FRV Scotia 0684S

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (749S)
Cruise identifier0684S
Cruise period1984-05-29 — 1984-06-22
Port of departureAberdeen, United Kingdom
Objectives1. To carry out a survey for mackerel eggs in the North Sea as part of a co-ordinated international survey to determine North Sea spawning stock size.
2. To sample mackerel concentrations in the survey area.
3. To test and install new computer software.
Chief scientistJames A Adams (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Scotia 0684S cruise report sc06_84.pdf (0.11 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificCentral and northern North Sea
Track chartsFRV Scotia 0684S cruise track — trk3074.html
Physical oceanography 
Surface measurements underway (T,S)Description: continuous monitoring throughout the cruise.
Water bottle stationsQuantity: number of stations = 203
Description: surface samples only
Biology and fisheries 
Eggs and larvaeQuantity: number of hauls = 203
Description: each haul lasting three minutes at each depth (20m, 15m, 10m, 5m and just below the surface).
Pelagic fishQuantity: number of hauls = 18
Description: biomass determination