FV Challenge 'A'
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FV Challenge 'A' (740E) |
| Cruise period | 1986-09-03 — 1986-09-20 |
| Status | Completed |
| Port of departure | Wainfleet, United Kingdom |
| Port of return | Wainfleet, United Kingdom |
| Purpose | Research |
| Objectives | 1. All teams. To carry out an inshore beam trawl and push net survey of part of the North Sea and English Channel coasts of young demersal fish in relation to the environment. To include collecting data for juvenile flatfish yearclass size estimation.
4. Team 3. To carry out an ecological survey of Alnmouth and Duridge Bays for the CEGB (CEGB funded). |
| Chief scientist | Clive G Brown (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.09 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | The Wash, off the North Norfolk Coast |
| Measurements | |
| Physical oceanography | |
| Subsurface temperature and salinity measurements | Quantity: number of hauls = 365 Description: A number of hauls were made as part of a juvenile flatfish survey. All fish caught were measured and identified. Salinity, sediment, benthos and temperature observations were also made. |
| Subsurface temperature and salinity measurements | Quantity: number of hauls = 27 Description: A number of hauls were made; all fish caught were measured and identified. Observations on salinity, sediment, benthos, temperature and shrimp catches were all made. |
| Biology and fisheries | |
| Sediment traps | Quantity: number of hauls = 27 Description: A number of hauls were made; all fish caught were measured and identified. Observations on salinity, sediment, benthos, temperature and shrimp catches were all made. |
| Sediment traps | Quantity: number of hauls = 365 Description: A number of hauls were made as part of a juvenile flatfish survey. All fish caught were measured and identified. Salinity, sediment, benthos and temperature observations were also made. |
| Benthic bacteria/micro-organisms | Quantity: number of hauls = 365 Description: A number of hauls were made as part of a juvenile flatfish survey. All fish caught were measured and identified. Salinity, sediment, benthos and temperature observations were also made. |
| Phytobenthos | Quantity: number of hauls = 27 Description: A number of hauls were made; all fish caught were measured and identified. Observations on salinity, sediment, benthos, temperature and shrimp catches were all made. |
| Zoobenthos | Quantity: number of hauls = 365 Description: A number of hauls were made as part of a juvenile flatfish survey. All fish caught were measured and identified. Salinity, sediment, benthos and temperature observations were also made. |
| Pelagic fish | Quantity: number of hauls = 27 Description: A number of hauls were made; all fish caught were measured and identified. Observations on salinity, sediment, benthos, temperature and shrimp catches were all made. |
| Pelagic fish | Quantity: number of hauls = 26 Description: Hauls were made using the beam trawl over gravel extraction areas. All fish caught were measured and identified. |
| Pelagic fish | Description: Samples of sole and plaice were collected for morphometric and lipid content analysis. No. of samples not noted. |
| Pelagic fish | Quantity: number of surveys = 2 Description: A survey of the distribution and abundance of 0 gp sole took place, in preparation for estimation of overwintering mortality rate. |
| Crustaceans | Quantity: number of hauls = 27 Description: A number of hauls were made; all fish caught were measured and identified. Observations on salinity, sediment, benthos, temperature and shrimp catches were all made. |
