Aquaculture Plan for the Houtman Abrolhos Islands
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Research Library Fisheries management papers Fisheries Research 4-2000 Aquaculture plan for the Houtman Abrolhos Islands Fisheries Western Australia Follow this and additional works at: https://researchlibrary.agric.wa.gov.au/fr_fmp Part of the Aquaculture and Fisheries Commons, Business Administration, Management, and Operations Commons, and the Natural Resources and Conservation Commons Recommended Citation Fisheries Western Australia. (2000), Aquaculture plan for the Houtman Abrolhos Islands. Fisheries Western Australia, Perth. Report No. 137. This report is brought to you for free and open access by the Fisheries Research at Research Library. It has been accepted for inclusion in Fisheries management papers by an authorized administrator of Research Library. For more information, please contact [email protected]. AQUACULTURE PLAN FOR THE HOUTMAN ABROLHOS ISLANDS Fisheries Management Paper No. 137 APRIL 2000 Aquaculture Plan for the Houtman Abrolhos Islands Final version: April 2000 Fisheries Management Paper No. 137 ISSN 0819-4327 Cover picture: Aerial photo of Basile, Burnett, Coronation and Post Office Islands, Pelsaert (Southern) Group, Houtman Abrolhos by Bill Bachman. Copyright Fisheries WA/All Rights Reserved. This photograph may only be used for purposes expressly authorised by Fisheries WA. For any other usage, contact Bill Bachman on (03) 9882 2461. Inset picture: Panel of blacklip pearl oyster (Pinctada margaritifera) FISHERIES WESTERN AUSTRALIA 3rd floor, SGIO Atrium 168 St George’s Tce, Perth WA 6000 Contents Contents Executive Summary.............................................................................................1 Summary of Recommendations ..........................................................................5 Section 1 Introduction......................................................................................9 1.1 Significant Features of the Abrolhos Islands..................................................................9 1.2 Purpose of the Plan.......................................................................................................10 1.3 Area Covered by the Plan.............................................................................................10 1.4 Approach and Method ..................................................................................................10 Section 2 Physical, Biological & Social Features of the Abrolhos Islands ...13 2.1 Physical Features..........................................................................................................13 2.1.1 Geology and Geomorphology .............................................................................13 2.1.2 Climate.................................................................................................................13 2.1.3 Oceanography......................................................................................................14 2.2 Biological Environment................................................................................................17 2.2.1 Terrestrial Environment .......................................................................................17 2.2.2 Marine Environment............................................................................................18 2.3 Social Features..............................................................................................................20 2.3.1 Historic Shipwrecks.............................................................................................20 2.3.2 Guano Mining......................................................................................................21 2.3.3 Other Historic Sites .............................................................................................21 2.4 Conservation Importance of the Abrolhos Islands .......................................................21 Section 3 Other Human Uses of the Abrolhos Islands ..................................23 3.1 Fishing ..........................................................................................................................23 3.1.1 Rock lobster.........................................................................................................23 3.1.2 Scallops................................................................................................................23 3.1.3 Finfish ..................................................................................................................24 3.2 Aquaculture...................................................................................................................24 3.3 Tourism .........................................................................................................................24 i Contents Section 4 Constraints on Aquaculture Operations in the Abrolhos Islands.........27 4.1 Terrestrial Environment ................................................................................................27 4.2 Marine Environment .....................................................................................................27 4.2.1 Corals...................................................................................................................27 4.2.2 Seagrasses............................................................................................................27 4.2.3 Non-endemic species...........................................................................................28 4.3 Water.............................................................................................................................28 4.4 Weather .........................................................................................................................29 4.5 Sanitary Waste Disposal...............................................................................................29 4.6 Infrastructure.................................................................................................................29 4.7 Existing Uses................................................................................................................29 Section 5 Management Structure .....................................................................31 5.1 Fisheries Western Australia..........................................................................................31 5.2 Abrolhos Islands Management Advisory Committee ..................................................31 5.3 Abrolhos Islands Land Management Sub-committee ..................................................32 5.4 Other Agencies and Relevant Acts ...............................................................................33 5.5 Register of the National Estate.....................................................................................34 5.6 Management of the Houtman Abrolhos System ..........................................................34 5.7 Reef Observation Areas................................................................................................35 Section 6 The Aquaculture Plan.....................................................................37 6.1 Objective of the Aquaculture Plan................................................................................37 6.2 Underlying Assumptions..............................................................................................37 6.2.1 Management of the Houtman Abrolhos Systems................................................37 6.2.2 Abrolhos Island Regulations................................................................................38 6.3 Species Suitable for Aquaculture in the Abrolhos Islands ...........................................40 6.3.1 Species Selection Criteria....................................................................................40 6.3.2 Potential Aquaculture Species in Western Australia ...........................................40 6.3.3 Land and Freshwater Species ..............................................................................40 6.3.4 High Value Species..............................................................................................40 6.3.5 Endemic Species..................................................................................................40 6.3.6 Species with Aquaculture Potential in the Abrolhos Islands...............................41 6.3.7 Translocation........................................................................................................42 6.3.8 Characteristics of Individual Species ..................................................................44 6.4 Types of Aquaculture for the Abrolhos Islands............................................................46 6.4.1 Aquaculture..........................................................................................................46 6.4.2 Aquaculture-related Activities .............................................................................47 ii Contents 6.5 Environmental Management of Aquaculture................................................................48 6.5.1 Environmental Impacts of Aquaculture...............................................................48 6.5.2 Regulatory Mechanisms ......................................................................................49 6.5.3 Distance Between Lease/Licences Sites..............................................................51 6.6 Areas Where Aquaculture Can Occur ..........................................................................52