RV Cefas Endeavour 09/18
Cruise plan
| Cruise Info. | |
| Ship name (ship code) | RV Cefas Endeavour (74E9) |
| Cruise identifier | 09/18 |
| Cruise period | 2018-06-11 — 2018-06-17 |
| Status | Completed |
| Port of departure | Swansea, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Research |
| Objectives | Objectives
1. Optimise scallop dispersal method (to prevent RFID tag clash and to closer replicate natural average densities). 2. Evaluate the potential of using RFID technology to determine catchability of scallop dredges. 3. Determine UWTV efficiency using RFID technology and optimise elements of UWTV method. 4. Acquire high-resolution acoustic data using multibeam sonar (as time permits). Plan Depart from Swansea early Monday 11 June 2018 and transit to location. Baseline parameters on RFID to be tested in seawater tanks on steam round. Collection of live scallops from Falmouth via Endeavour work boat (one to two collections anticipated or dredging for live scallops if required). On site: 1. Scallop dispersal method to be assessed with acoustic release drop frame (if this is unable to deliver the required distribution alternative release methods will be trialled, including pipe method, hand-released baskets and hand dispersal over the side). 2. Baseline assessment of each site (substrate, suitability, baseline population etc) by multibeam, UWTV and dredge (if appropriate), followed by deployment of RFID tagged scallops 3. Video data will be collected using SeaSpyder UWTV and RFID array (side gantry deployment). In addition, other UWTV array platforms will be trailed, including Flying array and Sea Chariot. 4. Dredge tows to be taken along the line of RFID tagged scallop deployment (efficiency estimate using RFID) with repeat tows (depletion methodology) as back up methodology where required. IDs detected will provide data for catchability and efficiency calculations. 5. Multibeam echo sounder data will be recorded pre and post deployment and dredging. On completion, the vessel will transit to Lowestoft to demobilise. |
| Chief scientist | Ewen David Bell (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory), Karen Vanstaen (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory) |
| Cruise programme |  (0.38 MB) |
| Ocean/sea areas | |
| General | English Channel |
