Abstract
Pelagic fish was the main raw material for fish processing industry. Rate of fishing that not equivalent with the growth of fish resources, eventually will decrease the catch of fishermen. Aims of the research were (1) to estimate the bioeconomic of pelagic fish resources on MSY (Maximum Sustainable Yield), MEY (Maximum Economic Yield) and OA (open Access) conditions; (2) to estimate the optimum utilization rate, (3) arrange the management model of sustainability pelagic fish resources in Pati regency. This research was descriptive quantitative and conducted in March until September 2017. Reseacrh location in Bajomulyo village and Bendar village Juwana Subdistrict with 35 samples. Data analysis : (1) gear standardization, (2) bioeconomic static optimation model approach, (3) bioeconomic dinamic optimation model approach, (4) reconstruction of in-depth interview results. Result of the research are (1) bioeconomic static optimation model approach namely, biomass MEY>MSY>OA, catch MSY>MEY>OA, effort OA>MSY>MEY, profit MEY>MSY>OA; (2) bioeconomic dinamic optimation model approach namely, biomass MEY>MSY>OSY>OA, catch MSY>MEY>OSY>OA, effort OA>MSY>OSY>MEY, profit MEY>>OSY>MSY>OA; (3) pelagic fish management model are input controlling, output controlling and technical provisions.
Highlights
Pati regency is one of the areas in Central Java Province that supports the marine fisheries production in Central Java
Especially small pelagic fish is the main raw material for the industry of boiled fish, curing, salting, fish meal. This was in accordance with the results of the research by Damayanti (2014) mentioned that the common types processed by way of boiled fish is a kind of pelagic fish such as Decapterus russelli, Selaroides leptolepis, Dussumieria acuta, Sardinella gibbosa, Sardinella longiceps and others
The same was stated by Sutanto (2015) mentioned that the types of fish used as raw materials of salted fish such as Decapterus russelli, Sardinella longiceps and others
Summary
Pati regency is one of the areas in Central Java Province that supports the marine fisheries production in Central Java. Data from the Fisheries Research Center of 2014 mentioned that for FMAs Indonesia Republic 712 Java Sea, the utilization rate of small pelagic fish resources in the Java Sea was on the red indicator, which means it was closed for the addition of new efforts. The results of the research showed that (a) there are seven species of small pelagic fish found throughout the year in Banten Bay; (b) the potential of anchovy resources was large, but the utilization rate already exceeded the allowable catch of 81.79% and (c) species of Rastrelliger spp, biologically has a smaller potential than anchovy but economically more profitable at 4.8 billion rupiahs. In order to be able to carry out sustainable management, the research objectives are (1) to estimate the bioeconomic of pelagic fish resources in various management conditions, namely Maximum Sustainable Yield (MSY), Maximum Economic Yield (MEY), and Open Access (AO) ; (2) to estimate the optimal utilization rate of pelagic fish resources in Pati Regency, and (3) to arrange the sustainable pelagic fish resource management model in Pati regency
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