RV Corystes COR8A/90
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Corystes (74RY) |
| Cruise identifier | COR8A/90 |
| Cruise period | 1990-06-22 — 1990-07-02 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Falmouth, United Kingdom |
| Purpose | Research |
| Objectives | 1. To carry out a plankton survey to assess sole egg production in the Trevose Head spawning area.
2. To carry out a plankton survey in the western English Channel to assess the distribution and abundance of edible crab larvae. 3. To continue investigation of sole and plaice catch rates over a 24-hour period, and obtain otoliths to supplement market sampling information. 4. To continue loading CORYSTES 10/89 loading data into the HP1000 database. All the aims were successfully completed. |
| Chief scientist | Stephen Flatman (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.06 MB) |
| Ocean/sea areas | |
| General | English Channel Bristol Channel |
| Specific | Bristol Channel and Western English Channel |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: activity duration in days = 10 Description: Continuous surface temperature, salinity, light and chlorophyll a |
| Water bottle stations | Quantity: number of stations = 105 Description: surface S only via ships pump |
| Optics (eg underwater light levels) | Quantity: activity duration in days = 10 |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: activity duration in days = 10 Description: chlorophyll a |
| Phytoplankton | Quantity: number of stations = 105 Description: high speed tow net |
| Zooplankton | Quantity: number of stations = 105 Description: high speed tow net |
| Demersal fish | Quantity: number of stations = 9 Description: Demersal fish survey - beam trawl |
