RRS James Clark Ross JR20040309 (JR100)
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS James Clark Ross (74JC) |
| Cruise identifier | JR20040309 (JR100) |
| Cruise period | 2004-03-09 — 2004-04-05 |
| Status | Completed |
| Port of departure | Stanley, Falkland Islands (Malvinas) |
| Port of return | Stanley, Falkland Islands (Malvinas) |
| Purpose | Research |
| Objectives | 1. Characterise the vertical and horizontal distribution of fish in the area between the Shag Rocks and South Georgia shelves, and relate fish distribution to the physical oceanography of the region and the foraging behaviour of fur seals.
2. Investigate the diet and trophic ecology of myctophids. 3. Investigate enzyme activities, anti-oxidants and pollutants in the tissue of mesopelagic fish. 4. Investigate the visual ecology of mesopelagic fish in relation to habitat depth and foraging behaviour (AFI/CGS Award). 5. Service the Acoustic moorings (AFI). 6. Undertake the end of season Western Core Box Survey 7. Continue time series of Longhurst-Hardy Plankton Recorder deployments at shallow and deep locations to the NW of South Georgia. |
| Chief scientist | Martin A Collins (British Antarctic Survey) |
| Cruise report |  (3.97 MB) |
| Ocean/sea areas | |
| General | South Atlantic Ocean |
| Specific | South Georgia, Shag Rocks shelves |
| Measurements | |
| Physical oceanography | |
| Bathythermograph | Quantity: number of deployments = 48 Description: A number of XTBs were deployed throughout the cruise. |
| Subsurface temperature and salinity measurements | Quantity: number of measurements = 25 Description: A number of CTD casts made during the cruise. |
| Current meters | Quantity: number of measurements = 25 Description: A number of CTD casts made during the cruise. |
| Biology and fisheries | |
| Zooplankton | Quantity: number of deployments = 58 Description: No of Bongo hauls made throughout the cruise. |
| Pelagic fish | Quantity: number of hauls = 13 Description: A number of pelagic trawls were made throughout the period of the cruise. |
| Data held at BODC | |
| Discrete samples | |
| 2 Instrument mooring |
