FRV Clupea 3/71
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1971-04-19 — 1971-05-07|
|Port of departure||Campbeltown, United Kingdom|
|Port of return||Stornoway, United Kingdom|
|Objectives||1. To study the activity of Nephrops during the day and night in relation to variations in depth and light intensity.
2. To make observations on the abundance of Nephrops burrows in different areas in relation to depth, substrate etc. to determine the size and sex composition of the Nephrops populations in these areas.
3. To test the effect of electric fields on Nephrops.
In each area examined photographs of the sea bed were taken at random with the IGS sea bed camera.
|Chief scientist||Colin J Chapman (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Cruise report||(0.15 MB)|
|General||Inner Seas off the West Coast of Scotland|
|Specific||Sound of Jura, Loch Torridon, North Minch, Loch Brollum, Loch Broom, Loch Shieldaig, and Loch Carron|
|Biology and fisheries|
|Crustaceans||Quantity: number of observations = 3|
Description: Observations of Nephrops made at different depths: 20 fathoms in Loch Brollum; 25-40 fathoms in Loch Torridon and 45-52 fathoms at the mouth of Loch Carron