RV Corella 15/69
Cruise summary report
|Ship name (ship code)||RV Corella (74CX)|
|Cruise period||1969-09-29 — 1969-10-11|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|Objectives||1. To carry out a tin tortnet survey for herring larvae in the Whitby/Dogger area.
2. To repeat the eastern half of the ICES Shetland grid in order to assess
(a) the magnitude of the late hatching of herring larvae to the east of the
Shetland Islands (b) the direction of larval drift from the area.
3. To make further observations on the vertical distribution of herring
larvae both by day and night over as wide a range of sea-bed depth as possible,
using the Lowestoft multiple plankton sampler fitted with a changing mechanism.
4. To obtain further data on the escape of herring larvae through nylon filters of various sizes using a standard net with a cover.
|Chief scientist||R J Wood (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)|
|Cruise report||(0.19 MB)|
|Specific||Whitby, Dogger Bank, Shetland Islands|
|Bathythermograph||Description: Readings taken at a number of stations.|
|Subsurface temperature measurements|
|Biology and fisheries|
|Eggs and larvae||Description: Herring larvae survey.|