Marine Produce Australia: Cone Bay Barramundi Aquaculture ...

CONTENTS
1.� Introduction ........................................................................................................... 4�
2.� Methods ................................................................................................................. 4�
2.1.� Field logistics.................................................................................................. 4�
2.2.� Sampling plan ............................................................................................... 4�
2.3.� Equipment ......................................................................................................5�
2.3.1.� Topside Control Unit................................................................................ 5�
2.3.2.� Spatial positioning.................................................................................. 5�
2.3.3.� Video camera .......................................................................................... 5�
2.3.4.� Depth data .............................................................................................. 5�
2.4.� Video analysis ................................................................................................6�
3.� Results..................................................................................................................10�
TABLES
Table 1 The estimated error for the spatial positioning of the towed camera
relative to the GPS receiver (on the vessel) ......................................... 5�
Table 2 Tide predictions for Derby (www.transport.wa.gov.au)................................... 6�
Table 3 Data fields captured in the GO Video software analysis data.........................8�
FIGURES
Figure 1 Substrate and biota habitat classification hierarchy levels............................ 9�
Figure 2 Depth data collected during the field survey ................................................ 11�
Figure 3 Hard coral percent cover data.......................................................................12�
APPENDICES
Appendix 1: Video analysis biological community classification scheme...................13�
Appendix 2: Video analysis substrate classification scheme ......................................14
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