Cruise summary report
|Ship name (ship code)||Ina-K (74IK)|
|Cruise period||2005-11-19 — 2005-11-30|
|Port of departure||Leigh-on-Sea, United Kingdom|
|Port of return||Leigh-on-Sea, United Kingdom|
|Objectives||1. 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 scientist||Philip John Welsby (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)|
|Cruise report||(0.15 MB)|
|Track charts||(00 MB)|
|Subsurface temperature and salinity measurements||Quantity: number of profiles = 18|
Description: A number of CTD samples took place during trhe cruise.
|Biology and fisheries|
|Demersal fish||Quantity: number of specimens = 426|
Description: A number of bass were caught and measured during the cruise.
|Demersal fish||Quantity: number of hauls = 34|
Description: A number of 60min hauls were made during the cruise. Information on herring , sprat and bass was recorded.
|Demersal fish||Quantity: number of specimens = 511|
Description: A number of herring were sampled for length and maturity, in stock analysis.