Gå til hovedinnhold


Figure 8.5 – images from video later in haul 01 at higher catch densities [19:50:21]: a) position 6oF, below the BRS escape opening, shows a very substantial number of blue whiting escaping; while b) position 2oF, outside the bottom opening in the FRS, shows fewer blue whiting escapes. For comparison, the escape rate from the bottom opening in the FRS (position 2oF) at this time was approximately 30 fish per minute, but it was difficult to differentiate between fish exiting via the BRS and FRS, so this estimate could be less. Unfortunately, there was no video available inside the BRS at this time, because the camera at position 9iB stop recording at 18:46:10.
Figur file_html_55dc7f2ed1fd6ee0.png