What is our research to date?
- Capture
- (A) Variations in density/CPUE
- Analysis of catches
- Recreational
- Commercial
- Analysis of catches
- (A) Variations in density/CPUE
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- Surveys--missing the data from NOAA
- Active
- Passive
- Surveys--missing the data from NOAA
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- (B) Marks and tags
- Natural marks
- Parasites
- Morphology
- Biochemical
- Genetic
- Trace elements, isotopes, fatty acids
- Natural marks
- (B) Marks and tags
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- Synthetic
- Marks
- Dyes
- Mutilation
- Brands
- Tattoo
- Marks
- Synthetic
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- Tags
- External
- Disc
- Stream
- External
- Tags
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- Internal
- Coded wire
- Internal
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- Electronic
- Passive transponders
- Archival tags
- Battery-powered transmitters
- LF radio
- VHF/UHF radio
- Acoustic
- Electronic
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- Non capture
- © Visual observation
- Direct
- Shore
- Boat
- Diving
- Direct
- © Visual observation
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- Remote
- CCTV
- Video
- ROVs (person driving it remotely)
- Fish Counters
- Video/optical arrays
- Image analysis
- Remote
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- (D) Electric currents
- Resistivity fish counters
- Detection of bioelectric outputs
- (D) Electric currents
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- (E) Hydroacoustics (SONAR--Sound Navigation and Ranging)
- Active (artificial radiation/reflection)
- Vertical/Horizontal beams
- Mobile
- Fixed
- Vertical/Horizontal beams
- Active (artificial radiation/reflection)
- (E) Hydroacoustics (SONAR--Sound Navigation and Ranging)
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- Single/double beam
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- Passive
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Where is our research going/What's next?
- Apply freshwater techniques to salt water
- Robotics
- Smart/electronic tags
- Tags transmit data to satellites => good for migratory fish