Ina-K 2/03

Cruise summary report

Cruise Info. 
Ship name (ship code)Ina-K (74IK)
Cruise identifier2/03
Cruise period2003-11-13 — 2003-11-24
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 G. Pickett.
5. To collect herring samples for C. Fox for daily growth studies.
Chief scientistMark William Etherton (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise reportIna-K 2/03 cruise report inak2_03.pdf (0.10 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificThames Estuary
Track chartsIna-K 2/03 cruise track — ina-k2_03trk.pdf (0.07 MB) 
Physical oceanography 
CTD stationsQuantity: number of samples = 21
Description: CTD samples taken on pre-selected trawl stations.
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 36
Description: Larsen sprat trawl.
Geology and geophysics 
Single-beam echosoundingDescription: Continuous throughout the cruise,