RV Corystes COR6B/90
Cruise summary report
|Ship name (ship code)||RV Corystes (74RY)|
|Cruise period||1990-05-17 — 1990-05-26|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|Objectives||1. To assess the production of sole eggs in the Bristol Channel as part of a series of surveys to determine total seasonal production in that area.
2. To sample on up to 31 stations in the English sector of the western English Channel for the larvae of Cancer paragus.
3. To fish with handlines for samples of two or three year old mackerel in ICES regions VIIE and VIIJ. Suitable specimens will be kept live in the circular tank and returned to Lowestoft for estimation of atresia.
4. To observe and record the distribution and abundance of sea-birds at sea as part of the Nature Conservancy Council programme to construct a distribution atlas for British sea areas.
|Chief scientist||John H Nichols (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)|
|Cruise report||(0.09 MB)|
|Specific||Bristol Channel, Western English Channel/Celtic Sea|
|Surface measurements underway (T,S)||Quantity: activity duration in days = 9|
Description: Continuous surface temperature and salinity and chlorophyll a
|CTD stations||Quantity: number of stations = 106|
Description: surface S only on plankton sampler
|Biology and fisheries|
|Phytoplankton pigs (eg chlorophyll, fluorescence)||Quantity: activity duration in days = 9|
Description: chlorophyll 'a'
|Phytoplankton||Quantity: number of stations = 106|
|Zooplankton||Quantity: number of stations = 106|
|Birds||Quantity: activity duration in days = 9|
Description: Nature Conservancy Council bird survey
|Pelagic fish||Quantity: number of stations = 2|
Description: days - feathering for mackerel