Abstract
Oyster aquaculture is one of priorities for development and promotion of aquaculture activities in Buleleng Regency and since 2010 the production always increase and supports coastal communities. The selection of aquaculture structure system and farm site are importance. The selection should be based on an appraisal of the life history, habits, environmental parameters and socio-infrastructure. This study focused on obtaining the aquaculture structure system and site selection for Pearl Oyster (Pinctada maxima) in Buleleng Regency with seven attributes Chl-a, SST, bathymetry, and currents, distance to town, distance to pier, and distance to laboratory. The model structure for identifying culture structure and suitable sites for oyster aquaculture in coastal of Buleleng Regency was built on MCE (Multi Criteria Evaluation), the final result for suitable site outputs were compared with pearl production in Buleleng Regency in 2009, 2010, and 2011. The result of this study is that most areas at Buleleng coastal had medium suitability scores.
Highlights
One of the Indonesian aquaculture business is increasing in pearl oyster farming of species Pinctada maxima
The use of spatial planning tools such as Geographic information systems (GIS) and remote sensing for aquaculture can greatly help in the identification, analysis and possible allocation of specific geographical areas to be used aquaculture, in those countries that have limited natural resources that are in high demand by competing users (FAO, 2013)
Different weight were applied for two sub model to investigate how changing the weight of various factors affected the determination of the preferred area
Summary
One of the Indonesian aquaculture business is increasing in pearl oyster farming of species Pinctada maxima. It is estimated that around 124,810 hectares of Indonesian equatorial seas provide suitable habitats for Pinctada maxima, the oysters producing the majestic pearls (Ministry of Trade of The Republic of Indonesia, 2010). Bali is an island and province of Indonesia that is known as part of the coral triangle, the area with the highest biodiversity of marine species, in this Bali Province, pearl farms are located within the coastal of Buleleng Regency. Oyster culture in Buleleng Regency is be one a potential investment opportunity, in 2010, the number of oyster culture produce is 42.5 tons. The objectives of this study are to identifying types of aquaculture structures system for pearl oyster (Pinctada maxima), to obtain Multi Criteria Evaluation (MCE) models by The use of spatial planning tools such as Geographic information systems (GIS) and remote sensing for aquaculture can greatly help in the identification, analysis and possible allocation of specific geographical areas to be used aquaculture, in those countries that have limited natural resources that are in high demand by competing users (FAO, 2013).
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