Cruise Info. | |
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Ship name (ship code) | FV Avon Valley (74FV) |
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Cruise period | 1986-09-24 — 1986-09-27 |
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Status | Completed |
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Port of departure | Mudeford, United Kingdom |
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Port of return | Mudeford, United Kingdom |
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Purpose | Research |
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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.
2. Teams 1 and 4. To continue studies of growth and mortality of young sole in the areas off Lowestoft and Rye Bay.
3. Team 1. To carry out a beam trawl survey of gravel extraction grounds east of the Isle of Wight. (For AEP2) |
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Chief scientist | Colin L Whiting (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
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Cruise report | (0.09 MB) |
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Ocean/sea areas | |
General | English Channel |
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Specific | Mudeford, east of Isle of Wight |
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Measurements | |
Physical oceanography | |
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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 image series = 27 |
Biology and fisheries | |
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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. |
Sediment traps | Quantity: number of image series = 27 |
Zoobenthos | Quantity: number of image series = 27 |
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 = 26 Description: Samples of sole and plaice were collected for morphometric and lipid content analysis.
No. of samples not noted. |
Pelagic fish | Quantity: number of image series = 27 |
Pelagic fish | 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 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 fish | Description: Samples of sole and plaice were collected for morphometric and lipid content analysis.
No. of samples not noted. |
Crustaceans | Quantity: number of image series = 27 |