FRV Clupea 0490C
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1990-04-16 — 1990-04-25|
|Port of departure||Greenock, United Kingdom|
|Port of return||Ardrossan, United Kingdom|
|Objectives||1. To carry out egg surveys on Ballantrae Bank and other areas using a "Day" grab, ROV "Sea-pup" and divers to map the extent of egg deposition and to obtain quantitative samples for subsequent analysis.
2. To use a side-scan sonar to provide a structured image of the sea bed in relevant areas of Ballantrae Bank or South Arran.
3. To carry out larval surveys on Ballantrae Bank in an attempt to relate egg numbers, egg mortality rates and larval production.
4. To lift, service and re-deploy a time lapse camera laid during a previous cruise.
5. To test out a commercial ROV.
|Chief scientist||John A Morrison (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)|
|Cruise report||(0.09 MB)|
|General||Inner Seas off the West Coast of Scotland|
|Specific||Firth of Clyde|
|Biology and fisheries|
|Other biological/fisheries measurement||Description: diver survey|
|Geology and geophysics|
|Grab||Description: bottom samples and herring eggs|
|Bottom photography||Description: rov and cameras|
|Long/short range side scan sonar|
|Other geological/geophysical measurements||Description: diver survey|