FRV Clupea 0782C
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1982-08-15 — 1982-08-31|
|Port of departure||Aberdeen, United Kingdom|
|Port of return||Buckie, United Kingdom|
|Objectives||1. To commission the new winch for the RCB.
2. To film with the RCB the comparative escape rate of small fish from a diamond and square mesh codend.
3. To compare drag characteristics, using instrumentation, of a typical diamond mesh trawl with that of the same trawl with one third of its twine area in square mesh.
4. To film and observe with the RCB a rockhopper groundgear traversing smooth and rough ground.
5. To film with the RCB contrast characteristics of a trawl constructed with alternative rows of black and white netting.
|Chief scientist||Jack H B Robertson (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Cruise report||(0.12 MB)|
|Biology and fisheries|
|Other biological/fisheries measurement||Quantity: activity duration in hours = 17|
Description: observation of small haddock escaping from the 90mm diamond.