FRV Clupea 0793C
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1993-04-07 — 1993-04-20|
|Port of departure||Fraserburgh, United Kingdom|
|Port of return||Fraserburgh, United Kingdom|
|Objectives||1. To carry out trawl hauls at Ballantrae and at South Arran to establish the age structure of the spawning herring population in these areas.
2. To carry out grab and ROV surveys in the above areas in order to quantify total egg deposition for an assessment of spawning stock biomass.
3. To use the "RoxAnn" ground discrimination system in known herring spawning areas to allow the data gained to be used for assessment of potential spawning areas for oil impact studies.
|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||Scottish West coast, Firth of Clyde,Ballantrae and South Arran.|
|Biology and fisheries|
|Eggs and larvae||Quantity: number of samples = 1028|
Description: grabs - egg density
|Pelagic fish||Quantity: number of hauls = 5|
Description: trawl hauls