Cruise inventory

FV Jo's Boys Young Fish Survey 1989

Cruise summary report

Cruise Info. 
Ship nameFV Jo's Boys
Cruise identifierYoung Fish Survey 1989
Cruise period1989-09-03 — 1989-09-22
StatusCompleted
Port of departureDungeness, United Kingdom
Port of returnDungeness, United Kingdom
PurposeResearch
ObjectivesJoint survey between: FV Avon Valley, FV Challenger, FV Janet M, FV Jo's Boys, FV Our Tracey, FV Sharowna, FV St Richard, FV Our Sarah Jane and FV Provider.

Aims:
1.To carry out an inshore beam trawl and pushnet survey of part of the North Sea and English Channel coasts, of young demersal fish in relation to the environment.
2. To include collecting data for juvenile flatfish year class size estimation.

Team 1: Beam trawl survey in the area Camber to Dymchurch 7th-8th September. Pushnet sites sampled throughout the period 3rd-22nd September. Cooling water intake screens at Dungeness 'A' power station sampled on 8th and 22nd September.

Results:
1. In total throughout the survey 330 hauls using the standard 2m beam trawl and 43 pushnet sites using the standard 1.5m pushnet were sampled. All fish caught were identified and measured. Surface salinity, temperature, sediment samples and benthos were measured at each station. Shrimp by-catch was recorded at each station.

2. Samples of plaice collected for age determination studies.
Chief scientistColin L Whiting (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportFV Jo's Boys Young Fish Survey 1989 cruise report commercial_vessels_sep89.pdf — access key 'C' (0.06 MB) 
Ocean/sea areas 
GeneralEnglish Channel
North Sea
SpecificFlamborough Head- Swanage Bay Camber to Dymchurch
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Description: observations made at every station
Biology and fisheries 
PhytobenthosDescription: observations made at every station
ZoobenthosDescription: observations made at every station
Demersal fishDescription: samples of plaice collected for age determination studies
Demersal fishQuantity: number of hauls = 330
Description: (in total throughout the young fish survey) beam trawl survey of the area Camber to Dymchurch
Demersal fishQuantity: number of hauls = 43
Description: (in total throughout the young fish survey) pushnet sites in the area Camber to Dymchurch
CrustaceansDescription: Shrimp by-catch recorded at each station
Geology and geophysics 
GrabDescription: observations made at every station