FRV Scotia 4/83

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (749S)
Cruise identifier4/83
Cruise period1983-04-27 — 1983-05-16
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1. To carry out a survey for mackerel eggs along the edge of the continental shelf from the Bay of Biscay to west of Ireland as part of a coordinated international survey to determine western mackerel spawning stock size.
2. To sample mackerel concentrations in the survey area.
Chief scientistMartin Walsh (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
ProjectICES Mackerel Survey
Coordinating bodyICES
Cruise reportFRV Scotia 4/83 cruise report sc04_83.pdf (0.15 MB) 
Ocean/sea areas 
GeneralCeltic Sea
Bay of Biscay
North East Atlantic Ocean (limit 40W)
SpecificContinental shelf west of Scotland and Ireland, Donegal Bay, Bay of Biscay
Track chartsFRV Scotia 4/83 cruise track — trk2971a.html FRV Scotia 4/83 cruise track — trk2971b.html
Physical oceanography 
Water bottle stationsQuantity: number of stations = 125
Description: Surface samples only. See MAFF Fisheries Research Data Report No 17, 1989.
Biology and fisheries 
Eggs and larvaeQuantity: number of stations = 125
Pelagic fishQuantity: number of hauls = 10