FRV Mara 1/78
Cruise summary report
|Ship name (ship code)||FRV Mara (74MR)|
|Cruise period||1978-01-23 — 1978-02-10|
|Port of departure||Buckie, United Kingdom|
|Port of return||Buckie, United Kingdom|
|Objectives||1. To find out if the 100-200hp 'Gourock' herring trawl can be improved for sprat trawling.
2. To compare the 100hp Delagic gear (especially adapted for sprat fishing) with the Gourock as a sprat sampling net.
3. The experiments on selectivity will involve:-
(a) approaching groups of fish with the two gear at a variety of speeds.
(b) testing the selective properties of 11, 16, 20 and 33mm cod-end mesh sizes.
(c) observing all parts of the gear using the towed vehicle and television.
|Chief scientist||S T Ronald de Silva (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Cruise report||(0.13 MB)|
|Biology and fisheries|
|Acoustic reflection on marine organisms.|
|Gear research||Description: comparing the performance of a 100 HP Delagic and a Modified Gourock trawl.|