NOAA Protocols for Fisheries Acoustics Surveys and Related ...

Acoustic Data...................................................................................................... 117
Biological Data................................................................................................... 118
Oceanographic Data........................................................................................... 118
Protocol 3 – Target Strength (σ i )............................................................. 118
Models..................................................................................................................... 118
Techniques .......................................................................................................... 119
Validation –..................................................................................................... 119
Error ................................................................................................................... 119
Considerations .................................................................................................... 120
Remediation – ................................................................................................. 120
Improvements – .............................................................................................. 120
Data Collection ....................................................................................................... 120
Detection Probability .............................................................................................. 120
Classification........................................................................................................... 120
Performance Degradation ....................................................................................... 120
Protocol 4 – Sampling (A i , D i ) .................................................................. 121
Survey Design (A i ).................................................................................................. 121
Definition & Importance..................................................................................... 121
Techniques .......................................................................................................... 121
Error ................................................................................................................... 123
Uncertainty, random, systematic –.................................................................. 123
Considerations .................................................................................................... 123
Remediation – ................................................................................................. 123
Improvements – .............................................................................................. 124
Numerical Density to Biomass Density (D i )........................................................... 124
Definition & Importance..................................................................................... 124
Techniques .......................................................................................................... 124
Error ................................................................................................................... 125
Considerations .................................................................................................... 125
Remediation – ................................................................................................. 125
Oceanographic Data................................................................................................ 125
Definition & Importance..................................................................................... 125
Techniques .......................................................................................................... 126
Error ................................................................................................................... 126
Considerations .................................................................................................... 126
Remediation – ................................................................................................. 126
Improvements – .............................................................................................. 126
References .................................................................................................. 126
106