FRV Clupea 0385C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0385C
Cruise period1985-02-27 — 1985-03-18
Port of departureBuckie, United Kingdom
Port of returnGreenock, United Kingdom
Objectives1. To carry out echointegration surveys of the South Arran and Ballantree Bank areas in an attempt to quantify spawning aggregations of herring.
2. To carry out a series of larval surveys on Ballantree Bank and in adjacent waters to estimate herring larval production.
3. To trawl and use set nets to collect herring for investigation of trological composition including, fecundity analysis, morphometric measurement and to establish the weight length relationship.
4. To use a light meter to investigate light intensity in relation to the diurnal behaviour of herring.
Chief scientistJohn A Morrison (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0385C cruise report cl3_85.pdf (0.11 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
SpecificSouth Arran/ Ballantrae Bank
Track chartsFRV Clupea 0385C cruise track — cl3_85track.pdf (0.03 MB) 
Physical oceanography 
Optics (eg underwater light levels)Description: Light intenisty readings taken during the daylight to dusk cycle at a variety of depths.
Biology and fisheries 
Eggs and larvaeQuantity: number of stations = 4
Description: net survey.
Demersal fishQuantity: number of hauls = 8
Description: bottom trawl hauls.