RV Ernest Holt 5/68

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Ernest Holt (74EH)
Cruise identifier5/68
Cruise period1968-05-30 — 1968-06-20
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
Objectives1. To tag cod in the "West of Scotland" area, from Muckle Flugga to Northern Ireland.
2. To tag other gadoids, particularly coalfish and haddock.
3. To measure the relative abundance of blue whiting and hake when caught
4. To carry out handling trials of the modified Boothbay net and to calibrate for warp length/depth/speed ratios.
5. To continue underwater camera trials with cameras mounted on the trawl
6. To try to catch hake after dark with the Engels trawl.
7. To obtain blood samples for Dr. Jamieson and cod flesh samples for Dr. Walker.
Chief scientistR W Blacker (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Ernest Holt 5/68 cruise report ernest_holt05_68.pdf (0.24 MB) 
Ocean/sea areas 
GeneralNorth Sea
Physical oceanography 
Surface measurements underway (T,S)Description: T only
Routine standard measurements