Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Explorer (74EX) |
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Cruise identifier | 2-3A/68 |
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Cruise period | 1968-03-11 — 1968-03-26 |
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Status | Completed |
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Port of departure | Aberdeen, United Kingdom |
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Port of return | Aberdeen, United Kingdom |
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Purpose | Research |
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Objectives | 1) To carry out a general survey of the Rockall Bank area
2) To make observations on diurnal catching rates and on the vertical distribution of blue whiting eggs
Net damage occurred due to coral. Docked in Greenock from 26/03/1968 till the 28/03/1968 to discuss the results obtained and await new scientific staff. |
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Chief scientist | Jake H Fraser (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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Cruise report | (0.38 MB) |
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Ocean/sea areas | |
General | North Atlantic Ocean |
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Specific | Scrabster, Rockall, Butt of Lewis, Clyde |
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Measurements | |
Physical oceanography | |
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Surface measurements underway (T,S) | Description: hydrograpgy and chemical observations |
Chemical oceanography | |
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Oxygen | |
Phosphate | |
Nitrate | |
Biology and fisheries | |
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Phytoplankton pigs (eg chlorophyll, fluorescence) | Description: for chlorophyll a |
Zooplankton | Description: all plankton sampling was carried out with a 1 m 60 mesh nets |
Pelagic fish | Description: Apart from two occasions during the whole cruise when fishing was conducted in one locality in both daylight and darkness, trawling survey was carried out in daylight. 33 per haul of large ling, 2-135 of haddock, some saithe present |