FRV Clupea 1479C
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1979-11-05 — 1979-11-29|
|Port of departure||Buckie, United Kingdom|
|Port of return||Troon, United Kingdom|
|Objectives||1. To survey the distribution and abundance of young herring and sprats in the Clyde with an echosounder and a mid-water trawl.
2. To investigate the biological composition of young herring in the Clyde.
3. To investigate the residue burden of organic pollutants in herring and sea water samples and bottom sediments.
A number of herring samples were worked up racially and otolith requirements for most of the length range were met. A number of ovaries were fixed and returned to the laboratory for further examination. Samples for pesticide analysis were collected from all programmed areas, and from at least three different year-classes o herring, as well as from several other species.
|Chief scientist||Martin Walsh (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Cruise report||(0.64 MB)|
|General||Inner Seas off the West Coast of Scotland|
|Specific||Irvine Bay, Arran, outer Clyde|
|Biology and fisheries|
|Pelagic fish||Quantity: number of stations = 26|
Description: Herring were taken at 26 of the 28 fixed stations during the survey with an average catch rate of 362 per 1-hour haul