Judul: Analisis Teknis dan Ekonomi Perikanan Pancing Layang- Layang di Perairan Banten.
Abstrak: This study aimed to analyze the technical performance of kite fishing units and calculate its productivity and financial analysis of the its operation in the Banten waters. This research was conducted using a case study method and data were collected using purposive sampling method. Technical and financial analysis were used. In this research kite fishing units were divided into two groups, namely the kite fishing units with outboard engine and without engine. Kite fishing units consisted of rollers, rods, lines, kites and baits. There was a kolong-kolong which was functioned to catch fish by using another fish named renyok as baits. Profit from kite fishing units with outboard engine was Rp 24.764.500,00 per year, it was higher than the ones without outboard engine which was Rp 6.982.388,89 per year. Kite fishing units were feasible to be developed, as the value of R/C ratio was 2,54 and 1,70; moreover its pay back period was 2 - 3 months
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Judul: Penilaian Unit Penangkapan Pancing Rumpon di Palabuhanratu, Kabupaten Sukabumi, Jawa Barat
Abstrak: Tuna total production with rod fishing increase 0.73% in 2011, and total of rod fishing unit increase 1.55% in the same time. Technical and economical analysis must be done for we know how the feasibility of rod fishing unit’s business. The objective of the research is to describe the rod fishing unit, to calculate the benefit, and the investment of rod fishing unit’s business in Palabuhanratu waters. The research is case study of rod fishing unit’s business. Data analysis used description, technical and financial analysis. There are four types of rod fishing, those are troll fishing, pancing jerigen, pancing layanglayang and hand line. The rod fishing is not difficult in operation. Business of the rod fishing unit can give a profit Rp 67,245,500.00 and payback period is 4.2 years. The value of NPV is more than 0 (zero), Net B/C is more than 1 and IRR is more than value of interest rate. The business of rod fishing unit is not sensitive to the fuel’s price increasing. The decision makers can help the fishermen to improve their capital from finance institution, and do the detail technical analysis about rod fishing unit operation and its influence to stock equilibrium
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Judul: Karakteristik Carboxymethyl Chitosan Dengan Variasi Konsentrasi NaOH
Abstrak: Carboxymethyl chitosan is chitosan derivative product obtained from chemical modification. CMCh were made by alkalization process and carboxymethylation process. Factors that affect CMCh characteristics were excess sodium hydroxide in alkalization process, ratio between chitosan and monochloroacetic acid, and carboxymethylation temperature. The objectives of this research were to study the NaOH effect to CMCh characteristics, to learn process of making CMCh, to set the proper concentration of NaOH, and to analyze CMCh characteristics. CMCh yields were 110.72%-114.22%. CMCh pH value were 3.74-4.31. The optimum NaOH concentration to obtain the best CHCh was 10 M. Percentage of CMCh moisture content was 10.70%-11.42%. Ash content and nitrogen content of CMCh were 0.49%-0.50% and 4.52%-4.81%. CMCh viscousity was 8.25 cps. Percentage of CMCh solubility was 61.61%-91.50%. The different functional groups from chitosan which observed in CMCh were C=O group, CH group from alkene functional group, C−O group, and C−O−C group.
Keyword: solubility., functional group, CMCh characteristics, chitosan, carboxymethyl chitosan