FV Alvic Young Fish Survey 1986
Cruise summary report
|Ship name||FV Alvic|
|Cruise identifier||Young Fish Survey 1986|
|Cruise period||1986-09-07 — 1986-09-09|
|Port of departure||Whitstable, United Kingdom|
|Port of return||Whitstable, United Kingdom|
|Objectives||Beam trawl survey of the River Thames and south Thames areas. Push net sites sampled throughout.
Young Fish Survey 1986 with: FV Alvic, FV Avon Valley, FV Challenge, FV Jo's Boys, FV Serenity, FV St Richard, Joanna J., Kimbill of Eden and Sharowna.
1. 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.
1. In total in the Young Fish Survey. 313 hauls made using the standard 2m beam trawl and 52 push net sites using the standard 1.5m push net sampled. All fish caught identified and measured. Salinity and sediment samples collected and surface temperature, benthos, shrimp by-catch and dissolved oxygen (River Thames) observed at each station.
|Chief scientist||Colin L Whiting (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)|
|Cruise report||(0.09 MB)|
Irish Sea and St. George's Channel
|Specific||Scottish Border-Swanage Bay North Thames, South Thames|
|Surface measurements underway (T,S)||Description: Observations made at every station.|
|Oxygen||Description: Observations made at every station.|
|Biology and fisheries|
|Phytobenthos||Description: Observations made at every station.|
|Zoobenthos||Description: Observations made at every station.|
|Demersal fish||Quantity: number of hauls = 313|
Description: (in total throughout the Young Fish survey) beam trawl survey of the River Thames and south Thames area
|Demersal fish||Quantity: number of hauls = 52|
Description: (in total throughout the Young Fish survey) push net sites in the River Thames and south Thames area
|Crustaceans||Description: By-catch of shrimp recorded at each station|
|Geology and geophysics|
|Grab||Description: Observations made at every station.|