Cruise inventory

FRV Clupea 3/71

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier3/71
Cruise period1971-04-19 — 1971-05-07
StatusCompleted
Port of departureCampbeltown, United Kingdom
Port of returnStornoway, United Kingdom
PurposeResearch
Objectives1. 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 scientistColin J Chapman (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 3/71 cruise report cl3_71.pdf — access key 'C' (0.15 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
SpecificSound of Jura, Loch Torridon, North Minch, Loch Brollum, Loch Broom, Loch Shieldaig, and Loch Carron
Measurements 
Biology and fisheries 
CrustaceansQuantity: 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