FRV Clupea 0390C_3
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1990-03-26 — 1990-04-06|
|Port of departure||Ardrossan, United Kingdom|
|Port of return||Greenock, United Kingdom|
|Objectives||1. To carry out egg surveys on Ballantrae Bank using a "Day" grab, ROV "Sea-pup" and divers to map the extent of egg deposition and to obtain quantitative samples for analysis.
2. To use the trawl to sample herring present on the Bank to obtain data on the age structure of the spawning stock.
3. To deploy a time-lapse camera on the bottom in an area in which herring were likely to spawn.
|Chief scientist||John A Morrison (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)|
|Cruise report||(0.07 MB)|
|Specific||Firth of Clyde|
|Biology and fisheries|
|Other biological/fisheries measurement||Description: diver survey for eggs|
|Geology and geophysics|
|Grab||Quantity: number of stations = 342|
Description: Sediment grabs
|Bottom photography||Description: rov and cameras|
|Long/short range side scan sonar||Description: sidescan sonar|
|Other geological/geophysical measurements||Description: diver survey|