Judul: Analisis kebijakan penanggulangan IUU-Fishing dalam pengelolaan perikanan tangkap Indonesia
Abstrak: Pencurian ikan mengancam pengelolaan sumberdaya ikan di seluruh dunia termasuk Indonesia. Pada tahun 2001, FAO mengadopsi suatu panduan yang disebut Rencana Aksi Internasional (RAI) penanggulangan IUU-Fishin. Sebagai Negara anggota FAO yang memiliki sumberdaya ikan cukup besar maka Indonesia selayaknya mengadopsi panduan tersebut, namun sampai saat ini hal tersebut belum dilaksanakan.
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Judul: Strategi Kebijakan Penanggulangan Illegal, Unreported, dan Unregulated (IUU) Fishing di Laut Arafura
Abstrak: One of the main problems in developing marine and fishery sector in Indonesia in the great number of irresponsible fishing practices, internationally knouwn as illegal, unreported and unregulated (IUU) fishing. IUU-Fishing is a serious threat to the responsible management of fish resources and an obstacle to the development of continued cact fishery. In this, there are 335 prawn trawlers above 30 GT as licensed by Marine and Fishery Departement in operation in Arafura Sea. Others prawn also has took the same activity but does not with licensed. Thre result of identifying fishing violations in Arafura Sea ia as follows : many fishing ships were not equipped with a fishing license, many ship did not obey the articles in the license, many ships were not eqipped with veseels monitoring sistem (VMS), and there were pair trawl. Unreported fishing happened because many fishers unload and sold the is cacth at sea (transhipment). Policy strategy in over coming IUU-Fishing by the Papua Province goverment which is formulated using SWOT analysis is to increase the role of government investigating officers from Marine and Fishery Departement through the establishment of fishery yudicial institution, to provide a surveillance ship, to build a supporting fishery port, to increase fund allocation to the supervisory activity, to improve coordination to control crimes at sea, and recruit more fishery personnel.
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Judul: Enhancement of photon absorbtion on BaxSr1-xTiO3 thin films semiconductor using photonic crystals.
Abstrak: In this research, has been conducted BaxSr1-xTiO3 (BST) thin films manufacturing for mole fraction x = 0.25, 0.35, 0.45, and 0.55; and concentration of 1 molar using chemical solution depositon (CSD) method. The materials, which are used in this research, are barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%], titanium isopropoxide [Ti(C12O4H28), 97.999%], gallium trioxide [Ga2O3], 2-methoxyethanol [H3COOCH2CH2OH, 99%] and 1 x 1 cm of transparent conductive oxide (TCO) glass as substrate. Two BST thin films are made that for BST thin films which are doped by 10% galium (BGST) as p-type layer and pure BST solution as n-type. BST solution is made by reacting barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%] and titanium isopropoxide [Ti(C12O4H28)] into 2-methoxyethanol solvent [H3COOCH2CH2OH, 99%] in accordance with mass gram for each x value. While, BGST solution is made in the same way as BST solution, plus adding gallium at 10% of the mass of BST. Once all materials are reacted, then vibrated using ultrasonic for 90 minutes, and followed by coating BGST / BST on the TCO substrate. Once the layer is formed, then annealed for 15 hours at temperature of 500 °C with increasing rate of 1.67 oC/minute. Characterizations of BST thin films with or without photonic crystals include the absorbance and transmittance in the visible light spectrum, as well as the electrical photoconductivity characterizations. From BST thin films without photonic crystals indicate that our thin films have light absorption area on almost the entire range of the visible light spectrum even to the infrared range with absorption value over than 67.6%, in addition, it can be seen that the maximum absorbance of BST thin films for all mole fractions lie in blue to green light spectrum region, 457 nm ≤ λ ≤ 570 nm and the minimum in yellow to red light spectrum region, 570 nm ≤ λ ≤ 678 nm. The largest absorbance is found at x = 0.25 with average absorbance value of 92.04% and maximum and minimum absorbance peaks at wavelength of 500.89 and 657.72 nm, respectively. At x = 0.35, average absorbance value decreased to 83.55% with maximum and minimum peaks at 505.73 and 613.68 nm, respectively. Then increased to 91.16% at x = 0.45 with maximum and minimum peaks at 506.04 and 618.56 nm, respectively. At x = 0.55, average absorbance value decreased to 80.12% with maximum and minimum peaks at 507.85 and 608.79 nm, respectively. Moreover, it can be seen that the addition of barium mole fraction leads to wider maximum absorbance or minimum transmittance peaks and narrower minimum absorbance or maximum transmittance peaks in the same range of the green and blue & red light spectrums, respectively. BST thin films with photonic crystals show increasing in absorption for all x values in the range of 3.04 into 13.33%. At x = 0.25, average absorbance percentage increased 3.96% from 92.4 into 95.68%, for x = 0.35 average percentage increased 7.07% into 89.45 from 83.55%. Furthermore, average absorbance of BST thin films at x = 0.45 increased 3.04% from 91.16 into 93.93% and x = 0.55 has
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