Application 124771 - Ministry of Fisheries

MAY 2012 REPORT NO. 2134 | CAWTHRON INSTITUTE
Figure 9. Representative images of epibiota captured from video footage from reference farm
sites A) Mussels and sea stars, B) Sandy seabed with mussels and scallop shell, C)
Mud seabed with solitary ascidian, D) Mussels and sea star. .......................................... 18
Figure 10. CTD salinity and temperature data from six control sites and eight reference farm
sites. .................................................................................................................................. 21
Figure 11. CTD chlorophyll and turbidity data from six control sites and eight reference farm sites. 22
Figure 12. Fluorescence in depth bins from six control sites and eight reference farm sites. ........... 23
Figure 13. Turbidity in depth bins from six control sites and eight reference farm sites. ................... 24
Figure 14. Depth averaged water velocities from an unvalidated model of the study area on the
Coromandel Peninsula at various tidal states in February 2000. ..................................... 28
LIST OF TABLES
Table 1. Average and relative abundances of the 10 most common infauna and epifauna taxa
collected from grab samples within six control and eight reference farm sites in
Coromandel ....................................................................................................................... 14
Table 2. Relative abundance of the most common epibiota observed from video transects at six
control and eight reference farm sites in Coromandel ...................................................... 19
LIST OF APPENDICES
Appendix 1. GPS locations of grab samples and CTD casts in NZ Map Grid and WGS 84 from the
eight reference farm sites and the six control sites. .......................................................... 32
Appendix 2. Physico-chemical and biological data, and biotic indices, from grab samples at the
eight reference farm sites and the six control sites. .......................................................... 33
Appendix 3. Sediment core photographs from the eight reference farm sites and the six control
sites. .................................................................................................................................. 35
Appendix 4. Complete list of biota recorded from grab samples at reference farm sites and control
sites. .................................................................................................................................. 38
Appendix 5. Results of the Simper analysis for infauna abundance data from grab samples at
reference farm sites and control sites at 35% similarity. .................................................. 42
Appendix 6. Benthic maps for the eight reference farm sites, showing estimated extent of mussel
shell drop-off and sediment grain-size results. ................................................................. 46
Appendix 7. Cawthron short reports for 32 proposed inshore mussel farm extensions. ...................... 56
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