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• W2615759968 abstract "Indonesia has great potential for aquaculture development but its expansion still faces many constraints. Development is often insufficiently focused on environmentally sustainable practice with respect to coastal environment degradation, overlapping and conflicting utilization, and laws regarding marine and coastal management. For this reason, there is a need to improve aquaculture technology and management systems regarding an ecosystem approach to aquaculture (EAA).Eco-friendly production processes and food safety concerns in the sustainability of Indonesian aquaculture need to be addressed. The aim of this dissertation is to demonstrate the application of the SYSMAR Decision Support System (DSS) for sustainable management of floating net cage finfish cultures which provides a detailed and comprehensive overview in three selected regions in Indonesia: Talise Island (TI), Galang Island (GI), and Ekas Bay (EB).This DSS utilizes high resolution hydrodynamic information concerning water depth, current velocities and wave heights obtained from hydrodynamic models, water quality information, and Integrated Coastal Zone Management (ICZM) in the surrounding area. Through GIS spatial planning tools, SYSMAR DSS is used to perform site selection for floating net cage finfish cultures, and assesses the dispersive character of each site to provide estimates of different sustainable carrying capacities with respect to the deposition of particulate carbon and the accumulation of dissolved nitrogen in the water column of a suitable area. Economic analysis provides vital information on 18 cases, focusing on the economic viability of Tiger Grouper (Epinephelus fuscoguttatus), Humpback Grouper (Cromoliptes altivelis), and Leopard Coral Grouper (Plectropomeus leopardus), the most common high value finfish species nurtured in Indonesia in floating net cage cultures. FNC farming utilizes various feed types and production scales, the prototype farms consisting of 10 cages and 600 cages at Galang Island with a cage size of 3 x 3 x 3 m.SYSMAR DSS shows that only Galang Island provides a potential area for FNC finfish culture development with a suited area of about 12,940 ha. The estimated maximum production carrying capacity is 51 – 366 tons/farm. Estimated ecological carrying capacity for Galang Island is in the range 18,393 – 21,727 tons/year/suitable area. The economic evaluation highlighted that all of the FNC finfish culture developments are economically viable. After a 5-year projection period, positive cumulative cash flow and net present value (NPV) are generated, internal rates of return (IRR) are higher than bank discount rates, and payback periods (PP) are less than 1 year. These results confirm the SYSMAR DSS is able to determine potential sites for FNC grouper culture projects in three selected Indonesian coastal areas which comply with environmental, sustainability and socio-economic criteria." @default.
• W2615759968 created "2017-05-26" @default.
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• W2615759968 date "2014-11-20" @default.
• W2615759968 modified "2023-09-28" @default.
• W2615759968 title "Improvement and Application of a Decision Support System for Sustainable Floating Net Cage Finfish Cultures Development in Indonesia" @default.
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