Ina-K 2/05

Cruise summary report

Cruise Info. 
Ship name (ship code)Ina-K (74IK)
Cruise identifier2/05
Cruise period2005-11-19 — 2005-11-30
Port of departureLeigh-on-Sea, United Kingdom
Port of returnLeigh-on-Sea, United Kingdom
Objectives1. To assess the distribution and abundance of herring in the Thames Estuary using a mid-water trawl.
2. To obtain an independent estimate of the age structure and maturity of the Thames spring spawning herring stock.
3. To collect CTD data on selected stations over the estuary.
4. To collect length distributions of bass for S Walmsley.
5. To collect juvenile herring samples for C. Fox for daily growth studies.
Chief scientistPhilip John Welsby (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise reportIna-K 2/05 cruise report inak2_05.pdf (0.15 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificThames Estuary
Track chartsIna-K 2/05 cruise track — inak2_05trk.pdf (0.09 MB) 
Physical oceanography 
Subsurface temperature and salinity measurementsQuantity: number of profiles = 18
Description: A number of CTD samples took place during trhe cruise.
Biology and fisheries 
Demersal fishQuantity: number of specimens = 511
Description: A number of herring were sampled for length and maturity, in stock analysis.
Demersal fishQuantity: number of specimens = 426
Description: A number of bass were caught and measured during the cruise.
Demersal fishQuantity: number of hauls = 34
Description: A number of 60min hauls were made during the cruise. Information on herring , sprat and bass was recorded.