Stimulating investment in pearl farming in ... - World Fish Center

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Suitability of Habitats for Growth of Black-Lip and Silver-Lip Pearl Oysters Final, June 2008minimal growth of juveniles in winter suggests also that pearl farmers should not transferspat from hatcheries when temperatures at grow-out locations drop below 25°C (Yukihira etal. 2006) No information was found about the effects of reduced salinities on the largeroysters used by some sectors of the Australian silver pearl industry. The use of largeoysters, however, probably avoids the potential problem of minimal growth in winter.Information about the environmental conditions prevailing at silver-lip pearl oyster farms isscarce. The experimental studies on the growth, survival and condition of silver-lip pearloysters undertaken in two environments in the Great Barrier Reef lagoon differing in termsof SPM and POM concentrations indicate that the growth rate and final condition of oysterscultured in the mainland bay was not significantly different from that at the offshorelocation (Yukihira et al. 2006). This implies that silver-lip pearl oysters are physiologicallyadapted to a wide range of food concentrations and that they could potentially be culturedin a variety of habitats, including areas of the Solomon Islands that are subject to highrainfall and inputs of terrigenous sediments.6.3 Overall ConclusionsAlthough black-lip and silver-lip pearl oyster farming are lucrative industries, there is asurprising lack of basic information on the influence of environmental factors on theirbiology and ecology and on environmental conditions at existing farms and their influenceon culture practices. Information on coral reef habitats within some of the specified regionsof the Pacific Ocean is also lacking. This lack of information hinders assessments about thesuitability of available habitats for growing pearl oysters in the Solomon Islands relative tothose in the other Pacific regions. Despite this, it is clear from the literature sourced that,from an environmental perspective, there is potential for farming of both black-lip andsilver-lip pearl oysters to take place in the Solomon Islands. The turbid waters adjacent tothe leeward side of the mountainous islands are likely to be more favourable for farmingsilver-lip than black-lip pearl oysters.The Ecology Lab Pty Ltd – Marine and Freshwater Studies Page 27
Suitability of Habitats for Growth of Black-Lip and Silver-Lip Pearl Oysters Final, June 20088.0 ACKNOWLEDGEMENTSThis report was written by Dr Theresa Dye and reviewed by Dr Marcus Lincoln Smith.The Ecology Lab Pty Ltd – Marine and Freshwater Studies Page 28
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Stimulating investment in pearlfarm
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Appendix IAppendix IIAppendix IIIAp
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various project elements to describ
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PNGSolomon IsPNGCook IsVanuatuFijiF
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Figure 2. Typical coastal habitat f
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to work alongside WorldFish science
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least two weeks before the main sur
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duration of the dive, maximum botto
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3.7 Natural disastersEnvironmental
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• Legislative review is underway
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− Manning Strait islands− Suava
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incentive treatment that fits the l
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continuing to enter the market. Thi
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Provisions for further aquaculture
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• licences will relate to a parti
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species in Australia are 5 - 10 tim
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6.3 Investor’s recommendations fo
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Report on an EU project grant to th
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Summary• Historically, the blackl
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1. IntroductionBlacklip pearl oyste
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3. Nationwide surveysIn May-June 20
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10 spat collectors were attached at
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On a local scale, it was found that
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3025Normalised catch201510500 2 4 6
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30Spat collector -125201510a. NoroL
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Water Temperature and Cyclone Frequ
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Report to:WorldFish CenterAbundance
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Abundance, Size Structure and Quali
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Report on an EU project grant to th
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1. Governance and political stabili
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Despite its present weaknesses, eff
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payments, but the authorities have
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to recede and presumably vanish und
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outcome is far from certain. There
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existing links, at locations within
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6. Forms of co-investment6.1 Partne
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8. Taxation and incentives8.1 Direc
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10. Labour laws10.1 Foreign workers
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GILLETT, PRESTON AND ASSOCIATES INC
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Page 21. EXECUTIVE SUMMARYPearl far
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Page 42. BACKGROUNDPast research su
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Page 6million; in 2002, it exported
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Page 8the bead in an even, uniform
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Page 10alternative products. Most m
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Page 12fisheries-related activities
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Page 144.3. PolicyThe current gover
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5.2. Stocking densityPage 16Mature
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Page 18or harmful fouling organisms
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Page 20In addition to licensing und
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Page 22Much of this work will have
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Page 24provide them with technical
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Page 26management, disease control,
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Page 28Ministry of Development Plan
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Page 30‘seeding’ means the impl
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Page 326. Provision of statistical
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Page 3414. Aggrieved person may app
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Page 36Division V. Importation, mov
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Page 38(2) Separate fees are payabl
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Page 40Other forms of government su
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Page 42Solomon IslandsPEARL FARMING
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