Fisheries and Aquatic Resources Report 2009/10
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STATE OF THE FISHERIES AND AQUATIC RESOURCES REPORT 2009/10 Edited by W.J. Fletcher and K. Santoro Produced by the Fisheries Research Division based at the WA Fisheries and Marine Research Laboratories Published by the Department of Fisheries 3rd Floor, The Atrium 168 St Georges Terrace Perth WA 6000 Website: www.fish.wa.gov.au ABN: 55 689 794 771 ISSN 1838 - 417X (print) ISSN 1838 - 4161 (online) Suggested citation formats: Entire report: Fletcher, W.J. and Santoro, K. (eds). 2010. State of the Fisheries and Aquatic Resources Report 2009/10. Department of Fisheries, Western Australia. Individual status report: Hart, A. and Brown, J. 2010. Roe’s Abalone Fishery Status Report. In: State of the Fisheries and Aquatic Resources Report 2009/10 eds. W.J. Fletcher and K. Santoro, Department of Fisheries, Western Australia, pp. 39-48. 2 DEPARTMENT OF FISHERIES CONTENTS OVERVIEW FROM THE CHIEF Gascoyne Demersal Scalefish Fishery EXECUTIVE OFFICER................................5 Status Report ......................................122 EDITOR'S INTRODUCTION.......................6 Inner Shark Bay Scalefish Fishery Status HOW TO USE THIS VOLUME ...................7 Report .................................................129 OVERVIEW OF THE STATUS OF KEY Gascoyne and North Coast Blue FISHERIES AND STOCKS........................11 Swimmer Crab Fishery Status Report 135 OVERVIEW TABLE 14 AQUACULTURE 142 Stock Status, Catch & Effort Ranges for COMPLIANCE AND COMMUNITY the Major Commercial Fisheries.......... 14 EDUCATION 143 WEST COAST BIOREGION......................18 NORTH COAST BIOREGION ................ 147 ABOUT THE BIOREGION 19 ABOUT THE BIOREGION 148 SUMMARY OF FISHING AND SUMMARY OF FISHING AND AQUACULTURE ACTIVITIES 19 AQUACULTURE ACTIVITIES 148 ECOSYSTEM MANAGEMENT 19 ECOSYSTEM MANAGEMENT 149 ECOSYSTEM BASED FISHERIES ECOSYSTEM BASED FISHERIES MANAGEMENT 21 MANAGEMENT 151 FISHERIES 19 FISHERIES 155 West Coast Rock Lobster Fishery Status Northern Prawn Managed Fisheries Report................................................... 28 Status Report ......................................155 Roe’s Abalone Fishery Status Report .. 39 North Coast Nearshore and Estuarine Abrolhos Islands and Mid West, South Fishery Status Report .........................165 West Trawl Managed Fisheries and North Coast Demersal Fisheries Status South Coast Trawl Fishery Status Report49 Report .................................................172 West Coast Blue Swimmer Crab Fishery Mackerel Managed Fishery Report: Status Report........................................ 54 Statistics Only.....................................190 West Coast Deep Sea Crab (Interim) Northern Shark Fisheries Status Report192 Managed Fishery Status Report ........... 62 Pearl Oyster Managed Fishery Status West Coast Nearshore and Estuarine Report .................................................199 Finfish Resources Status Report .......... 65 Beche-de-mer Fishery Status Report..205 West Coast Purse Seine Fishery Report: AQUACULTURE 210 Statistics Only ...................................... 78 COMPLIANCE & COMMUNITY West Coast Demersal Scalefish Fishery EDUCATION 210 Status Report........................................ 80 SOUTH COAST BIOREGION................. 213 Octopus Fishery Status Report............. 90 ABOUT THE BIOREGION 214 AQUACULTURE 95 SUMMARY OF FISHING AND COMPLIANCE AND COMMUNITY AQUACULTURE ACTIVITIES 214 EDUCATION 95 ECOSYSTEM MANAGEMENT 215 GASCOYNE COAST BIOREGION...........99 ECOSYSTEM BASED FISHERIES ABOUT THE BIOREGION 100 MANAGEMENT 215 SUMMARY OF FISHING AND FISHERIES 218 AQUACULTURE ACTIVITIES 100 South Coast Crustacean Fisheries ECOSYSTEM MANAGEMENT 101 Report: Statistics Only........................218 ECOSYSTEM BASED FISHERIES Greenlip/Brownlip Abalone Fishery MANAGEMENT 103 Status Report ......................................221 FISHERIES 107 South Coast Nearshore and Estuarine Shark Bay Prawn and Scallop Managed Finfish Resources Status Report.........229 Fisheries Status Report....................... 107 South Coast Purse Seine Fishery Report: Exmouth Gulf Prawn Managed Fishery Statistics Only.....................................244 Status Report...................................... 117 STATE OF THE FISHERIES AND AQUATIC RESOURCES REPORT 2009/10 3 CONTENTS Demersal Gillnet and Longline Fisheries ECOSYSTEM BASED FISHERIES Status Report...................................... 246 MANAGEMENT 280 South Coast Demersal Line Fishery FISHERIES 282 Report: Statistics Only ....................... 259 Marine Aquarium Fish Managed Fishery AQUACULTURE 260 Report: Statistics Only........................282 COMPLIANCE AND COMMUNITY Specimen Shell Managed Fishery Status EDUCATION OVERVIEW 261 Report .................................................284 NORTHERN INLAND BIOREGION.......264 APPENDICES........................................... 287 ABOUT THE BIOREGION 265 APPENDIX 1 288 SUMMARY OF FISHING AND Fisheries Research Division staff AQUACULTURE ACTIVITIES 265 publications 2009/10 ..........................288 ECOSYSTEM MANAGEMENT 265 APPENDIX 2 291 ECOSYSTEM BASED FISHERIES Table of catches from fishers’ statutory MANAGEMENT 265 monthly returns for 2008/09...............291 FISHERIES 267 Estimated Western Australian Lake Argyle Silver Cobbler Fishery Aquaculture Production for 2008/09 ..297 Report: Statistics Only ....................... 267 APPENDIX 3 300 AQUACULTURE 269 Research Division – Other Activities .300 COMPLIANCE & COMMUNITY Pemberton Freshwater Research Centre EDUCATION 269 activities 2009/10................................300 SOUTHERN INLAND BIOREGION.......269 Activities of the Fish Health Unit during ABOUT THE BIOREGION 272 2009/10 ...............................................302 SUMMARY OF FISHING AND Indian Ocean Territories Fishery Status AQUACULTURE ACTIVITIES 272 Report .................................................303 ECOSYSTEM MANAGEMENT 272 APPENDIX 4 308 ECOSYSTEM BASED FISHERIES Annual performance for commercial MANAGEMENT 272 fisheries subject to export approval under Licensed Recreational Marron Fishery the Australian Government’s Report: Statistics Only ....................... 275 Environment Protection and Biodiversity AQUACULTURE 276 Conservation Act 1999 .......................308 COMPLIANCE AND COMMUNITY APPENDIX 5 318 EDUCATION 276 Fisheries Research Division staff adjunct STATEWIDE.............................................279 positions and Supervision of students 318 GLOSSARY OF ACRONYMS 319 4 DEPARTMENT OF FISHERIES OVERVIEW FROM THE CHIEF EXECUTIVE OFFICER For over twenty years, the Department of Fisheries has This report documents that most of the risks to the aquatic published a State of the Fisheries Report each year to provide ecological resources in Western Australia are currently at the public with an update of the status of the fish and acceptable levels. The main areas where the ecosystems and fisheries resources of Western Australia that are managed by their component species are considered to be under threat are the Department. As part of successive Government’s restricted to the estuarine and river systems in the south west ongoing commitment to adopting sustainable development region and generally not the result of fishing related principles, during the past decade the scope of the activities. Moreover, given the comprehensive systems of information that has been reported has been increasing to also management that are in place, fishing in WA generally does cover the status of other aquatic resources relevant to the Fish not present an unacceptable risk to most of the marine, Resources Management Act (FRMA)1. The level of estuarine and freshwater ecosystems underpinning them. The reporting on these broader aspects has reached the point overwhelming majority of Western Australian fisheries have where it is now more appropriate that the name of this and also been assessed as posing only negligible or minor risks to future editions has been changed to State of Fisheries and bycatch species, protected species, habitats or the broader Aquatic Resources to more accurately reflect this expanded ecosystem. The small number of fisheries which have scope. generated risks to these non-‘capture species’ such that direct The State of the Fisheries and Aquatic Resources Report management has been required, continue to meet their annual essentially summarises the outcomes of Departmental performance targets. activities undertaken during 2009/10 and preceding years. It The report also documents that the majority of Western documents recent changes to management or policy settings, Australia’s significant fisheries stocks continue to be in a compliance and education operations, the assessment and healthy condition. For the managed fisheries, 93% had monitoring of stock levels and ecosystem condition. This catches that are considered to be appropriate based on the document should, therefore, provide a valuable reference status of the stocks involved and the current environmental point for the current status of Western Australian aquatic conditions. Moreover, approximately 90% of fisheries are resources including those of major importance to the targeting stocks where the abundance is considered to be commercial and recreational fishing sectors, the aquaculture above the level where additional management is required. industry, the tourism industry, and for those in the For the few fisheries not yet at acceptable levels, additional community interested in the health of the aquatic management measures are in place or proposed.