Table 6. Causes <str<strong>on</strong>g>of</str<strong>on</strong>g> anthropogenic loss <str<strong>on</strong>g>of</str<strong>on</strong>g> seagrass in SE Asia.Cause <str<strong>on</strong>g>of</str<strong>on</strong>g> anthropogenic loss <str<strong>on</strong>g>of</str<strong>on</strong>g> seagrassCountries where this is <str<strong>on</strong>g>of</str<strong>on</strong>g> c<strong>on</strong>cernCoastal developmentAgricultural l<strong>and</strong> useFishing in seagrass areasInd<strong>on</strong>esia, Japan, Malaysia, Philippines,Thail<strong>and</strong>, VietnamInd<strong>on</strong>esia, Japan, Malaysia, Philippines,Thail<strong>and</strong>, VietnamCambodia, Ind<strong>on</strong>esia, Malaysia, Philippines,Thail<strong>and</strong>, Vietnamhundred dug<strong>on</strong>gs per year. Dug<strong>on</strong>gs are alsokilled opportunistically for meat, oil <strong>and</strong> o<str<strong>on</strong>g>the</str<strong>on</strong>g>rproducts such as tusks <strong>and</strong> tears in Cambodia,Ind<strong>on</strong>esia, Malaysia, Philippines, <strong>and</strong> Vietnam.3.6 By-catchesMarsh et al. (2002) indicated that dug<strong>on</strong>gs arecaught incidentally in fishing gear throughout <str<strong>on</strong>g>the</str<strong>on</strong>g>irrange. Participants in <str<strong>on</strong>g>the</str<strong>on</strong>g> workshop indicated thatdug<strong>on</strong>gs are caught as by-catch in all countries <str<strong>on</strong>g>of</str<strong>on</strong>g>SE Asia with various gear types as summarizedin Table 7. Gill nets are <str<strong>on</strong>g>the</str<strong>on</strong>g> most ubiquitous <strong>and</strong>serious source <str<strong>on</strong>g>of</str<strong>on</strong>g> dug<strong>on</strong>g mortality, catchingdug<strong>on</strong>gs as by-catch in all countries. Dug<strong>on</strong>gscaught as by-catch are unlikely to be releasedalive in <str<strong>on</strong>g>the</str<strong>on</strong>g> following countries because <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g>high value <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g>ir body parts, especially tusks:Cambodia, Ind<strong>on</strong>esia, Malaysia (some areas),Philippines (most areas), Thail<strong>and</strong> (some areas),<strong>and</strong> Vietnam. For example, a pair <str<strong>on</strong>g>of</str<strong>on</strong>g> dug<strong>on</strong>gtusks is worth almost half <str<strong>on</strong>g>the</str<strong>on</strong>g> annual income<str<strong>on</strong>g>of</str<strong>on</strong>g> a Thai artisanal fisher. <strong>The</strong> high value <str<strong>on</strong>g>of</str<strong>on</strong>g>dug<strong>on</strong>g products reduces <str<strong>on</strong>g>the</str<strong>on</strong>g> range <str<strong>on</strong>g>of</str<strong>on</strong>g> mitigatingfactors appropriate to solving <str<strong>on</strong>g>the</str<strong>on</strong>g> dug<strong>on</strong>g bycatchproblem in SE Asia.3.7 Regi<strong>on</strong>al Priorities forC<strong>on</strong>servati<strong>on</strong> Acti<strong>on</strong> <strong>and</strong>Associated ResearchNati<strong>on</strong>al research priorities <strong>and</strong> c<strong>on</strong>servati<strong>on</strong>initiatives are detailed in Marsh et al.(2002). <str<strong>on</strong>g>Workshop</str<strong>on</strong>g> participants identifieda number <str<strong>on</strong>g>of</str<strong>on</strong>g> c<strong>on</strong>servati<strong>on</strong> objectives <strong>and</strong> <str<strong>on</strong>g>the</str<strong>on</strong>g>research <strong>and</strong> o<str<strong>on</strong>g>the</str<strong>on</strong>g>r acti<strong>on</strong>s required to address<str<strong>on</strong>g>the</str<strong>on</strong>g>se objectives as <str<strong>on</strong>g>the</str<strong>on</strong>g>ir highest priorities for <str<strong>on</strong>g>the</str<strong>on</strong>g>regi<strong>on</strong> (Table 8).Table 7. Details <str<strong>on</strong>g>of</str<strong>on</strong>g> fishing practices that catch dug<strong>on</strong>gs as by-catch invarious SE Asian countries.GearCountries where dug<strong>on</strong>gs are caught as by-catchgill <strong>and</strong> meshnetsdynamite fishingghost fishingcyanidebamboo fish trap (kel<strong>on</strong>g)trapnetfish corralpushnettrawlAustralia, Cambodia, Ind<strong>on</strong>esia, Japan, Malaysia, Philippines, Thail<strong>and</strong>, VietnamChina, Ind<strong>on</strong>esia, Cambodia?, Malaysia, Philippines, VietnamMalaysia, Australia?, Cambodia, Ind<strong>on</strong>esia, PhilippinesInd<strong>on</strong>esiaInd<strong>on</strong>esia, Malaysia, Thail<strong>and</strong>JapanPhilippinesThail<strong>and</strong>Malaysia<str<strong>on</strong>g>Sec<strong>on</strong>d</str<strong>on</strong>g> <str<strong>on</strong>g>Workshop</str<strong>on</strong>g> <strong>on</strong> <str<strong>on</strong>g>the</str<strong>on</strong>g> <strong>Biology</strong> <strong>and</strong> C<strong>on</strong>servati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> Small Cetaceans <strong>and</strong> Dug<strong>on</strong>gs <str<strong>on</strong>g>of</str<strong>on</strong>g> SE Asia 85
Table 8. C<strong>on</strong>servati<strong>on</strong> objectives identified by workshop participants as <str<strong>on</strong>g>the</str<strong>on</strong>g>irhighest priorities for <str<strong>on</strong>g>the</str<strong>on</strong>g> dug<strong>on</strong>g in SE Asia, <strong>and</strong> <str<strong>on</strong>g>the</str<strong>on</strong>g> research <strong>and</strong>o<str<strong>on</strong>g>the</str<strong>on</strong>g>r acti<strong>on</strong>s required to address <str<strong>on</strong>g>the</str<strong>on</strong>g>se objectives.No priorities were developed for Australia in view <str<strong>on</strong>g>of</str<strong>on</strong>g> its developed country status. However,<str<strong>on</strong>g>the</str<strong>on</strong>g> workshop noted with c<strong>on</strong>cern <str<strong>on</strong>g>the</str<strong>on</strong>g> overall lack <str<strong>on</strong>g>of</str<strong>on</strong>g> research <strong>on</strong> marine mammals in <str<strong>on</strong>g>the</str<strong>on</strong>g>Australian waters <str<strong>on</strong>g>of</str<strong>on</strong>g> SE Asia.ObjectivesGeneralImprove underst<strong>and</strong>ing <str<strong>on</strong>g>of</str<strong>on</strong>g> stock identityStrategiesDevelop cooperative exchange <str<strong>on</strong>g>of</str<strong>on</strong>g> specimens, DNA <strong>and</strong>methodology throughout regi<strong>on</strong>Thail<strong>and</strong>, Cambodia VietnamDevelop <strong>and</strong> implement series <str<strong>on</strong>g>of</str<strong>on</strong>g>reserves to protect dug<strong>on</strong>gs in <str<strong>on</strong>g>the</str<strong>on</strong>g>Gulf <str<strong>on</strong>g>of</str<strong>on</strong>g> Thail<strong>and</strong>, Cambodia <strong>and</strong>Vietnam1. Hold technical workshop to investigate <strong>and</strong> plan logistics <strong>and</strong>develop joint proposal2. Hold discussi<strong>on</strong>s with government in each country3. Modify proposal if required by governments4. Seek funding5. C<strong>on</strong>duct aerial surveys <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> regi<strong>on</strong> to 20m depth c<strong>on</strong>tourto <str<strong>on</strong>g>the</str<strong>on</strong>g> 20m c<strong>on</strong>tour, potentially coordinated by WWFIndochina6. Provide management guidelines to government(s)7. Assist in <str<strong>on</strong>g>the</str<strong>on</strong>g> development <str<strong>on</strong>g>of</str<strong>on</strong>g> educati<strong>on</strong> <strong>and</strong> awareness programsThail<strong>and</strong> <strong>and</strong> MalaysiaUpgrade reserves in Trang to Langkawiareas to ensure dug<strong>on</strong>g <strong>and</strong> seagrassc<strong>on</strong>servati<strong>on</strong>1. Hold bilateral workshop to c<strong>on</strong>siderati<strong>on</strong>s required to upgradereserves2. C<strong>on</strong>duct aerial surveys in Langkawi regi<strong>on</strong> to identify dug<strong>on</strong>gdistributi<strong>on</strong> <strong>and</strong> relative abundance3. Advise authorities <strong>on</strong> requirements to upgrade reserves <strong>and</strong>results <str<strong>on</strong>g>of</str<strong>on</strong>g> surveyChinaUpgrade reserves established fordug<strong>on</strong>gs in Hepu area1. C<strong>on</strong>duct aerial survey in Chinese waters—particularly Hepuwaters to upgrade informati<strong>on</strong> <strong>on</strong> dug<strong>on</strong>g distributi<strong>on</strong> <strong>and</strong>relative abundance in Gulf <str<strong>on</strong>g>of</str<strong>on</strong>g> T<strong>on</strong>kin2. Advise authorities <str<strong>on</strong>g>of</str<strong>on</strong>g> priorities for upgrading reservesPhilippinesEstablish MPAs particularly for dug<strong>on</strong>g1. Identify critical sites e.g. Calauit Isl<strong>and</strong>, Busuanga; Green Isl<strong>and</strong>Bay, Palawan;Malita, Davao del Sur; Sarangani Bay, Sarangani;Sulu Archipelago; Hinatuan Bay, Surigao del Sur)2. Educate <strong>and</strong> involve community in MPA development <strong>and</strong>implementati<strong>on</strong>3. Establish protected areas according to nati<strong>on</strong>ally establishedprotocols86 CMS Technical Series Publicati<strong>on</strong> Nº 9 - 2005
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CMS Technical Series Publication N
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Published by the U
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TABLE OF CONTENTSpage1. Preliminari
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AppendicesAppendix 1 - List <strong
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The cetacean species reviewed inclu
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Table 1. Major commercial Commonwea
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(2) State Legislation.In state wate
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(2) Identification of</stro
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Coastal speciesThe most frequently
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Coastal speciesThere are currently
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and Guangxi Provinces (Yang et al.
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Table 3. Records of</strong
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Workshop participa
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ioaccumulation have not yet been ex
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