Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RV Ernest Holt 3/70

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Ernest Holt (74EH)
Cruise identifier3/70
Cruise period1970-04-01 — 1970-04-10
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
Objectives1. To make a trawl survey of plaice and dab populations.
2. To collect stomach contents of plaice and dabs.
3. To survey selected grounds using underwater cameras and Petersen
4. To collect gonad material from late spawning plaice and cod.
5. To collect cod and plaice blood and muscle samples for Fe-55 determination (Radiobiological Laboratory).
6. To collect cod livers for the Fish Pathology Unit (Weymouth).
7. To collect live starfish (Radiobiological Laboratory).
8. To collect live plaice for acoustic tag studies.
Chief scientistR W Blacker (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Ernest Holt 3/70 cruise report ernest_holt03_70.pdf — access key 'C' (0.15 MB) 
Ocean/sea areas 
GeneralNorth Sea
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 28
Description: for lab.studies
Occasional standard measurements
Geology and geophysics 
DredgeQuantity: number of deployments = 15
Description: Petersen grab - underwater camera pictures