RV Cefas Endeavour 19/17 Leg3
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cefas Endeavour (74E9) |
| Cruise identifier | 19/17 Leg3 |
| Cruise period | 2017-10-25 — 2017-11-04 |
| Status | Completed |
| Port of departure | London, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Research |
| Objectives | Aims
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 scientist | Jeroen Van der Kooij (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory) |
| Cruise programme |  (0.51 MB) |
| Cruise report | (1.12 MB) |
| Ocean/sea areas | |
| General | English Channel Bristol Channel Celtic Sea |
| Specific | Eastern Celtic Sea and Western Channel (ICES Subareas 27.7 e, f, g) |
