Judul: Biologi Reproduksi Ikan Kuniran (Upeneus sulphureus Cuvier, 1829) di Perairan Selat Sunda.
Abstrak: Ikan kuniran (Upeneus sulphureus) merupakan salah satu ikan demersal yang memiliki nilai ekonomis penting. Tingginya tingkat permintaan mengakibatkan upaya penangkapan semakin meningkat dan dikhawatirkan populasi ikan kuniran di perairan Selat Sunda menurun. Tujuan penelitian ini adalah mengkaji reproduksi ikan kuniran di perairan Selat Sunda, sebagai salah satu dasar untuk merumuskan pengelolaan sumberdaya ikan kuniran yang lebih tepat dan berkelanjutan. Penelitian ini dilaksanakan pada bulan Mei hingga September 2016. Metode yang digunakan dalam pengambilan ikan contoh adalah penarikan contoh acak sederhana. Nisbah kelamin ikan kuniran jantan dan betina adalah sebesar 1:0,8 atau didominasi ikan jantan. Potensi reproduksi ikan kuniran kisaran 9 000-160 000 butir telur untuk setiap individu betina. Musim pemijahan ikan kuniran diduga terjadi selama periode pengamatan dengan puncak pemijahan terjadi pada bulan Juni. Tipe pemijahan ikan kuniran adalah total spawner. Ikan kuniran diduga pertama kali matang gonad pada ukuran panjang 15,74 cm untuk jantan dan 20,60 cm untuk betina.
Keyword: ikan kuniran (Upeneus sulphureus), reproduksi, Selat Sunda

Judul: Biologi Reproduksi Ikan Kuniran Upeneus Moluccensis (Bleeker, 1855) Di Perairan Selat Sunda.
Abstrak: Ikan kuniran (Upeneus moluccensis) adalah ikan demersal yang menjadi salah satu spesies target dalam kegiatan perikanan tangkap dan merupakan termasuk dalam kelompok yang mempunyai nilai ekonomi. Tujuan dari penelitian ini adalah mengkaji aspek reproduksi ikan kuniran di perairan Selat Sunda yang didaratkan di PPP Labuan, Banten guna menentukan tahapan pengelolaan sumberdaya ikan kuniran yang lebih tepat dan berkelanjutan. Penelitian dilakukan pada bulan April-Agustus 2015. Analisis pola pertumbuhan dilakukan terhadap hubungan panjang berat, dan analisis aspek reproduksi dilakukan terhadap faktor kondisi, rasio kelamin, ukuran pertama kali matang gonad, tingkat kematangan gonad, indeks kematangan gonad, fekunditas, dan diameter telur. Jumlah contoh ikan yang dianalisis adalah 811 ekor. Hasil penelitian menunjukkan bahwa proporsi ikan kuniran jantan dan betina tidak seimbang. Nilai faktor kondisi ikan kuniran berkisar antara 1,0116-1,0268. Musim pemijahan ikan kuniran di perairan Selat Sunda diduga terjadi pada bulan April-Agustus. Potensi reproduksi ikan kuniran di perairan Selat Sunda sebesar 1000–60000 butir telur. Diameter telur ikan kuniran TKG 3 berkisar antara antara 0,025-0,85 mm dan diameter telur ikan kuniran TKG 4 berkisar 0,10-0,85 mm dengan pola pemijahan secara total (total spawner).
Keyword: ikan kuniran (Upeneus moluccensis), reproduksi

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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