Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RV Clione (74CN) |
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Cruise identifier | CLI6A/87 |
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Cruise period | 1987-05-07 — 1987-05-07 |
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Status | Completed |
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Port of departure | Lowestoft, United Kingdom |
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Port of return | Lowestoft, United Kingdom |
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Purpose | Trials |
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Objectives | 1. To test the multi-net sampler.
2. (a) To carry out a plankton survey over a grid of approximately 80 stations in order to estimate the production of Nephrops larvae.
(b) To take additional plankton samples in areas of highest larvae abundance, to estimate haul to haul and spatial variability.
© To trawl for adult Nephrops and sample the catch for length, weight, fecundity and maturity data.
(d) To collect a sample of Euphausids for the analysis of their mercury content (AEP2). |
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Chief scientist | John H Nichols (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
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Cruise report | (0.11 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | Central N. Sea/NE coast of England |
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Track charts | (0.02 MB) |
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Measurements | |
Physical oceanography | |
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CTD stations | Quantity: number of stations = 76 |
Biology and fisheries | |
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Phytoplankton | Quantity: number of stations = 76 Description: surveyed using 76cm high speed tow net. |
Zooplankton | Quantity: number of stations = 85 Description: plankton survey stations completed using the 76cm high speed tow net for Nephrops (84 stations) and Euphausids (1 station) |
Molluscs | Quantity: number of stations = 8 |