Cruise inventory

FRV Clupea 2/72

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier2/72
Cruise period1972-02-14 — 1972-04-15
StatusCompleted
Port of departureAberdeen, United Kingdom
PurposeResearch
Objectives1. To carry out a herring egg survey of Ballantrae Bank.
2. To survey the area for herring larvae and assess larval production.
3. To sample herring concentrations in the Ballantrae Bank area.
4. To make tests with the Digital Sonar equipment.
5. To lay and recover current meter moorings.
6. To carry out a programme of hydrographic and plankton sampling in the Clyde estuary.
Chief scientistIan G Baxter (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 2/72 cruise report cl2_72.pdf — access key 'C' (0.07 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
SpecificClyde Sea and Ballantrae Bank
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 38
Description: 2 with S only
Current metersDescription: 6 days
Chemical oceanography 
OxygenQuantity: 38
PhosphateQuantity: 38
NitrateQuantity: 38
SilicateQuantity: 37
Biology and fisheries 
ZooplanktonQuantity: 32
Eggs and larvaeQuantity: 312
Description: Ballantrae Bank
Mammals and reptiles
Pelagic fishQuantity: number of hauls = 18
Other biological/fisheries measurementQuantity: 14
Description: biological pollutants