Cruise summary report
|Ship name||Heathery Brae|
|Cruise period||1990-07-29 — 1990-08-25|
|Port of departure||Gairloch, United Kingdom|
1. To investigate survival rates (in underwater cages) of cod, haddock and whiting escaping from cod ends of 90mm x 120 round, 90mm x 100 meshes round and 90mm with an 80mm square mesh top panel.
2. To obtain selectivity data for each cod-end.
3. To lift all the underwater cages and clear the site and distribute live fish for other projects.
|Chief scientist||John Main (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)|
|Cruise report||(0.10 MB)|
|General||Inner Seas off the West Coast of Scotland|
|Biology and fisheries|
|Demersal fish||Quantity: activity duration in days = 7|
Description: During the 1st week haddock, whiting and codling were caught on handlines and kept in cages as controls for the experiment.
|Demersal fish||Quantity: number of hauls = 1|
Description: Extra hauls had to be made to boost the number of codling needed for the cage experiments. No. of hauls not specified.
|Demersal fish||Quantity: activity duration in days = 11|
Description: Within this period small haddock, whiting and codling were taken. Fish escaping the codend mesh were retained for survival experiments.