Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

FV Wash Harvester 4/88

Cruise summary report

Cruise Info. 
Ship nameFV Wash Harvester
Cruise identifier4/88
Cruise period1988-04-25 — 1988-05-26
ObjectivesStandard beam trawl survey joint with FV St Richard.
Part a) 25th-28th April and 24th May
Part b) 26th-27th April and 26th May

1. To estimate the post-winter population of juvenile sole.
2. To collect samples of juvenile sole for condition index and fat content.

1. Total of 108 hauls of 10 minutes duraation using standard 2m beam trawl. At 34 stations off Lowestoft a modified 2m beam trawl with spiked chain tickler was towed simultaneously with the standard trawl. All fish caught were identified and measured. Surface salinity and temperature obersvations and sediment samples collected at every station. Shrimp by-catch at was recorded at each station.

2. Live 1-group sole collected and held in tanks for 24 hours then deep frozen for laboratory estimation of condition factors.
Chief scientistColin L Whiting (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportFV Wash Harvester 4/88 cruise report commerical_vessels_apr88.pdf — access key 'C' (0.03 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificRye Bay and Off Lowestoft
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 sole collected and deep frozen
Demersal fishQuantity: number of hauls = 108
Description: beam trawl hauls; All the fish caught were identified and measured
CrustaceansDescription: shrimp by-catch recorded at each station
Geology and geophysics 
GrabDescription: observations made at every station