FRV Clupea 0385C
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1985-02-27 — 1985-03-18|
|Port of departure||Buckie, United Kingdom|
|Port of return||Greenock, United Kingdom|
|Objectives||1. 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 scientist||John A Morrison (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Cruise report||(0.11 MB)|
|General||Inner Seas off the West Coast of Scotland|
|Specific||South Arran/ Ballantrae Bank|
|Track charts||(00 MB)|
|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 larvae||Quantity: number of stations = 4|
Description: net survey.
|Demersal fish||Quantity: number of hauls = 8|
Description: bottom trawl hauls.