1. Leg 3 - Group 6 October 9 th – 10 th, 2008 Julio Salcedo, Sarah Graham, Brian Claus Picture by Sheilagh O’Leary Anne S. Pierce

2. Overview  Conception Bay Cruise October 9 th -10 th  Bell Island Tickle Focus  Towed Instruments  Stations  Moorings

3. X : Stations : Tracks ----- : Plotted ADCP TrackPlotted Legend Day 4 Day 5

4. Biosonics Echosounder DeltaT Multibeam Sonar EdgeTech Sidescan Sonar EdgeTech SubBottom Profiler RDI Towed ADCP Seabird CTD Secchi Disk Plankton Net Grab Bucket Moored RDI ADCP Thermistor Chain Grab Bucket Terminals Type of Data Pictures by Julio Salcedo

5. Map

7. Figure 7: Multibeam Sonar ?????Display

8. Echo-Sounder Data Map

9. StationDate Secchi Disk depth (m) LatitudeLongitude OCT09S4October 911N47 o 33.937W53 o 10.746 OCT10S2October 1011N47 o 34.422W52 o 55.773 Pictures by Julio Salcedo Coral and Juvenile Starfish Grab Bucket Retrieval

10. Grab Bucket Data StationLatitudeLongitudeSubstrateDate Dept h OCT09S447 o 33.914N53 o 10.814WRocky9-Oct21 m OCT09S647 o 33.514N53 o 01.317WRocky9-Oct25 m Harbour47 o 31.619N52 o 58.774WSample to be analyzed9-Oct22 m OCT10S247 o 32.777N52 o 57.155WSea urchin, coral, seaweeds10-Oct24 m OCT09S4 OCT09S6 Harbour OCT10S2

11. Plankton Net Deployment Plankton Groups Picture by Julio Salcedo GroupsCode CopepodsCOPE CladoceranCLAD Gastropod LarvaeGASL ChaetognathCHAE LarvaceanLARV Starfish LarvaeSTAL Echinoderm LarvaeECHL JellyJELL Shrimp LarvaeSHPL PteropodPTER MysidMYSI Polychaete LarvaePOLY

12. Plankton Composition Concentration (ind/m 3 ) StationOCT09S4OCT09S5OCT10S2 DepthShallow (20 m)Deep (60 m)Shallow (30 m)Deep (70 m)Shallow (30 m)Deep (70 m) Latitude47 o 33.961N47 o 33.997N47 o 31.228N47 o 31.015N47 o 34.418N47 o 31.015N Longitude53 o 10.707W53 o 10.616W53 o 08.767W53 o 09.081W52 o 55.931W53 o 09.081W COPE73292169244623231221977 CLAD1537630614961764929 GASL9638682551341434647 CHAE51591258029 LARV841377020219 STAL5124126719 ECHL1712811017477 JELL0244658105 SHPL0012000 PTER0012000 MYSI0601000 POLY1700005 TOTAL1004739283558295746412707

13. Plankton Composition

14. Plankton Images Gastropod LarvaeCladoceran Copepod

17. Map

18. Figure 8: Information Gathered from CTD casts at Stations 4,5,6,OCT-S1 and OCT-S2

19. Problems Encountered  Signal Interference  Out of Range  Multibeam  Grab Bucket  Rough Conditions  Plankton Nets  Noise in Readings  Synchronization SubBottom Profiler Track

20.  Data Filtering  Comparisons  CTD to Thermistor Chain  Towed Instruments  Manuel’s River Outflow  CTD to Plankton Concentration