ACOUSTICS UNPACKED

A General Guide for Deriving Abundance Estimates from Hydroacoustic Data

 

 

 

 

 

 

 

 

 

 

 

 

 

Survey Protocols

 

Conditions for data collection

Data management and recordng

Environmental data collection

Stationary sounding

Target identification

  • Trawling
  •      Gear requirements
  •      Frequency, location, and timing
  •      Catch processing
  • Underwater video

System performance and data quality

  • Noise
  • Degradation
  • Diagnosis of system performance