Temporal and fine-scale variation in the biogeochemistry of Jervis Bay

CERF Marine Biodiversity Hub Jervis Bay Survey Report, February 2009ContentsACKNOWLEDGEMENTS........................................................................................................................IVEXECUTIVE SUMMARY.......................................................................................................................... V1. INTRODUCTION ..................................................................................................................................... 11.1. AIMS ..................................................................................................................................................... 11.2. SURROGACY.......................................................................................................................................... 11.3 JERVIS BAY ............................................................................................................................................ 31.3.1. Benthic Biology of Jervis Bay ....................................................................................................... 31.3.2. Geochemistry of Jervis Bay........................................................................................................... 41.3.3. Spatial variation at Jervis Bay...................................................................................................... 41.3.4. Temporal variation at Jervis Bay.................................................................................................. 52. METHODS ................................................................................................................................................ 62.1. SURVEY AREA & OVERVIEW ................................................................................................................. 62.2 GRAB SAMPLING .................................................................................................................................... 82.3 BIOLOGICAL SAMPLES............................................................................................................................ 82.4 GEOCHEMISTRY SAMPLES ...................................................................................................................... 92.5 WATER COLUMN MEASUREMENTS .................................................................................................... 93. PRELIMINARY RESULTS.................................................................................................................. 103.1 BIOLOGY .............................................................................................................................................. 103.2 WATER COLUMN MEASUREMENTS............................................................................................ 124. TIMELINE & OUTPUTS ..................................................................................................................... 175. SIGNIFICANCE .................................................................................................................................... 186. REFERENCES ....................................................................................................................................... 197. APPENDIX .............................................................................................................................................. 217.1. DAILY LOG........................................................................................................................................... 217.2 LOCATIONS OF ALL STATION OPERATIONS ............................................................................................ 227.3 TEMPERATURE PROFILES FROM CTD ................................................................................................. 287.3 SALINITY PROFILES FROM CTD.......................................................................................................... 34iii