Cruise inventory

FV Challenge 'A'

Cruise summary report

Cruise Info. 
Ship name (ship code)FV Challenge 'A' (740E)
Cruise period1986-09-03 — 1986-09-20
StatusCompleted
Port of departureWainfleet, United Kingdom
Port of returnWainfleet, United Kingdom
PurposeResearch
Objectives1. 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 scientistClive G Brown (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportFV Challenge 'A'  cruise report commercial_vessels_aug86.pdf — access key 'C' (0.09 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificThe Wash, off the North Norfolk Coast
Measurements 
Physical oceanography 
Subsurface temperature and salinity measurementsQuantity: 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.
Subsurface temperature and salinity measurementsQuantity: 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.
Biology and fisheries 
Sediment trapsQuantity: 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 trapsQuantity: 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-organismsQuantity: 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.
PhytobenthosQuantity: 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.
ZoobenthosQuantity: 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 fishQuantity: 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 fishQuantity: number of hauls = 26
Description: Hauls were made using the beam trawl over gravel extraction areas. All fish caught were measured and identified.
Pelagic fishQuantity: 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.
Pelagic fishDescription: Samples of sole and plaice were collected for morphometric and lipid content analysis. No. of samples not noted.
CrustaceansQuantity: 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.