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Adelaide Desal Project Baited Remote Underwater Video Survey 2018 Adelaide Desalination Plant Baited Remote Underwater Video Surveys - 2018 Report to AdelaideAqua Pty Ltd James Brook (J Diversity Pty Ltd) Rev 0, December 2018 ADP BRUV Surveys - 2018 Cover photo: Fish at Noarlunga Tyre Reef, including yellowtail scad Trachurus novaezelandiae and trevally Pseudocaranx spp., April 2018. Acknowledgements Dimitri Colella was the technical and field lead on this project. Trent Brockhouse and Andrew Dendunnen of Whyalla Diving Services, and Sasha Whitmarsh assisted in the field. Dr Bryan McDonald provided advice on statistical analysis and review. Disclaimer The findings and opinions expressed in this publication are those of the author and do not necessarily reflect those of AdelaideAqua Pty Ltd. While reasonable efforts have been made to ensure the contents of this report are factually correct, the author does not accept responsibility for the accuracy and completeness of the contents. The author does not accept liability for any loss or damage that may be occasioned directly or indirectly through the use of, or reliance on, the contents of this report. Preferred citation: Brook, J (2018), Adelaide Desalination Plant Baited Remote Underwater Video Fish Surveys – 2018. Report for AdelaideAqua Pty Ltd, prepared by J Diversity Pty Ltd. Revision history Rev Date Comment Author Reviewed A 11/12/2018 Initial Draft J. Brook D. Colella B 12/12/2018 Minor changes J. Brook B McDonald 0 18/12/2018 Changes in response to review 2 ADP BRUV Surveys - 2018 Table of Contents Executive Summary ................................................................................................................................. 6 1 Introduction .................................................................................................................................... 7 2 Methods .......................................................................................................................................... 8 2.1 Baited Remote Underwater Video System ............................................................................. 8 2.2 Survey sites ............................................................................................................................. 8 2.3 Deployment........................................................................................................................... 10 2.4 Data analysis ......................................................................................................................... 11 3 Results ........................................................................................................................................... 12 3.1 Autumn 2018 fish communities ............................................................................................ 12 3.2 Spring 2018 fish communities ............................................................................................... 15 3.3 Comparisons of control and impact sites over time ............................................................. 18 3.3.1 Diversity measures ........................................................................................................ 18 3.3.2 Community structure .................................................................................................... 20 3.4 Interannual differences ......................................................................................................... 21 3.5 Other factors influencing community structure ................................................................... 21 4 Discussion ...................................................................................................................................... 23 5 References .................................................................................................................................... 24 Appendix A – Species recorded during 2015 and 2018 surveys........................................................... 26 Appendix B – Plates of species recorded .............................................................................................. 31 Appendix C – PRIMER/PERMANOVA+ outputs ..................................................................................... 39 Table of Tables Table 1. Survey sites and attributes ...................................................................................................... 10 3 ADP BRUV Surveys - 2018 Table of Figures Figure 1. Baited remote underwater video unit. Source: adapted from Cappo et al. (2007). ............... 8 Figure 2. BRUV survey sites. Source: DEW 2018a, b............................................................................... 9 Figure 3. Abundance of species per site during autumn survey, by family .......................................... 13 Figure 4. Richness of species per site during autumn survey, by family .............................................. 14 Figure 5. Principal Coordinates Analysis scatter plot of fish communities recorded during autumn survey.................................................................................................................................................... 15 Figure 6. Abundance of species per site during spring survey, by family ............................................. 16 Figure 7. Richness of species per site during spring survey, by family ................................................. 17 Figure 8. Principal Coordinates Analysis scatter plot of fish communities recorded during spring survey.................................................................................................................................................... 18 Figure 9. Mean abundance, richness and Shannon-Weiner diversity index value for replicates of autumn and spring surveys in 2015 and 2018...................................................................................... 19 Figure 10. Principal Coordinates Analysis scatter plot of fish communities recorded during autumn and spring of 2015 and 2018, showing control vs impact (colour) and survey (shape)....................... 20 Figure 11. Principal Coordinates Analysis scatter plot of fish communities recorded during autumn and spring of 2015 and 2018, showing patterns related to location (south vs north), protection (fished and unfished), and substrate (natural vs artificial)................................................................... 22 Table of Plates Plate 1. Bottlenose dolphin Tursiops truncatus .................................................................................... 31 Plate 2. Western Australian salmon Arripis truttaceus ......................................................................... 31 Plate 3. Trevally Pseudocaranx spp....................................................................................................... 31 Plate 4. Yellow-tail scad Trachurus novaezelandiae ............................................................................. 31 Plate 5. Western talma Chelmonops curiosus ...................................................................................... 31 Plate 6. Long-fin pike Dinolestes lewini ................................................................................................ 31 Plate 7. Old wife Enoplosus armatus .................................................................................................... 32 Plate 8. Silverbelly Parequula melbournensis ....................................................................................... 32 Plate 9. Zebra fish Girella zebra ............................................................................................................ 32 Plate 10. Silver drummer Kyphosus sydneyanus .................................................................................. 32 Plate 11. Black-spotted wrasse Austrolabrus maculatus ...................................................................... 32 Plate 12. Brown-spotted wrasse Notolabrus parilus ............................................................................ 32 Plate 13. Western blue groper Achoerodus gouldii .............................................................................. 33 Plate 14. Spiny tailed leatherjacket Acanthaluteres brownii ................................................................ 33 Plate 15. Toothbrush leatherjacket Acanthaluteres vittiger ................................................................ 33 Plate 16. Blue-tail leatherjacket Eubalichthys cyanoura ....................................................................... 33 Plate 17. Six-spine leatherjacket Meuschenia freycineti ...................................................................... 33 Plate 18. Horseshoe leatherjacket Meuschenia hippocrepis ................................................................ 33 Plate 19. Degen’s leatherjacket Thamnaconus degeni ......................................................................... 34 Plate 20. Bearded cod Pseudophycis barbata....................................................................................... 34 Plate 21. Southern goatfish Upeneichthys vlamingii ............................................................................ 34 Plate 22. Gurnard perch Neosebastes spp............................................................................................ 34 Plate 23. Blue rock whiting Haletta semifasciata .................................................................................. 34 4 ADP BRUV Surveys - 2018 Plate 24. Shaw's cowfish Aracana aurita .............................................................................................
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