Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RRS John Murray (74MJ) |
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Cruise identifier | JM9/68 |
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Cruise period | 1968-08-20 — 1968-09-06 |
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Status | Completed |
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Port of departure | Plymouth, United Kingdom |
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Port of return | Oban, United Kingdom |
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Purpose | Research |
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Objectives | Series of bottom stations to sample benthos. Conduct mid-water fishing trawls. Plankton sampling. |
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Chief scientist | John H S Blaxter (University of Aberdeen, School of Biological Sciences) |
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Cruise report | (0.08 MB) (0.20 MB) |
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Ocean/sea areas | |
General | Inner Seas off the West Coast of Scotland North East Atlantic Ocean (limit 40W) |
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Specific | North West coast of Scotland |
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Measurements | |
Physical oceanography | |
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Bathythermograph | Quantity: number of observations = 2 |
Biology and fisheries | |
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Phytoplankton | Quantity: number of hauls = 12 Description: Neuston net |
Zooplankton | Quantity: number of hauls = 12 Description: Neuston net |
Pelagic fish | Quantity: number of hauls = 11 Description: Isaacs-Kidd mid-water trawl |
Demersal fish | Quantity: number of hauls = 11 Description: Isaacs-Kidd mid-water trawl |
Other biological/fisheries measurement | Quantity: number of stations = 61 Description: series of bottom stations on continental shelf and inshore |
Geology and geophysics | |
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Dredge | Quantity: number of hauls = 28 Description: sample benthos, 6 Sanders dredge, 22 Rock dredge |
Grab | Quantity: number of hauls = 85 Description: sample benthos, Smith-McIntyre grab |
Bottom photography | Quantity: number of hauls = 2 Description: Shipek camera |