Table of Contents
Can we get a correct 'on deck' representation of marine life?
In future - is real sampling needed?
Will talk about
Some generalities
Trawl functionality
What are the critical phases during bottom trawl sampling?
Pre vessel -Propeller noise
Vessel/door - Propeller noise Horizontal avoidance
PPT Slide
Vertical herding
Warps
Doors - sweeps
Sweeps
Trawl
Mesh selection
Abundance estimation I
Size and species selection
Standardisation
Geometry and performance
Trawl instrumentation
PPT Slide
Warp, depth
ITI Trawl System
Strapping I Standardize door spread under all conditions
Strapping II
Development and standardisation
Future development
Multisampler
Static gears
Area coverage of passive gears
Static gears
Gear sampling and goals
Future - combination of data
PPT Slide
EYB - and instrument to quantify avoidance
PPT Slide
Compass
PPT Slide
Sonar observations from trawl Density distribution of fish in the trawl opening
The answer on the initial question is NO! |
