Cruise summary report
Cruise Info. | |
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Ship name (ship code) | Ina-K (74IK) |
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Cruise identifier | 2/03 |
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Cruise period | 2003-11-13 — 2003-11-24 |
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Status | Completed |
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Port of departure | Leigh-on-Sea, United Kingdom |
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Port of return | Leigh-on-Sea, United Kingdom |
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Purpose | Fisheries |
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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 G. Pickett.
5. To collect herring samples for C. Fox for daily growth studies. |
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Chief scientist | Mark William Etherton (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory) |
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Cruise report | (0.10 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | Thames Estuary |
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Track charts | (0.07 MB) |
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Measurements | |
Physical oceanography | |
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CTD stations | Quantity: number of samples = 21 Description: CTD samples taken on pre-selected trawl stations. |
Biology and fisheries | |
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Pelagic fish | Quantity: number of hauls = 36 Description: Larsen sprat trawl. |
Geology and geophysics | |
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Single-beam echosounding | Description: Continuous throughout the cruise, |