FRV Clupea 0284C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0284C
Cruise period1984-02-09 — 1984-02-23
Port of departureBuckie, United Kingdom
Port of returnGreenock, United Kingdom
Objectives1. To examine the fishing performance of PT163 and PT154 in shallow and confined areas in relation to catching adult herring.
2. To carry out a series of larval surveys on Ballantree Bank and in adjacent areas in order to estimate larval production from these spawning grounds.
3. To carry out echointegration surveys of the South Arran and Ballantrae Bank areas in an attempt to quantify spawning aggregations of herring in these areas.
4. To collect herring gonads in Gibson's fluid for fecundity analysis, to collect mature herring for morphometric analysis and to collect herring larvae and store them in liquid nitrogen for genetic analysis.
Chief scientistJohn A Morrison (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0284C cruise report cl2and3_84.pdf (0.11 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
Specific Ballantrae Bank and South Arran
Track chartsFRV Clupea 0284C cruise track — cl2and3_84track.pdf (0.02 MB) 
Biology and fisheries 
Acoustic reflection on marine organisms.
Gear researchDescription: Assessing the performance of two pelagic trawls when catching herring.