RV Cefas Endeavour 3/04
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cefas Endeavour (74E9) |
| Cruise identifier | 3/04 |
| Cruise period | 2004-03-04 — 2004-04-04 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Research |
| Objectives | This cruise is in 2 parts. Part 1: 04-19 March; Part 2: 20 March - 04 April.
Aims: 1) To carry out a trawl survey of the Celtic Sea, to obtain information on: a) distribution, size composition and abundance of all fish species; b) age - length distribution of selected species; c) the detailed distribution of spawing cod (Gadus morhua) in the NW of ICES Division VIIg (Celtic Sea); d) collect biological data in support of the EU Data Collection Regulation. 2. To sample juvenile fish for recruitment studies. 3. To collect material for fish identification courses. 4. To collect and preserve frozen, all scallops (Pecten maximus) that are caught. 5. To continue the development and testing of electronic data capture equipment. 6. To collect plankton samples in order to estimate onset of mackerel (Scomber scombrus) spawning (S. Milligan). 7. To collect hake (Merluccius merluccius), mackerel (Scomber sombrus) and horse mackerel (Trachurus trachurus) maturity and fecundity material (P. Witthames). 8. To obtain length distributions of mackerel within the Mackerel Box (C. Darby). 9. To investigate the use of a 2/3m beam trawl for obtaining juvenile fish samples (Jim Ellis). 10. Tag and release specimens of spurdog (Squalus acanthias), smoothhound (Mustelus spp.), greater spotted dogfish (Scyliorhinus stellaris) and tope (Galeorhinus galeus). 11. Collect tissue samples from rays. |
| Chief scientist | Stephen Warnes (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory) |
| Cruise programme |  (0.02 MB) |
| Cruise report | (0.19 MB) |
| Ocean/sea areas | |
| General | Celtic Sea |
| Specific | Celtic Sea; South-Western Approaches; western English Channel. |
| Track charts | (0.14 MB) |
| Measurements | |
| Biology and fisheries | |
| Phytoplankton | Quantity: number of stations = 10 Description: Ring net deployed on the Shelf Edge to collect plankton samples in order to estimate the onset of mackerel. |
| Zooplankton | Quantity: number of stations = 10 Description: Ring net deployed on the Shelf Edge to collect plankton samples in order to estimate the onset of mackerel. |
| Demersal fish | Quantity: number of stations = 56 Description: surveyed using a Portuguese High Headline Trawl. |
| Molluscs | Description: Scallops frozen and returned to CEFAS. |
| Taggings | Quantity: number of specimens = 11 Description: 10 spurdog and 1 smoothhound were tagged and released. |
