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RV Cefas Endeavour 19/17 Leg3

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cefas Endeavour (74E9)
Cruise identifier19/17 Leg3
Cruise period2017-10-25 — 2017-11-04
StatusCompleted
Port of departureLondon, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
ObjectivesAims

1. To carry out the sixth of annual multidisciplinary pelagic survey of the Western Channel and Celtic Sea waters to estimate the biomass of, and gain insight into, the population of the small pelagic fish community (sprat, sardine, mackerel, anchovy, horse mackerel).
a. To carry out a fisheries acoustic survey during daylight only using four operating frequencies (38, 120, 200 and 333 kHz) to map and quantify the small pelagic species community.
b. To trawl for small pelagic species using a 20x40m herring (mid-water) trawl in order to obtain information on:
- Species and size composition of acoustic marks
- Age composition and distribution, from all small pelagic species
- Length, weight and maturity information on pelagic species
- Stomach contents

2. To collect plankton samples using 2 different mesh ringnets (80 µm, and 270 µm mesh) at fixed stations at night by vertical haul. Samples will be processed onboard:
Chief scientistJeroen Van de Kooij (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise programmeRV Cefas Endeavour 19/17 Leg3 cruise programme endeavour19_17.pdf  (0.51 MB) 
Cruise reportRV Cefas Endeavour 19/17 Leg3 cruise report endeavour19_17.pdf (1.12 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Bristol Channel
Celtic Sea
SpecificEastern Celtic Sea and Western Channel (ICES Subareas 27.7 e, f, g)