Tridens wk 19-21 2019

Cruise summary report

Cruise Info. 
Ship name (ship code)Tridens (64T2)
Cruise identifierwk 19-21 2019
Cruise period2019-05-06 — 2019-05-24
Port of departureScheveningen, Netherlands
Port of returnCork, Ireland
ObjectivesThe cruise is part of the International ICES coordinated Mackerel and Horse mackerel egg survey. To collect mackerel and horse mackerel eggs and adult fish in the spawning areas of the Western and Southern Atlantic spawning populations. The Dutch participation is in period 4 (May) and 5 (June) and covers the Bay of Biscay. Celtic Sea and Western Channel. Data is used for the assessment of the mackerel and horse mackerel western spawning stock.
Chief scientistCindy J G van Damme (Institute for Marine Resources and Ecosystem Studies, IJmuiden), Ewout Blom (Institute for Marine Resources and Ecosystem Studies, IJmuiden)
ProjectICES Mackerel Egg Survey
Coordinating bodyInternational Council for the Exploration of the Sea (ICES)
NPRCTridens wk 19-21 2019 NPRC tridens_20190506.pdf (1.31 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Celtic Sea
Bay of Biscay
SpecificWestern Channel, Celtic Sea, Bay of Biscay
Physical oceanography 
CTD stationsQuantity: number of profiles = 137
Description: CTD profiles
Biology and fisheries 
ZooplanktonQuantity: number of hauls = 137
Description: Gulf VII oblique plankton trawl
Pelagic fishQuantity: number of hauls = 7
Description: Pelagic trawl