [Internet]. 1984 Oct. 1 [cited 2024 Apr. 19];12(4):26-3. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/532

Issue

Vol. 12 No. 4 (1984)

Section

Technical Articles

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